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Species found: 4395

• Ablepharus anatolicus SCHMIDTLER, 1997
• Ablepharus himalayanus (GÜNTHER, 1864)
• Ablepharus ladacensis (GÜNTHER, 1864)
• Ablepharus mahabharatus (EREMCHENKO, SHAH & PANFILOV, 1998)
• Ablepharus nepalensis (EREMCHENKO & HELFENBERGER, 1998)
• Ablepharus sikimmensis (BLYTH, 1854)
• Ablepharus tragbulensis (ALCOCK, 1898)
• Abronia bogerti TIHEN, 1954
• Abronia fuscolabialis (TIHEN, 1944)
• Abronia gadovii (BOULENGER, 1913)
• Abronia graminea (COPE, 1864)
• Abronia juarezi (KARGES & WRIGHT, 1987)
• Abronia mitchelli CAMPBELL, 1982
• Abronia mixteca BOGERT & PORTER, 1967
• Abronia oaxacae (GÜNTHER, 1885)
• Abronia ornelasi CAMPBELL, 1984
• Abronia smithi CAMPBELL & FROST, 1993
• Abronia viridiflava (BOCOURT, 1873)
• Acanthochelys macrocephala (RHODIN, MITTERMEIER & MCMORRIS, 1984)
• Acanthochelys pallidipectoris (FREIBERG, 1945)
• Acanthochelys radiolata (MIKAN, 1820)
• Acanthochelys spixii (DUMÉRIL & BIBRON, 1835)
• Acanthophis antarcticus (SHAW, 1802)
• Acanthophis hawkei WELLS & WELLINGTON, 1985
• Acanthophis praelongus RAMSAY, 1877
• Acanthophis pyrrhus BOULENGER, 1898
• Acanthophis rugosus LOVERIDGE, 1948
• Acanthophis wellsi HOSER, 1998
• Acanthosaura capra GÜNTHER, 1861
• Achalinus ater BOURRET, 1937
• Achalinus formosanus BOULENGER, 1908
• Achalinus hainanus HUANG, 1975
• Achalinus jinggangensis (ZONG & MA, 1983)
• Achalinus meiguensis HU & ZHAO, 1966
• Achalinus rufescens BOULENGER, 1888
• Achalinus spinalis PETERS, 1869
• Achalinus werneri VAN DENBURGH, 1912
• Acontias lineicauda HEWITT, 1937
• Acontias orientalis HEWITT, 1937
• Acontias plumbeus BIANCONI, 1849
• Acontias rieppeli (LAMB, BISWAS & BAUER, 2010)
• Acontias subtaeniatus (BROADLEY, 1968)
• Acrantophis dumerili JAN, 1860
• Acrantophis madagascariensis (DUMÉRIL & BIBRON, 1844)
• Acritoscincus duperreyi (GRAY, 1838)
• Acrochordus arafurae MCDOWELL, 1979
• Acrochordus granulatus (SCHNEIDER, 1799)
• Acrochordus javanicus HORNSTEDT, 1787
• Actinemys marmorata (BAIRD & GIRARD, 1852)
• Actinemys pallida (SEELIGER, 1945)
• Acutotyphlops banaorum WALLACH, BROWN, DIESMOS & GEE, 2007
• Acutotyphlops infralabialis (WAITE, 1918)
• Acutotyphlops kunuaensis WALLACH, 1995
• Acutotyphlops solomonis (PARKER, 1939)
• Adelphicos daryi CAMPBELL & FORD, 1982
• Adelphicos ibarrorum CAMPBELL & BRODIE, 1988
• Adelphicos latifasciatum LYNCH & SMITH, 1966
• Adelphicos nigrilatum SMITH, 1942
• Adelphicos quadrivirgatum JAN, 1862
• Adelphicos veraepacis STUART, 1941
• Adelphicos visoninum (COPE, 1866)
• Adelphostigma occipitalis (JAN, 1863)
• Adelphostigma quadriocellata (SANTOS, DI-BERNARDO & DE LEMA, 2008)
• Adolfus jacksoni (BOULENGER, 1899)
• Aeluroglena cucullata BOULENGER, 1898
• Afroedura loveridgei BROADLEY, 1963
• Afroedura transvaalica (HEWITT, 1925)
• Afrogecko porphyreus (DAUDIN, 1802)
• Afronatrix anoscopus (COPE, 1861)
• Afrotyphlops angolensis (BOCAGE, 1866)
• Afrotyphlops anomalus (BOCAGE, 1873)
• Afrotyphlops bibronii (SMITH, 1846)
• Afrotyphlops brevis (SCORTECCI, 1929)
• Afrotyphlops congestus (DUMÉRIL & BIBRON, 1844)
• Afrotyphlops cuneirostris (PETERS, 1879)
• Afrotyphlops dinga (PETERS, 1854)
• Afrotyphlops elegans (PETERS, 1868)
• Afrotyphlops fornasinii (BIANCONI, 1849)
• Afrotyphlops gierrai (MOCQUARD, 1897)
• Afrotyphlops lineolatus (JAN, 1864)
• Afrotyphlops obtusus (PETERS, 1865)
• Afrotyphlops platyrhynchus (STERNFELD, 1910)
• Afrotyphlops punctatus (LEACH, 1819)
• Afrotyphlops rondoensis (LOVERIDGE, 1942)
• Afrotyphlops schlegelii (BIANCONI, 1849)
• Afrotyphlops schmidti (LAURENT, 1956)
• Afrotyphlops steinhausi (WERNER, 1909)
• Agama agama (LINNAEUS, 1758)
• Agama kirkii BOULENGER, 1885
• Agama mossambica PETERS, 1854
• Agama picticauda PETERS, 1877
• Agamodon anguliceps PETERS, 1882
• Agamodon arabicus ANDERSON, 1901
• Agamodon compressus MOCQUARD, 1888
• Agkistrodon bilineatus GÜNTHER, 1863
• Agkistrodon contortrix (LINNAEUS, 1766)
• Agkistrodon howardgloydi CONANT, 1984
• Agkistrodon laticinctus GLOYD & CONANT, 1934
• Agkistrodon piscivorus (LACÉPÈDE, 1789)
• Agkistrodon russeolus GLOYD, 1972
• Agkistrodon taylori BURGER & ROBERTSON, 1951
• Ahaetulla dispar (GÜNTHER, 1864)
• Ahaetulla fasciolata (FISCHER, 1885)
• Ahaetulla fronticincta (GÜNTHER, 1858)
• Ahaetulla mycterizans (LINNAEUS, 1758)
• Ahaetulla nasuta (LACÉPÈDE, 1789)
• Ahaetulla oxyrhynca (BELL, 1825)
• Ahaetulla perroteti (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Ahaetulla prasina (BOIE, 1827)
• Ahaetulla pulverulenta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Aipysurus apraefrontalis SMITH, 1926
• Aipysurus duboisii BAVAY, 1869
• Aipysurus eydouxii (GRAY, 1849)
• Aipysurus foliosquama SMITH, 1926
• Aipysurus fuscus (TSCHUDI, 1837)
• Aipysurus laevis LACÉPÈDE, 1804
• Aipysurus mosaicus SANDERS, RASMUSSEN, ELMBERG, MUMPUNI, GUINEA, BLIAS, LEE & FRY, 2012
• Aipysurus pooleorum SMITH, 1974
• Aipysurus tenuis LÖNNBERG & ANDERSSON, 1913
• Aldabrachelys gigantea (SCHWEIGGER, 1812)
• Alinea lanceolata (COPE, 1863)
• Alluaudina bellyi MOCQUARD, 1894
• Alluaudina mocquardi ANGEL, 1939
• Alopecion guttatum (SMITH, 1843)
• Alopoglossus bilineatus (BOULENGER, 1890)
• Alsophis antiguae PARKER, 1933
• Alsophis antillensis (SCHLEGEL, 1837)
• Alsophis manselli PARKER, 1933
• Alsophis rijgersmaei COPE, 1870
• Alsophis rufiventris (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Alsophis sanctonum BARBOUR, 1915
• Alsophis sibonius COPE, 1879
• Amastridium sapperi (WERNER, 1903)
• Amastridium veliferum COPE, 1861
• Amblyodipsas concolor (SMITH, 1849)
• Amblyodipsas dimidiata (GÜNTHER, 1888)
• Amblyodipsas katangensis DE WITTE & LAURENT, 1942
• Amblyodipsas microphthalma (BIANCONI, 1852)
• Amblyodipsas polylepis (BOCAGE, 1873)
• Amblyodipsas rodhaini (DE WITTE, 1930)
• Amblyodipsas teitana BROADLEY, 1971
• Amblyodipsas unicolor (REINHARDT, 1843)
• Amblyodipsas ventrimaculata (ROUX, 1907)
• Amblyrhynchus cristatus BELL, 1825
• Ameiva ameiva (LINNAEUS, 1758)
• Amerotyphlops amoipira (RODRIGUES & JUNCÁ, 2002)
• Amerotyphlops brongersmianus (VANZOLINI, 1976)
• Amerotyphlops costaricensis (JIMÉNEZ & SAVAGE, 1963)
• Amerotyphlops lehneri (ROUX, 1926)
• Amerotyphlops microstomus (COPE, 1866)
• Amerotyphlops minuisquamus (DIXON & HENDRICKS, 1979)
• Amerotyphlops paucisquamus (DIXON & HENDRICKS, 1979)
• Amerotyphlops reticulatus (LINNAEUS, 1758)
• Amerotyphlops stadelmani (SCHMIDT, 1936)
• Amerotyphlops tasymicris (THOMAS, 1974)
• Amerotyphlops tenuis (SALVIN, 1860)
• Amerotyphlops trinitatus (RICHMOND, 1965)
• Amerotyphlops tycherus (TOWNSEND, WILSON, KETZLER & LUQUE-MONTES, 2008)
• Amerotyphlops yonenagae (RODRIGUES, 1991)
• Amnisiophis amoenus (JAN, 1863)
• Amphiesma monticola (JERDON, 1853)
• Amphiesma stolatum (LINNAEUS, 1758)
• Amphiesmoides ornaticeps (WERNER, 1924)
• Amphisbaena alba LINNAEUS, 1758
• Amphisbaena angustifrons COPE, 1861
• Amphisbaena anomala (BARBOUR, 1914)
• Amphisbaena bakeri STEJNEGER, 1904
• Amphisbaena barbouri GANS & ALEXANDER, 1962
• Amphisbaena bolivica MERTENS, 1929
• Amphisbaena brasiliana (GRAY, 1865)
• Amphisbaena caeca CUVIER, 1829
• Amphisbaena camura COPE, 1862
• Amphisbaena carlgansi THOMAS & HEDGES, 1998
• Amphisbaena carvalhoi GANS, 1965
• Amphisbaena cegei MONTERO, SÁFADEZ, ÁLVAREZ, 1997
• Amphisbaena cubana GUNDLACH & PETERS, 1879
• Amphisbaena dubia MÜLLER, 1924
• Amphisbaena fenestrata (COPE, 1861)
• Amphisbaena frontalis VANZOLINI, 1991
• Amphisbaena fuliginosa LINNAEUS, 1758
• Amphisbaena gracilis STRAUCH, 1881
• Amphisbaena heathi SCHMIDT, 1936
• Amphisbaena hogei VANZOLINI, 1950
• Amphisbaena kingii (BELL, 1833)
• Amphisbaena leeseri GANS, 1964
• Amphisbaena medemi GANS & MATHERS, 1977
• Amphisbaena mertensii STRAUCH, 1881
• Amphisbaena mitchelli PROCTER, 1923
• Amphisbaena munoai KLAPPENBACH, 1960
• Amphisbaena neglecta DUNN & PIATT, 1936
• Amphisbaena nigricauda GANS, 1966
• Amphisbaena pericensis NOBLE, 1921
• Amphisbaena plumbea GRAY, 1872
• Amphisbaena pretrei DUMÉRIL & BIBRON, 1839
• Amphisbaena prunicolor (COPE, 1885)
• Amphisbaena ridleyi BOULENGER, 1890
• Amphisbaena roberti GANS, 1964
• Amphisbaena rozei LANCINI, 1963
• Amphisbaena schmidti GANS, 1964
• Amphisbaena silvestrii BOULENGER, 1902
• Amphisbaena slateri BOULENGER, 1907
• Amphisbaena slevini SCHMIDT, 1936
• Amphisbaena spurrelli BOULENGER, 1915
• Amphisbaena steindachneri STRAUCH, 1881
• Amphisbaena stejnegeri RUTHVEN, 1922
• Amphisbaena talisiae VANZOLINI, 1995
• Amphisbaena townsendi STEJNEGER, 1911
• Amphisbaena vanzolinii GANS, 1963
• Amphisbaena vermicularis WAGLER, 1824
• Amphisbaena xera THOMAS, 1966
• Amplorhinus multimaculatus SMITH, 1847
• Amyda cartilaginea (BODDAERT, 1770)
• Amyda ornata (GRAY, 1861)
• Anadia hobarti LA-MARCA & GARCIA-PEREZ, 1990
• Ancylocranium barkeri LOVERIDGE, 1946
• Ancylocranium ionidesi LOVERIDGE, 1955
• Ancylocranium somalicum (SCORTECCI, 1931)
• Anguiculus rappii (GÜNTHER, 1860)
• Anilius scytale (LINNAEUS, 1758)
• Anolis ahli BARBOUR, 1925
• Anolis allisoni BARBOUR, 1928
• Anolis barkeri SCHMIDT, 1939
• Anolis biporcatus (WIEGMANN, 1834)
• Anolis boulengerianus THOMINOT, 1887
• Anolis capito PETERS, 1863
• Anolis compressicauda SMITH & KERSTER, 1955
• Anolis cristatellus DUMÉRIL & BIBRON, 1837
• Anolis cuprinus SMITH, 1964
• Anolis hobartsmithi NIETO-MONTES DE OCA, 2001
• Anolis laevis (COPE, 1875)
• Anolis laeviventris (WIEGMANN, 1834)
• Anolis lemurinus COPE, 1861
• Anolis macrinii SMITH, 1968
• Anolis mestrei BARBOUR & RAMSDEN, 1916
• Anolis microlepidotus DAVIS, 1954
• Anolis milleri SMITH, 1950
• Anolis nebuloides BOCOURT, 1873
• Anolis nebulosus (WIEGMANN, 1834)
• Anolis pentaprion COPE, 1863
• Anolis petersii BOCOURT, 1873
• Anolis phyllorhinus MYERS & CARVALHO, 1945
• Anolis proboscis PETERS & ORCES, 1956
• Anolis punctatus DAUDIN, 1802
• Anolis pygmaeus ÁLVAREZ DEL TORO & SMITH, 1956
• Anolis quercorum FITCH, 1978
• Anolis rodriguezii BOCOURT, 1873
• Anolis rubiginosus BOCOURT, 1873
• Anolis sagrei DUMÉRIL & BIBRON, 1837
• Anolis sericeus HALLOWELL, 1856
• Anolis subocularis DAVIS, 1954
• Anolis tolimensis WERNER, 1916
• Anolis tropidonotus PETERS, 1863
• Anolis uniformis COPE, 1885
• Anolis utilensis (KÖHLER, 1996)
• Anolis wattsii BOULENGER, 1894
• Anomalepis flavapices PETERS, 1957
• Anomalepis mexicana JAN, 1860
• Anomochilus leonardi SMITH, 1940
• Anomochilus monticola DAS, LAKIM, LIM & HUI, 2008
• Anomochilus weberi (LIDTH DE JEUDE, 1890)
• Anoplohydrus aemulans WERNER, 1909
• Antaioserpens warro (DE VIS, 1884)
• Antaresia childreni (GRAY, 1842)
• Antaresia maculosa (PETERS, 1873)
• Antaresia perthensis (STULL, 1932)
• Antillotyphlops dominicanus (STEJNEGER, 1904)
• Antillotyphlops granti (RUTHVEN & GAIGE, 1935)
• Antillotyphlops monastus (THOMAS, 1966)
• Antillotyphlops monensis (SCHMIDT, 1926)
• Antillotyphlops platycephalus (DUMÉRIL & BIBRON, 1844)
• Antillotyphlops richardii (DUMÉRIL & BIBRON, 1844)
• Apalone ferox (SCHNEIDER, 1783)
• Apalone mutica (LESUEUR, 1827)
• Apalone spinifera (LESUEUR, 1827)
• Aparallactus capensis SMITH, 1849
• Aparallactus guentheri BOULENGER, 1895
• Aparallactus jacksonii (GÜNTHER, 1888)
• Aparallactus lineatus (PETERS, 1870)
• Aparallactus lunulatus (PETERS, 1854)
• Aparallactus modestus (GÜNTHER, 1859)
• Aparallactus moeruensis DE WITTE & LAURENT, 1943
• Aparallactus niger BOULENGER, 1897
• Aparallactus turneri LOVERIDGE, 1935
• Aparallactus werneri BOULENGER, 1895
• Aplopeltura boa (BOIE, 1828)
• Apodora papuana (PETERS & DORIA, 1878)
• Apographon orestes (HARVEY & MUÑOZ, 2004)
• Apostolepis albicollaris DE LEMA, 2002
• Apostolepis ambiniger (PETERS, 1869)
• Apostolepis assimilis (REINHARDT, 1861)
• Apostolepis borellii PERACCA, 1904
• Apostolepis breviceps HARVEY, GONZALES & SCROCCHI, 2001
• Apostolepis cearensis GOMES, 1915
• Apostolepis christineae DE LEMA, 2002
• Apostolepis dimidiata (JAN, 1862)
• Apostolepis dorbignyi (SCHLEGEL, 1837)
• Apostolepis flavotorquata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Apostolepis gaboi RODRIGUES, 1993
• Apostolepis intermedia KOSLOWSKY, 1898
• Apostolepis multicincta HARVEY, 1999
• Apostolepis nelsonjorgei DE LEMA & RENNER, 2004
• Apostolepis niceforoi AMARAL, 1935
• Apostolepis nigrolineata (PETERS, 1869)
• Apostolepis nigroterminata BOULENGER, 1896
• Apostolepis phillipsae HARVEY, 1999
• Apostolepis pymi BOULENGER, 1903
• Apostolepis quinquelineata BOULENGER, 1896
• Apostolepis quirogai GIRAUDO & SCROCCHI, 1998
• Apostolepis rondoni AMARAL, 1925
• Apostolepis tenuis RUTHVEN, 1927
• Apostolepis vittata (COPE, 1887)
• Aprosdoketophis andreonei WALLACH, LANZA & NISTRI, 2010
• Archelaphe bella (STANLEY, 1917)
• Argyrophis bothriorhynchus (GÜNTHER, 1864)
• Argyrophis diardii (SCHLEGEL, 1839)
• Argyrophis fuscus (DUMÉRIL, 1851)
• Argyrophis hypsobothrius (WERNER, 1917)
• Argyrophis klemmeri (TAYLOR, 1962)
• Argyrophis oatesii (BOULENGER, 1890)
• Argyrophis siamensis (GÜNTHER, 1864)
• Argyrophis trangensis (TAYLOR, 1962)
• Aristelliger georgeensis (BOCOURT, 1873)
• Arizona elegans KENNICOTT, 1859
• Arizona occidentalis BLANCHARD, 1924
• Arizona pacata KLAUBER, 1946
• Arrhyton ainictum SCHWARTZ & GARRIDO, 1981
• Arrhyton dolichura WERNER, 1909
• Arrhyton procerum HEDGES & GARRIDO, 1992
• Arrhyton redimitum (COPE, 1862)
• Arrhyton supernum HEDGES & GARRIDO, 1992
• Arrhyton taeniatum GÜNTHER, 1858
• Arrhyton tanyplectum SCHWARTZ & GARRIDO, 1981
• Arrhyton vittatum (GUNDLACH, 1861)
• Aspidelaps lubricus (LAURENTI, 1768)
• Aspidelaps scutatus (SMITH, 1849)
• Aspidites melanocephalus (KREFFT, 1864)
• Aspidites ramsayi (MACLEAY, 1882)
• Aspidomorphus muelleri (SCHLEGEL, 1837)
• Aspidomorphus schlegelii (GÜNTHER, 1872)
• Aspidoscelis angusticeps (COPE, 1878)
• Aspidoscelis cozumela (GADOW, 1906)
• Aspidoscelis deppii (WIEGMANN, 1834)
• Aspidoscelis guttatus (WIEGMANN, 1834)
• Aspidoscelis maslini (FRITTS, 1969)
• Aspidoscelis mexicanus (PETERS, 1869)
• Aspidoscelis motaguae (SACKETT, 1941)
• Aspidoscelis parvisocius (ZWEIFEL, 1960)
• Aspidoscelis rodecki (MCCOY & MASLIN, 1962)
• Aspidoscelis sackii (WIEGMANN, 1834)
• Aspidura brachyorrhos (BOIE, 1827)
• Aspidura copei GÜNTHER, 1864
• Aspidura drummondhayi BOULENGER, 1904
• Aspidura guentheri FERGUSON, 1876
• Aspidura trachyprocta COPE, 1860
• Aspronema dorsivittatum (COPE, 1862)
• Asthenodipsas borneensis QUAH, GRISMER, LIM, ANUAR & CHAN, 2020
• Asthenodipsas laevis (BOIE, 1827)
• Asthenodipsas malaccana PETERS, 1864
• Asthenodipsas tropidonota (LIDTH DE JEUDE, 1923)
• Asthenodipsas vertebralis (BOULENGER, 1900)
• Astrochelys radiata (SHAW, 1802)
• Astrochelys yniphora (VAILLANT, 1885)
• Atheris acuminata BROADLEY, 1998
• Atheris anisolepis MOCQUARD, 1887
• Atheris barbouri LOVERIDGE, 1930
• Atheris broadleyi LAWSON, 1999
• Atheris ceratophora WERNER, 1896
• Atheris chlorechis (PEL, 1852)
• Atheris desaixi ASHE, 1968
• Atheris hispida LAURENT, 1955
• Atheris katangensis DE WITTE, 1953
• Atheris mabuensis BRANCH & BAYLISS, 2009
• Atheris matildae MENEGON, DAVENPORT & HOWELL, 2011
• Atheris nitschei TORNIER, 1902
• Atheris rungweensis BOGERT, 1940
• Atheris squamigera HALLOWELL, 1854
• Atheris subocularis FISCHER, 1888
• Atractaspis andersonii BOULENGER, 1905
• Atractaspis aterrima GÜNTHER, 1863
• Atractaspis battersbyi DE WITTE, 1959
• Atractaspis bibronii SMITH, 1849
• Atractaspis boulengeri MOCQUARD, 1897
• Atractaspis congica PETERS, 1877
• Atractaspis corpulenta (HALLOWELL, 1854)
• Atractaspis dahomeyensis BOCAGE, 1887
• Atractaspis duerdeni GOUGH, 1907
• Atractaspis engaddensis HAAS, 1950
• Atractaspis engdahli LÖNNBERG & ANDERSSON, 1913
• Atractaspis fallax PETERS, 1867
• Atractaspis irregularis (REINHARDT, 1843)
• Atractaspis leucomelas BOULENGER, 1895
• Atractaspis magrettii SCORTECCI, 1929
• Atractaspis microlepidota GÜNTHER, 1866
• Atractaspis micropholis GÜNTHER, 1872
• Atractaspis phillipsi BARBOUR, 1913
• Atractaspis reticulata SJÖSTEDT, 1896
• Atractaspis scorteccii PARKER, 1949
• Atractaspis watsoni BOULENGER, 1908
• Atractus acheronius PASSOS, RIVAS-FUENMAYOR & BARRIO-AMORÓS, 2009
• Atractus albuquerquei CUNHA & NASCIMENTO, 1983
• Atractus alphonsehogei CUNHA & NASCIMENTO, 1983
• Atractus andinus PRADO, 1944
• Atractus arangoi PRADO, 1940
• Atractus badius (BOIE, 1827)
• Atractus biseriatus PRADO, 1941
• Atractus bocki WERNER, 1909
• Atractus bocourti BOULENGER, 1894
• Atractus boulengerii PERACCA, 1896
• Atractus caete PASSOS, FERNANDES, BÉRNILS & MOURA-LEITE, 2010
• Atractus carrioni PARKER, 1930
• Atractus charitoae SILVA HAAD, 2004
• Atractus clarki DUNN & BAILEY, 1939
• Atractus collaris PERACCA, 1897
• Atractus crassicaudatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Atractus duboisi (BOULENGER, 1880)
• Atractus duidensis ROZE, 1961
• Atractus dunni SAVAGE, 1955
• Atractus echidna PASSOS, MUESES-CISNEROS, LYNCH & FERNANDES, 2009
• Atractus ecuadorensis SAVAGE, 1955
• Atractus edioi DA SILVA, RODRIGUES SILVA, RIBEIRO, SOUZA & DO AMARAL SOUZA, 2005
• Atractus elaps (GÜNTHER, 1858)
• Atractus emigdioi GONZÁLEZ-SPONGA, 1971
• Atractus emmeli (BOETTGER, 1888)
• Atractus erythromelas BOULENGER, 1903
• Atractus favae (DE FILIPPI, 1840)
• Atractus flammigerus (BOIE, 1827)
• Atractus franciscopaivai SILVA HAAD, 2004
• Atractus francoi PASSOS, FERNANDES, BÉRNILS & MOURA-LEITE, 2010
• Atractus fuliginosus (HALLOWELL, 1845)
• Atractus gaigeae (SAVAGE, 1955)
• Atractus gigas MYERS & SCHARGEL, 2006
• Atractus guentheri (WUCHERER, 1861)
• Atractus hoogmoedi PRUDENTE & PASSOS, 2010
• Atractus indistinctus PRADO, 1940
• Atractus insipidus ROZE, 1961
• Atractus iridescens PERACCA, 1896
• Atractus lancinii ROZE, 1961
• Atractus lasallei AMARAL, 1931
• Atractus latifrons (GÜNTHER, 1868)
• Atractus lehmanni BOETTGER, 1898
• Atractus loveridgei AMARAL, 1930
• Atractus maculatus (GÜNTHER, 1858)
• Atractus major BOULENGER, 1894
• Atractus manizalesensis PRADO, 1940
• Atractus mariselae LANCINI, 1969
• Atractus matthewi MARKEZICH & BARRIO-AMORÓS, 2004
• Atractus medusa PASSOS, MUESES-CISNEROS, LYNCH & FERNANDES, 2009
• Atractus melanogaster WERNER, 1916
• Atractus melas BOULENGER, 1908
• Atractus meridensis ESQUEDA & LA MARCA, 2005
• Atractus micheleae ESQUEDA & LA MARCA, 2005
• Atractus microrhynchus (COPE, 1868)
• Atractus modestus BOULENGER, 1894
• Atractus multicinctus (JAN, 1865)
• Atractus multidentatus PASSOS, RIVAS-FUENMAYOR & BARRIO-AMORÓS, 2009
• Atractus nicefori AMARAL, 1930
• Atractus obesus MARX, 1960
• Atractus occidentalis SAVAGE, 1955
• Atractus occipitoalbus (JAN, 1862)
• Atractus oculotemporalis AMARAL, 1932
• Atractus orcesi SAVAGE, 1955
• Atractus pamplonensis AMARAL, 1935
• Atractus pantostictus FERNANDES & PUORTO, 1993
• Atractus paraguayensis WERNER, 1924
• Atractus paucidens (DESPAX, 1910)
• Atractus poeppigi (JAN, 1862)
• Atractus potschi FERNANDES, 1995
• Atractus resplendens WERNER, 1901
• Atractus reticulatus (BOULENGER, 1885)
• Atractus riveroi ROZE, 1961
• Atractus ronnie PASSOS, FERNANDES & BORGES-NOJOSA, 2007
• Atractus roulei DESPAX, 1910
• Atractus sanctaemartae DUNN, 1946
• Atractus sanguineus PRADO, 1944
• Atractus schach (BOIE, 1827)
• Atractus snethlageae CUNHA & NASCIMENTO, 1983
• Atractus steyermarki ROZE, 1958
• Atractus tamessari KOK, 2006
• Atractus taphorni SCHARGEL & GARCÍA-PÉREZ, 2002
• Atractus thalesdelemai PASSOS, FERNANDES & ZANELLA, 2005
• Atractus titanicus PASSOS, ARREDONDO, FERNANDES & LYNCH, 2009
• Atractus torquatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Atractus trilineatus WAGLER, 1828
• Atractus turikensis BARROS, 2000
• Atractus typhon PASSOS, MUESES-CISNEROS, LYNCH & FERNANDES, 2009
• Atractus ventrimaculatus BOULENGER, 1905
• Atractus vittatus BOULENGER, 1894
• Atractus wagleri PRADO, 1945
• Atractus werneri PERACCA, 1914
• Atractus zebrinus (JAN, 1862)
• Atractus zidoki GASC & RODRIGUES, 1979
• Atretium schistosum (DAUDIN, 1803)
• Atropoides picadoi (DUNN, 1939)
• Australolacerta australis (HEWITT, 1926)
• Austrelaps labialis (JAN, 1859)
• Austrelaps ramsayi (KREFFT, 1864)
• Austrelaps superbus (GÜNTHER, 1858)
• Austroablepharus naranjicaudus (GREER, FISHER & HORNER, 2004)
• Azemiops feae BOULENGER, 1888
• Bachia alleni (BARBOUR, 1914)
• Bachia heteropa (LICHTENSTEIN & MARTENS, 1856)
• Bachia lineata BOULENGER, 1903
• Bachia marcelae DONOSO-BARROS & GARRIDO, 1964
• Bachia peruana (WERNER, 1901)
• Bachia trinitatis (BARBOUR, 1914)
• Baikia africana GRAY, 1865
• Baliodryas steinbachi (BOULENGER, 1905)
• Bamanophis dorri (LATASTE, 1888)
• Barisia imbricata (WIEGMANN, 1828)
• Basiliscus plumifrons COPE, 1875
• Basiliscus vittatus WIEGMANN, 1828
• Batagur affinis (CANTOR, 1847)
• Batagur baska (GRAY, 1831)
• Batagur borneoensis (SCHLEGEL & MÜLLER, 1844)
• Batagur dhongoka (GRAY, 1834)
• Batagur kachuga (GRAY, 1831)
• Batagur trivittata (DUMÉRIL & BIBRON, 1835)
• Bauerius ansorgii (BOULENGER, 1907)
• Bavayia exsuccida BAUER, WHITAKER & SADLIER, 1998
• Bavayia geitaina WRIGHT, BAUER & SADLIER, 2000
• Bavayia robusta WRIGHT, BAUER & SADLIER, 2000
• Bavayia sauvagii (BOULENGER, 1883)
• Bavayia septuiclavis SADLIER, 1989
• Bellatorias major (GRAY, 1845)
• Bipes canaliculatus LATREILLE, 1801
• Bitia hydroides GRAY, 1842
• Bitis albanica HEWITT, 1937
• Bitis arietans (MERREM, 1820)
• Bitis armata (SMITH, 1826)
• Bitis atropos (LINNAEUS, 1758)
• Bitis caudalis (SMITH, 1839)
• Bitis cornuta (DAUDIN, 1803)
• Bitis gabonica (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Bitis harenna GOWER, WADE, SPAWLS, BÖHME, BUECHLEY, SYKES & COLSTON, 2016
• Bitis heraldica (BOCAGE, 1889)
• Bitis inornata (SMITH, 1838)
• Bitis nasicornis (SHAW & NODDER, 1792)
• Bitis parviocula BÖHME, 1977
• Bitis peringueyi (BOULENGER, 1888)
• Bitis rhinoceros (SCHLEGEL, 1855)
• Bitis rubida BRANCH, 1997
• Bitis schneideri (BOETTGER, 1886)
• Bitis worthingtoni PARKER, 1932
• Bitis xeropaga HAACKE, 1975
• Boa constrictor LINNAEUS, 1758
• Boa imperator DAUDIN, 1803
• Boa nebulosa (LAZELL, 1964)
• Boa orophias LINNAEUS, 1758
• Boaedon angolensis (BOCAGE, 1895)
• Boaedon arabicus PARKER, 1930
• Boaedon capensis DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Boaedon fuliginosus (BOIE, 1827)
• Boaedon geometricus (SCHLEGEL, 1837)
• Boaedon lineatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Boaedon littoralis TRAPE & MEDIANNIKOV, 2016
• Boaedon longilineatus TRAPE & MEDIANNIKOV, 2016
• Boaedon maculatus PARKER, 1932
• Boaedon olivaceus (DUMÉRIL, 1856)
• Boaedon paralineatus TRAPE & MEDIANNIKOV, 2016
• Boaedon perisilvestris TRAPE & MEDIANNIKOV, 2016
• Boaedon subflavus TRAPE & MEDIANNIKOV, 2016
• Boaedon subtaeniatus LAURENT, 1954
• Boaedon upembae (LAURENT, 1954)
• Boaedon variegatus (BOCAGE, 1867)
• Boaedon virgatus (HALLOWELL, 1854)
• Bofa erlangeri (STERNFELD, 1908)
• Bogertophis rosaliae (MOCQUARD, 1899)
• Bogertophis subocularis (BROWN, 1902)
• Boiga andamanensis (WALL, 1909)
• Boiga angulata (PETERS, 1861)
• Boiga barnesii (GÜNTHER, 1869)
• Boiga beddomei (WALL, 1909)
• Boiga bengkuluensis ORLOV, KUDRYAVTZEV, RYABOV & SHUMAKOV, 2003
• Boiga bourreti TILLACK, ZIEGLER & KHAC QUYET, 2004
• Boiga ceylonensis (GÜNTHER, 1858)
• Boiga cyanea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Boiga cynodon (BOIE, 1827)
• Boiga dendrophila (BOIE, 1827)
• Boiga dightoni (BOULENGER, 1894)
• Boiga drapiezii (BOIE, 1827)
• Boiga flaviviridis VOGEL & GANESH, 2013
• Boiga forsteni (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Boiga gocool (GRAY, 1834)
• Boiga guangxiensis WEN, 1998
• Boiga hoeseli RAMADHAN, ISKANDAR & SUBASRI, 2010
• Boiga irregularis (BECHSTEIN, 1802)
• Boiga jaspidea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Boiga kraepelini STEJNEGER, 1902
• Boiga melanota (BOULENGER, 1896)
• Boiga multifasciata (BLYTH, 1861)
• Boiga multomaculata (BOIE, 1827)
• Boiga nigriceps (GÜNTHER, 1863)
• Boiga nuchalis (GÜNTHER, 1875)
• Boiga philippina (PETERS, 1867)
• Boiga quincunciata (WALL, 1908)
• Boiga saengsomi NUTAPHAND, 1985
• Boiga schultzei TAYLOR, 1923
• Boiga siamensis NUTAPHAND, 1971
• Boiga stoliczkae (WALL, 1909)
• Boiga tanahjampeana ORLOV & RYABOV, 2002
• Boiga trigonata (SCHNEIDER, 1802)
• Boiga wallachi DAS, 1998
• Boiga westermanni (REINHARDT, 1863)
• Boiruna maculata (BOULENGER, 1896)
• Boiruna sertaneja ZAHER, 1996
• Bolyeria multocarinata (BOIE, 1827)
• Borikenophis portoricensis (REINHARDT & LÜTKEN, 1862)
• Borikenophis prymnus (SCHWARTZ, 1966)
• Borikenophis sanctaecrucis (COPE, 1862)
• Borikenophis variegatus (SCHMIDT, 1926)
• Bothriechis aurifer (SALVIN, 1860)
• Bothriechis bicolor (BOCOURT, 1868)
• Bothriechis guifarroi TOWNSEND, MEDINA-FLORES, WILSON, JADIN & AUSTIN, 2013
• Bothriechis lateralis PETERS, 1862
• Bothriechis marchi (BARBOUR & LOVERIDGE, 1929)
• Bothriechis nigroadspersus (STEINDACHNER, 1870)
• Bothriechis nigroviridis PETERS, 1859
• Bothriechis nitidus (GÜNTHER, 1859)
• Bothriechis rowleyi (BOGERT, 1968)
• Bothriechis schlegelii (BERTHOLD, 1846)
• Bothriechis supraciliaris (TAYLOR, 1954)
• Bothriechis thalassinus CAMPBELL & SMITH, 2000
• Bothriechis torvus (POSADA-ARANGO, 1889)
• Bothrochilus boa (SCHLEGEL, 1837)
• Bothrocophias andianus (AMARAL, 1923)
• Bothrocophias campbelli (FREIRE-LASCANO, 1991)
• Bothrocophias colombianus (RENDAHL & VESTERGREN, 1940)
• Bothrocophias hyoprora (AMARAL, 1935)
• Bothrocophias lojanus (PARKER, 1930)
• Bothrocophias microphthalmus (COPE, 1875)
• Bothrocophias myersi GUTBERLET & CAMPBELL, 2001
• Bothrolycus ater GÜNTHER, 1874
• Bothrophthalmus brunneus GÜNTHER, 1863
• Bothrophthalmus lineatus (PETERS, 1863)
• Bothrops alternatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Bothrops ammodytoides LEYBOLD, 1873
• Bothrops asper (GARMAN, 1883)
• Bothrops atrox (LINNAEUS, 1758)
• Bothrops barnetti PARKER, 1938
• Bothrops bilineatus (WIED-NEUWIED, 1821)
• Bothrops brazili HOGE, 1954
• Bothrops caribbaeus (GARMAN, 1887)
• Bothrops chloromelas (BOULENGER, 1912)
• Bothrops cotiara (GOMES, 1913)
• Bothrops diporus COPE, 1862
• Bothrops erythromelas (AMARAL, 1923)
• Bothrops fonsecai HOGE & BELLUOMINI, 1959
• Bothrops insularis (AMARAL, 1922)
• Bothrops itapetiningae (BOULENGER, 1907)
• Bothrops jararaca (WIED-NEUWIED, 1824)
• Bothrops jararacussu LACERDA, 1884
• Bothrops jonathani HARVEY, 1994
• Bothrops lanceolatus (BONNATERRE, 1790)
• Bothrops leucurus WAGLER, 1824
• Bothrops lutzi (MIRANDA-RIBEIRO, 1915)
• Bothrops marajoensis HOGE, 1966
• Bothrops mattogrossensis AMARAL, 1925
• Bothrops medusa (STERNFELD, 1920)
• Bothrops moojeni HOGE, 1966
• Bothrops muriciensis FERRAREZZI & FREIRE, 2001
• Bothrops neuwiedi WAGLER, 1824
• Bothrops oligolepis (WERNER, 1901)
• Bothrops osbornei FREIRE-LASCANO, 1991
• Bothrops pauloensis AMARAL, 1925
• Bothrops pictus (TSCHUDI, 1845)
• Bothrops pirajai AMARAL, 1923
• Bothrops pubescens (COPE, 1870)
• Bothrops pulcher (PETERS, 1862)
• Bothrops punctatus (GARCIA, 1896)
• Bothrops sanctaecrucis HOGE, 1966
• Bothrops taeniatus WAGLER, 1824
• Bothrops venezuelensis SANDNER-MONTILLA, 1952
• Brachylophus bulabula FISHER, HARLOW, EDWARDS & KEOGH, 2008
• Brachylophus fasciatus (BRONGNIART, 1800)
• Brachylophus vitiensis GIBBONS, 1981
• Brachyophis cornii SCORTECCI, 1932
• Brachyophis krameri LANZA, 1966
• Brachyophis revoili MOCQUARD, 1888
• Brachyurophis approximans (GLAUERT, 1954)
• Brachyurophis australis (KREFFT, 1864)
• Brachyurophis campbelli (KINGHORN, 1929)
• Brachyurophis fasciolatus (GÜNTHER, 1872)
• Brachyurophis incinctus (STORR, 1968)
• Brachyurophis morrisi (HORNER, 1998)
• Brachyurophis roperi (KINGHORN, 1931)
• Brachyurophis semifasciatus GÜNTHER, 1863
• Brasiliscincus agilis (RADDI, 1823)
• Brasiliscincus heathi (SCHMIDT & INGER, 1951)
• Broadleysaurus major (DUMÉRIL, 1851)
• Brookesia confidens GLAW, KÖHLER, TOWNSEND & VENCES, 2012
• Brookesia desperata GLAW, KÖHLER, TOWNSEND & VENCES, 2012
• Brookesia micra GLAW, KÖHLER, TOWNSEND & VENCES, 2012
• Brookesia tristis GLAW, KÖHLER, TOWNSEND & VENCES, 2012
• Bufoniceps laungwalaensis (SHARMA, 1978)
• Buhoma depressiceps (WERNER, 1897)
• Buhoma marlieri (LAURENT, 1956)
• Buhoma procterae (LOVERIDGE, 1922)
• Buhoma vauerocegae (TORNIER, 1902)
• Bungarus bungaroides (CANTOR, 1839)
• Bungarus caeruleus (SCHNEIDER, 1801)
• Bungarus candidus (LINNAEUS, 1758)
• Bungarus ceylonicus GÜNTHER, 1864
• Bungarus fasciatus (SCHNEIDER, 1801)
• Bungarus flaviceps REINHARDT, 1843
• Bungarus lividus CANTOR, 1839
• Bungarus multicinctus BLYTH, 1861
• Bungarus niger WALL, 1908
• Bungarus sindanus BOULENGER, 1897
• Bungarus slowinskii KUCH, KIZIRIAN, NGUYEN, LAWSON, DONNELLY & MEBS, 2005
• Bungarus walli WALL, 1907
• Bungarus wanghaotingi POPE, 1928
• Caaeteboia amarali (WETTSTEIN, 1930)
• Cachryx alfredschmidti (KÖHLER, 1995)
• Cachryx defensor COPE, 1866
• Cacophis churchilli WELLS & WELLINGTON, 1985
• Cacophis harriettae KREFFT, 1869
• Cacophis krefftii GÜNTHER, 1863
• Cacophis squamulosus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Cadea blanoides (STEJNEGER, 1916)
• Cadea palirostrata DICKERSON, 1916
• Caiman crocodilus (LINNAEUS, 1758)
• Calabaria reinhardtii (SCHLEGEL, 1851)
• Calamaria abramovi ORLOV, 2009
• Calamaria abstrusa INGER & MARX, 1965
• Calamaria acutirostris BOULENGER, 1896
• Calamaria albiventer (GRAY, 1834)
• Calamaria alidae BOULENGER, 1920
• Calamaria annamensis BOURRET, 1937
• Calamaria apraeocularis SMITH, 1927
• Calamaria banggaiensis KOCH, ARIDA, MCGUIRE, ISKANDAR & BÖHME, 2009
• Calamaria battersbyi INGER & MARX, 1965
• Calamaria berezowskii GÜNTHER, 1896
• Calamaria bicolor DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Calamaria bitorques PETERS, 1872
• Calamaria boesemani INGER & MARX, 1965
• Calamaria brongersmai INGER & MARX, 1965
• Calamaria buchi MARX & INGER, 1955
• Calamaria butonensis HOWARD & GILLESPIE, 2007
• Calamaria ceramensis DE ROOIJ, 1913
• Calamaria crassa LIDTH DE JEUDE, 1922
• Calamaria curta BOULENGER, 1896
• Calamaria doederleini GOUGH, 1902
• Calamaria eiselti INGER & MARX, 1965
• Calamaria everetti BOULENGER, 1893
• Calamaria forcarti INGER & MARX, 1965
• Calamaria gervaisii DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Calamaria gialaiensis ZIEGLER, SANG & TRUONG, 2008
• Calamaria grabowskyi FISCHER, 1885
• Calamaria gracillima (GÜNTHER, 1872)
• Calamaria griswoldi LOVERIDGE, 1938
• Calamaria ingeri GRISMER, KAISER & YAAKOB, 2004
• Calamaria javanica BOULENGER, 1891
• Calamaria lateralis MOCQUARD, 1890
• Calamaria lautensis DE ROOIJ, 1917
• Calamaria leucogaster BLEEKER, 1860
• Calamaria linnaei BOIE, 1827
• Calamaria longirostris HOWARD & GILLESPIE, 2007
• Calamaria lovii BOULENGER, 1887
• Calamaria lumbricoidea BOIE, 1827
• Calamaria lumholtzi ANDERSSON, 1923
• Calamaria margaritophora BLEEKER, 1860
• Calamaria mecheli SCHENKEL, 1901
• Calamaria modesta DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Calamaria muelleri BOULENGER, 1896
• Calamaria nuchalis BOULENGER, 1896
• Calamaria pavimentata DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Calamaria prakkei LIDTH DE JEUDE, 1893
• Calamaria rebentischi BLEEKER, 1860
• Calamaria schlegeli DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Calamaria schmidti MARX & INGER, 1955
• Calamaria septentrionalis BOULENGER, 1890
• Calamaria suluensis TAYLOR, 1922
• Calamaria sumatrana EDELING, 1870
• Calamaria thanhi ZIEGLER & QUYET, 2005
• Calamaria ulmeri SACKETT, 1940
• Calamaria virgulata BOIE, 1827
• Calamaria yunnanensis CHERNOV, 1962
• Calamodontophis paucidens (AMARAL, 1936)
• Calamodontophis ronaldoi FRANCO, DE CARVALHO-CINTRA & DE LEMA, 2006
• Calamophis jobiensis MEYER, 1874
• Calamorhabdium acuticeps AHL, 1933
• Calamorhabdium kuekenthali BOETTGER, 1898
• Calliophis beddomei SMITH, 1943
• Calliophis bibroni (JAN, 1858)
• Calliophis bivirgatus (BOIE, 1827)
• Calliophis castoe SMITH, OGALE, DEEPAK & GIRI, 2012
• Calliophis gracilis GRAY, 1834
• Calliophis haematoetron SMITH, MANAMENDRA-ARACHCHI & SOMAWEERA, 2008
• Calliophis intestinalis (LAURENTI, 1768)
• Calliophis maculiceps (GÜNTHER, 1858)
• Calliophis melanurus (SHAW, 1802)
• Calliophis nigrescens (GÜNTHER, 1862)
• Calliophis nigrotaeniatus PETERS, 1863
• Calliophis philippinus (GÜNTHER, 1864)
• Calloselasma rhodostoma (KUHL, 1824)
• Calotes desilvai BAHIR & MADUWAGE, 2005
• Calumma gallus (GÜNTHER, 1877)
• Candoia aspera (GÜNTHER, 1877)
• Candoia bibroni (DUMÉRIL & BIBRON, 1844)
• Candoia carinata (SCHNEIDER, 1801)
• Candoia paulsoni (STULL, 1956)
• Candoia superciliosa (GÜNTHER, 1863)
• Cantoria violacea GIRARD, 1858
• Caraiba andreae (REINHARDT & LÜTKEN, 1862)
• Caretta caretta (LINNAEUS, 1758)
• Carettochelys insculpta RAMSAY, 1886
• Carphophis amoenus (SAY, 1825)
• Carphophis vermis (KENNICOTT, 1859)
• Casarea dussumieri (SCHLEGEL, 1837)
• Cathetorhinus melanocephalus DUMÉRIL & BIBRON, 1844
• Causus bilineatus BOULENGER, 1905
• Causus defilippii (JAN, 1863)
• Causus lichtensteinii (JAN, 1859)
• Causus maculatus (HALLOWELL, 1842)
• Causus resimus (PETERS, 1862)
• Causus rhombeatus (LICHTENSTEIN, 1823)
• Cemophora coccinea (BLUMENBACH, 1788)
• Centrochelys sulcata (MILLER, 1779)
• Cerastes cerastes (LINNAEUS, 1758)
• Cerastes gasperettii LEVITON & ANDERSON, 1967
• Cerastes vipera (LINNAEUS, 1758)
• Cerberus australis (GRAY, 1842)
• Cerberus dunsoni MURPHY, VORIS & KARNS, 2012
• Cerberus rynchops (SCHNEIDER, 1799)
• Cerberus schneiderii (SCHLEGEL, 1837)
• Cercophis auratus (SCHLEGEL, 1837)
• Cerrophidion godmani (GÜNTHER, 1863)
• Cerrophidion sasai JADIN, TOWNSEND, CASTOE & CAMPBELL, 2012
• Cerrophidion tzotzilorum (CAMPBELL, 1985)
• Cerrophidion wilsoni JADIN, TOWNSEND, CASTOE & CAMPBELL, 2012
• Chalcides armitagei BOULENGER, 1922
• Chalcides bedriagai (BOSCA, 1880)
• Chalcides bottegi BOULENGER, 1898
• Chalcides colosii LANZA, 1957
• Chalcides ebneri WERNER, 1931
• Chalcides humilis BOULENGER, 1896
• Chalcides mauritanicus (DUMÉRIL & BIBRON, 1839)
• Chalcides ocellatus (FORSKÅL, 1775)
• Chalcides ragazzii BOULENGER, 1890
• Chalcides striatus (CUVIER, 1829)
• Chalcides viridanus (GRAVENHORST, 1851)
• Chamaeleo africanus LAURENTI, 1768
• Chamaeleo calyptratus DUMÉRIL & BIBRON, 1851
• Chamaeleo dilepis LEACH, 1819
• Chamaelycus christyi BOULENGER, 1919
• Chamaelycus fasciatus (GÜNTHER, 1858)
• Chamaelycus parkeri (ANGEL, 1934)
• Chamaesaura macrolepis (COPE, 1862)
• Chapinophis xanthocheilus CAMPBELL & SMITH, 1998
• Charina bottae (BLAINVILLE, 1835)
• Charina umbratica KLAUBER, 1943
• Chatogekko amazonicus (ANDERSSON, 1918)
• Chelodina burrungandjii THOMSON, KENNETT & GEORGES, 2000
• Chelodina canni MCCORD & THOMSON, 2002
• Chelodina expansa GRAY, 1857
• Chelodina kuchlingi CANN, 1997
• Chelodina longicollis (SHAW, 1794)
• Chelodina mccordi RHODIN, 1994
• Chelodina novaeguineae BOULENGER, 1888
• Chelodina oblonga GRAY, 1841
• Chelodina parkeri RHODIN & MITTERMEIER, 1976
• Chelodina pritchardi RHODIN, 1994
• Chelodina reimanni PHILIPPEN & GROSSMANN, 1990
• Chelodina rugosa OGILBY, 1889
• Chelodina steindachneri SIEBENROCK, 1914
• Chelonia mydas (LINNAEUS, 1758)
• Chelonoidis carbonarius (SPIX, 1824)
• Chelonoidis chilensis (GRAY, 1870)
• Chelonoidis denticulatus (LINNAEUS, 1766)
• Chelonoidis niger (QUOY & GAIMARD, 1824)
• Chelus fimbriata (SCHNEIDER, 1783)
• Chelus orinocensis VARGAS-RAMÍREZ, CABALLERO, MORALES-BETANCOURT, LASSO, AMAYA, MARTÎNEZ, SILVA-VIANA, VOGT, PIRES-FARIAS, HRBEK, CAMPBELL & FRITZ, 2020
• Chelydra acutirostris PETERS, 1862
• Chelydra rossignonii (BOCOURT, 1868)
• Chelydra serpentina (LINNAEUS, 1758)
• Chersina angulata (SCHWEIGGER, 1812)
• Chersobius boulengeri (DUERDEN, 1906)
• Chersobius signatus (GMELIN, 1789)
• Chersobius solus (BRANCH, 2007)
• Chersodromus liebmanni REINHARDT, 1861
• Chersodromus rubriventris (TAYLOR, 1949)
• Chilabothrus angulifer (COCTEAU & BIBRON, 1840)
• Chilabothrus argentum REYNOLDS, PUENTE-ROLÓN, GENEVA, AVILES-RODRIGUEZ & HERRMANN, 2016
• Chilabothrus chrysogaster (COPE, 1871)
• Chilabothrus exsul (NETTING & GOIN, 1944)
• Chilabothrus fordii (GÜNTHER, 1861)
• Chilabothrus gracilis FISCHER, 1888
• Chilabothrus granti (STULL, 1933)
• Chilabothrus inornatus (REINHARDT, 1843)
• Chilabothrus monensis (ZENNECK, 1898)
• Chilabothrus schwartzi (BUDEN, 1975)
• Chilabothrus striatus (FISCHER, 1856)
• Chilabothrus strigilatus (COPE, 1862)
• Chilabothrus subflavus (STEJNEGER, 1901)
• Chilorhinophis butleri WERNER, 1907
• Chilorhinophis gerardi (BOULENGER, 1913)
• Chioninia stangeri (GRAY, 1845)
• Chirindia ewerbecki WERNER, 1910
• Chirindia langi FITZSIMONS, 1939
• Chirindia mpwapwaensis (LOVERIDGE, 1932)
• Chirindia rondoensis (LOVERIDGE, 1941)
• Chirindia swynnertoni BOULENGER, 1907
• Chironius bicarinatus (WIED-NEUWIED, 1820)
• Chironius carinatus (LINNAEUS, 1758)
• Chironius challenger KOK, 2010
• Chironius cochranae HOGE & ROMANO, 1969
• Chironius exoletus (LINNAEUS, 1758)
• Chironius flavolineatus (BOETTGER, 1885)
• Chironius flavopictus (WERNER, 1909)
• Chironius foveatus BAILEY, 1955
• Chironius fuscus (LINNAEUS, 1758)
• Chironius grandisquamis (PETERS, 1869)
• Chironius laevicollis (WIED-NEUWIED, 1824)
• Chironius laurenti DIXON, WIEST & CEI, 1993
• Chironius leucometapus DIXON, WIEST & CEI, 1993
• Chironius maculoventris DIXON, WIEST & CEI, 1993
• Chironius monticola ROZE, 1952
• Chironius multiventris SCHMIDT & WALKER, 1943
• Chironius quadricarinatus (BOIE, 1827)
• Chironius scurrula (WAGLER, 1824)
• Chironius septentrionalis DIXON, WIEST & CEI, 1993
• Chironius spixii (HALLOWELL, 1845)
• Chironius vincenti (BOULENGER, 1891)
• Chitra chitra NUTAPHAND, 1986
• Chitra indica (GRAY, 1831)
• Chitra vandijki MCCORD & PRITCHARD, 2003
• Chlamydosaurus kingii GRAY, 1825
• Chlorosoma laticeps (WERNER, 1900)
• Chlorosoma viridissimum (LINNAEUS, 1758)
• Chondrodactylus turneri (GRAY, 1864)
• Christinus guentheri (BOULENGER, 1885)
• Chrysemys dorsalis AGASSIZ, 1857
• Chrysemys picta (SCHNEIDER, 1783)
• Chrysopelea ornata (SHAW, 1802)
• Chrysopelea paradisi BOIE, 1827
• Chrysopelea pelias (LINNAEUS, 1758)
• Chrysopelea rhodopleuron BOIE, 1827
• Chrysopelea taprobanica SMITH, 1943
• Claudius angustatus COPE, 1865
• Clelia clelia (DAUDIN, 1803)
• Clelia equatoriana (AMARAL, 1924)
• Clelia errabunda UNDERWOOD, 1993
• Clelia hussami MORATO, FRANCO & SANCHES, 2003
• Clelia langeri REICHLE & EMBERT, 2005
• Clelia plumbea (WIED-NEUWIED, 1820)
• Clelia scytalina (COPE, 1867)
• Clemmys guttata (SCHNEIDER, 1792)
• Clonophis kirtlandii (KENNICOTT, 1856)
• Cnemidophorus lemniscatus (LINNAEUS, 1758)
• Coelognathus erythrurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Coelognathus flavolineatus (SCHLEGEL, 1837)
• Coelognathus helena (DAUDIN, 1803)
• Coelognathus radiatus (BOIE, 1827)
• Coelognathus subradiatus (SCHLEGEL, 1837)
• Coleodactylus septentrionalis VANZOLINI, 1980
• Coleonyx elegans GRAY, 1845
• Coleonyx nemoralis KLAUBER, 1945
• Collorhabdium williamsoni SMEDLEY, 1932
• Coluber constrictor LINNAEUS, 1758
• Colubroelaps nguyenvansangi ORLOV, KHARIN, ANANJEVA, NGUYEN & NGUYEN, 2009
• Compsophis albiventris MOCQUARD, 1894
• Compsophis boulengeri (PERACCA, 1892)
• Compsophis coulangesi (DOMERGUE, 1988)
• Compsophis infralineatus (GÜNTHER, 1882)
• Compsophis vinckei (DOMERGUE, 1988)
• Concinnia ampla (COVACEVICH & MCDONALD, 1980)
• Concinnia queenslandiae (DE VIS, 1890)
• Concinnia tigrina (DE VIS, 1888)
• Coniophanes alvarezi CAMPBELL, 1989
• Coniophanes bipunctatus (GÜNTHER, 1858)
• Coniophanes dromiciformis (PETERS, 1863)
• Coniophanes fissidens (GÜNTHER, 1858)
• Coniophanes imperialis (BAIRD & GIRARD, 1859)
• Coniophanes joanae MYERS, 1966
• Coniophanes lateritius COPE, 1862
• Coniophanes longinquus CADLE, 1989
• Coniophanes melanocephalus (PETERS, 1870)
• Coniophanes meridanus SCHMIDT & ANDREWS, 1936
• Coniophanes piceivittis COPE, 1870
• Coniophanes quinquevittatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Coniophanes schmidti BAILEY, 1937
• Coniophanes taylori HALL, 1951
• Conolophus marthae GENTILE & SNELL, 2009
• Conolophus pallidus HELLER, 1903
• Conolophus subcristatus (GRAY, 1831)
• Conophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Conophis morai PÉREZ-HIGAREDA, LÓPEZ-LUNA & SMITH, 2002
• Conophis vittatus PETERS, 1860
• Conopsis acuta (COPE, 1886)
• Conopsis amphisticha (SMITH & LAUFE, 1945)
• Conopsis biserialis (TAYLOR & SMITH, 1942)
• Conopsis lineata (KENNICOTT, 1859)
• Conopsis megalodon (TAYLOR & SMITH, 1942)
• Conopsis nasus (GÜNTHER, 1858)
• Contia longicauda FELDMAN & HOYER, 2010
• Contia tenuis (BAIRD & GIRARD, 1852)
• Corallus annulatus (COPE, 1875)
• Corallus batesii (GRAY, 1860)
• Corallus blombergi (RENDAHL & VESTERGREN, 1940)
• Corallus caninus (LINNAEUS, 1758)
• Corallus cookii GRAY, 1842
• Corallus cropanii (HOGE, 1953)
• Corallus grenadensis (BARBOUR, 1914)
• Corallus hortulana (LINNAEUS, 1758)
• Corallus ruschenbergerii (COPE, 1875)
• Cordylus tropidosternum (COPE, 1869)
• Coronelaps lepidus (REINHARDT, 1861)
• Coronella austriaca LAURENTI, 1768
• Coronella girondica (DAUDIN, 1803)
• Correlophus ciliatus GUICHENOT, 1866
• Corucia zebrata GRAY, 1855
• Corytophanes cristatus (MERREM, 1820)
• Corytophanes hernandesii (DEPPE, 1830)
• Craspedocephalus andalasensis (DAVID, VOGEL, VIJAYAKUMAR & VIDAL, 2006)
• Craspedocephalus borneensis (PETERS, 1872)
• Craspedocephalus brongersmai (HOGE, 1969)
• Craspedocephalus gramineus (SHAW, 1802)
• Craspedocephalus macrolepis (BEDDOME, 1862)
• Craspedocephalus malabaricus (JERDON, 1854)
• Craspedocephalus puniceus (BOIE, 1827)
• Craspedocephalus strigatus (GRAY, 1842)
• Craspedocephalus trigonocephalus (DONNDORFF, 1798)
• Craspedocephalus wiroti (TRUTNAU, 1981)
• Crisantophis nevermanni (DUNN, 1937)
• Crocodylus acutus CUVIER, 1807
• Crocodylus intermedius GRAVES, 1819
• Crocodylus johnstoni KREFFT, 1873
• Crocodylus moreletii DUMÉRIL & BIBRON, 1851
• Crocodylus niloticus LAURENTI, 1768
• Crocodylus palustris LESSON, 1831
• Crocodylus rhombifer CUVIER, 1807
• Crossobamon eversmanni (WIEGMANN, 1834)
• Crotalus adamanteus PALISOT DE BEAUVOIS, 1799
• Crotalus aquilus KLAUBER, 1952
• Crotalus atrox BAIRD & GIRARD, 1853
• Crotalus basiliscus (COPE, 1864)
• Crotalus brunneus HARRIS & SIMMONS, 1978
• Crotalus catalinensis CLIFF, 1954
• Crotalus cerastes HALLOWELL, 1854
• Crotalus cerberus (COUES, 1875)
• Crotalus concolor WOODBURY, 1929
• Crotalus culminatus KLAUBER, 1952
• Crotalus durissus LINNAEUS, 1758
• Crotalus enyo (COPE, 1861)
• Crotalus ericsmithi CAMPBELL & FLORES-VILLELA, 2008
• Crotalus estebanensis KLAUBER, 1949
• Crotalus exiguus CAMPBELL & ARMSTRONG, 1979
• Crotalus helleri MEEK, 1905
• Crotalus horridus LINNAEUS, 1758
• Crotalus intermedius TROSCHEL, 1865
• Crotalus lannomi TANNER, 1966
• Crotalus lepidus (KENNICOTT, 1861)
• Crotalus lutosus KLAUBER, 1930
• Crotalus mitchellii (COPE, 1861)
• Crotalus molossus BAIRD & GIRARD, 1853
• Crotalus oreganus HOLBROOK, 1840
• Crotalus ornatus HALLOWELL, 1854
• Crotalus polystictus (COPE, 1865)
• Crotalus pricei VAN DENBURGH, 1895
• Crotalus pusillus KLAUBER, 1952
• Crotalus ravus COPE, 1865
• Crotalus ruber COPE, 1892
• Crotalus scutulatus (KENNICOTT, 1861)
• Crotalus simus LATREILLE, 1801
• Crotalus stejnegeri DUNN, 1919
• Crotalus stephensi KLAUBER, 1930
• Crotalus tancitarensis ALVARADO-DÍAZ & CAMPBELL, 2004
• Crotalus tigris KENNICOTT, 1859
• Crotalus totonacus GLOYD & KAUFFELD, 1940
• Crotalus transversus TAYLOR, 1944
• Crotalus triseriatus (WAGLER, 1830)
• Crotalus tzabcan KLAUBER, 1952
• Crotalus unicolor LIDTH DE JEUDE, 1887
• Crotalus vegrandis KLAUBER, 1941
• Crotalus viridis (RAFINESQUE, 1818)
• Crotalus willardi MEEK, 1905
• Crotaphopeltis barotseensis BROADLEY, 1968
• Crotaphopeltis braestrupi RASMUSSEN, 1985
• Crotaphopeltis degeni (BOULENGER, 1906)
• Crotaphopeltis hippocrepis (REINHARDT, 1843)
• Crotaphopeltis hotamboeia (LAURENTI, 1768)
• Crotaphopeltis tornieri (WERNER, 1908)
• Crotaphytus collaris (SAY, 1822)
• Cryophis hallbergi BOGERT & DUELLMAN, 1963
• Cryptactites peringueyi (BOULENGER, 1910)
• Cryptophis boschmai (BRONGERSMA & KNAAP VAN MEEUWEN, 1964)
• Cryptophis incredibilis (WELLS & WELLINGTON, 1985)
• Cryptophis nigrescens (GÜNTHER, 1862)
• Cryptophis nigrostriatus (KREFFT, 1864)
• Cryptophis pallidiceps (GÜNTHER, 1858)
• Ctenosaura acanthura (SHAW, 1802)
• Ctenosaura bakeri STEJNEGER, 1901
• Ctenosaura clarki BAILEY, 1928
• Ctenosaura conspicuosa DICKERSON, 1919
• Ctenosaura flavidorsalis KÖHLER & KLEMMER, 1994
• Ctenosaura hemilopha (COPE, 1863)
• Ctenosaura macrolopha SMITH, 1972
• Ctenosaura melanosterna BUCKLEY & AXTELL, 1997
• Ctenosaura nolascensis SMITH, 1972
• Ctenosaura oaxacana KÖHLER & HASBUN, 2001
• Ctenosaura oedirhina DE QUEIROZ, 1987
• Ctenosaura palearis STEJNEGER, 1899
• Ctenosaura pectinata (WIEGMANN, 1834)
• Ctenosaura quinquecarinata (GRAY, 1842)
• Ctenosaura similis (GRAY, 1831)
• Ctenotus duricola STORR, 1975
• Ctenotus piankai STORR, 1969
• Ctenotus rhabdotus RABOSKY & DOUGHTY, 2017
• Ctenotus serventyi STORR, 1975
• Ctenotus zastictus STORR, 1984
• Cubatyphlops biminiensis (RICHMOND, 1955)
• Cubatyphlops caymanensis (SACKETT, 1940)
• Cubatyphlops epactius (THOMAS, 1968)
• Cubophis cantherigerus (BIBRON, 1843)
• Cubophis caymanus (GARMAN, 1887)
• Cubophis fuscicauda (GARMAN, 1888)
• Cubophis ruttyi (GRANT, 1941)
• Cubophis vudii (COPE, 1862)
• Cuora amboinensis (DAUDIN, 1801)
• Cuora aurocapitata LUO & ZONG, 1988
• Cuora bourreti OBST & REIMANN, 1994
• Cuora couro (SCHWEIGGER, 1812)
• Cuora cyclornata BLANCK, MCCORD & LE MINH, 2006
• Cuora flavomarginata (GRAY, 1863)
• Cuora galbinifrons BOURRET, 1939
• Cuora lineata MCCORD & PHILIPPEN, 1998
• Cuora mccordi ERNST, 1988
• Cuora mouhotii (GRAY, 1862)
• Cuora pani SONG, 1984
• Cuora philippinensis BLANCK, GAILLARD, PROTIVA, WHEATLEY, SHI, LIU, RAY & ANDERS, 2023
• Cuora picturata LEHR, FRITZ & OBST, 1998
• Cuora trifasciata (BELL, 1825)
• Cuora yunnanensis (BOULENGER, 1906)
• Cuora zhoui ZHAO, ZHOU & YE, 1990
• Cyclanorbis elegans (GRAY, 1869)
• Cyclanorbis senegalensis (DUMÉRIL & BIBRON, 1835)
• Cyclemys atripons IVERSON & MCCORD, 1997
• Cyclemys dentata (GRAY, 1831)
• Cyclemys enigmatica FRITZ, GUICKING, AUER, SOMMER, WINK & HUNDSDÖRFER, 2008
• Cyclemys gemeli FRITZ, GUICKING, AUER, SOMMER, WINK & HUNDSDÖRFER, 2008
• Cyclemys oldhamii GRAY, 1863
• Cyclemys pulchristriata FRITZ, GAULKE & LEHR, 1997
• Cyclocorus lineatus (REINHARDT, 1843)
• Cyclocorus nuchalis TAYLOR, 1923
• Cycloderma aubryi (DUMÉRIL, 1856)
• Cycloderma frenatum PETERS, 1854
• Cyclodomorphus casuarinae (DUMÉRIL & BIBRON, 1839)
• Cyclotyphlops deharvengi IN DEN BOSCH & INEICH, 1994
• Cyclura carinata HARLAN, 1824
• Cyclura collei GRAY, 1845
• Cyclura cornuta (BONNATERRE, 1789)
• Cyclura cychlura (CUVIER, 1829)
• Cyclura lewisi GRANT, 1941
• Cyclura nubila (GRAY, 1831)
• Cyclura onchiopsis (COPE, 1885)
• Cyclura pinguis BARBOUR, 1917
• Cyclura ricordii (DUMÉRIL & BIBRON, 1837)
• Cyclura rileyi STEJNEGER, 1903
• Cyclura stejnegeri BARBOUR & NOBLE, 1916
• Cylindrophis boulengeri ROUX, 1911
• Cylindrophis isolepis BOULENGER, 1896
• Cylindrophis lineatus DENNYS, 1880
• Cylindrophis maculatus (LINNAEUS, 1758)
• Cylindrophis melanotus WAGLER, 1828
• Cylindrophis opisthorhodus BOULENGER, 1897
• Cylindrophis ruffus (LAURENTI, 1768)
• Cynisca degrysi (LOVERIDGE, 1941)
• Cynisca feae (BOULENGER, 1906)
• Cynisca gansi DUNGER, 1968
• Cynisca haugi (MOCQUARD, 1904)
• Cynisca kraussi (PETERS, 1878)
• Cynisca leucura (DUMÉRIL & BIBRON, 1839)
• Cynisca liberiensis (BOULENGER, 1879)
• Cynisca muelleri (STRAUCH, 1881)
• Cynisca oligopholis (BOULENGER, 1906)
• Cynisca rouxae HAHN, 1979
• Cynisca schaeferi (STERNFELD, 1912)
• Cynisca williamsi GANS, 1987
• Cyrtodactylus amphipetraeus CHOMDEJ, SUWANNAPOOM, PAWANGKHANANT, PRADIT, NAZAROV, GRISMER & POYARKOV, 2020
• Cyrtodactylus annulatus (TAYLOR, 1915)
• Cyrtodactylus auralensis MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
• Cyrtodactylus aurensis GRISMER, 2005
• Cyrtodactylus badenensis SANG, ORLOV & DAREVSKY, 2006
• Cyrtodactylus baluensis (MOCQUARD, 1890)
• Cyrtodactylus biordinis BROWN & MCCOY, 1980
• Cyrtodactylus condorensis (SMITH, 1921)
• Cyrtodactylus consobrinus (PETERS, 1871)
• Cyrtodactylus cracens BATUWITA & BAHIR, 2005
• Cyrtodactylus darmandvillei (WEBER, 1890)
• Cyrtodactylus deccanensis (GÜNTHER, 1864)
• Cyrtodactylus dumnuii BAUER, KUNYA, SUMONTHA, NIYOMWAN, PAUWELS, CHANHOME & KUNYA, 2010
• Cyrtodactylus eisenmanae NGO VAN TRI, 2008
• Cyrtodactylus elok DRING, 1979
• Cyrtodactylus fasciolatus (BLYTH, 1861)
• Cyrtodactylus fraenatus (GÜNTHER, 1864)
• Cyrtodactylus interdigitalis ULBER, 1993
• Cyrtodactylus jeyporensis (BEDDOME, 1878)
• Cyrtodactylus lateralis (WERNER, 1896)
• Cyrtodactylus lawderanus (STOLICZKA, 1871)
• Cyrtodactylus macrotuberculatus GRISMER & AHMAD, 2008
• Cyrtodactylus majulah GRISMER, WOOD & LIM, 2012
• Cyrtodactylus malayanus (DE ROOIJ, 1915)
• Cyrtodactylus mamanwa WELTON, SILER, LINKEM, DIESMOS & BROWN, 2010
• Cyrtodactylus marmoratus GRAY, 1831
• Cyrtodactylus martini NGO VAN TRI, 2011
• Cyrtodactylus martinstolli (DAREVSKY, HELFENBERGER, ORLOV & SHAH, 1998)
• Cyrtodactylus matsuii HIKIDA, 1990
• Cyrtodactylus mcdonaldi SHEA, COUPER, WILMER & AMEY, 2011
• Cyrtodactylus mimikanus (BOULENGER, 1914)
• Cyrtodactylus montanus AGARWAL, MAHONY, GIRI, CHAITANYA & BAUER, 2018
• Cyrtodactylus nigriocularis SANG, ORLOV & DAREVSKY, 2006
• Cyrtodactylus novaeguineae (SCHLEGEL, 1837)
• Cyrtodactylus oldhami (THEOBALD, 1876)
• Cyrtodactylus papuensis (BRONGERSMA, 1934)
• Cyrtodactylus peguensis (BOULENGER, 1893)
• Cyrtodactylus phongnhakebangensis ZIEGLER, RÖSLER, HERRMANN & THANH, 2003
• Cyrtodactylus puhuensis NGUYEN, YANG, THI LE, NGUYEN, ORLOV, HOANG, NGUYEN, JIN, RAO, HOANG, CHE, MURPHY & ZHANG, 2014
• Cyrtodactylus pulchellus GRAY, 1827
• Cyrtodactylus quadrivirgatus TAYLOR, 1962
• Cyrtodactylus rubidus (BLYTH, 1861)
• Cyrtodactylus rukhadeva GRISMER, SUWANNAPOOM, PAWANGKHANANT, NAZAROV, YUSHCHENKO, NAIDUANGCHAN, LE, LUU & POYARKOV, 2021
• Cyrtodactylus russelli BAUER, 2003
• Cyrtodactylus salomonensis RÖSLER, RICHARDS & GÜNTHER, 2007
• Cyrtodactylus seribuatensis YOUMANS & GRISMER, 2006
• Cyrtodactylus sermowaiensis (DE ROOIJ, 1915)
• Cyrtodactylus speciosus (BEDDOME, 1870)
• Cyrtodactylus spelaeus NAZAROV, POYARKOV, ORLOV, NGUYEN, MILTO, MARTYNOV, KONSTANTINOV & CHULISOV, 2014
• Cyrtodactylus spinosus LINKEM, MCGUIRE, HAYDEN, SETIADI, BICKFORD & BROWN, 2008
• Cyrtodactylus sworderi (SMITH, 1925)
• Cyrtodactylus thirakhupti PAUWELS, BAUER, SUMONTHA & CHANHOME, 2004
• Cyrtodactylus tibetanus (BOULENGER, 1905)
• Cyrtodactylus tigroides BAUER, SUMONTHA & PAUWELS, 2003
• Cyrtodactylus tiomanensis DAS & LIM, 2000
• Cyrtodactylus triedrus (GÜNTHER, 1864)
• Cyrtodactylus tuberculatus (LUCAS & FROST, 1900)
• Cyrtodactylus yakhuna (DERANIYAGALA, 1945)
• Cyrtodactylus zebraicus TAYLOR, 1962
• Cyrtodactylus zhaoermii SHI & ZHAO, 2010
• Daboia mauritanica (GRAY, 1849)
• Daboia palaestinae (WERNER, 1938)
• Daboia russelii (SHAW & NODDER, 1797)
• Daboia siamensis (SMITH, 1917)
• Dactylocnemis pacificus (GRAY, 1842)
• Dalophia angolensis GANS, 1976
• Dalophia ellenbergeri (ANGEL, 1920)
• Dalophia gigantea (PERACCA, 1903)
• Dalophia longicauda (WERNER, 1915)
• Dalophia luluae (DE WITTE & LAURENT, 1942)
• Dalophia pistillum (BOETTGER, 1895)
• Dalophia welwitschii GRAY, 1865
• Darevskia armeniaca (MÉHELY, 1909)
• Darevskia nairensis (DAREVSKY, 1967)
• Darevskia raddei (BOETTGER, 1892)
• Dasypeltis abyssina (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dasypeltis atra STERNFELD, 1912
• Dasypeltis confusa TRAPE & MANÉ, 2006
• Dasypeltis fasciata SMITH, 1849
• Dasypeltis gansi TRAPE & MANÉ, 2006
• Dasypeltis inornata SMITH, 1849
• Dasypeltis medici BIANCONI, 1859
• Dasypeltis palmarum (LEACH, 1818)
• Dasypeltis sahelensis TRAPE & MANÉ, 2006
• Dasypeltis scabra (LINNAEUS, 1758)
• Deinagkistrodon acutus (GÜNTHER, 1888)
• Deirochelys reticularia (LATREILLE, 1801)
• Demansia angusticeps (MACLEAY, 1888)
• Demansia calodera STORR, 1978
• Demansia flagellatio WELLS & WELLINGTON, 1985
• Demansia olivacea (GRAY, 1842)
• Demansia papuensis (MACLEAY, 1877)
• Demansia psammophis (SCHLEGEL, 1837)
• Demansia quaesitor SHEA, 2007
• Demansia reticulata (GRAY, 1842)
• Demansia rimicola SCANLON, 2007
• Demansia rufescens STORR, 1978
• Demansia shinei SHEA, 2007
• Demansia simplex STORR, 1978
• Demansia torquata (GÜNTHER, 1862)
• Demansia vestigiata (DE VIS, 1884)
• Dendrelaphis andamanensis (ANDERSON, 1871)
• Dendrelaphis ashoki VOGEL & VAN ROOIJEN, 2011
• Dendrelaphis bifrenalis (BOULENGER, 1890)
• Dendrelaphis biloreatus WALL, 1908
• Dendrelaphis calligaster (GÜNTHER, 1867)
• Dendrelaphis caudolineatus (GRAY, 1834)
• Dendrelaphis caudolineolatus (GÜNTHER, 1869)
• Dendrelaphis chairecacos (BOIE, 1827)
• Dendrelaphis cyanochloris (WALL, 1921)
• Dendrelaphis flavescens GAULKE, 1994
• Dendrelaphis formosus (BOIE, 1827)
• Dendrelaphis fuliginosus GRIFFIN, 1909
• Dendrelaphis gastrostictus (BOULENGER, 1894)
• Dendrelaphis girii VOGEL & VAN ROOIJEN, 2011
• Dendrelaphis grandoculis (BOULENGER, 1890)
• Dendrelaphis grismeri VOGEL & VAN ROOIJEN, 2008
• Dendrelaphis haasi VAN ROOIJEN & VOGEL, 2008
• Dendrelaphis hollinrakei LAZELL, 2002
• Dendrelaphis humayuni TIWARI & BISWAS, 1973
• Dendrelaphis inornatus BOULENGER, 1897
• Dendrelaphis kopsteini VOGEL & VAN ROOIJEN, 2007
• Dendrelaphis levitoni VAN ROOIJEN & VOGEL, 2012
• Dendrelaphis lorentzii (LIDTH DE JEUDE, 1911)
• Dendrelaphis luzonensis LEVITON, 1961
• Dendrelaphis marenae VOGEL & VAN ROOIJEN, 2008
• Dendrelaphis modestus BOULENGER, 1894
• Dendrelaphis ngansonensis (BOURRET, 1935)
• Dendrelaphis nigroserratus VOGEL, VAN ROOIJEN & HAUSER, 2012
• Dendrelaphis oliveri (TAYLOR, 1950)
• Dendrelaphis papuensis BOULENGER, 1895
• Dendrelaphis philippinensis (GÜNTHER, 1879)
• Dendrelaphis pictus (GMELIN, 1789)
• Dendrelaphis punctulatus (GRAY, 1826)
• Dendrelaphis schokari (KUHL, 1820)
• Dendrelaphis striatus (COHN, 1905)
• Dendrelaphis subocularis (BOULENGER, 1888)
• Dendrelaphis terrificus (PETERS, 1872)
• Dendrelaphis tristis (DAUDIN, 1803)
• Dendrelaphis underwoodi VAN ROOIJEN & VOGEL, 2008
• Dendrelaphis walli VOGEL & VAN ROOIJEN, 2011
• Dendroaspis angusticeps (SMITH, 1849)
• Dendroaspis jamesoni (TRAILL, 1843)
• Dendroaspis polylepis GÜNTHER, 1864
• Dendroaspis viridis (HALLOWELL, 1844)
• Dendrolycus elapoides (GÜNTHER, 1874)
• Dendrophidion apharocybe CADLE, 2012
• Dendrophidion atlantica FREIRE, CARAMASCHI & GONÇALVES, 2010
• Dendrophidion bivittatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dendrophidion boshelli DUNN, 1944
• Dendrophidion brunneum (GÜNTHER, 1858)
• Dendrophidion clarkii DUNN, 1933
• Dendrophidion crybelum CADLE, 2012
• Dendrophidion dendrophis (SCHLEGEL, 1837)
• Dendrophidion graciliverpa CADLE, 2012
• Dendrophidion nuchale (PETERS, 1863)
• Dendrophidion paucicarinatum (COPE, 1894)
• Dendrophidion percarinatum (COPE, 1893)
• Dendrophidion prolixum CADLE, 2012
• Dendrophidion rufiterminorum CADLE & SAVAGE, 2012
• Dendrophidion vinitor SMITH, 1941
• Denisonia devisi (WAITE & LONGMAN, 1920)
• Denisonia maculata (STEINDACHNER, 1867)
• Dermatemys mawii GRAY, 1847
• Dermochelys coriacea (VANDELLI, 1761)
• Diadophis punctatus (LINNAEUS, 1766)
• Diaphorolepis laevis WERNER, 1923
• Diaphorolepis wagneri JAN, 1863
• Dibernardia affinis (GÜNTHER, 1858)
• Dibernardia bilineata (FISCHER, 1885)
• Dibernardia persimilis (COPE, 1869)
• Dibernardia poecilopogon (COPE, 1863)
• Dieurostus dussumieri (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dinodon butleri BOULENGER, 1900
• Dinodon cardamomensis DALTRY & WÜSTER, 2002
• Dinodon fasciatus (ANDERSON, 1879)
• Dinodon flavozonatus (POPE, 1928)
• Dinodon futsingensis (POPE, 1928)
• Dinodon gammiei (BLANFORD, 1878)
• Dinodon gongshan VOGEL & LUO, 2011
• Dinodon liuchengchaoi ZHANG, JIANG, VOGEL & RAO, 2011
• Dinodon multifasciatus (MAKI, 1931)
• Dinodon multizonatus (ZHAO & JIANG, 1981)
• Dinodon rosozonatus (HU & ZHAO, 1972)
• Dinodon rufozonatus CANTOR, 1842
• Dinodon ruhstrati (FISCHER, 1886)
• Dinodon septentrionalis (GÜNTHER, 1875)
• Dinodon subcinctus BOIE, 1827
• Dinodon synaptor VOGEL & DAVID, 2010
• Diplodactylus barraganae COUPER, OLIVER & PEPPER, 2014
• Diplolaemus sexcinctus CEI, SCOLARO & VIDELA, 2003
• Diplometopon zarudnyi NIKOLSKY, 1907
• Dipsadoboa aulica (GÜNTHER, 1864)
• Dipsadoboa brevirostris (STERNFELD, 1908)
• Dipsadoboa duchesnii (BOULENGER, 1901)
• Dipsadoboa flavida (BROADLEY & STEVENS, 1971)
• Dipsadoboa kageleri UTHMÖLLER, 1939
• Dipsadoboa montisilva BRANCH, CONRADIE & TOLLEY, 2019
• Dipsadoboa shrevei (LOVERIDGE, 1932)
• Dipsadoboa underwoodi RASMUSSEN, 1993
• Dipsadoboa unicolor GÜNTHER, 1858
• Dipsadoboa viridis (PETERS, 1869)
• Dipsadoboa weileri (LINDHOLM, 1905)
• Dipsadoboa werneri (BOULENGER, 1897)
• Dipsas albifrons (SAUVAGE, 1884)
• Dipsas alternans (FISCHER, 1885)
• Dipsas andiana (BOULENGER, 1896)
• Dipsas articulata (COPE, 1868)
• Dipsas bicolor (GÜNTHER, 1895)
• Dipsas brevifacies (COPE, 1866)
• Dipsas bucephala (SHAW, 1802)
• Dipsas catesbyi (SENTZEN, 1796)
• Dipsas chaparensis REYNOLDS & FOSTER, 1992
• Dipsas copei (GÜNTHER, 1872)
• Dipsas elegans (BOULENGER, 1896)
• Dipsas ellipsifera (BOULENGER, 1898)
• Dipsas gaigeae (OLIVER, 1937)
• Dipsas gracilis (BOULENGER, 1902)
• Dipsas indica LAURENTI, 1768
• Dipsas jamespetersi (ORCÉS & ALMENDÁRIZ, 1989)
• Dipsas lavillai (SCROCCHI, PORTO & REY, 1993)
• Dipsas maxillaris (WERNER, 1910)
• Dipsas mikanii SCHLEGEL, 1837
• Dipsas neuwiedi (IHERING, 1911)
• Dipsas nicholsi (DUNN, 1933)
• Dipsas oligozonata (ORCÉS & ALMENDÁRIZ, 1989)
• Dipsas oneilli (ROSSMAN & THOMAS, 1979)
• Dipsas oreas (COPE, 1868)
• Dipsas pakaraima MACCULLOCH & LATHROP, 2004
• Dipsas pavonina SCHLEGEL, 1837
• Dipsas peruana (BOETTGER, 1898)
• Dipsas praeornata (WERNER, 1909)
• Dipsas pratti (BOULENGER, 1897)
• Dipsas sanctijoannis (BOULENGER, 1911)
• Dipsas sazimai FERNANDES, MARQUES & ARGÔLO, 2010
• Dipsas schunkii (BOULENGER, 1908)
• Dipsas temporalis (WERNER, 1909)
• Dipsas tenuissima TAYLOR, 1954
• Dipsas trinitatis PARKER, 1926
• Dipsas turgida (COPE, 1868)
• Dipsas vagrans (DUNN, 1923)
• Dipsas variegata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dipsas ventrimaculata (BOULENGER, 1885)
• Dipsas vermiculata PETERS, 1960
• Dipsas viguieri (BOCOURT, 1884)
• Dipsas williamsi (CARILLO DE ESPINOZA, 1974)
• Dipsina multimaculata (SMITH, 1847)
• Dipsosaurus catalinensis VAN DENBURGH, 1922
• Dipsosaurus dorsalis (BAIRD & GIRARD, 1852)
• Dispholidus typus (SMITH, 1828)
• Ditaxodon taeniatus (PETERS, 1868)
• Ditypophis vivax GÜNTHER, 1881
• Dixonius melanostictus (TAYLOR, 1962)
• Dixonius siamensis (BOULENGER, 1899)
• Djokoiskandarus annulata (DE JONG, 1926)
• Dogania subplana (GEOFFROY SAINT-HILAIRE, 1809)
• Dolichophis andreanus (WERNER, 1917)
• Dolichophis caspius (GMELIN, 1789)
• Dolichophis jugularis (LINNAEUS, 1758)
• Dolichophis schmidti (NIKOLSKY, 1909)
• Draco guentheri BOULENGER, 1885
• Dravidogecko douglasadamsi CHAITANYA, GIRI, DEEPAK, DATTA-ROY, MURTHY & KARANTH, 2019
• Drepanoides anomalus (JAN, 1863)
• Dromicodryas bernieri (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dromicodryas quadrilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Drymarchon caudomaculatus WÜSTER, YRAUSQUIN & MIJARES-URRUTIA, 2001
• Drymarchon corais (BOIE, 1827)
• Drymarchon couperi (HOLBROOK, 1842)
• Drymarchon margaritae ROZE, 1959
• Drymarchon melanurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Drymobius chloroticus (COPE, 1886)
• Drymobius margaritiferus (SCHLEGEL, 1837)
• Drymobius melanotropis (COPE, 1875)
• Drymobius rhombifer (GÜNTHER, 1860)
• Drymoluber brazili (GOMES, 1918)
• Drymoluber dichrous (PETERS, 1863)
• Dryocalamus davisonii (BLANFORD, 1878)
• Dryocalamus nympha (DAUDIN, 1803)
• Dryocalamus subannulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dryocalamus tristrigatus (GÜNTHER, 1858)
• Dryophiops philippina BOULENGER, 1896
• Dryophiops rubescens (GRAY, 1834)
• Dryophylax almae (FRANCO & FERREIRA, 2003)
• Dryophylax ceibae (BAILEY & THOMAS, 2007)
• Dryophylax chaquensis (BERGNA & ÁLVAREZ, 1993)
• Dryophylax chimanta (ROZE, 1958)
• Dryophylax corocoroensis (GORZULA & AYARZAGÜENA, 1996)
• Dryophylax dixoni (BAILEY & THOMAS, 2007)
• Dryophylax duida (MYERS & DONNELLY, 1996)
• Dryophylax gambotensis (PÉREZ-SANTOS & MORENO, 1989)
• Dryophylax hypoconia (COPE, 1860)
• Dryophylax marahuaquensis (GORZULA & AYARZAGÜENA, 1996)
• Dryophylax nattereri (MIKAN, 1820)
• Dryophylax paraguanae (BAILEY & THOMAS, 2007)
• Dryophylax ramonriveroi (MANZANILLA & SÁNCHEZ, 2005)
• Dryophylax yavi (MYERS & DONNELLY, 1996)
• Drysdalia coronoides (GÜNTHER, 1858)
• Drysdalia mastersii (KREFFT, 1866)
• Drysdalia rhodogaster (JAN, 1873)
• Duberria atriventris (STERNFELD, 1912)
• Duberria lutrix (LINNAEUS, 1758)
• Duberria shirana (BOULENGER, 1894)
• Duberria variegata (PETERS, 1854)
• Ebenavia inunguis BOETTGER, 1878
• Echinanthera cephalomaculata DI BERNARDO, 1994
• Echinanthera cephalostriata DI BERNARDO, 1996
• Echinanthera cyanopleura (COPE, 1885)
• Echinanthera melanostigma (WAGLER, 1824)
• Echinanthera undulata (WIED-NEUWIED, 1824)
• Echiopsis curta (SCHLEGEL, 1837)
• Echis borkini CHERLIN, 1990
• Echis carinatus (SCHNEIDER, 1801)
• Echis coloratus GÜNTHER, 1878
• Echis hughesi CHERLIN, 1990
• Echis jogeri CHERLIN, 1990
• Echis khosatzkii CHERLIN, 1990
• Echis leucogaster ROMAN, 1972
• Echis megalocephalus CHERLIN, 1990
• Echis ocellatus STEMMLER, 1970
• Echis omanensis BABOCSAY, 2004
• Echis pyramidum (GEOFFROY SAINT-HILAIRE, 1827)
• Ecpleopus gaudichaudii DUMÉRIL & BIBRON, 1839
• Egernia cunninghami (GRAY, 1832)
• Eirenis africanus (BOULENGER, 1914)
• Eirenis aurolineatus (VENZMER, 1919)
• Eirenis barani SCHMIDTLER, 1988
• Eirenis collaris (MÉNÉTRIES, 1832)
• Eirenis coronella (SCHLEGEL, 1837)
• Eirenis coronelloides (JAN, 1862)
• Eirenis decemlineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Eirenis eiselti SCHMIDTLER & SCHMIDTLER, 1978
• Eirenis kermanensis RAJABIZADEH, SCHMIDTLER, ORLOV & SOLEIMANI, 2012
• Eirenis levantinus SCHMIDTLER, 1993
• Eirenis lineomaculatus SCHMIDT, 1939
• Eirenis medus (CHERNOV, 1940)
• Eirenis modestus (MARTIN, 1838)
• Eirenis persicus (ANDERSON, 1872)
• Eirenis punctatolineatus (BOETTGER, 1892)
• Eirenis rechingeri EISELT, 1971
• Eirenis rothii JAN, 1863
• Eirenis thospitis SCHMIDTLER & LANZA, 1990
• Elaiophis inornatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Elaphe anomala (BOULENGER, 1916)
• Elaphe bimaculata SCHMIDT, 1925
• Elaphe cantoris (BOULENGER, 1894)
• Elaphe carinata (GÜNTHER, 1864)
• Elaphe climacophora (BOIE, 1826)
• Elaphe davidi (SAUVAGE, 1884)
• Elaphe dione (PALLAS, 1773)
• Elaphe hodgsonii (GÜNTHER, 1860)
• Elaphe moellendorffi (BOETTGER, 1886)
• Elaphe quadrivirgata (BOIE, 1826)
• Elaphe quatuorlineata (LACÉPÈDE, 1789)
• Elaphe sauromates (PALLAS, 1811)
• Elaphe schrenckii STRAUCH, 1873
• Elaphe taeniura COPE, 1861
• Elaphe urartica JABLONSKI, KUKUSHKIN, AVCI, BUNYATOVA, ILGAZ, TUNIYEV & JANDZIK, 2019
• Elaphe zoigeensis HUANG, DING, BURBRINK, YANG, HUANG, LING, CHEN & ZHANG, 2012
• Elapognathus coronatus (SCHLEGEL, 1837)
• Elapognathus minor (GÜNTHER, 1863)
• Elapoidis fusca (BOIE, 1827)
• Elapomorphus quinquelineatus (RADDI, 1820)
• Elapomorphus wuchereri GÜNTHER, 1861
• Elapotinus picteti JAN, 1862
• Elapsoidea boulengeri BOETTGER, 1895
• Elapsoidea broadleyi JAKOBSEN, 1997
• Elapsoidea chelazziorum LANZA, 1979
• Elapsoidea guentherii BOCAGE, 1866
• Elapsoidea laticincta (WERNER, 1919)
• Elapsoidea loveridgei PARKER, 1949
• Elapsoidea nigra GÜNTHER, 1888
• Elapsoidea semiannulata BOCAGE, 1882
• Elapsoidea sundevallii SMITH, 1848
• Elapsoidea trapei MANÉ, 1999
• Elseya albagula THOMSON, GEORGES & LIMPUS, 2006
• Elseya branderhorsti (OUWENS, 1914)
• Elseya dentata (GRAY, 1863)
• Elseya flaviventralis THOMSON & GEORGES, 2016
• Elseya irwini CANN, 1997
• Elseya lavarackorum (WHITE & ARCHER, 1994)
• Elseya novaeguineae (MEYER, 1874)
• Elseya schultzei (VOGT, 1911)
• Elusor macrurus CANN & LEGLER, 1994
• Emmochliophis fugleri FRITTS & SMITH, 1969
• Emmochliophis miops (BOULENGER, 1898)
• Emoia atrocostata (LESSON, 1829)
• Emoia kordoana (MEYER, 1874)
• Emoia laobaoensis BOURRET, 1937
• Emoia lawesii (GÜNTHER, 1874)
• Emydocephalus annulatus KREFFT, 1869
• Emydocephalus ijimae STEJNEGER, 1898
• Emydoidea blandingii (HOLBROOK, 1838)
• Emydura australis (GRAY, 1841)
• Emydura macquarii (GRAY, 1830)
• Emydura subglobosa (KREFFT, 1876)
• Emydura tanybaraga CANN, 1997
• Emys orbicularis (LINNAEUS, 1758)
• Emys trinacris FRITZ, FATTIZZO, GUICKING, TRIPEPI, PENNISI, LENK, JOGER & WINK, 2005
• Enhydris chanardi MURPHY & VORIS, 2005
• Enhydris enhydris (SCHNEIDER, 1799)
• Enhydris jagorii (PETERS, 1863)
• Enhydris longicauda (BOURRET, 1934)
• Enhydris subtaeniata (BOURRET, 1934)
• Enuliophis sclateri (BOULENGER, 1894)
• Enulius bifoveatus MCCRANIE & KÖHLER, 1999
• Enulius flavitorques (COPE, 1868)
• Enulius oligostichus SMITH, ARNDT & SHERBROOK, 1967
• Enulius roatanensis MCCRANIE & KÖHLER, 1999
• Enyalius brasiliensis (LESSON, 1829)
• Epacrophis boulengeri (BOETTGER, 1913)
• Epacrophis drewesi (WALLACH, 1996)
• Epacrophis reticulatus (BOULENGER, 1906)
• Ephalophis greyae SMITH, 1931
• Epicrates alvarezi ABALOS, BAEZ & NADER, 1964
• Epicrates assisi MACHADO, 1944
• Epicrates cenchria (LINNAEUS, 1758)
• Epicrates crassus COPE, 1862
• Epicrates maurus GRAY, 1849
• Epictia albifrons (WAGLER, 1824)
• Epictia albipuncta (BURMEISTER, 1861)
• Epictia alfredschmidti (LEHR, WALLACH, KÖHLER & AGUILAR, 2002)
• Epictia ater (TAYLOR, 1940)
• Epictia australis (FREIBERG & OREJAS-MIRANDA, 1968)
• Epictia bakewelli (OLIVER, 1937)
• Epictia borapeliotes (VANZOLINI, 1996)
• Epictia columbi (KLAUBER, 1939)
• Epictia diaplocia (OREJAS-MIRANDA, 1969)
• Epictia goudotii (DUMÉRIL & BIBRON, 1844)
• Epictia guayaquilensis (OREJAS-MIRANDA & PETERS, 1970)
• Epictia magnamaculata (TAYLOR, 1940)
• Epictia munoai (OREJAS-MIRANDA, 1961)
• Epictia phenops (COPE, 1875)
• Epictia signata (JAN, 1861)
• Epictia striatula (SMITH & LAUFE, 1945)
• Epictia subcrotilla (KLAUBER, 1939)
• Epictia teaguei (OREJAS-MIRANDA, 1964)
• Epictia tenella (KLAUBER, 1939)
• Epictia tesselata (TSCHUDI, 1845)
• Epictia undecimstriata (SCHLEGEL, 1839)
• Epictia vellardi (LAURENT, 1984)
• Epictia wynni WALLACH, 2016
• Eremias acutirostris (BOULENGER, 1887)
• Eretmochelys imbricata (LINNAEUS, 1766)
• Eristicophis macmahoni ALCOCK & FINN, 1897
• Erpeton tentaculatum LACÉPÈDE, 1800
• Erymnochelys madagascariensis (GRANDIDIER, 1867)
• Erythrolamprus aesculapii (LINNAEUS, 1758)
• Erythrolamprus albertguentheri (GRAZZIOTIN, ZAHER, MURPHY, SCROCCHI, BENAVIDES, ZHANG & BONATTO, 2012)
• Erythrolamprus albiventris (JAN, 1863)
• Erythrolamprus almadensis (WAGLER, 1824)
• Erythrolamprus andinus (DIXON, 1983)
• Erythrolamprus atraventer (DIXON & THOMAS, 1985)
• Erythrolamprus bizona JAN, 1863
• Erythrolamprus breviceps (COPE, 1860)
• Erythrolamprus ceii (DIXON, 1991)
• Erythrolamprus cobella (LINNAEUS, 1758)
• Erythrolamprus cursor (LACÉPÈDE, 1789)
• Erythrolamprus dorsocorallinus (ESQUEDA, NATERA, LA MARCA & ILIJA-FISTAR, 2007)
• Erythrolamprus epinephelus (COPE, 1862)
• Erythrolamprus festae (PERACCA, 1897)
• Erythrolamprus fraseri (BOULENGER, 1894)
• Erythrolamprus frenatus (WERNER, 1909)
• Erythrolamprus guentheri GARMAN, 1883
• Erythrolamprus ingeri (ROZE, 1958)
• Erythrolamprus jaegeri (GÜNTHER, 1858)
• Erythrolamprus juliae (COPE, 1879)
• Erythrolamprus lamonae (DUNN, 1944)
• Erythrolamprus macrosomus (AMARAL, 1936)
• Erythrolamprus maryellenae (DIXON, 1985)
• Erythrolamprus melanotus (SHAW, 1802)
• Erythrolamprus mertensi (ROZE, 1964)
• Erythrolamprus miliaris (LINNAEUS, 1758)
• Erythrolamprus mimus (COPE, 1868)
• Erythrolamprus ocellatus PETERS, 1869
• Erythrolamprus oligolepis (BOULENGER, 1905)
• Erythrolamprus ornatus (GARMAN, 1887)
• Erythrolamprus perfuscus (COPE, 1862)
• Erythrolamprus poecilogyrus (WIED-NEUWIED, 1824)
• Erythrolamprus pseudocorallus ROZE, 1959
• Erythrolamprus pyburni (MARKEZICH & DIXON, 1979)
• Erythrolamprus pygmaeus (COPE, 1868)
• Erythrolamprus reginae (LINNAEUS, 1758)
• Erythrolamprus sagittifer (JAN, 1863)
• Erythrolamprus semiaureus (COPE, 1862)
• Erythrolamprus subocularis (BOULENGER, 1902)
• Erythrolamprus taeniogaster (JAN, 1863)
• Erythrolamprus taeniurus (TSCHUDI, 1845)
• Erythrolamprus torrenicola (DONNELLY & MYERS, 1991)
• Erythrolamprus trebbaui (ROZE, 1958)
• Erythrolamprus typhlus (LINNAEUS, 1758)
• Erythrolamprus viridis (GÜNTHER, 1862)
• Erythrolamprus vitti (DIXON, 2000)
• Erythrolamprus williamsi (ROZE, 1958)
• Erythrolamprus zweifeli (ROZE, 1959)
• Eryx borrii LANZA & NISTRI, 2005
• Eryx colubrinus (LINNAEUS, 1758)
• Eryx conicus (SCHNEIDER, 1801)
• Eryx elegans (GRAY, 1849)
• Eryx jaculus (LINNAEUS, 1758)
• Eryx jayakari BOULENGER, 1888
• Eryx johnii (RUSSELL, 1801)
• Eryx miliaris (PALLAS, 1773)
• Eryx muelleri (BOULENGER, 1892)
• Eryx somalicus SCORTECCI, 1939
• Eryx vittatus CHERNOV, 1959
• Eryx whitakeri DAS, 1991
• Etheridgeum pulchrum (WERNER, 1924)
• Eugongylus rufescens (SHAW, 1802)
• Euleptes europaea (GENÉ, 1839)
• Eunectes beniensis DIRKSEN, 2002
• Eunectes deschauenseei DUNN & CONANT, 1936
• Eunectes murinus (LINNAEUS, 1758)
• Eunectes notaeus COPE, 1862
• Euprepiophis conspicillatus (BOIE, 1826)
• Euprepiophis mandarinus (CANTOR, 1842)
• Euprepiophis perlaceus (STEJNEGER, 1929)
• Eurydactylodes symmetricus (ANDERSSON, 1908)
• Eurydactylodes vieillardi (BAVAY, 1869)
• Eurylepis taeniolata BLYTH, 1854
• Eutropis carinata (SCHNEIDER, 1801)
• Eutropis nagarjuni (SHARMA, 1969)
• Exiliboa placata BOGERT, 1968
• Farancia abacura (HOLBROOK, 1836)
• Farancia erytrogramma (PALISOT DE BEAUVOIS, 1802)
• Ferania sieboldii (SCHLEGEL, 1837)
• Ficimia hardyi MENDOZA-QUIJANO & SMITH, 1993
• Ficimia olivacea GRAY, 1849
• Ficimia publia COPE, 1866
• Ficimia ramirezi SMITH & LANGEBARTEL, 1949
• Ficimia ruspator SMITH & TAYLOR, 1941
• Ficimia streckeri TAYLOR, 1931
• Ficimia variegata (GÜNTHER, 1858)
• Fimbrios klossi SMITH, 1921
• Fimbrios smithi ZIEGLER, DAVID, MIRALLES, VAN KIEN & QUANG TRUONG, 2008
• Fordonia leucobalia (SCHLEGEL, 1837)
• Fowlea asperrima (BOULENGER, 1891)
• Fowlea flavipunctata (HALLOWELL, 1860)
• Fowlea melanzosta (GRAVENHORST, 1807)
• Fowlea piscator (SCHNEIDER, 1799)
• Fowlea punctulata (GÜNTHER, 1858)
• Fowlea sanctijohannis (BOULENGER, 1890)
• Fowlea schnurrenbergeri (KRAMER, 1977)
• Fowlea tytleri (BLYTH, 1863)
• Fowlea yunnanensis (ANDERSON, 1879)
• Furina barnardi (KINGHORN, 1939)
• Furina diadema (SCHLEGEL, 1837)
• Furina dunmalli (WORRELL, 1955)
• Furina ornata (GRAY, 1842)
• Furina tristis (GÜNTHER, 1858)
• Galvarinus attenuatus WALKER, 1945
• Galvarinus chilensis (SCHLEGEL, 1837)
• Garthia gaudichaudii (DUMÉRIL & BIBRON, 1836)
• Garthius chaseni (SMITH, 1931)
• Gastropholis echinata (COPE, 1862)
• Gastropholis tropidopholis (BOULENGER, 1916)
• Gavialis gangeticus (GMELIN, 1789)
• Geagras redimitus COPE, 1875
• Gehyra mutilata (WIEGMANN, 1834)
• Gehyra variegata (DUMÉRIL & BIBRON, 1836)
• Gekko brooksii BOULENGER, 1920
• Gekko browni (RUSSELL, 1979)
• Gekko iskandari (BROWN, SUPRIATNA & OTA, 2000)
• Gekko monarchus (SCHLEGEL, 1836)
• Geocalamus acutus STERNFELD, 1912
• Geocalamus modestus GÜNTHER, 1880
• Geochelone elegans (SCHOEPFF, 1795)
• Geochelone platynota (BLYTH, 1863)
• Geoclemys hamiltonii (GRAY, 1831)
• Geoemyda japonica FAN, 1931
• Geoemyda spengleri (GMELIN, 1789)
• Geophis annuliferus (BOULENGER, 1894)
• Geophis anocularis DUNN, 1920
• Geophis bellus MYERS, 2003
• Geophis betaniensis RESTREPO & WRIGHT, 1987
• Geophis bicolor GÜNTHER, 1868
• Geophis blanchardi TAYLOR & SMITH, 1939
• Geophis brachycephalus (COPE, 1871)
• Geophis carinosus STUART, 1941
• Geophis chalybeus (WAGLER, 1830)
• Geophis championi BOULENGER, 1894
• Geophis damiani WILSON, MCCRANIE & WILLIAMS, 1998
• Geophis downsi SAVAGE, 1981
• Geophis dubius (PETERS, 1861)
• Geophis duellmani SMITH & HOLLAND, 1969
• Geophis dugesii BOCOURT, 1883
• Geophis dunni SCHMIDT, 1932
• Geophis fulvoguttatus MERTENS, 1952
• Geophis godmani BOULENGER, 1894
• Geophis hoffmanni (PETERS, 1859)
• Geophis immaculatus DOWNS, 1967
• Geophis isthmicus (BOULENGER, 1894)
• Geophis juarezi NIETO-MONTES DE OCA, 2003
• Geophis juliai PÉREZ-HIGAREDA, SMITH & LÓPEZ-LUNA, 2001
• Geophis laticinctus SMITH & WILLIAMS, 1963
• Geophis laticollaris SMITH, LYNCH & ALTIG, 1965
• Geophis latifrontalis GARMAN, 1883
• Geophis mutitorques (COPE, 1885)
• Geophis nasalis (COPE, 1868)
• Geophis nephodrymus TOWNSEND & WILSON, 2006
• Geophis nigroalbus BOULENGER, 1908
• Geophis occabus PAVÓN-VÁZQUEZ, GARCÍA-VÁZQUEZ, BLANCAS-HERNÁNDEZ & NIETO-MONTES DE OCA, 2011
• Geophis petersii BOULENGER, 1894
• Geophis pyburni CAMPBELL & MURPHY, 1977
• Geophis rhodogaster (COPE, 1868)
• Geophis rostralis (JAN, 1865)
• Geophis ruthveni WERNER, 1925
• Geophis sallaei BOULENGER, 1894
• Geophis sanniolus (COPE, 1866)
• Geophis sartorii (COPE, 1863)
• Geophis semidoliatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Geophis sieboldi (JAN, 1862)
• Geophis talamancae LIPS & SAVAGE, 1994
• Geophis tarascae HARTWEG, 1959
• Geophis zeledoni TAYLOR, 1954
• Gerarda prevostiana (EYDOUX & GERVAIS, 1837)
• Gerrhonotus liocephalus WIEGMANN, 1828
• Gerrhopilus ater (SCHLEGEL, 1839)
• Gerrhopilus beddomii (BOULENGER, 1890)
• Gerrhopilus bisubocularis (BOETTGER, 1893)
• Gerrhopilus depressiceps (STERNFELD, 1913)
• Gerrhopilus floweri (BOULENGER, 1899)
• Gerrhopilus fredparkeri (WALLACH, 1996)
• Gerrhopilus hedraeus (SAVAGE, 1950)
• Gerrhopilus inornatus (BOULENGER, 1888)
• Gerrhopilus mcdowelli (WALLACH, 1996)
• Gerrhopilus mirus (JAN, 1860)
• Gerrhopilus oligolepis (WALL, 1909)
• Gerrhopilus thurstoni (BOETTGER, 1890)
• Gerrhopilus tindalli (SMITH, 1943)
• Glaphyromorphus arnhemicus STORR, 1967
• Glaphyromorphus crassicaudus (DUMÉRIL & DUMÉRIL, 1851)
• Gloydius blomhoffii (BOIE, 1826)
• Gloydius brevicaudus (STEJNEGER, 1907)
• Gloydius caraganus (EICHWALD, 1831)
• Gloydius caucasicus (NIKOLSKY, 1916)
• Gloydius chambensis KUTTALAM, SANTRA, OWENS, SELVAN, MUKHERJEE, GRAHAM, TOGRIDOU, BHARTI, SHI, SHANKER & MALHOTRA, 2022
• Gloydius changdaoensis LI, 1999
• Gloydius cognatus (GLOYD, 1977)
• Gloydius halys (PALLAS, 1776)
• Gloydius himalayanus (GÜNTHER, 1864)
• Gloydius intermedius (STRAUCH, 1868)
• Gloydius monticola (WERNER, 1922)
• Gloydius qinlingensis (SONG & CHEN, 1985)
• Gloydius shedaoensis (ZHAO, 1979)
• Gloydius strauchi (BEDRIAGA, 1912)
• Gloydius tsushimaensis (ISOGAWA, MORIYA & MITSUI, 1994)
• Gloydius ussuriensis (EMELIANOV, 1929)
• Glyptemys insculpta (LE CONTE, 1830)
• Glyptemys muhlenbergii (SCHOEPFF, 1801)
• Goggia braacki (GOOD, BAUER & BRANCH, 1996)
• Goggia essexi (HEWITT, 1925)
• Goggia gemmula (BAUER, BRANCH & GOOD, 1996)
• Goggia hewitti (BRANCH, BAUER & GOOD, 1995)
• Goggia hexapora (BRANCH, BAUER & GOOD, 1995)
• Goggia incognita HEINICKE, TURK & BAUER, 2017
• Goggia lineata (GRAY, 1838)
• Goggia matzikamaensis HEINICKE, TURK & BAUER, 2017
• Goggia microlepidota (FITZSIMONS, 1939)
• Goggia rupicola (FITZSIMONS, 1938)
• Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)
• Gonatodes ceciliae DONOSO-BARROS, 1966
• Gonatodes humeralis (GUICHENOT, 1855)
• Gonatodes vittatus (LICHTENSTEIN & MARTENS, 1856)
• Gongylosoma baliodeira (BOIE, 1827)
• Gongylosoma calamaria (GÜNTHER, 1858)
• Gongylosoma frenata (GÜNTHER, 1858)
• Gongylosoma longicaudus (PETERS, 1871)
• Gongylosoma mukutense GRISMER, DAS & LEONG, 2003
• Gongylosoma nicobariensis (STOLICZKA, 1870)
• Gongylosoma scriptum (THEOBALD, 1868)
• Gonionotophis brussauxi (MOCQUARD, 1889)
• Gonionotophis grantii (GÜNTHER, 1863)
• Gonionotophis klingi MATSCHIE, 1893
• Gonocephalus bellii (DUMÉRIL & BIBRON, 1837)
• Gonyosoma boulengeri (MOCQUARD, 1897)
• Gonyosoma frenatum (GRAY, 1853)
• Gonyosoma jansenii (BLEEKER, 1859)
• Gonyosoma margaritatum PETERS, 1871
• Gonyosoma oxycephalum (BOIE, 1827)
• Gonyosoma prasinum (BLYTH, 1855)
• Gopherus agassizii (COOPER, 1861)
• Gopherus berlandieri (AGASSIZ, 1857)
• Gopherus evgoodei EDWARDS, KARL, VAUGHN, ROSEN, MELÉNDEZ-TORRES & MURPHY, 2016
• Gopherus flavomarginatus LEGLER, 1959
• Gopherus morafkai MURPHY, BERRY, EDWARDS, LEVITON, LATHROP & RIEDLE, 2011
• Gopherus polyphemus (DAUDIN, 1801)
• Gracililima nyassae (GÜNTHER, 1888)
• Graptemys barbouri CARR & MARCHAND, 1942
• Graptemys caglei HAYNES & MCKOWN, 1974
• Graptemys ernsti LOVICH & MCCOY, 1992
• Graptemys flavimaculata CAGLE, 1954
• Graptemys geographica (LESUEUR, 1817)
• Graptemys gibbonsi LOVICH & MCCOY, 1992
• Graptemys nigrinoda CAGLE, 1954
• Graptemys oculifera (BAUR, 1890)
• Graptemys ouachitensis CAGLE, 1953
• Graptemys pearlensis ENNEN, LOVICH, KREISER, SELMAN & QUALLS, 2010
• Graptemys pseudogeographica (GRAY, 1831)
• Graptemys pulchra BAUR, 1893
• Graptemys sabinensis CAGLE, 1953
• Graptemys versa STEJNEGER, 1925
• Grayia caesar (GÜNTHER, 1863)
• Grayia ornata (BOCAGE, 1866)
• Grayia smithii (LEACH, 1818)
• Grayia tholloni MOCQUARD, 1897
• Grypotyphlops acutus (DUMÉRIL & BIBRON, 1844)
• Gyalopion canum (COPE, 1860)
• Gyalopion quadrangulare (GÜNTHER, 1893)
• Gyiophis maculosus (BLANFORD, 1881)
• Gyiophis vorisi (MURPHY, 2007)
• Gymnodactylus darwinii (GRAY, 1845)
• Gymnophthalmus speciosus (HALLOWELL, 1861)
• Gymnophthalmus underwoodi GRANT, 1958
• Haemodracon riebeckii (PETERS, 1882)
• Haemodracon trachyrhinus (BOULENGER, 1899)
• Haitiophis anomalus (PETERS, 1863)
• Hapsidophrys lineata FISCHER, 1856
• Hapsidophrys principis (BOULENGER, 1906)
• Hapsidophrys smaragdina (SCHLEGEL, 1837)
• Hardella thurjii (GRAY, 1831)
• Harpesaurus tricinctus (DUMÉRIL, 1851)
• Hebius andreae (ZIEGLER & LE KHAC QUYET, 2006)
• Hebius annamensis (BOURRET, 1934)
• Hebius atemporalis (BOURRET, 1934)
• Hebius bitaeniatus (WALL, 1925)
• Hebius boulengeri (GRESSITT, 1937)
• Hebius celebicus (PETERS & DORIA, 1878)
• Hebius chapaensis (BOURRET, 1934)
• Hebius concelarus (MALNATE, 1963)
• Hebius craspedogaster (BOULENGER, 1899)
• Hebius deschauenseei (TAYLOR, 1934)
• Hebius flavifrons (BOULENGER, 1887)
• Hebius frenatus (DUNN, 1923)
• Hebius groundwateri (SMITH, 1922)
• Hebius inas (LAIDLAW, 1901)
• Hebius ishigakiensis (MALNATE & MUNSTERMAN, 1960)
• Hebius johannis (BOULENGER, 1908)
• Hebius kerinciensis (DAVID & DAS, 2003)
• Hebius khasiensis (BOULENGER, 1890)
• Hebius leucomystax (DAVID, BAIN, QUANG TRUONG, ORLOV, VOGEL, NGOC THANH & ZIEGLER, 2007)
• Hebius maximus (MALNATE, 1962)
• Hebius metusia (INGER, ZHAO, SHAFFER & WU, 1990)
• Hebius modestus (GÜNTHER, 1875)
• Hebius nigriventer (WALL, 1925)
• Hebius octolineatus (BOULENGER, 1904)
• Hebius optatus (HU & ZHAO, 1966)
• Hebius parallelus (BOULENGER, 1890)
• Hebius petersii (BOULENGER, 1893)
• Hebius popei (SCHMIDT, 1925)
• Hebius pryeri (BOULENGER, 1887)
• Hebius sanguineus (SMEDLEY, 1932)
• Hebius sarasinorum (BOULENGER, 1896)
• Hebius sarawacensis (GÜNTHER, 1872)
• Hebius sauteri (BOULENGER, 1909)
• Hebius taronensis (SMITH, 1940)
• Hebius venningi (WALL, 1910)
• Hebius vibakari (BOIE, 1826)
• Hebius viperinus (SCHENKEL, 1901)
• Helicops angulatus (LINNAEUS, 1758)
• Helicops carinicaudus (WIED-NEUWIED, 1824)
• Helicops danieli AMARAL, 1938
• Helicops gomesi AMARAL, 1922
• Helicops hagmanni ROUX, 1910
• Helicops infrataeniatus JAN, 1865
• Helicops leopardinus (SCHLEGEL, 1837)
• Helicops modestus GÜNTHER, 1861
• Helicops pastazae SHREVE, 1934
• Helicops petersi ROSSMAN, 1976
• Helicops polylepis GÜNTHER, 1861
• Helicops scalaris JAN, 1865
• Helicops trivittatus (GRAY, 1849)
• Heliobolus nitidus (GÜNTHER, 1872)
• Helminthophis flavoterminatus (PETERS, 1858)
• Helminthophis frontalis (PETERS, 1860)
• Heloderma alvarezi BOGERT & MARTIN DEL CAMPO, 1956
• Heloderma charlesbogerti CAMPBELL & VANNINI, 1988
• Heloderma exasperatum BOGERT & MARTIN DEL CAMPO, 1956
• Heloderma horridum (WIEGMANN, 1829)
• Helophis schoutedeni (DE WITTE, 1942)
• Hemachatus haemachatus (BONNATERRE, 1790)
• Hemerophis socotrae (GÜNTHER, 1881)
• Hemiaspis damelii (GÜNTHER, 1876)
• Hemiaspis signata (JAN, 1859)
• Hemibungarus calligaster (WIEGMANN, 1835)
• Hemidactylus angulatus HALLOWELL, 1854
• Hemidactylus brookii GRAY, 1845
• Hemidactylus frenatus DUMÉRIL & BIBRON, 1836
• Hemidactylus mabouia (MOREAU DE JONNÈS, 1818)
• Hemidactylus palaichthus KLUGE, 1969
• Hemidactylus platycephalus PETERS, 1854
• Hemidactylus turcicus (LINNAEUS, 1758)
• Hemiergis quadrilineatus (DUMÉRIL & BIBRON, 1839)
• Hemirhagerrhis hildebrandtii (PETERS, 1878)
• Hemirhagerrhis kelleri BOETTGER, 1893
• Hemirhagerrhis nototaenia (GÜNTHER, 1864)
• Hemirhagerrhis viperina (BOCAGE, 1873)
• Hemorrhois algirus (JAN, 1863)
• Hemorrhois hippocrepis (LINNAEUS, 1758)
• Hemorrhois nummifer (REUSS, 1834)
• Hemorrhois ravergieri (MÉNÉTRIES, 1832)
• Heosemys annandalii (BOULENGER, 1903)
• Heosemys depressa (ANDERSON, 1875)
• Heosemys grandis (GRAY, 1860)
• Heosemys spinosa (GRAY, 1831)
• Herpetoreas pealii (SCLATER, 1891)
• Herpetoreas platyceps (BLYTH, 1855)
• Herpetoreas sieboldii GÜNTHER, 1860
• Herpetoreas xenura (WALL, 1907)
• Heterodon kennerlyi KENNICOTT, 1860
• Heterodon nasicus BAIRD & GIRARD, 1852
• Heterodon platirhinos LATREILLE, 1801
• Heterodon simus (LINNAEUS, 1766)
• Heteroliodon fohy GLAW, VENCES & NUSSBAUM, 2005
• Heteroliodon lava NUSSBAUM & RAXWORTHY, 2000
• Heteroliodon occipitalis (BOULENGER, 1896)
• Heurnia ventromaculata JONG, 1926
• Hierophis cypriensis (SCHÄTTI, 1985)
• Hierophis gemonensis (LAURENTI, 1768)
• Hierophis viridiflavus (LACÉPÈDE, 1789)
• Holaspis laevis WERNER, 1896
• Holcosus amphigrammus (SMITH & LAUFE, 1945)
• Holcosus chaitzami (STUART, 1942)
• Holcosus festivus (LICHTENSTEIN & MARTENS, 1856)
• Holcosus gaigeae (SMITH & LAUFE, 1946)
• Holcosus hartwegi (SMITH, 1940)
• Holcosus parvus (BARBOUR & NOBLE, 1915)
• Holcosus pulcher (HALLOWELL, 1861)
• Holcosus sinister (SMITH & LAUFE, 1946)
• Holcosus stuarti SMITH, 1940
• Holcosus thomasi (SMITH & LAUFE, 1946)
• Holcosus undulatus (WIEGMANN, 1834)
• Hologerrhum dermali BROWN, LEVITON, FERNER & SISON, 2001
• Hologerrhum philippinum GÜNTHER, 1858
• Homalophis doriae PETERS, 1871
• Homalophis gyii (MURPHY, VORIS & AULIYA, 2005)
• Homalopsis buccata (LINNAEUS, 1758)
• Homalopsis hardwickii GRAY, 1842
• Homalopsis mereljcoxi MURPHY, VORIS, MURTHY, TRAUB & CUMBERBATCH, 2012
• Homalopsis nigroventralis DEUVE, 1970
• Homalopsis semizonata BLYTH, 1855
• Homonota borellii (PERACCA, 1897)
• Homonota darwinii BOULENGER, 1885
• Homonota fasciata (DUMÉRIL & BIBRON, 1836)
• Homonota horrida (BURMEISTER, 1861)
• Homonota rupicola CACCIALI, ÁVILA & BAUER, 2007
• Homonota underwoodi KLUGE, 1964
• Homonota uruguayensis (VAZ-FERREIRA & SIERRA de SORIANO, 1961)
• Homonota whitii BOULENGER, 1885
• Homonota williamsii ÁVILA, PEREZ, MINOLI & MORANDO, 2012
• Homopus areolatus (THUNBERG, 1787)
• Homopus femoralis BOULENGER, 1888
• Homoroselaps dorsalis (SMITH, 1849)
• Homoroselaps lacteus (LINNAEUS, 1758)
• Hoplocephalus bitorquatus (JAN, 1859)
• Hoplocephalus bungaroides (SCHLEGEL, 1837)
• Hoplocephalus stephensii KREFFT, 1869
• Hormonotus modestus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Hydrablabes periops (GÜNTHER, 1872)
• Hydrablabes praefrontalis (MOCQUARD, 1890)
• Hydraethiops laevis BOULENGER, 1904
• Hydraethiops melanogaster GÜNTHER, 1872
• Hydrelaps darwiniensis BOULENGER, 1896
• Hydrodynastes bicinctus (HERMANN, 1804)
• Hydrodynastes gigas (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Hydromedusa maximiliani (MIKAN, 1825)
• Hydromedusa tectifera COPE, 1870
• Hydromorphus concolor PETERS, 1859
• Hydromorphus dunni SLEVIN, 1942
• Hydrophis annandalei (LAIDLAW, 1901)
• Hydrophis anomalus (SCHMIDT, 1852)
• Hydrophis atriceps GÜNTHER, 1864
• Hydrophis belcheri (GRAY, 1849)
• Hydrophis bituberculatus PETERS, 1873
• Hydrophis brookii GÜNTHER, 1872
• Hydrophis caerulescens (SHAW, 1802)
• Hydrophis coggeri (KHARIN, 1984)
• Hydrophis curtus (SHAW, 1802)
• Hydrophis cyanocinctus DAUDIN, 1803
• Hydrophis czeblukovi (KHARIN, 1984)
• Hydrophis donaldi UKUWELA, SANDERS & FRY, 2012
• Hydrophis elegans (GRAY, 1842)
• Hydrophis fasciatus (SCHNEIDER, 1799)
• Hydrophis hardwickii (GRAY, 1834)
• Hydrophis inornatus (GRAY, 1849)
• Hydrophis jerdonii (GRAY, 1849)
• Hydrophis kingii BOULENGER, 1896
• Hydrophis klossi BOULENGER, 1912
• Hydrophis laboutei RASMUSSEN & INEICH, 2000
• Hydrophis lamberti SMITH, 1917
• Hydrophis lapemoides (GRAY, 1849)
• Hydrophis macdowelli KHARIN, 1983
• Hydrophis major (SHAW, 1802)
• Hydrophis mamillaris (DAUDIN, 1803)
• Hydrophis melanocephalus GRAY, 1849
• Hydrophis melanosoma GÜNTHER, 1864
• Hydrophis nigrocinctus DAUDIN, 1803
• Hydrophis obscurus DAUDIN, 1803
• Hydrophis ocellatus GRAY, 1849
• Hydrophis ornatus (GRAY, 1842)
• Hydrophis pacificus BOULENGER, 1896
• Hydrophis peronii (DUMÉRIL, 1853)
• Hydrophis platurus (LINNAEUS, 1766)
• Hydrophis schistosus DAUDIN, 1803
• Hydrophis semperi GARMAN, 1881
• Hydrophis sibauensis RASMUSSEN, AULIYA & BÖHME, 2001
• Hydrophis spiralis (SHAW, 1802)
• Hydrophis stokesii (GRAY, 1846)
• Hydrophis stricticollis GÜNTHER, 1864
• Hydrophis torquatus GÜNTHER, 1864
• Hydrophis viperinus (SCHMIDT, 1852)
• Hydrophis vorisi KHARIN, 1984
• Hydrophis zweifeli (KHARIN, 1985)
• Hydrops caesurus SCROCCHI, FERREIRA, GIRAUDO, ÁVILA & MOTTE, 2005
• Hydrops martii (WAGLER, 1824)
• Hydrops triangularis (WAGLER, 1824)
• Hypnale hypnale (MERREM, 1820)
• Hypnale zara (GRAY, 1849)
• Hypoptophis wilsonii BOULENGER, 1908
• Hypsiglena affinis BOULENGER, 1894
• Hypsiglena chlorophaea COPE, 1860
• Hypsiglena jani (DUGÈS, 1865)
• Hypsiglena ochrorhynchus COPE, 1860
• Hypsiglena slevini TANNER, 1943
• Hypsiglena tanzeri DIXON & LIEB, 1972
• Hypsiglena torquata (GÜNTHER, 1860)
• Hypsirhynchus ater (GOSSE, 1851)
• Hypsirhynchus callilaemus (GOSSE, 1851)
• Hypsirhynchus ferox GÜNTHER, 1858
• Hypsirhynchus funereus (COPE, 1862)
• Hypsirhynchus melanichnus (COPE, 1862)
• Hypsirhynchus parvifrons (COPE, 1862)
• Hypsirhynchus polylepis (BUDEN, 1966)
• Hypsirhynchus scalaris COPE, 1862
• Hypsiscopus matannensis (BOULENGER, 1897)
• Hypsiscopus plumbeus (BOIE, 1827)
• Ialtris agyrtes SCHWARTZ & ROSSMAN, 1976
• Ialtris dorsalis (GÜNTHER, 1858)
• Ialtris haetianus (COCHRAN, 1935)
• Ialtris parishi COCHRAN, 1932
• Ichnotropis grandiceps BROADLEY, 1967
• Iguana delicatissima LAURENTI, 1768
• Iguana iguana (LINNAEUS, 1758)
• Iguanognathus werneri BOULENGER, 1898
• Imantodes cenchoa (LINNAEUS, 1758)
• Imantodes chocoensis TORRES-CARVAJAL, YÁNEZ-MUÑOZ, QUIROLA, SMITH & ALMENDÁRIZ, 2012
• Imantodes gemmistratus (COPE, 1861)
• Imantodes inornatus (BOULENGER, 1896)
• Imantodes lentiferus (COPE, 1894)
• Imantodes phantasma MYERS, 1982
• Imantodes tenuissimus (COPE, 1867)
• Incaspis amaru (ZAHER, ARREDONDO, VALENCIA, ARBELÁEZ, RODRIGUES & ALTAMIRANO-BENAVIDES, 2014)
• Incaspis simonsii (BOULENGER, 1900)
• Incaspis tachymenoides (SCHMIDT & WALKER, 1943)
• Indotestudo elongata (BLYTH, 1854)
• Indotestudo forstenii (SCHLEGEL & MÜLLER, 1844)
• Indotestudo travancorica (BOULENGER, 1907)
• Indotyphlops albiceps (BOULENGER, 1898)
• Indotyphlops braminus (DAUDIN, 1803)
• Indotyphlops filiformis (DUMÉRIL & BIBRON, 1844)
• Indotyphlops jerdoni (BOULENGER, 1890)
• Indotyphlops longissimus (DUMÉRIL & BIBRON, 1844)
• Indotyphlops loveridgei (CONSTABLE, 1949)
• Indotyphlops malcolmi (TAYLOR, 1947)
• Indotyphlops pammeces (GÜNTHER, 1864)
• Indotyphlops schmutzi (AUFFENBERG, 1980)
• Indotyphlops tenuicollis (PETERS, 1864)
• Indotyphlops veddae (TAYLOR, 1947)
• Inyoka swazicus (SCHAEFER, 1970)
• Isanophis boonsongi (TAYLOR & ELBEL, 1958)
• Ithycyphus blanci DOMERGUE, 1988
• Ithycyphus goudoti (SCHLEGEL, 1837)
• Ithycyphus miniatus (SCHLEGEL, 1837)
• Ithycyphus oursi DOMERGUE, 1986
• Ithycyphus perineti DOMERGUE, 1986
• Kinixys belliana GRAY, 1831
• Kinixys erosa (SCHWEIGGER, 1812)
• Kinixys homeana BELL, 1827
• Kinixys lobatsiana (POWER, 1927)
• Kinixys natalensis HEWITT, 1935
• Kinixys nogueyi (LATASTE, 1886)
• Kinixys spekii GRAY, 1863
• Kinixys zombensis HEWITT, 1931
• Kinosternon abaxillare BAUR, 1925
• Kinosternon acutum GRAY, 1831
• Kinosternon alamosae BERRY & LEGLER, 1980
• Kinosternon albogulare (DUMÉRIL & BOCOURT, 1870)
• Kinosternon angustipons LEGLER, 1965
• Kinosternon baurii (GARMAN, 1891)
• Kinosternon chimalhuaca BERRY, SEIDEL & IVERSON, 1997
• Kinosternon cora LOC-BARRAGÁN, REYES-VELASCO, WOOLRICH-PIÑA, GRÜNWALD, VENEGAS DE ANAYA, RANGEL-MENDOZA & LÓPEZ-LUNA, 2020
• Kinosternon creaseri HARTWEG, 1934
• Kinosternon cruentatum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
• Kinosternon dunni SCHMIDT, 1947
• Kinosternon durangoense IVERSON, 1979
• Kinosternon flavescens (AGASSIZ, 1857)
• Kinosternon herrerai STEJNEGER, 1925
• Kinosternon hippocrepis GRAY, 1856
• Kinosternon hirtipes (WAGLER, 1830)
• Kinosternon integrum LE CONTE, 1854
• Kinosternon leucostomum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
• Kinosternon oaxacae BERRY & IVERSON, 1980
• Kinosternon scorpioides (LINNAEUS, 1766)
• Kinosternon sonoriense LE CONTE, 1854
• Kinosternon steindachneri SIEBENROCK, 1906
• Kinosternon stejnegeri HARTWEG, 1938
• Kinosternon subrubrum BONNATERRE, 1789
• Kinosternon vogti LÓPEZ-LUNA, CUPUL-MAGAÑA, ESCOBEDO-GALVÁN, GONZÁLEZ-HERNÁNDEZ, CENTENERO-ALCALÁ, RANGEL-MENDOZA, RAMÍREZ-RAMÍREZ & CAZARES-HERNÁNDEZ, 2018
• Kinyongia multituberculata (NIEDEN, 1913)
• Kladirostratus acutus (GÜNTHER, 1888)
• Kladirostratus togoensis (MATSCHIE, 1893)
• Lacertaspis reichenowii (PETERS, 1874)
• Lacertaspis rohdei (MÜLLER, 1910)
• Lachesis acrochorda (GARCIA, 1896)
• Lachesis melanocephala SOLÓRZANO & CERDAS, 1986
• Lachesis muta (LINNAEUS, 1766)
• Lachesis rhombeata (WIED, 1824)
• Lachesis stenophrys COPE, 1875
• Laemanctus longipes WIEGMANN, 1834
• Laemanctus serratus COPE, 1864
• Lampropeltis abnorma (BOCOURT, 1886)
• Lampropeltis alterna (BROWN, 1901)
• Lampropeltis annulata KENNICOTT, 1860
• Lampropeltis californiae (BLAINVILLE, 1835)
• Lampropeltis calligaster (HARLAN, 1827)
• Lampropeltis elapsoides (HOLBROOK, 1838)
• Lampropeltis extenuata (BROWN, 1890)
• Lampropeltis floridana (BLANCHARD, 1919)
• Lampropeltis gentilis (BAIRD & GIRARD, 1853)
• Lampropeltis getula (LINNAEUS, 1766)
• Lampropeltis holbrooki STEJNEGER, 1902
• Lampropeltis knoblochi TAYLOR, 1940
• Lampropeltis mexicana (GARMAN, 1884)
• Lampropeltis micropholis COPE, 1860
• Lampropeltis nigra (YARROW, 1882)
• Lampropeltis polyzona COPE, 1860
• Lampropeltis pyromelana (COPE, 1866)
• Lampropeltis rhombomaculata (HOLBROOK, 1840)
• Lampropeltis ruthveni BLANCHARD, 1920
• Lampropeltis splendida (BAIRD & GIRARD, 1853)
• Lampropeltis triangulum (LACÉPÈDE, 1789)
• Lampropeltis webbi BRYSON, DIXON & LAZCANO, 2005
• Lampropeltis zonata (LOCKINGTON, 1835)
• Lamprophis aurora (LINNAEUS, 1758)
• Lamprophis fiskii BOULENGER, 1887
• Lamprophis fuscus BOULENGER, 1893
• Langaha alluaudi MOCQUARD, 1901
• Langaha madagascariensis BONATERRE, 1790
• Langaha pseudoalluaudi DOMERGUE, 1988
• Laticauda colubrina (SCHNEIDER, 1799)
• Laticauda crockeri SLEVIN, 1934
• Laticauda frontalis (DE VIS, 1905)
• Laticauda guineai HEATWOLE, BUSACK & COGGER, 2005
• Laticauda laticaudata (LINNAEUS, 1758)
• Laticauda saintgironsi COGGER & HEATWOLE, 2006
• Laticauda semifasciata (REINWARDT, 1837)
• Leiocephalus carinatus GRAY, 1827
• Leioheterodon geayi (MOCQUARD, 1905)
• Leioheterodon madagascariensis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Leioheterodon modestus (GÜNTHER, 1863)
• Leiopython albertisii (PETERS & DORIA, 1878)
• Leiopython fredparkeri SCHLEIP, 2008
• Lepidoblepharis xanthostigma (NOBLE, 1916)
• Lepidochelys kempii GARMAN, 1880
• Lepidochelys olivacea (ESCHSCHOLTZ, 1829)
• Lepidodactylus lugubris (DUMÉRIL & BIBRON, 1836)
• Lepidophyma dontomasi (SMITH, 1942)
• Lepidophyma flavimaculatum DUMÉRIL, 1851
• Lepidophyma lowei BEZY & CAMARILLO, 1997
• Lepidophyma mayae BEZY, 1973
• Lepidophyma radula (SMITH, 1942)
• Lepidophyma smithii BOCOURT, 1876
• Lepidophyma tuxtlae WERLER & SHANNON, 1957
• Leposternon kisteumacheri PORTO, SOARES & CARAMASCHI, 2000
• Leposternon microcephalus WAGLER, 1824
• Leposternon octostegum (DUMÉRIL, 1851)
• Leposternon polystegum (DUMÉRIL, 1851)
• Leposternon scutigerum (HEMPRICH, 1820)
• Leposternon wuchereri (PETERS, 1879)
• Leptodeira annulata (LINNAEUS, 1758)
• Leptodeira ashmeadii (HALLOWELL, 1845)
• Leptodeira bakeri RUTHVEN, 1936
• Leptodeira frenata (COPE, 1886)
• Leptodeira maculata (HALLOWELL, 1861)
• Leptodeira nigrofasciata GÜNTHER, 1868
• Leptodeira ornata (BOCOURT, 1884)
• Leptodeira pulchriceps DUELLMAN, 1958
• Leptodeira punctata (PETERS, 1866)
• Leptodeira rhombifera GÜNTHER, 1872
• Leptodeira rubricata (COPE, 1893)
• Leptodeira septentrionalis (KENNICOTT, 1859)
• Leptodeira splendida GÜNTHER, 1885
• Leptodeira uribei (BAUTISTA & SMITH, 1992)
• Leptodrymus pulcherrimus (COPE, 1874)
• Leptomicrurus collaris (SCHLEGEL, 1837)
• Leptomicrurus narduccii (JAN, 1863)
• Leptomicrurus renjifoi LAMAR, 2003
• Leptomicrurus scutiventris (COPE, 1870)
• Leptophis ahaetulla (LINNAEUS, 1758)
• Leptophis bocourti BOULENGER, 1898
• Leptophis bolivianus OLIVER, 1942
• Leptophis coeruleodorsus OLIVER, 1942
• Leptophis cupreus (COPE, 1868)
• Leptophis depressirostris (COPE, 1861)
• Leptophis diplotropis (GÜNTHER, 1872)
• Leptophis liocercus (WIED, 1824)
• Leptophis marginatus (COPE, 1862)
• Leptophis mexicanus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Leptophis modestus (GÜNTHER, 1872)
• Leptophis nebulosus OLIVER, 1942
• Leptophis nigromarginatus (GÜNTHER, 1866)
• Leptophis occidentalis (GÜNTHER, 1859)
• Leptophis praestans (COPE, 1868)
• Leptophis riveti DESPAX, 1910
• Leptophis stimsoni HARDING, 1995
• Leptophis urostictus (PETERS, 1873)
• Leptotyphlops aethiopicus BROADLEY & WALLACH, 2007
• Leptotyphlops conjunctus (JAN, 1861)
• Leptotyphlops distanti (BOULENGER, 1892)
• Leptotyphlops emini (BOULENGER, 1890)
• Leptotyphlops howelli BROADLEY & WALLACH, 2007
• Leptotyphlops incognitus (BROADLEY & WATSON, 1976)
• Leptotyphlops jacobseni BROADLEY & BROADLEY, 1999
• Leptotyphlops kafubi (BOULENGER, 1919)
• Leptotyphlops keniensis BROADLEY & WALLACH, 2007
• Leptotyphlops latirostris (STERNFELD, 1912)
• Leptotyphlops lepezi (BOULENGER, 1901)
• Leptotyphlops macrops (BROADLEY & WALLACH, 1996)
• Leptotyphlops mbanjensis BROADLEY & WALLACH, 2007
• Leptotyphlops merkeri (WERNER, 1909)
• Leptotyphlops nigricans (SCHLEGEL, 1839)
• Leptotyphlops nigroterminus BROADLEY & WALLACH, 2007
• Leptotyphlops pembae LOVERIDGE, 1941
• Leptotyphlops pitmani BROADLEY & WALLACH, 2007
• Leptotyphlops scutifrons (PETERS, 1854)
• Leptotyphlops sylvicolus BROADLEY & WALLACH, 1997
• Leptotyphlops telloi BROADLEY & WATSON, 1976
• Lepturophis albofuscus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Lerista distinguenda (WERNER, 1910)
• Letheobia acutirostrata (ANDERSSON, 1916)
• Letheobia angeli (GUIBÉ, 1952)
• Letheobia caeca (DUMÉRIL, 1856)
• Letheobia crossii (BOULENGER, 1893)
• Letheobia debilis (JOGER, 1990)
• Letheobia decorosa (BUCHHOLZ & PETERS, 1875)
• Letheobia erythraea (SCORTECCI, 1929)
• Letheobia feae (BOULENGER, 1906)
• Letheobia gracilis (STERNFELD, 1910)
• Letheobia graueri (STERNFELD, 1912)
• Letheobia kibarae (DE WITTE, 1953)
• Letheobia lumbriciformis (PETERS, 1874)
• Letheobia manni (LOVERIDGE, 1941)
• Letheobia newtoni (BOCAGE, 1890)
• Letheobia pallida COPE, 1869
• Letheobia praeocularis (STEJNEGER, 1894)
• Letheobia rufescens (CHABANAUD, 1916)
• Letheobia simoni (BOETTGER, 1879)
• Letheobia somalica (BOULENGER, 1895)
• Letheobia stejnegeri (LOVERIDGE, 1931)
• Letheobia sudanensis (SCHMIDT, 1923)
• Letheobia uluguruensis (BARBOUR & LOVERIDGE, 1928)
• Letheobia wittei (ROUX-ESTÈVE, 1974)
• Letheobia zenkeri (STERNFELD, 1908)
• Leucocephalon yuwonoi (MCCORD, IVERSON & BOEADI, 1995)
• Liasis fuscus PETERS, 1873
• Liasis mackloti DUMÉRIL & BIBRON, 1844
• Liasis olivaceus GRAY, 1842
• Lichanura orcutti STEJNEGER, 1889
• Lichanura trivirgata COPE, 1861
• Lielaphis diehli LINDHOLM, 1905
• Lielaphis guentheri BOULENGER, 1895
• Lielaphis modestus (SCHLEGEL, 1837)
• Limaformosa capensis (SMITH, 1847)
• Limaformosa chanleri (STEJNEGER, 1893)
• Limaformosa crossi (BOULENGER, 1895)
• Limaformosa guirali (MOCQUARD, 1887)
• Limaformosa savorgnani (MOCQUARD, 1887)
• Limaformosa vernayi (BOGERT, 1940)
• Limnophis bangweolicus (MERTENS, 1936)
• Limnophis bicolor GÜNTHER, 1865
• Liodytes alleni (GARMAN, 1874)
• Liodytes rigida (SAY, 1825)
• Lioheterophis iheringi AMARAL, 1935
• Liolaemus atacamensis MÜLLER & HELLMICH, 1933
• Liolaemus audituvelatus (NÚÑEZ & YÁÑEZ, 1983)
• Liolaemus bellii GRAY, 1845
• Liolaemus bibronii (BELL, 1843)
• Liolaemus boulengeri KOSLOWSKY, 1898
• Liolaemus carlosgarini ESQUERRÉ, NÚÑEZ & SCOLARO, 2013
• Liolaemus chacabucoense NUÑEZ & SCOLARO, 2009
• Liolaemus chillanensis MÜLLER & HELLMICH, 1932
• Liolaemus confusus NUNEZ & PINCHEIRA-DONOSO, 2006
• Liolaemus constanzae DONOSO-BARROS, 1961
• Liolaemus cristiani NAVARRO, NÚÑEZ & LOYOLA, 1991
• Liolaemus curicensis MÜLLER & HELLMICH, 1938
• Liolaemus curis NÚÑEZ & LABRA, 1985
• Liolaemus darwinii (BELL, 1843)
• Liolaemus elongatus KOSLOWSKY, 1896
• Liolaemus fabiani YÁÑEZ & NÚÑEZ, 1983
• Liolaemus fuscus BOULENGER, 1885
• Liolaemus gallardoi CEI & SCOLARO, 1982
• Liolaemus gracilis (BELL, 1843)
• Liolaemus gravenhorstii (GRAY, 1845)
• Liolaemus hatcheri STEJNEGER, 1909
• Liolaemus hellmichi DONOSO-BARROS, 1975
• Liolaemus hermannunezi PINCHEIRA-DONOSO, SCOLARO & SCHULTE, 2007
• Liolaemus isabelae NAVARRO & NÚÑEZ, 1993
• Liolaemus kingii (BELL, 1843)
• Liolaemus kolengh ABDALA & LOBO, 2006
• Liolaemus lemniscatus GRAVENHORST, 1838
• Liolaemus leopardinus MÜLLER & HELLMICH, 1932
• Liolaemus lineomaculatus BOULENGER, 1885
• Liolaemus lorenzmuelleri HELLMICH, 1950
• Liolaemus magellanicus (HOMBRON & JACQUINOT, 1853)
• Liolaemus monticola MÜLLER & HELLMICH, 1932
• Liolaemus moradoensis HELLMICH, 1950
• Liolaemus morandae BREITMAN, PARRA, PÉREZ & SITES, 2011
• Liolaemus nigromaculatus (WIEGMANN, 1834)
• Liolaemus nigroviridis MÜLLER & HELLMICH, 1932
• Liolaemus nitidus (WIEGMANN, 1834)
• Liolaemus patriciaiturrae NAVARRO & NÚÑEZ, 1993
• Liolaemus paulinae DONOSO-BARROS, 1961
• Liolaemus petrophilus DONOSO-BARROS & CEI, 1971
• Liolaemus pictus (DUMÉRIL & BIBRON, 1837)
• Liolaemus platei WERNER, 1898
• Liolaemus polystictus LAURENT, 1992
• Liolaemus pseudolemniscatus LAMBOROT & ORTIZ, 1990
• Liolaemus rabinoi (CEI, 1974)
• Liolaemus rosenmanni NÚÑEZ & NAVARRO, 1992
• Liolaemus sarmientoi DONOSO-BARROS, 1973
• Liolaemus schroederi MÜLLER & HELLMICH, 1938
• Liolaemus scorialis TRONCOSO-PALACIOS, DÍAZ, ESQUERRÉ & URRA, 2015
• Liolaemus silvanae (DONOSO-BARROS & CEI, 1971)
• Liolaemus somuncurae CEI & SCOLARO, 1981
• Liolaemus tacnae (SHREVE, 1941)
• Liolaemus torresi (NÚÑEZ, NAVARRO, GARÍN, PINCHEIRA-DONOSO & MERIGGIO, 2003)
• Liolaemus velosoi ORTIZ, 1987
• Liolaemus villaricensis MÜLLER & HELLMICH, 1932
• Liolaemus zapallarensis MÜLLER & HELLMICH, 1933
• Liolaemus zullyae CEI & SCOLARO, 1996
• Liopeltis stoliczkae (SCLATER, 1891)
• Liopeltis tricolor (SCHLEGEL, 1837)
• Liophidium apperti DOMERGUE, 1984
• Liophidium chabaudi DOMERGUE, 1984
• Liophidium pattoni VIEITES, RATSOAVINA, RANDRIANIAINA, NAGY, GLAW & VENCES, 2010
• Liophidium rhodogaster (SCHLEGEL, 1837)
• Liophidium therezieni DOMERGUE, 1984
• Liophidium torquatum (BOULENGER, 1888)
• Liophidium trilineatum BOULENGER, 1896
• Liophidium vaillanti (MOCQUARD, 1901)
• Liopholidophis dimorphus GLAW, NAGY, FRANZEN & VENCES, 2007
• Liopholidophis grandidieri MOCQUARD, 1904
• Liopholidophis sexlineatus (GÜNTHER, 1882)
• Liopholidophis varius (FISCHER, 1884)
• Liopholis compressicauda (QUOY & GAIMARD, 1824)
• Liopholis whitii (LACÉPÈDE, 1804)
• Lioscincus steindachneri BOCAGE, 1873
• Liotyphlops albirostris (PETERS, 1858)
• Liotyphlops anops (COPE, 1899)
• Liotyphlops haadi SILVA-HAAD, FRANCO & MALDONADO, 2008
• Liotyphlops schubarti VANZOLINI, 1948
• Liotyphlops ternetzii (BOULENGER, 1896)
• Liotyphlops trefauti FREIRE, CARAMASCHI & SUZART ARGÔLO, 2007
• Liotyphlops wilderi (GARMAN, 1883)
• Lipinia macrotympanum (STOLICZKA, 1873)
• Lissemys ceylonensis (GRAY, 1856)
• Lissemys punctata (BONNATERRE, 1789)
• Lissemys scutata (PETERS, 1868)
• Lissolepis luctuosa (PETERS, 1866)
• Loveridgea ionidesii (BATTERSBY, 1950)
• Loveridgea phylofiniens (TORNIER, 1899)
• Loveridgelaps elapoides (BOULENGER, 1890)
• Loxocemus bicolor COPE, 1861
• Luperosaurus cumingii (GRAY, 1845)
• Luperosaurus joloensis TAYLOR, 1918
• Luperosaurus macgregori STEJNEGER, 1907
• Luperosaurus yasumai OTA, SENGOKU & HIKIDA, 1996
• Lycodon aulicus (LINNAEUS, 1758)
• Lycodon bicolor (NIKOLSKY, 1903)
• Lycodon capucinus BOIE, 1827
• Lycodon carinatus (KUHL, 1820)
• Lycodon effraenis CANTOR, 1847
• Lycodon fasciolatus (SHAW, 1802)
• Lycodon fausti GAULKE, 2002
• Lycodon ferroni LANZA, 1999
• Lycodon flavicollis MUKHERJEE & BHUPATHY, 2007
• Lycodon flavomaculatus WALL, 1907
• Lycodon gracilis (GÜNTHER, 1864)
• Lycodon jara (SHAW, 1802)
• Lycodon kundui SMITH, 1943
• Lycodon laoensis GÜNTHER, 1864
• Lycodon ophiophagus VOGEL, DAVID, PAUWELS, SUMONTHA, NORVAL, HENDRIX, VU & ZIEGLER, 2009
• Lycodon orientalis (HILGENDORF, 1880)
• Lycodon semicarinatus (COPE, 1860)
• Lycodon stormi BOETTGER, 1892
• Lycodon striatus (SHAW, 1802)
• Lycodon tiwarii BISWAS & SANYAL, 1965
• Lycodon travancoricus (BEDDOME, 1870)
• Lycodon zawi SLOWINSKI, PAWAR, WIN, THIN, GYI, OO & TUN, 2001
• Lycodonomorphus bicolor (GÜNTHER, 1893)
• Lycodonomorphus laevissimus (GÜNTHER, 1862)
• Lycodonomorphus leleupi (LAURENT, 1950)
• Lycodonomorphus mlanjensis LOVERIDGE, 1953
• Lycodonomorphus obscuriventris FITZSIMONS, 1963
• Lycodonomorphus rufulus (LICHTENSTEIN, 1823)
• Lycodonomorphus whytii (BOULENGER, 1897)
• Lycodryas citrinus (DOMERGUE, 1995)
• Lycodryas gaimardi (SCHLEGEL, 1837)
• Lycodryas granuliceps (BOETTGER, 1877)
• Lycodryas guentheri (BOULENGER, 1896)
• Lycodryas inopinae (DOMERGUE, 1995)
• Lycodryas inornatus (BOULENGER, 1896)
• Lycodryas maculatus (GÜNTHER, 1858)
• Lycodryas pseudogranuliceps (DOMERGUE, 1995)
• Lycophidion acutirostre GÜNTHER, 1868
• Lycophidion albomaculatum STEINDACHNER, 1870
• Lycophidion capense (SMITH, 1831)
• Lycophidion depressirostre LAURENT, 1968
• Lycophidion hellmichi LAURENT, 1964
• Lycophidion irroratum (LEACH, 1819)
• Lycophidion laterale HALLOWELL, 1857
• Lycophidion meleagre BOULENGER, 1893
• Lycophidion multimaculatum BOETTGER, 1888
• Lycophidion namibianum BROADLEY, 1991
• Lycophidion nanum (BROADLEY, 1968)
• Lycophidion nigromaculatum (PETERS, 1863)
• Lycophidion ornatum PARKER, 1936
• Lycophidion pembanum LAURENT, 1968
• Lycophidion pygmaeum BROADLEY, 1996
• Lycophidion semiannule PETERS, 1854
• Lycophidion semicinctum DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Lycophidion taylori BROADLEY & HUGHES, 1993
• Lycophidion uzungwense LOVERIDGE, 1932
• Lycophidion variegatum BROADLEY, 1969
• Lygodactylus broadleyi PASTEUR, 1995
• Lygodactylus grotei STERNFELD, 1911
• Lygodactylus regulus PORTIK, TRAVERS, BAUER & BRANCH, 2013
• Lygophis anomalus (GÜNTHER, 1858)
• Lygophis dilepis COPE, 1862
• Lygophis elegantissimus (KOSLOWSKY, 1896)
• Lygophis flavifrenatus COPE, 1862
• Lygophis lineatus (LINNAEUS, 1758)
• Lygophis meridionalis (SCHENKEL, 1901)
• Lygophis paucidens HOGE, 1953
• Lygophis vanzolinii (DIXON, 1985)
• Lygosoma kinabatanganense GRISMER, QUAH, DUZULKAFLY & YAMBUN, 2018
• Lytorhynchus diadema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Lytorhynchus gasperetti LEVITON, 1977
• Lytorhynchus kennedyi SCHMIDT, 1939
• Lytorhynchus maynardi ALCOCK & FINN, 1897
• Lytorhynchus paradoxus (GÜNTHER, 1875)
• Lytorhynchus ridgewayi BOULENGER, 1887
• Mabuya altamazonica MIRALLES, BARRIO-AMOROS, RIVAS, CHAPARRO-AUZA, 2006
• Mabuya bistriata (SPIX, 1825)
• Mabuya mabouya (BONNATERRE, 1789)
• Macrelaps microlepidotus (GÜNTHER, 1860)
• Macrocalamus chanardi DAVID & PAUWELS, 2005
• Macrocalamus jasoni GRANDISON, 1972
• Macrocalamus lateralis GÜNTHER, 1864
• Macrocalamus schulzi VOGEL & DAVID, 1999
• Macrocalamus tweediei LIM, 1963
• Macrocalamus vogeli DAVID & PAUWELS, 2005
• Macrochelys suwanniensis THOMAS, GRANATOSKY, BOURQUE, KRYSKO, MOLER, GAMBLE, SUAREZ, LEONE & ROMAN, 2014
• Macrochelys temminckii (TROOST, 1835)
• Macroprotodon abubakeri WADE, 2001
• Macroprotodon brevis (GÜNTHER, 1862)
• Macroprotodon cucullatus (GEOFFROY SAINT-HILAIRE, 1827)
• Macroprotodon mauritanicus GUICHENOT, 1850
• Macrovipera lebetinus (LINNAEUS, 1758)
• Madagascarophis colubrinus (SCHLEGEL, 1837)
• Madagascarophis meridionalis DOMERGUE, 1987
• Madagascarophis ocellatus DOMERGUE, 1987
• Madatyphlops arenarius (GRANDIDIER, 1872)
• Madatyphlops boettgeri (BOULENGER, 1893)
• Madatyphlops comorensis (BOULENGER, 1889)
• Madatyphlops decorsei (MOCQUARD, 1901)
• Madatyphlops domerguei (ROUX-ESTÈVE, 1980)
• Madatyphlops madagascariensis (BOETTGER, 1877)
• Madatyphlops mucronatus (BOETTGER, 1880)
• Madatyphlops ocularis (PARKER, 1927)
• Madatyphlops rajeryi (RENOULT & RASELIMANANA, 2009)
• Madatyphlops reuteri (BOETTGER, 1881)
• Magliophis exiguus (COPE, 1862)
• Magliophis stahli (STEJNEGER, 1904)
• Malaclemys terrapin (SCHOEPFF, 1793)
• Malacochersus tornieri (SIEBENROCK, 1903)
• Malayemys khoratensis IHLOW, VAMBERGER, FLECKS, HARTMANN, COTA, MAKCHAI, MEEWATTANA, DAWSON, KHENG, RÖDDER & FRITZ, 2016
• Malayemys macrocephala (GRAY, 1859)
• Malayemys subtrijuga (SCHLEGEL & MÜLLER, 1845)
• Malayopython reticulatus (SCHNEIDER, 1801)
• Malayopython timoriensis (PETERS, 1876)
• Malayotyphlops castanotus (WYNN & LEVITON, 1993)
• Malayotyphlops hypogius (SAVAGE, 1950)
• Malayotyphlops koekkoeki (BRONGERSMA, 1934)
• Malayotyphlops kraalii (DORIA, 1874)
• Malayotyphlops luzonensis (TAYLOR, 1919)
• Malayotyphlops manilae (TAYLOR, 1919)
• Malayotyphlops ruber (BOETTGER, 1897)
• Malayotyphlops ruficauda (GRAY, 1845)
• Malpolon insignitus (GEOFFROY SAINT-HILAIRE, 1827)
• Malpolon moilensis (REUSS, 1834)
• Malpolon monspessulanus (HERMANN, 1804)
• Manciola guaporicola (DUNN, 1935)
• Manolepis putnami (JAN, 1863)
• Manouria emys (SCHLEGEL & MÜLLER, 1844)
• Manouria impressa (GÜNTHER, 1882)
• Maracaiba zuliae (MIRALLES, RIVAS, BONILLO, SCHARGEL, BARROS, GARCÍA-PEREZ & BARRIO-AMORÓS, 2009)
• Marisora berengerae (MIRALLES, 2006)
• Marisora falconensis (MIJARES-URRUTIA & ARENDS, 1997)
• Marisora pergravis (BARBOUR, 1921)
• Marisora unimarginata (COPE, 1863)
• Masticophis anthonyi (STEJNEGER, 1901)
• Masticophis aurigulus (COPE, 1861)
• Masticophis barbouri (VAN DENBURGH & SLEVIN, 1921)
• Masticophis bilineatus JAN, 1863
• Masticophis flagellum (SHAW, 1802)
• Masticophis fuliginosus (COPE, 1895)
• Masticophis lateralis (HALLOWELL, 1853)
• Masticophis lineatus BOCOURT, 1890
• Masticophis mentovarius (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Masticophis piceus (COPE, 1892)
• Masticophis schotti BAIRD & GIRARD, 1853
• Masticophis slevini LOWE & NORRIS, 1955
• Masticophis taeniatus (HALLOWELL, 1852)
• Mastigodryas alternatus (BOCOURT, 1884)
• Mastigodryas amarali (STUART, 1938)
• Mastigodryas boddaerti (SENTZEN, 1796)
• Mastigodryas bruesi (BARBOUR, 1914)
• Mastigodryas cliftoni (HARDY, 1964)
• Mastigodryas danieli AMARAL, 1935
• Mastigodryas dorsalis (BOCOURT, 1890)
• Mastigodryas heathii (COPE, 1875)
• Mastigodryas melanolomus (COPE, 1868)
• Mastigodryas moratoi MONTINGELLI & ZAHER, 2011
• Mastigodryas pleii (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Mastigodryas pulchriceps (COPE, 1868)
• Mastigodryas reticulatus (PETERS, 1863)
• Mauremys annamensis (SIEBENROCK, 1903)
• Mauremys caspica (GMELIN, 1774)
• Mauremys japonica (TEMMINCK & SCHLEGEL, 1835)
• Mauremys leprosa (SCHWEIGGER, 1812)
• Mauremys mutica (CANTOR, 1842)
• Mauremys nigricans (GRAY, 1834)
• Mauremys reevesii (GRAY, 1831)
• Mauremys rivulata (VALENCIENNES, 1833)
• Mauremys sinensis (GRAY, 1834)
• Mecistops cataphractus (CUVIER, 1825)
• Mehelya laurenti DE WITTE, 1959
• Mehelya poensis (SMITH, 1849)
• Mehelya stenophthalmus (MOCQUARD, 1887)
• Meizodon coronatus (SCHLEGEL, 1837)
• Meizodon krameri SCHÄTTI, 1985
• Meizodon plumbiceps (BOETTGER, 1893)
• Meizodon regularis FISCHER, 1856
• Meizodon semiornatus (PETERS, 1854)
• Melanochelys tricarinata (BLYTH, 1856)
• Melanochelys trijuga (SCHWEIGGER, 1812)
• Melanophidium bilineatum BEDDOME, 1870
• Melanophidium punctatum BEDDOME, 1871
• Melanophidium wynaudense (BEDDOME, 1863)
• Melanosuchus niger (SPIX, 1825)
• Menetia amaura STORR, 1978
• Meroles anchietae (BOCAGE, 1867)
• Mesobaena huebneri MERTENS, 1925
• Mesoclemmys dahli (ZANGERL & MEDEM, 1958)
• Mesoclemmys gibba (SCHWEIGGER, 1812)
• Mesoclemmys nasuta (SCHWEIGGER, 1812)
• Mesoclemmys perplexa BOUR & ZAHER, 2005
• Mesoclemmys raniceps (GRAY, 1856)
• Mesoclemmys tuberculata (LUEDERWALDT, 1926)
• Mesoclemmys vanderhaegei (BOUR, 1973)
• Mesoclemmys wermuthi (MERTENS, 1969)
• Mesoclemmys zuliae (PRITCHARD & TREBBAU, 1984)
• Mesoscincus schwartzei (FISCHER, 1884)
• Mesotes rutilus (PRADO, 1942)
• Mesotes strigatus (GÜNTHER, 1858)
• Metlapilcoatlus indomitus (SMITH & FERRARI-CASTRO, 2008)
• Metlapilcoatlus mexicanus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Metlapilcoatlus nummifer (RÜPPELL, 1845)
• Metlapilcoatlus occiduus (HOGE, 1966)
• Metlapilcoatlus olmec (PÉREZ-HIGAREDA, SMITH & JULIÁ-ZERTUCHE, 1985)
• Micrelaps bicoloratus STERNFELD, 1908
• Micrelaps muelleri BOETTGER, 1880
• Micrelaps vaillanti (MOCQUARD, 1888)
• Microcephalophis cantoris (GÜNTHER, 1864)
• Microcephalophis gracilis (SHAW, 1802)
• Micropechis ikaheca (LESSON, 1829)
• Micropisthodon ochraceus MOCQUARD, 1894
• Micruroides euryxanthus (KENNICOTT, 1860)
• Micrurus albicinctus AMARAL, 1925
• Micrurus alleni SCHMIDT, 1936
• Micrurus altirostris (COPE, 1860)
• Micrurus ancoralis (JAN, 1872)
• Micrurus annellatus PETERS, 1871
• Micrurus apiatus (JAN, 1858)
• Micrurus averyi SCHMIDT, 1939
• Micrurus baliocoryphus (COPE, 1860)
• Micrurus balzani BOULENGER, 1898
• Micrurus bocourti (JAN, 1872)
• Micrurus bogerti ROZE, 1967
• Micrurus bolivianus ROZE, 1967
• Micrurus brasiliensis ROZE, 1967
• Micrurus browni (SCHMIDT & SMITH, 1943)
• Micrurus camilae RENJIFO & LUNDBERG, 2003
• Micrurus carvalhoi ROZE, 1967
• Micrurus circinalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus clarki SCHMIDT, 1936
• Micrurus corallinus (MERREM, 1820)
• Micrurus decoratus (JAN, 1858)
• Micrurus diana ROZE, 1983
• Micrurus diastema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus dissoleucus COPE, 1860
• Micrurus distans KENNICOTT, 1860
• Micrurus dumerilii (JAN, 1858)
• Micrurus elegans JAN, 1858
• Micrurus ephippifer (COPE, 1886)
• Micrurus filiformis (GÜNTHER, 1859)
• Micrurus frontalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus frontifasciatus (WERNER, 1927)
• Micrurus fulvius (LINNAEUS, 1766)
• Micrurus helleri SCHMIDT & SCHMIDT, 1925
• Micrurus hemprichii (JAN, 1858)
• Micrurus hippocrepis (PETERS, 1862)
• Micrurus ibiboboca (MERREM, 1820)
• Micrurus isozonus (COPE, 1860)
• Micrurus langsdorffi (WAGLER, 1824)
• Micrurus laticollaris PETERS, 1870
• Micrurus latifasciatus SCHMIDT, 1933
• Micrurus lemniscatus (LINNAEUS, 1758)
• Micrurus limbatus FRASER, 1964
• Micrurus margaritiferus ROZE, 1967
• Micrurus medemi ROZE, 1967
• Micrurus meridensis ROZE, 1989
• Micrurus mertensi SCHMIDT, 1936
• Micrurus michoacanensis DUGES, 1891
• Micrurus mipartitus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus mosquitensis SCHMIDT, 1933
• Micrurus multifasciatus (JAN, 1858)
• Micrurus multiscutatus RENDAHL & VESTERGREN, 1940
• Micrurus nattereri SCHMIDT, 1952
• Micrurus nigrocinctus (GIRARD, 1854)
• Micrurus obscurus (JAN, 1872)
• Micrurus oligoanellatus AYERBE & LÓPEZ, 2005
• Micrurus oliveri ROZE, 1967
• Micrurus ornatissimus (JAN, 1858)
• Micrurus ortoni (SCHMIDT, 1953)
• Micrurus paraensis CUNHA & NASCIMENTO, 1973
• Micrurus potyguara PIRES, DA SILVA Jr, FEITOSA, PRUDENTE, PEREIRA-FILHO & ZAHER, 2014
• Micrurus proximans SMITH & CHRAPLIWY, 1958
• Micrurus psyches (DAUDIN, 1803)
• Micrurus putumayensis LANCINI, 1962
• Micrurus pyrrhocryptus (COPE, 1862)
• Micrurus remotus ROZE, 1987
• Micrurus ruatanus (GÜNTHER, 1895)
• Micrurus sangilensis NICEFORO MARIA, 1942
• Micrurus serranus HARVEY, APARICIO & GONZALEZ, 2003
• Micrurus silviae DI BERNARDO, BORGES-MARTINS & DA SILVA, 2007
• Micrurus spixii WAGLER, 1824
• Micrurus spurrelli (BOULENGER, 1914)
• Micrurus stewarti BARBOUR & AMARAL, 1928
• Micrurus stuarti ROZE, 1967
• Micrurus surinamensis (CUVIER, 1816)
• Micrurus tener (BAIRD & GIRARD, 1853)
• Micrurus tschudii (JAN, 1858)
• Mimophis mahfalensis (GRANDIDIER, 1867)
• Mintonophis pakistanicus (MERTENS, 1959)
• Miralia alternans (REUSS, 1834)
• Mitophis asbolepis (THOMAS, MCDIARMID & THOMPSON, 1985)
• Mitophis calypso (THOMAS, MCDIARMID & THOMPSON, 1985)
• Mitophis leptepileptus (THOMAS, MCDIARMID & THOMPSON, 1985)
• Mitophis pyrites (THOMAS, 1965)
• Mixcoatlus barbouri (DUNN, 1919)
• Mixcoatlus browni (SHREVE, 1938)
• Mixcoatlus melanurus (MÜLLER, 1924)
• Mochlus fernandi (BURTON, 1836)
• Mochlus sundevallii (SMITH, 1849)
• Monopeltis adercae DE WITTE, 1953
• Monopeltis anchietae (BOCAGE, 1873)
• Monopeltis capensis SMITH, 1848
• Monopeltis decosteri BOULENGER, 1910
• Monopeltis galeata (HALLOWELL, 1852)
• Monopeltis guentheri BOULENGER, 1885
• Monopeltis infuscata BROADLEY, 1997
• Monopeltis jugularis PETERS, 1880
• Monopeltis leonhardi WERNER, 1910
• Monopeltis luandae GANS, 1976
• Monopeltis perplexus GANS, 1976
• Monopeltis remaclei DE WITTE, 1933
• Monopeltis rhodesiana BROADLEY, GANS & VISSER, 1976
• Monopeltis scalper (GÜNTHER, 1876)
• Monopeltis schoutedeni DE WITTE, 1933
• Monopeltis sphenorhynchus (PETERS, 1879)
• Monopeltis vanderysti DE WITTE, 1922
• Monopeltis zambezensis GANS & BROADLEY, 1974
• Montaspis gilvomaculata BOURQUIN, 1991
• Montatheris hindii (BOULENGER, 1910)
• Montivipera bornmuelleri (WERNER, 1898)
• Montivipera bulgardaghica (NILSON & ANDREN, 1985)
• Montivipera raddei (BOETTGER, 1890)
• Montivipera wagneri (NILSON & ANDRÉN, 1984)
• Montivipera xanthina (GRAY, 1849)
• Mopanveldophis zebrinus (BROADLEY & SCHÄTTI, 2000)
• Morelia bredli (GOW, 1981)
• Morelia carinata (SMITH, 1981)
• Morelia imbricata (SMITH, 1981)
• Morelia spilota (LACÉPÈDE, 1804)
• Morelia viridis (SCHLEGEL, 1872)
• Morenia ocellata (DUMÉRIL & BIBRON, 1835)
• Morenia petersi (ANDERSON, 1879)
• Muhtarophis barani (OLGUN, AVCI, ILGAZ, ÜZÜM & YILMAZ, 2007)
• Mussurana bicolor (PERACCA, 1904)
• Mussurana montana (FRANCO, MARQUES & PUORTO, 1997)
• Mussurana quimi (FRANCO, MARQUES & PUORTO, 1997)
• Myriopholis adleri (HAHN & WALLACH, 1998)
• Myriopholis algeriensis (JACQUET, 1896)
• Myriopholis blanfordii (BOULENGER, 1890)
• Myriopholis boueti (CHABANAUD, 1917)
• Myriopholis braccianii (SCORTECCI, 1929)
• Myriopholis cairi (DUMÉRIL & BIBRON, 1844)
• Myriopholis erythraeus (SCORTECCI, 1929)
• Myriopholis filiformis (BOULENGER, 1899)
• Myriopholis ionidesi (BROADLEY & WALLACH, 2007)
• Myriopholis lanzai BROADLEY, WADE & WALLACH, 2014
• Myriopholis longicauda (PETERS, 1854)
• Myriopholis macrorhyncha (JAN, 1860)
• Myriopholis macrura (BOULENGER, 1899)
• Myriopholis narirostris (PETERS, 1867)
• Myriopholis nursii (ANDERSON, 1896)
• Myriopholis parkeri (BROADLEY, 1999)
• Myriopholis perreti (ROUX-ESTÈVE, 1979)
• Myriopholis tanae (BROADLEY & WALLACH, 2007)
• Myriopholis wilsoni (HAHN, 1978)
• Myriopholis yemenica (SCORTECCI, 1933)
• Myron karnsi MURPHY, 2011
• Myron resetari MURPHY, 2011
• Myron richardsonii GRAY, 1849
• Myrrophis bennettii (GRAY, 1842)
• Myrrophis chinensis (GRAY, 1842)
• Myuchelys bellii (GRAY, 1844)
• Myuchelys georgesi (CANN, 1997)
• Myuchelys latisternum (GRAY, 1867)
• Myuchelys purvisi (WELLS & WELLINGTON, 1985)
• Nadzikambia baylissi BRANCH & TOLLEY, 2010
• Naja anchietae BOCAGE, 1879
• Naja annulata PETERS, 1876
• Naja annulifera PETERS, 1854
• Naja arabica SCORTECCI, 1932
• Naja ashei WÜSTER & BROADLEY, 2007
• Naja atra CANTOR, 1842
• Naja christyi (BOULENGER, 1904)
• Naja haje (LINNAEUS, 1758)
• Naja kaouthia LESSON, 1831
• Naja katiensis ANGEL, 1922
• Naja melanoleuca HALLOWELL, 1857
• Naja mossambica PETERS, 1854
• Naja multifasciata (WERNER, 1902)
• Naja naja (LINNAEUS, 1758)
• Naja nigricincta BOGERT, 1940
• Naja nigricollis REINHARDT, 1843
• Naja nivea (LINNAEUS, 1758)
• Naja nubiae WÜSTER & BROADLEY, 2003
• Naja oxiana (EICHWALD, 1831)
• Naja pallida BOULENGER, 1896
• Naja philippinensis TAYLOR, 1922
• Naja samarensis PETERS, 1861
• Naja senegalensis TRAPE, CHIRIO & WÜSTER, 2009
• Naja siamensis LAURENTI, 1768
• Naja sputatrix BOIE, 1827
• Naja subfulva LAURENT, 1955
• Naja sumatrana MÜLLER, 1887
• Namibiana gracilior (BOULENGER, 1910)
• Namibiana labialis (STERNFELD, 1908)
• Namibiana latifrons (STERNFELD, 1908)
• Namibiana occidentalis (FITZSIMONS, 1962)
• Namibiana rostrata (BOCAGE, 1886)
• Narophis bimaculatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Natator depressus (GARMAN, 1880)
• Natriciteres bipostocularis BROADLEY, 1962
• Natriciteres fuliginoides (GÜNTHER, 1858)
• Natriciteres olivacea (PETERS, 1854)
• Natriciteres pembana (LOVERIDGE, 1935)
• Natriciteres sylvatica BROADLEY, 1966
• Natriciteres variegata (PETERS, 1861)
• Natrix astreptophora (LOPEZ-SEOANE, 1885)
• Natrix helvetica (LACÉPÈDE, 1789)
• Natrix maura (LINNAEUS, 1758)
• Natrix natrix (LINNAEUS, 1758)
• Natrix tessellata (LAURENTI, 1768)
• Neelaps calonotos (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Nerodia clarkii (BAIRD & GIRARD, 1853)
• Nerodia cyclopion (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Nerodia erythrogaster (FORSTER, 1771)
• Nerodia fasciata (LINNAEUS, 1766)
• Nerodia floridana (GOFF, 1936)
• Nerodia harteri (TRAPIDO, 1941)
• Nerodia paucimaculata (TINKLE & CONANT, 1961)
• Nerodia rhombifer (HALLOWELL, 1852)
• Nerodia sipedon (LINNAEUS, 1758)
• Nerodia taxispilota (HOLBROOK, 1838)
• Nilssonia formosa (GRAY, 1869)
• Nilssonia gangetica (CUVIER, 1825)
• Nilssonia hurum (GRAY, 1831)
• Nilssonia leithii (GRAY, 1872)
• Nilssonia nigricans (ANDERSON, 1875)
• Ninia atrata (HALLOWELL, 1845)
• Ninia celata MCCRANIE & WILSON, 1995
• Ninia diademata BAIRD & GIRARD, 1853
• Ninia espinali MCCRANIE & WILSON, 1995
• Ninia hudsoni PARKER, 1940
• Ninia maculata (PETERS, 1861)
• Ninia pavimentata (BOCOURT, 1883)
• Ninia psephota (COPE, 1875)
• Ninia sebae (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Notechis scutatus (PETERS, 1861)
• Nothopsis rugosus COPE, 1871
• Notochelys platynota (GRAY, 1834)
• Notomabuya frenata (COPE, 1863)
• Nyctophilopython oenpelliensis (GOW, 1977)
• Oedura marmorata GRAY, 1842
• Ogmodon vitianus PETERS, 1864
• Oligodon affinis GÜNTHER, 1862
• Oligodon albocinctus (CANTOR, 1839)
• Oligodon ancorus (GIRARD, 1858)
• Oligodon annamensis LEVITON, 1953
• Oligodon annulifer (BOULENGER, 1893)
• Oligodon arnensis (SHAW, 1802)
• Oligodon barroni (SMITH, 1916)
• Oligodon bitorquatus BOIE, 1827
• Oligodon booliati LEONG & GRISMER, 2004
• Oligodon brevicauda GÜNTHER, 1862
• Oligodon catenatus (BLYTH, 1855)
• Oligodon chinensis (GÜNTHER, 1888)
• Oligodon cinereus (GÜNTHER, 1864)
• Oligodon cruentatus (GÜNTHER, 1868)
• Oligodon cyclurus (CANTOR, 1839)
• Oligodon deuvei DAVID, VOGEL & VAN ROOIJEN, 2008
• Oligodon dorsalis (GRAY, 1834)
• Oligodon eberhardti PELLEGRIN, 1910
• Oligodon erythrogaster BOULENGER, 1907
• Oligodon erythrorhachis WALL, 1910
• Oligodon everetti BOULENGER, 1893
• Oligodon fasciolatus (GÜNTHER, 1864)
• Oligodon forbesi (BOULENGER, 1883)
• Oligodon formosanus (GÜNTHER, 1872)
• Oligodon hamptoni BOULENGER, 1918
• Oligodon inornatus (BOULENGER, 1914)
• Oligodon jintakunei PAUWELS, WALLACH, DAVID & CHANHOME, 2002
• Oligodon joynsoni (SMITH, 1917)
• Oligodon juglandifer (WALL, 1909)
• Oligodon lacroixi ANGEL & BOURRET, 1933
• Oligodon lungshenensis ZHENG & HUANG, 1978
• Oligodon macrurus (ANGEL, 1927)
• Oligodon maculatus (TAYLOR, 1918)
• Oligodon mcdougalli WALL, 1905
• Oligodon melanozonatus WALL, 1922
• Oligodon meyerinkii (STEINDACHNER, 1891)
• Oligodon modestus GÜNTHER, 1864
• Oligodon moricei DAVID, VOGEL & VAN ROOIJEN, 2008
• Oligodon mouhoti (BOULENGER, 1914)
• Oligodon nagao DAVID, NGUYEN, NGUYEN, JIANG, CHEN, TEYNIÉ & ZIEGLER, 2012
• Oligodon notospilus GÜNTHER, 1873
• Oligodon ocellatus (MORICE, 1875)
• Oligodon octolineatus (SCHNEIDER, 1801)
• Oligodon ornatus VAN DENBURGH, 1909
• Oligodon perkinsi (TAYLOR, 1925)
• Oligodon petronellae DE ROOIJ, 1917
• Oligodon planiceps (BOULENGER, 1888)
• Oligodon praefrontalis WERNER, 1913
• Oligodon propinquus JAN, 1862
• Oligodon pulcherrimus WERNER, 1909
• Oligodon purpurascens (SCHLEGEL, 1837)
• Oligodon saintgironsi DAVID, VOGEL & PAUWELS, 2008
• Oligodon signatus (GÜNTHER, 1864)
• Oligodon splendidus (GÜNTHER, 1875)
• Oligodon sublineatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oligodon taeniatus (GÜNTHER, 1861)
• Oligodon taeniolatus (JERDON, 1853)
• Oligodon theobaldi (GÜNTHER, 1868)
• Oligodon travancoricus BEDDOME, 1877
• Oligodon trilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Oligodon venustus (JERDON, 1853)
• Oligodon vertebralis GÜNTHER, 1865
• Oligodon violaceus (CANTOR, 1839)
• Oligodon waandersi (BLEEKER, 1860)
• Oligodon woodmasoni (SCLATER, 1891)
• Omanosaura jayakari (BOULENGER, 1887)
• Omoadiphas aurula KÖHLER, MCCRANIE & WILSON, 2001
• Omoadiphas cannula MCCRANIE & CRUZ-DÍAZ, 2010
• Omoadiphas texiguatensis MCCRANIE & CASTAÑEDA, 2004
• Oocatochus rufodorsatus (CANTOR, 1842)
• Opheodrys aestivus (LINNAEUS, 1766)
• Opheodrys carinatus GROBMAN, 1984
• Opheodrys vernalis (HARLAN, 1827)
• Ophiomorus blanfordii BOULENGER, 1887
• Ophiophagus hannah (CANTOR, 1836)
• Ophisops jerdonii BLYTH, 1853
• Ophisops nictans (ARNOLD, 1989)
• Ophryacus undulatus (JAN, 1859)
• Opisthotropis alcalai BROWN & LEVITON, 1961
• Opisthotropis andersonii (BOULENGER, 1888)
• Opisthotropis atra GÜNTHER, 1872
• Opisthotropis cheni ZHAO, 1999
• Opisthotropis daovantieni ORLOV, DAREVSKY & MURPHY, 1998
• Opisthotropis guangxiensis ZHAO, JIANG & HUANG, 1978
• Opisthotropis jacobi ANGEL & BOURRET, 1933
• Opisthotropis kikuzatoi (OKADA & TAKARA, 1958)
• Opisthotropis kuatunensis POPE, 1928
• Opisthotropis lateralis BOULENGER, 1903
• Opisthotropis latouchii (BOULENGER, 1899)
• Opisthotropis maculosa STUART & CHUAYNKERN, 2007
• Opisthotropis maxwelli BOULENGER, 1914
• Opisthotropis rugosa (LIDTH DE JEUDE, 1890)
• Opisthotropis spenceri SMITH, 1918
• Opisthotropis typica (MOCQUARD, 1890)
• Oreocalamus hanitschi BOULENGER, 1899
• Oreocryptophis porphyraceus (CANTOR, 1839)
• Oreosaurus mcdiarmidi (KOK & RIVAS, 2011)
• Orientocoluber spinalis (PETERS, 1866)
• Orlitia borneensis GRAY, 1873
• Orosaura nebulosylvestris (MIRALLES, RIVAS, BONILLO, SCHARGEL, BARROS, GARCÍA-PEREZ & BARRIO-AMORÓS, 2009)
• Osteolaemus osborni (SCHMIDT, 1919)
• Osteolaemus tetraspis COPE, 1861
• Otosaurus cumingii GRAY, 1845
• Ovophis convictus (STOLICZKA, 1870)
• Ovophis makazayazaya (TAKAHASHI, 1922)
• Ovophis monticola (GÜNTHER, 1864)
• Ovophis okinavensis (BOULENGER, 1892)
• Ovophis tonkinensis (BOURRET, 1934)
• Ovophis zayuensis (JIANG, 1977)
• Oxybelis aeneus (WAGLER, 1824)
• Oxybelis brevirostris (COPE, 1861)
• Oxybelis fulgidus (DAUDIN, 1803)
• Oxybelis koehleri JADIN, BLAIR, ORLOFSKE, JOWERS, RIVAS, VITT, RAY, SMITH & MURPHY, 2020
• Oxybelis potosiensis TAYLOR, 1941
• Oxybelis transandinus TORRES-CARVAJAL, MEJÍA-GUERRERO & TERÁN, 2021
• Oxybelis wilsoni VILLA & MCCRANIE, 1995
• Oxyrhabdium leporinum (GÜNTHER, 1858)
• Oxyrhabdium modestum (DUMÉRIL, 1853)
• Oxyrhopus clathratus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus doliatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus erdisii (BARBOUR, 1913)
• Oxyrhopus fitzingeri (TSCHUDI, 1845)
• Oxyrhopus formosus (WIED-NEUWIED, 1820)
• Oxyrhopus guibei HOGE & ROMANO, 1977
• Oxyrhopus leucomelas (WERNER, 1916)
• Oxyrhopus marcapatae (BOULENGER, 1902)
• Oxyrhopus melanogenys (TSCHUDI, 1845)
• Oxyrhopus occipitalis (WIED-NEUWIED, 1824)
• Oxyrhopus petolarius (LINNAEUS, 1758)
• Oxyrhopus rhombifer DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus trigeminus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus vanidicus LYNCH, 2009
• Oxyuranus microlepidotus (MCCOY, 1879)
• Oxyuranus scutellatus (PETERS, 1867)
• Oxyuranus temporalis DOUGHTY, MARYAN, DONNELLAN & HUTCHINSON, 2007
• Pachycalamus brevis GÜNTHER, 1881
• Pachydactylus tsodiloensis HAACKE, 1966
• Palea steindachneri (SIEBENROCK, 1906)
• Palusophis bifossatus (RADDI, 1820)
• Panaspis africana (GRAY, 1845)
• Panaspis tancredii (BOULENGER, 1909)
• Panaspis wahlbergii (SMITH, 1849)
• Pangshura smithii (GRAY, 1863)
• Pangshura sylhetensis JERDON, 1870
• Pangshura tecta (GRAY, 1831)
• Pangshura tentoria (GRAY, 1834)
• Panopa croizati (HORTON, 1973)
• Pantherophis alleghaniensis (HOLBROOK, 1836)
• Pantherophis bairdi (YARROW, 1880)
• Pantherophis emoryi (BAIRD & GIRARD, 1853)
• Pantherophis guttatus (LINNAEUS, 1766)
• Pantherophis obsoletus (SAY, 1823)
• Pantherophis quadrivittatus (HOLBROOK, 1836)
• Pantherophis ramspotti CROTHER, WHITE, SAVAGE, ECKSTUT, GRAHAM & GARDNER, 2011
• Pantherophis slowinskii (BURBRINK, 2002)
• Pantherophis vulpinus (BAIRD & GIRARD, 1853)
• Parahydrophis mertoni (ROUX, 1910)
• Paraphimophis rusticus (COPE, 1878)
• Parapistocalamus hedigeri ROUX, 1934
• Pararhadinaea melanogaster BOETTGER, 1898
• Parastenophis betsileanus (GÜNTHER, 1880)
• Paraxenodermus borneensis (BOULENGER, 1899)
• Pareas andersonii BOULENGER, 1888
• Pareas boulengeri (ANGEL, 1920)
• Pareas carinatus WAGLER, 1830
• Pareas chinensis (BARBOUR, 1912)
• Pareas formosensis (VAN DENBURGH, 1909)
• Pareas hamptoni (BOULENGER, 1905)
• Pareas iwasakii (MAKI, 1937)
• Pareas macularius THEOBALD, 1868
• Pareas margaritophorus (JAN, 1866)
• Pareas modestus THEOBALD, 1868
• Pareas monticola (CANTOR, 1839)
• Pareas nigriceps GUO & DENG, 2009
• Pareas nuchalis (BOULENGER, 1900)
• Pareas stanleyi (BOULENGER, 1914)
• Paroplocephalus atriceps (STORR, 1980)
• Pedioplanis serodioi PARRINHA, MARQUES, HEINICKE, KHALID, PARKER, TOLLEY, CHILDERS, CONRADIE, BAUER & CERÍACO, 2021
• Pelochelys bibroni (OWEN, 1853)
• Pelochelys cantorii GRAY, 1864
• Pelodiscus axenaria (ZHOU, ZHANG & FANG, 1991)
• Pelodiscus maackii (BRANDT, 1858)
• Pelodiscus parviformis TANG, 1997
• Pelodiscus sinensis (WIEGMANN, 1835)
• Pelodiscus variegatus FARKAS, ZIEGLER, PHAM, ONG & FRITZ, 2019
• Pelomedusa galeata (SCHOEPFF, 1792)
• Pelomedusa gehafie (RÜPPELL, 1835)
• Pelomedusa kobe PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
• Pelomedusa neumanni PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
• Pelomedusa olivacea (SCHWEIGGER, 1812)
• Pelomedusa schweinfurthi PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
• Pelomedusa somalica PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
• Pelomedusa subrufa (BONNATERRE, 1789)
• Pelomedusa variabilis PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
• Peltocephalus dumerilianus (SCHWEIGGER, 1812)
• Pelusios adansonii (SCHWEIGGER, 1812)
• Pelusios bechuanicus FITZSIMONS, 1932
• Pelusios broadleyi BOUR, 1986
• Pelusios carinatus LAURENT, 1956
• Pelusios castaneus (SCHWEIGGER, 1812)
• Pelusios castanoides HEWITT, 1931
• Pelusios chapini LAURENT, 1965
• Pelusios gabonensis (DUMÉRIL, 1856)
• Pelusios marani BOUR, 2000
• Pelusios nanus LAURENT, 1956
• Pelusios niger (DUMÉRIL & BIBRON, 1835)
• Pelusios rhodesianus HEWITT, 1927
• Pelusios sinuatus (SMITH, 1838)
• Pelusios subniger (BONNATERRE, 1789)
• Pelusios williamsi LAURENT, 1965
• Phalotris bilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phalotris lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phalotris matogrossensis DE LEMA, D’AGOSTINI & CAPPELLARI, 2005
• Phalotris mertensi (HOGE, 1955)
• Phalotris nasutus (GOMES, 1915)
• Phalotris nigrilatus FERRAREZZI, 1993
• Phalotris sansebastiani JANSEN & KÖHLER, 2008
• Phalotris spegazzinii (BOULENGER, 1913)
• Phalotris suspectus (AMARAL, 1924)
• Phalotris tricolor (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Philodryas aestiva (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Philodryas baroni BERG, 1895
• Philodryas boliviana BOULENGER, 1896
• Philodryas chamissonis (WIEGMANN, 1835)
• Philodryas cordata DONNELLY & MYERS, 1991
• Philodryas livida (AMARAL, 1923)
• Philodryas mattogrossensis KOSLOWSKY, 1898
• Philodryas nattereri (STEINDACHNER, 1870)
• Philodryas olfersii (LICHTENSTEIN, 1823)
• Philodryas psammophidea GÜNTHER, 1872
• Philodryas trilineata (BURMEISTER, 1861)
• Philodryas varia (JAN, 1863)
• Philothamnus angolensis BOCAGE, 1882
• Philothamnus battersbyi LOVERIDGE, 1951
• Philothamnus bequaerti (SCHMIDT, 1923)
• Philothamnus carinatus (ANDERSSON, 1901)
• Philothamnus dorsalis (BOCAGE, 1866)
• Philothamnus girardi BOCAGE, 1893
• Philothamnus heterodermus (HALLOWELL, 1857)
• Philothamnus heterolepidotus (GÜNTHER, 1863)
• Philothamnus hoplogaster (GÜNTHER, 1863)
• Philothamnus hughesi TRAPE & ROUX-ESTÈVE, 1990
• Philothamnus irregularis (LEACH, 1819)
• Philothamnus macrops (BOULENGER, 1895)
• Philothamnus natalensis (SMITH, 1848)
• Philothamnus nitidus (GÜNTHER, 1863)
• Philothamnus ornatus BOCAGE, 1872
• Philothamnus punctatus PETERS, 1867
• Philothamnus ruandae LOVERIDGE, 1951
• Philothamnus semivariegatus (SMITH, 1840)
• Philothamnus thomensis BOCAGE, 1882
• Phimophis guerini (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phimophis guianensis (TROSCHEL, 1848)
• Phimophis vittatus (BOULENGER, 1896)
• Phisalixella arctifasciata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phisalixella variabilis (BOULENGER, 1896)
• Phrynocephalus arabicus ANDERSON, 1894
• Phrynocephalus erythrurus ZUGMAYER, 1909
• Phrynocephalus przewalskii STRAUCH, 1876
• Phrynocephalus vlangalii STRAUCH, 1876
• Phrynonax poecilonotus (GÜNTHER, 1858)
• Phrynonax sexcarinatus (WAGLER, 1824)
• Phrynonax shropshirei BARBOUR & AMARAL, 1924
• Phrynops geoffroanus (SCHWEIGGER, 1812)
• Phrynops hilarii (DUMÉRIL & BIBRON, 1835)
• Phrynops tuberosus (PETERS, 1870)
• Phrynops williamsi RHODIN & MITTERMEIER, 1983
• Phrynosoma asio COPE, 1864
• Phrynosoma braconnieri BOCOURT, 1870
• Phrynosoma cornutum (HARLAN, 1825)
• Phrynosoma hernandesi GIRARD, 1858
• Phrynosoma modestum GIRARD, 1852
• Phrynosoma ornatissimum GIRARD, 1858
• Phrynosoma solare GRAY, 1845
• Phrynosoma taurus BOCOURT, 1870
• Phyllodactylus bordai TAYLOR, 1942
• Phyllodactylus delsolari VENEGAS, TOWNSEND, KOCH & BÖHME, 2008
• Phyllodactylus isabelae CASTRO-FRANCO & URIBE-PENA, 1992
• Phyllodactylus lanei SMITH, 1935
• Phyllodactylus lupitae CASTRO-FRANCO & URIBE-PENA, 1992
• Phyllodactylus magnus TAYLOR, 1942
• Phyllodactylus muralis TAYLOR, 1940
• Phyllodactylus reissii PETERS, 1862
• Phyllodactylus rupinus DIXON, 1964
• Phyllodactylus saxatilis DIXON, 1964
• Phyllodactylus thompsoni VENEGAS, TOWNSEND, KOCH & BÖHME, 2008
• Phyllodactylus tuberculosus WIEGMANN, 1834
• Phyllodactylus xanti COPE, 1863
• Phyllopezus maranjonensis KOCH, VENEGAS & BÖHME, 2006
• Phyllorhynchus browni STEJNEGER, 1890
• Phyllorhynchus decurtatus (COPE, 1868)
• Phymaturus aguanegra LOBO, LASPIUR & ACOSTA, 2013
• Phymaturus calcogaster SCOLARO & CEI, 2003
• Phymaturus camilae SCOLARO, JARA & PINCHEIRA-DONOSO, 2013
• Phymaturus castillensis SCOLARO & PINCHEIRA-DONOSO, 2010
• Phymaturus ceii SCOLARO & IBARGÜENGOYTÍA, 2007
• Phymaturus etheridgei LOBO, ABDALA & VALDECANTOS, 2010
• Phymaturus felixi LOBO, ABDALA & VALDECANTOS, 2010
• Phymaturus indistinctus CEI & CASTRO, 1973
• Phymaturus manuelae SCOLARO & IBARGÜENGOYTÍA, 2008
• Phymaturus patagonicus KOSLOWSKY, 1898
• Phymaturus somuncurensis CEI & CASTRO, 1973
• Phymaturus spurcus BARBOUR, 1921
• Phymaturus tenebrosus LOBO & QUINTEROS, 2005
• Phymaturus videlai SCOLARO & PINCHEIRA-DONOSO, 2010
• Phymaturus vociferator PINCHEIRA-DONOSO, 2004
• Phymaturus zapalensis CEI & CASTRO, 1973
• Physignathus cocincinus CUVIER, 1829
• Phytolopsis punctata GRAY, 1849
• Pituophis catenifer (BLAINVILLE, 1835)
• Pituophis deppei (DUMÉRIL, 1853)
• Pituophis insulanus KLAUBER, 1946
• Pituophis lineaticollis (COPE, 1861)
• Pituophis melanoleucus (DAUDIN, 1803)
• Pituophis ruthveni STULL, 1929
• Pituophis vertebralis (BLAINVILLE, 1835)
• Placosoma glabellum (PETERS, 1870)
• Plagiopholis blakewayi BOULENGER, 1893
• Plagiopholis delacouri ANGEL, 1929
• Plagiopholis nuchalis (BOULENGER, 1893)
• Plagiopholis styani (BOULENGER, 1899)
• Platemys platycephala (SCHNEIDER, 1792)
• Platyceps afarensis SCHÄTTI & INEICH, 2004
• Platyceps bholanathi (SHARMA, 1976)
• Platyceps collaris (MÜLLER, 1878)
• Platyceps elegantissimus (GÜNTHER, 1878)
• Platyceps florulentus (GEOFFROY SAINT-HILAIRE, 1827)
• Platyceps gracilis (GÜNTHER, 1862)
• Platyceps karelini (BRANDT, 1838)
• Platyceps ladacensis (ANDERSON, 1871)
• Platyceps largeni (SCHÄTTI, 2001)
• Platyceps messanai (SCHÄTTI & LANZA, 1989)
• Platyceps najadum (EICHWALD, 1831)
• Platyceps rhodorachis (JAN, 1863)
• Platyceps saharicus SCHÄTTI & MCCARTHY, 2004
• Platyceps scortecci (LANZA, 1963)
• Platyceps sinai (SCHMIDT & MARX, 1956)
• Platyceps somalicus (BOULENGER, 1896)
• Platyceps taylori (PARKER, 1949)
• Platyceps thomasi (PARKER, 1931)
• Platyceps ventromaculatus (GRAY, 1834)
• Platyceps vittacaudatus (BLYTH, 1854)
• Platyplectrurus madurensis BEDDOME, 1877
• Platyplectrurus trilineatus (BEDDOME, 1867)
• Platysaurus broadleyi BRANCH & WHITING, 1997
• Platysaurus maculatus BROADLEY, 1965
• Platysternon megacephalum GRAY, 1831
• Platysternon peguense GRAY, 1870
• Plectrurus aureus BEDDOME, 1880
• Plectrurus guentheri BEDDOME, 1863
• Plectrurus perroteti DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Plesiodipsas perijanensis (ALEMÁN, 1953)
• Plestiodon brevirostris (GÜNTHER, 1860)
• Plestiodon ochoterenae (TAYLOR, 1933)
• Plestiodon sumichrasti (COPE, 1867)
• Pliocercus elapoides COPE, 1860
• Pliocercus euryzonus COPE, 1862
• Podarcis muralis (LAURENTI, 1768)
• Podocnemis erythrocephala (SPIX, 1824)
• Podocnemis expansa (SCHWEIGGER, 1812)
• Podocnemis lewyana DUMÉRIL, 1852
• Podocnemis sextuberculata CORNALIA, 1849
• Podocnemis unifilis TROSCHEL, 1848
• Podocnemis vogli MÜLLER, 1935
• Poecilopholis cameronensis BOULENGER, 1903
• Pogona henrylawsoni WELLS & WELLINGTON, 1985
• Pogona vitticeps (AHL, 1926)
• Polemon acanthias (REINHARDT, 1861)
• Polemon ater PORTILLO, BRANCH, TILBURY, NAGY, HUGHES, KUSAMBA, MUNINGA, ARISTOTE, BEHANGANA & GREENBAUM, 2019
• Polemon barthii JAN, 1858
• Polemon bocourti MOCQUARD, 1897
• Polemon christyi (BOULENGER, 1903)
• Polemon collaris (PETERS, 1881)
• Polemon fulvicollis (MOCQUARD, 1887)
• Polemon gabonensis (DUMÉRIL, 1856)
• Polemon gracilis (BOULENGER, 1911)
• Polemon graueri (STERNFELD, 1908)
• Polemon griseiceps (LAURENT, 1947)
• Polemon neuwiedi (JAN, 1858)
• Polemon notatus (PETERS, 1882)
• Polemon robustus (DE WITTE & LAURENT, 1943)
• Porthidium arcosae SCHÄTTI & KRAMER, 1993
• Porthidium dunni (HARTWEG & OLIVER, 1938)
• Porthidium hespere (CAMPBELL, 1976)
• Porthidium lansbergii (SCHLEGEL, 1841)
• Porthidium nasutum (BOCOURT, 1868)
• Porthidium ophryomegas (BOCOURT, 1868)
• Porthidium porrasi LAMAR, 2003
• Porthidium volcanicum SOLÓRZANO, 1995
• Porthidium yucatanicum (SMITH, 1941)
• Proatheris superciliaris (PETERS, 1855)
• Prosymna ambigua BOCAGE, 1873
• Prosymna angolensis BOULENGER, 1915
• Prosymna bivittata WERNER, 1903
• Prosymna collaris STERNFELD, 1908
• Prosymna frontalis (PETERS, 1867)
• Prosymna greigerti MOCQUARD, 1906
• Prosymna janii BIANCONI, 1862
• Prosymna lineata (PETERS, 1871)
• Prosymna meleagris (REINHARDT, 1843)
• Prosymna ornatissima BARBOUR & LOVERIDGE, 1928
• Prosymna pitmani BATTERSBY, 1951
• Prosymna ruspolii (BOULENGER, 1896)
• Prosymna semifasciata BROADLEY, 1995
• Prosymna somalica PARKER, 1930
• Prosymna stuhlmanni (PFEFFER, 1893)
• Prosymna sundevalli (SMITH, 1849)
• Prosymna visseri FITZSIMONS, 1959
• Protoblepharus medogensis (JIANG, WU, GUO, LI & CHE, 2020)
• Protoblepharus nyingchiensis (JIANG, WU, WANG, DING & CHE, 2020)
• Protobothrops cornutus (SMITH, 1930)
• Protobothrops dabieshanensis HUANG, PAN, HAN, ZHANG, HOU, YU, ZHENG & ZHANG, 2012
• Protobothrops flavoviridis (HALLOWELL, 1861)
• Protobothrops himalayanus PAN, CHETTRI, YANG, JIANG, WANG, ZHANG & VOGEL, 2013
• Protobothrops jerdonii (GÜNTHER, 1875)
• Protobothrops kaulbacki (SMITH, 1940)
• Protobothrops mangshanensis (ZHAO, 1990)
• Protobothrops maolanensis YANG, ORLOV & WANG, 2011
• Protobothrops mucrosquamatus (CANTOR, 1839)
• Protobothrops sieversorum (ZIEGLER, HERRMANN, DAVID, ORLOV & PAUWELS, 2000)
• Protobothrops tokarensis (NAGAI, 1928)
• Protobothrops trungkhanhensis ORLOV, RYABOV & NGUYEN, 2009
• Protobothrops xiangchengensis (ZHAO, JIANG & HUANG, 1978)
• Psammobates geometricus (LINNAEUS, 1758)
• Psammobates oculifer (KUHL, 1820)
• Psammobates tentorius (BELL, 1828)
• Psammodromus algirus (LINNAEUS, 1758)
• Psammodynastes pictus GÜNTHER, 1858
• Psammodynastes pulverulentus (BOIE, 1827)
• Psammophis aegyptius MARX, 1958
• Psammophis angolensis (BOCAGE, 1872)
• Psammophis ansorgii BOULENGER, 1905
• Psammophis biseriatus PETERS, 1881
• Psammophis brevirostris PETERS, 1881
• Psammophis condanarus (MERREM, 1820)
• Psammophis crucifer (DAUDIN, 1803)
• Psammophis elegans (SHAW, 1802)
• Psammophis indochinensis SMITH, 1943
• Psammophis jallae PERACCA, 1896
• Psammophis leightoni BOULENGER, 1902
• Psammophis leithii GÜNTHER, 1869
• Psammophis leopardinus BOCAGE, 1887
• Psammophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Psammophis lineolatus (BRANDT, 1838)
• Psammophis longifrons BOULENGER, 1890
• Psammophis mossambicus PETERS, 1882
• Psammophis notostictus PETERS, 1867
• Psammophis orientalis BROADLEY, 1977
• Psammophis phillipsii (HALLOWELL, 1844)
• Psammophis praeornatus (SCHLEGEL, 1837)
• Psammophis pulcher BOULENGER, 1895
• Psammophis punctulatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Psammophis rukwae BROADLEY, 1966
• Psammophis schokari (FORSKÅL, 1775)
• Psammophis sibilans (LINNAEUS, 1758)
• Psammophis subtaeniatus PETERS, 1882
• Psammophis sudanensis WERNER, 1919
• Psammophis tanganicus LOVERIDGE, 1940
• Psammophis trigrammus GÜNTHER, 1865
• Psammophis zambiensis HUGHES & WADE, 2002
• Psammophylax multisquamis (LOVERIDGE, 1932)
• Psammophylax rhombeatus (LINNAEUS, 1758)
• Psammophylax tritaeniatus (GÜNTHER, 1868)
• Psammophylax variabilis GÜNTHER, 1893
• Pseudablabes agassizii (JAN, 1863)
• Pseudablabes arnaldoi (AMARAL, 1932)
• Pseudablabes patagoniensis (GIRARD, 1858)
• Pseudagkistrodon rudis (BOULENGER, 1906)
• Pseudalsophis biserialis (GÜNTHER, 1860)
• Pseudalsophis dorsalis (STEINDACHNER, 1876)
• Pseudalsophis eibli (MERTENS, 1960)
• Pseudalsophis elegans (TSCHUDI, 1845)
• Pseudalsophis hoodensis (VAN DENBURGH, 1912)
• Pseudalsophis occidentalis (VAN DENBURGH, 1912)
• Pseudalsophis slevini (VAN DENBURGH, 1912)
• Pseudalsophis steindachneri (VAN DENBURGH, 1912)
• Pseudaspis cana (LINNAEUS, 1758)
• Pseudechis australis (GRAY, 1842)
• Pseudechis butleri SMITH, 1982
• Pseudechis colletti BOULENGER, 1902
• Pseudechis guttatus DE VIS, 1905
• Pseudechis pailsei (HOSER, 1998)
• Pseudechis papuanus PETERS & DORIA, 1878
• Pseudechis porphyriacus (SHAW, 1794)
• Pseudechis rossignolii (HOSER, 2000)
• Pseudelaphe flavirufa (COPE, 1867)
• Pseudemydura umbrina SIEBENROCK, 1901
• Pseudemys alabamensis BAUR, 1893
• Pseudemys concinna (LE CONTE, 1830)
• Pseudemys floridana (LE CONTE, 1830)
• Pseudemys gorzugi WARD, 1984
• Pseudemys nelsoni CARR, 1938
• Pseudemys peninsularis CARR, 1938
• Pseudemys rubriventris (LE CONTE, 1830)
• Pseudemys texana BAUR, 1893
• Pseudoboa coronata SCHNEIDER, 1801
• Pseudoboa haasi (BOETTGER, 1905)
• Pseudoboa martinsi ZAHER, OLIVEIRA & FRANCO, 2008
• Pseudoboa neuwiedii (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudoboa nigra (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudoboa serrana MORATO, MOURA-LEITE, PRUDENTE & BÉRNILS, 1995
• Pseudoboodon abyssinicus MOCQUARD, 1906
• Pseudoboodon boehmei RASMUSSEN & LARGEN, 1992
• Pseudoboodon gascae PERACCA, 1897
• Pseudoboodon lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudoboodon sandfordorum SPAWLS, 2004
• Pseudocerastes fieldi SCHMIDT, 1930
• Pseudocerastes persicus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudocerastes urarachnoides BOSTANCHI, ANDERSON, KAMI & PAPENFUSS, 2006
• Pseudoeryx plicatilis (LINNAEUS, 1758)
• Pseudoeryx relictualis SCHARGEL, RIVAS-FUENMAYOR, BARROS, PÉFAUR & NAVARETTE, 2007
• Pseudoferania polylepis (FISCHER, 1886)
• Pseudoficimia frontalis (COPE, 1864)
• Pseudogekko compresicorpus (TAYLOR, 1915)
• Pseudogonatodes guianensis PARKER, 1935
• Pseudohaje goldii (BOULENGER, 1895)
• Pseudohaje nigra GÜNTHER, 1858
• Pseudoindotyphlops exiguus (JAN, 1864)
• Pseudoindotyphlops porrectus (STOLICZKA, 1871)
• Pseudoleptodeira latifasciata (GÜNTHER, 1894)
• Pseudonaja affinis GÜNTHER, 1872
• Pseudonaja aspidorhyncha (MCCOY, 1879)
• Pseudonaja guttata (PARKER, 1926)
• Pseudonaja inframacula (WAITE, 1925)
• Pseudonaja ingrami (BOULENGER, 1908)
• Pseudonaja mengdeni WELLS & WELLINGTON, 1985
• Pseudonaja modesta (GÜNTHER, 1872)
• Pseudonaja nuchalis GÜNTHER, 1858
• Pseudonaja textilis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudoplectrurus canaricus (BEDDOME, 1870)
• Pseudorabdion collaris (MOCQUARD, 1892)
• Pseudorabdion eiselti INGER & LEVITON, 1961
• Pseudorabdion longiceps (CANTOR, 1847)
• Pseudorabdion mcnamarae (TAYLOR, 1917)
• Pseudorabdion oxycephalum (GÜNTHER, 1858)
• Pseudorabdion sarasinorum (MÜLLER, 1895)
• Pseudorabdion saravacense (SHELFORD, 1901)
• Pseudorabdion talonuran BROWN, LEVITON & SISON, 1999
• Pseudorabdion taylori LEVITON & BROWN, 1959
• Pseudoxenodon bambusicola VOGT, 1922
• Pseudoxenodon inornatus (BOIE, 1827)
• Pseudoxenodon jacobsonii LIDTH DE JEUDE, 1922
• Pseudoxenodon karlschmidti POPE, 1928
• Pseudoxenodon macrops (BLYTH, 1855)
• Pseudoxenodon stejnegeri BARBOUR, 1908
• Pseudoxyrhopus ambreensis MOCQUARD, 1894
• Pseudoxyrhopus ankafinaensis RAXWORTHY & NUSSBAUM, 1994
• Pseudoxyrhopus imerinae (GÜNTHER, 1890)
• Pseudoxyrhopus kely RAXWORTHY & NUSSBAUM, 1994
• Pseudoxyrhopus microps GÜNTHER, 1881
• Pseudoxyrhopus quinquelineatus (GÜNTHER, 1881)
• Pseudoxyrhopus sokosoko RAXWORTHY & NUSSBAUM, 1994
• Pseudoxyrhopus tritaeniatus MOCQUARD, 1894
• Psomophis genimaculatus (BOETTGER, 1885)
• Psomophis joberti (SAUVAGE, 1884)
• Psomophis obtusus (COPE, 1863)
• Psychosaura agmosticha (RODRIGUES, 2000)
• Psychosaura macrorhyncha (HOGE, 1946)
• Ptyas carinata (GÜNTHER, 1864)
• Ptyas dhumnades (CANTOR, 1842)
• Ptyas dipsas (SCHLEGEL, 1837)
• Ptyas doriae (BOULENGER, 1888)
• Ptyas fusca (GÜNTHER, 1858)
• Ptyas herminae (BOETTGER, 1895)
• Ptyas korros (SCHLEGEL, 1837)
• Ptyas luzonensis (GÜNTHER, 1873)
• Ptyas major (GÜNTHER, 1858)
• Ptyas mucosa (LINNAEUS, 1758)
• Ptyas multicincta (ROUX, 1907)
• Ptyas nigromarginata (BLYTH, 1855)
• Ptyas semicarinata (HALLOWELL, 1861)
• Python anchietae BOCAGE, 1887
• Python bivittatus KUHL, 1820
• Python breitensteini STEINDACHNER, 1881
• Python brongersmai STULL, 1938
• Python curtus SCHLEGEL, 1872
• Python molurus (LINNAEUS, 1758)
• Python natalensis SMITH, 1840
• Python regius (SHAW, 1802)
• Python sebae (GMELIN, 1789)
• Pythonodipsas carinata GÜNTHER, 1868
• Pyxis arachnoides BELL, 1827
• Pyxis planicauda (GRANDIDIER, 1867)
• Rabdion forsteni DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Rafetus euphraticus (DAUDIN, 1801)
• Rafetus swinhoei (GRAY, 1873)
• Ramigekko swartbergensis (HAACKE, 1996)
• Ramphotyphlops acuticaudus (PETERS, 1878)
• Ramphotyphlops adocetus WYNN, REYNOLDS, BUDEN, FALANRUW & LYNCH, 2012
• Ramphotyphlops affinis (BOULENGER, 1889)
• Ramphotyphlops ammodytes (MONTAGUE, 1914)
• Ramphotyphlops angusticeps (PETERS, 1878)
• Ramphotyphlops aspina (COUPER, COVACEVICH & WILSON, 1998)
• Ramphotyphlops australis GRAY, 1845
• Ramphotyphlops batillus (WAITE, 1894)
• Ramphotyphlops becki (TANNER, 1948)
• Ramphotyphlops bicolor (PETERS, 1858)
• Ramphotyphlops bipartitus (SAUVAGE, 1879)
• Ramphotyphlops bituberculatus (PETERS, 1863)
• Ramphotyphlops broomi (BOULENGER, 1898)
• Ramphotyphlops centralis (STORR, 1984)
• Ramphotyphlops chamodracaena (INGRAM & COVACEVICH, 1993)
• Ramphotyphlops conradi (PETERS, 1874)
• Ramphotyphlops cumingii (GRAY, 1845)
• Ramphotyphlops depressus PETERS, 1880
• Ramphotyphlops diversus (WAITE, 1894)
• Ramphotyphlops endoterus (WAITE, 1918)
• Ramphotyphlops erycinus (WERNER, 1901)
• Ramphotyphlops exocoeti (BOULENGER, 1887)
• Ramphotyphlops flaviventer (PETERS, 1864)
• Ramphotyphlops grypus (WAITE, 1918)
• Ramphotyphlops guentheri (PETERS, 1865)
• Ramphotyphlops hamatus (STORR, 1981)
• Ramphotyphlops hatmaliyeb WYNN, REYNOLDS, BUDEN, FALANRUW & LYNCH, 2012
• Ramphotyphlops howi (STORR, 1983)
• Ramphotyphlops kimberleyensis (STORR, 1981)
• Ramphotyphlops leptosoma (ROBB, 1972)
• Ramphotyphlops leucoproctus (BOULENGER, 1889)
• Ramphotyphlops ligatus (PETERS, 1879)
• Ramphotyphlops lineatus (SCHLEGEL, 1839)
• Ramphotyphlops lorenzi (WERNER, 1909)
• Ramphotyphlops mansuetus (BARBOUR, 1921)
• Ramphotyphlops margaretae (STORR, 1981)
• Ramphotyphlops marxi (WALLACH, 1993)
• Ramphotyphlops micromma (STORR, 1981)
• Ramphotyphlops minimus (KINGHORN, 1929)
• Ramphotyphlops mollyozakiae WALLACH, 2021
• Ramphotyphlops multilineatus (SCHLEGEL, 1839)
• Ramphotyphlops nigrescens GRAY, 1845
• Ramphotyphlops olivaceus (GRAY, 1845)
• Ramphotyphlops pilbarensis (APLIN & DONNELLAN, 1993)
• Ramphotyphlops pinguis (WAITE, 1897)
• Ramphotyphlops proximus (WAITE, 1893)
• Ramphotyphlops silvia (INGRAM & COVACEVICH, 1993)
• Ramphotyphlops suluensis (TAYLOR, 1918)
• Ramphotyphlops torresianus (BOULENGER, 1889)
• Ramphotyphlops tovelli (LOVERIDGE, 1945)
• Ramphotyphlops troglodytes (STORR, 1981)
• Ramphotyphlops unguirostris (PETERS, 1867)
• Ramphotyphlops waitii (BOULENGER, 1895)
• Ramphotyphlops wiedii (PETERS, 1867)
• Ramphotyphlops willeyi (BOULENGER, 1900)
• Ramphotyphlops yampiensis (STORR, 1981)
• Ramphotyphlops yirrikalae (KINGHORN, 1942)
• Ranacephala hogei (MERTENS, 1967)
• Regina grahamii BAIRD & GIRARD, 1853
• Regina septemvittata (SAY, 1825)
• Rena bressoni (TAYLOR, 1939)
• Rena dugesii (BOCOURT, 1881)
• Rena dulcis BAIRD & GIRARD, 1853
• Rena humilis BAIRD & GIRARD, 1853
• Rena maxima (LOVERIDGE, 1932)
• Rena segrega (KLAUBER, 1939)
• Rena unguirostris (BOULENGER, 1902)
• Rhabdophis adleri ZHAO, 1997
• Rhabdophis angeli (BOURRET, 1934)
• Rhabdophis auriculatus (GÜNTHER, 1858)
• Rhabdophis barbouri (TAYLOR, 1922)
• Rhabdophis callistus (GÜNTHER, 1873)
• Rhabdophis ceylonensis (GÜNTHER, 1858)
• Rhabdophis chrysargoides (GÜNTHER, 1858)
• Rhabdophis chrysargos (SCHLEGEL, 1837)
• Rhabdophis conspicillatus (GÜNTHER, 1872)
• Rhabdophis flaviceps (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Rhabdophis himalayanus (GÜNTHER, 1864)
• Rhabdophis leonardi (WALL, 1923)
• Rhabdophis lineatus (PETERS, 1861)
• Rhabdophis murudensis (SMITH, 1925)
• Rhabdophis nigrocinctus (BLYTH, 1856)
• Rhabdophis nuchalis (BOULENGER, 1891)
• Rhabdophis pentasupralabialis JIANG & ZHAO, 1983
• Rhabdophis plumbicolor (CANTOR, 1839)
• Rhabdophis rhodomelas (BOIE, 1827)
• Rhabdophis subminiatus (SCHLEGEL, 1837)
• Rhabdophis swinhonis (GÜNTHER, 1868)
• Rhabdophis tigrinus (BOIE, 1826)
• Rhabdops olivaceus (BEDDOME, 1863)
• Rhachidelus brazili BOULENGER, 1908
• Rhadinaea bogertorum MYERS, 1974
• Rhadinaea calligaster (COPE, 1875)
• Rhadinaea cuneata MYERS, 1974
• Rhadinaea decorata (GÜNTHER, 1858)
• Rhadinaea flavilata (COPE, 1871)
• Rhadinaea forbesi SMITH, 1942
• Rhadinaea fulvivittis COPE, 1875
• Rhadinaea gaigeae BAILEY, 1937
• Rhadinaea hesperia BAILEY, 1940
• Rhadinaea laureata (GÜNTHER, 1868)
• Rhadinaea macdougalli SMITH & LANGEBARTEL, 1949
• Rhadinaea marcellae TAYLOR, 1949
• Rhadinaea montana SMITH, 1944
• Rhadinaea myersi ROSSMAN, 1965
• Rhadinaea omiltemana (GÜNTHER, 1894)
• Rhadinaea pulveriventris BOULENGER, 1896
• Rhadinaea quinquelineata COPE, 1886
• Rhadinaea sargenti DUNN & BAILEY, 1939
• Rhadinaea taeniata (PETERS, 1863)
• Rhadinella anachoreta (SMITH & CAMPBELL, 1994)
• Rhadinella godmani (GÜNTHER, 1865)
• Rhadinella hannsteini (STUART, 1949)
• Rhadinella hempsteadae (STUART & BAILEY, 1941)
• Rhadinella kanalchutchan (MENDELSON & KIZIRIAN, 1995)
• Rhadinella kinkelini (BOETTGER, 1898)
• Rhadinella lachrymans (COPE, 1870)
• Rhadinella montecristi (MERTENS, 1952)
• Rhadinella pegosalyta (MCCRANIE, 2006)
• Rhadinella pilonaorum (STUART, 1954)
• Rhadinella posadasi (SLEVIN, 1936)
• Rhadinella rogerromani (KÖHLER & MCCRANIE, 1999)
• Rhadinella schistosa SMITH, 1941
• Rhadinella serperaster (COPE, 1871)
• Rhadinella stadelmani (STUART & BAILEY, 1941)
• Rhadinella tolpanorum (HOLM & CRUZ-DÍAZ, 1994)
• Rhadinophanes monticola MYERS & CAMPBELL, 1981
• Rhamnophis aethiopissa GÜNTHER, 1862
• Rhamnophis batesii (BOULENGER, 1908)
• Rhamphiophis maradiensis CHIRIO & INEICH, 1991
• Rhamphiophis oxyrhynchus (REINHARDT, 1843)
• Rhamphiophis rostratus PETERS, 1854
• Rhamphiophis rubropunctatus (FISCHER, 1884)
• Rhampholeon maspictus BRANCH, BAYLISS & TOLLEY, 2014
• Rhampholeon tilburyi BRANCH, BAYLISS & TOLLEY, 2014
• Rheodytes leukops LEGLER, 1980
• Rhinemys rufipes (SPIX, 1824)
• Rhineura floridana (BAIRD, 1858)
• Rhinobothryum bovallii (ANDERSSON, 1916)
• Rhinobothryum lentiginosum (SCOPOLI, 1785)
• Rhinocheilus antonii DUGÈS, 1886
• Rhinocheilus lecontei BAIRD & GIRARD, 1853
• Rhinoclemmys annulata (GRAY, 1860)
• Rhinoclemmys areolata (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
• Rhinoclemmys diademata (MERTENS, 1954)
• Rhinoclemmys funerea (COPE, 1875)
• Rhinoclemmys melanosterna (GRAY, 1861)
• Rhinoclemmys nasuta (BOULENGER, 1902)
• Rhinoclemmys pulcherrima (GRAY, 1855)
• Rhinoclemmys punctularia (DAUDIN, 1801)
• Rhinoclemmys rubida (COPE, 1870)
• Rhinogekko femoralis (SMITH, 1933)
• Rhinoleptus koniagui (VILLIERS, 1956)
• Rhinophis blythii KELAART, 1853
• Rhinophis drummondhayi WALL, 1921
• Rhinophis fergusonianus BOULENGER, 1896
• Rhinophis homolepis HEMPRICH, 1820
• Rhinophis oxyrhynchus (SCHNEIDER, 1801)
• Rhinophis philippinus (CUVIER, 1829)
• Rhinophis phillipsi (NICHOLLS, 1929)
• Rhinophis saffragamus (KELAART, 1853)
• Rhinophis sanguineus BEDDOME, 1863
• Rhinophis travancoricus BOULENGER, 1892
• Rhinoplocephalus bicolor MÜLLER, 1885
• Rhinotyphlops ataeniatus (BOULENGER, 1912)
• Rhinotyphlops boylei (FITZSIMONS, 1932)
• Rhinotyphlops lalandei (SCHLEGEL, 1839)
• Rhinotyphlops leucocephalus (PARKER, 1930)
• Rhinotyphlops schinzi (BOETTGER, 1887)
• Rhinotyphlops scorteccii (GANS & LAURENT, 1965)
• Rhinotyphlops unitaeniatus (PETERS, 1878)
• Rhynchocalamus arabicus SCHMIDT, 1933
• Rhynchocalamus melanocephalus (JAN, 1862)
• Riolama leucosticta (BOULENGER, 1900)
• Riopa popae SHREVE, 1940
• Riopa vosmaerii (GRAY, 1839)
• Rodriguesophis chui (RODRIGUES, 1993)
• Rodriguesophis iglesiasi (GOMES, 1915)
• Sacalia bealei (GRAY, 1831)
• Sacalia quadriocellata (SIEBENROCK, 1903)
• Sahyadriophis beddomei (GÜNTHER, 1864)
• Salomonelaps par (BOULENGER, 1884)
• Salvadora bairdi JAN, 1860
• Salvadora deserticola SCHMIDT, 1940
• Salvadora grahamiae BAIRD & GIRARD, 1853
• Salvadora hexalepis (COPE, 1867)
• Salvadora intermedia HARTWEG, 1940
• Salvadora lemniscata (COPE, 1895)
• Salvadora lineata SCHMIDT, 1940
• Salvadora mexicana (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Salvator merianae DUMÉRIL & BIBRON, 1839
• Sanzinia madagascariensis (DUMÉRIL & BIBRON, 1844)
• Sanzinia volontany VENCES & GLAW, 2004
• Saphenophis antioquiensis (DUNN, 1943)
• Saphenophis atahuallpae (STEINDACHNER, 1901)
• Saphenophis boursieri (JAN, 1867)
• Saphenophis sneiderni MYERS, 1973
• Sauromalus ater DUMÉRIL, 1856
• Sauromalus hispidus STEJNEGER, 1891
• Sauromalus klauberi SHAW, 1941
• Sauromalus slevini VAN DENBURGH, 1922
• Sauromalus varius DICKERSON, 1919
• Scaphiodontophis annulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Scaphiodontophis venustissimus (GÜNTHER, 1894)
• Scaphiophis albopunctatus PETERS, 1870
• Scaphiophis raffreyi BOCOURT, 1875
• Sceloporus bicanthalis SMITH, 1937
• Sceloporus chrysostictus COPE, 1866
• Sceloporus cozumelae JONES, 1927
• Sceloporus cryptus SMITH & LYNCH, 1967
• Sceloporus edwardtaylori SMITH, 1936
• Sceloporus formosus WIEGMANN, 1834
• Sceloporus gadoviae BOULENGER, 1905
• Sceloporus goldmani SMITH, 1937
• Sceloporus horridus WIEGMANN, 1834
• Sceloporus internasalis SMITH & BUMZAHEM, 1955
• Sceloporus jalapae GÜNTHER, 1890
• Sceloporus lunae BOCOURT, 1873
• Sceloporus lundelli SMITH, 1939
• Sceloporus macdougalli SMITH & BUMZAHEM, 1953
• Sceloporus megalepidurus SMITH, 1934
• Sceloporus melanorhinus BOCOURT, 1876
• Sceloporus mucronatus COPE, 1885
• Sceloporus ochoterenae SMITH, 1934
• Sceloporus salvini GÜNTHER, 1890
• Sceloporus serrifer COPE, 1866
• Sceloporus siniferus COPE, 1870
• Sceloporus smithi HARTWEG & OLIVER, 1937
• Sceloporus spinosus WIEGMANN, 1828
• Sceloporus squamosus BOCOURT, 1874
• Sceloporus subpictus LYNCH & SMITH, 1965
• Sceloporus variabilis WIEGMANN, 1834
• Scelotes limpopoensis FITZSIMONS, 1930
• Scincella assata (COPE, 1864)
• Scincella cherriei (COPE, 1893)
• Scincella gemmingeri (COPE, 1864)
• Scolecophis atrocinctus (SCHLEGEL, 1837)
• Seminatrix pygaea (COPE, 1871)
• Senticolis triaspis (COPE, 1866)
• Sepsina bayonii (BOCAGE, 1866)
• Siagonodon borrichianus (DEGERBØL, 1923)
• Siagonodon septemstriatus (SCHNEIDER, 1801)
• Sibon annulatus (GÜNTHER, 1872)
• Sibon anthracops (COPE, 1868)
• Sibon argus (COPE, 1875)
• Sibon carri (SHREVE, 1951)
• Sibon dimidiatus (GÜNTHER, 1872)
• Sibon dunni PETERS, 1957
• Sibon lamari SOLÓRZANO, 2001
• Sibon longifrenis (STEJNEGER, 1909)
• Sibon manzanaresi MCCRANIE, 2007
• Sibon miskitus MCCRANIE, 2006
• Sibon nebulatus (LINNAEUS, 1758)
• Sibynophis bistrigatus (GÜNTHER, 1868)
• Sibynophis chinensis (GÜNTHER, 1889)
• Sibynophis collaris (GRAY, 1853)
• Sibynophis geminatus (BOIE, 1826)
• Sibynophis melanocephalus (GRAY, 1834)
• Sibynophis sagittarius (CANTOR, 1839)
• Sibynophis subpunctatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Sibynophis triangularis TAYLOR & ELBEL, 1958
• Siderolamprus enneagrammus COPE, 1861
• Siderolamprus rozellae (SMITH, 1942)
• Siebenrockiella crassicollis (GRAY, 1831)
• Simalia amethistina (SCHNEIDER, 1801)
• Simalia boeleni (BRONGERSMA, 1953)
• Simalia kinghorni (STULL, 1933)
• Simalia tracyae (HARVEY, BARKER, AMMERMAN & CHIPPINDALE, 2000)
• Simophis rhinostoma (SCHLEGEL, 1837)
• Simoselaps anomalus (STERNFELD, 1919)
• Simoselaps bertholdi (JAN, 1859)
• Simoselaps littoralis (STORR, 1968)
• Simoselaps minimus (WORRELL, 1960)
• Sinomicrurus boettgeri (FRITZE, 1894)
• Sinomicrurus iwasakii (MAKI, 1935)
• Sinomicrurus japonicus (GÜNTHER, 1868)
• Sinomicrurus kelloggi (POPE, 1928)
• Sinomicrurus macclellandi (REINHARDT, 1844)
• Sinomicrurus sauteri (STEINDACHNER, 1913)
• Siphlophis ayauma SHEEHY III, YÁNEZ-MUÑOZ, VALENCIA & SMITH, 2014
• Siphlophis cervinus (LAURENTI, 1768)
• Siphlophis compressus (DAUDIN, 1803)
• Siphlophis leucocephalus (GÜNTHER, 1863)
• Siphlophis longicaudatus (ANDERSSON, 1901)
• Siphlophis pulcher (RADDI, 1820)
• Siphlophis worontzowi (PRADO, 1940)
• Sistrurus catenatus (RAFINESQUE, 1818)
• Sistrurus miliarius (LINNAEUS, 1766)
• Sistrurus tergeminus (SAY, 1823)
• Smithophis bicolor (BLYTH, 1855)
• Sonora aemula (COPE, 1879)
• Sonora episcopa (KENNICOTT, 1859)
• Sonora michoacanensis (DUGÈS, 1885)
• Sonora mutabilis STICKEL, 1943
• Sonora occipitalis (HALLOWELL, 1854)
• Sonora palarostris KLAUBER, 1937
• Sonora punctatissima (VAN DENBURGH & SLEVIN, 1921)
• Sonora savagei (CLIFF, 1954)
• Sonora semiannulata BAIRD & GIRARD, 1853
• Sonora straminea (COPE, 1860)
• Spalerosophis arenarius (BOULENGER, 1890)
• Spalerosophis atriceps (FISCHER, 1885)
• Spalerosophis diadema (SCHLEGEL, 1837)
• Spalerosophis dolichospilus (WERNER, 1923)
• Spalerosophis josephscorteccii LANZA, 1964
• Spalerosophis microlepis JAN, 1865
• Sphaerodactylus argus GOSSE, 1850
• Sphaerodactylus continentalis WERNER, 1896
• Sphaerodactylus glaucus COPE, 1866
• Sphaerodactylus macrolepis GÜNTHER, 1859
• Sphaerodactylus millepunctatus (HALLOWELL, 1861)
• Sphaerodactylus molei BOETTGER, 1894
• Sphenodon punctatus (GRAY, 1842)
• Sphenomorphus latifasciatus (MEYER, 1874)
• Sphenomorphus melanopogon (DUMÉRIL & BIBRON, 1839)
• Sphenomorphus minutus (MEYER, 1874)
• Spilotes megalolepis (GÜNTHER, 1865)
• Spilotes pullatus (LINNAEUS, 1758)
• Spilotes sulphureus (WAGLER, 1824)
• Spondylurus sloanii (DAUDIN, 1803)
• Spondylurus turksae HEDGES & CONN, 2012
• Staurotypus salvinii GRAY, 1864
• Staurotypus triporcatus (WIEGMANN, 1828)
• Stegonotus alcalai OTA & ROSS, 1994
• Stegonotus borneensis INGER, 1967
• Stegonotus cucullatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Stegonotus florensis (DE ROOIJ, 1917)
• Stegonotus muelleri DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Stegonotus parvus (MEYER, 1874)
• Stegonotus philippinensis DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Stegonotus philippinus (GRIFFIN, 1909)
• Stegonotus solivagus OTA & ROSS, 1994
• Stenorrhina degenhardtii (BERTHOLD, 1846)
• Stenorrhina freminvillei (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Sternotherus carinatus (GRAY, 1856)
• Sternotherus depressus TINKLE & WEBB, 1955
• Sternotherus minor (AGASSIZ, 1857)
• Sternotherus odoratus (LATREILLE, 1802)
• Sternotherus peltifer SMITH & GLASS, 1947
• Stichophanes ningshaanensis (YUAN, 1983)
• Stigmochelys pardalis (BELL, 1828)
• Stoliczkia khasiensis JERDON, 1870
• Storeria dekayi (HOLBROOK, 1839)
• Storeria occipitomaculata (STORER, 1839)
• Storeria storerioides (COPE, 1866)
• Subsessor bocourti (JAN, 1865)
• Sumatranus albomaculata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Sundatyphlops polygrammicus (SCHLEGEL, 1839)
• Suta dwyeri (WORRELL, 1956)
• Suta fasciata (ROSÉN, 1905)
• Suta flagellum (MCCOY, 1878)
• Suta gouldii (GRAY, 1841)
• Suta monachus (STORR, 1964)
• Suta nigriceps (GÜNTHER, 1863)
• Suta ordensis (STORR, 1984)
• Suta punctata (BOULENGER, 1896)
• Suta spectabilis KREFFT, 1869
• Suta suta (PETERS, 1863)
• Symphimus leucostomus COPE, 1869
• Symphimus mayae (GAIGE, 1936)
• Sympholis lippiens COPE, 1862
• Synophis bicolor PERACCA, 1896
• Synophis calamitus HILLIS, 1990
• Synophis lasallei (NICÉFORO-MARIA, 1950)
• Synophis plectovertebralis SHEIL & GRANT, 2001
• Tachymenis ocellata DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Tachymenis peruviana WIEGMANN, 1834
• Tachymenis trigonatus (LEYBOLD, 1873)
• Taeniophallus brevirostris (PETERS, 1863)
• Taeniophallus nebularis SCHARGEL, RIVAS & MYERS, 2005
• Taeniophallus nicagus (COPE, 1868)
• Tantalophis discolor (GÜNTHER, 1860)
• Tantilla albiceps BARBOUR, 1925
• Tantilla alticola (BOULENGER, 1903)
• Tantilla andinista WILSON & MENA, 1980
• Tantilla armillata COPE, 1875
• Tantilla atriceps (GÜNTHER, 1895)
• Tantilla bairdi STUART, 1941
• Tantilla bocourti (GÜNTHER, 1895)
• Tantilla brevicauda MERTENS, 1952
• Tantilla briggsi SAVITZKY & SMITH, 1971
• Tantilla calamarina COPE, 1866
• Tantilla capistrata COPE, 1875
• Tantilla cascadae WILSON & MEYER, 1981
• Tantilla ceboruca CANSECO-MÁRQUEZ, SMITH, PONCE-CAMPOS, FLORES-VILLELA & CAMPBELL, 2007
• Tantilla coronadoi HARTWEG, 1944
• Tantilla coronata BAIRD & GIRARD, 1853
• Tantilla cucullata MINTON, 1956
• Tantilla cuniculator SMITH, 1939
• Tantilla deppei (BOCOURT, 1883)
• Tantilla flavilineata SMITH & BURGER, 1950
• Tantilla gracilis BAIRD & GIRARD, 1853
• Tantilla hendersoni STAFFORD, 2004
• Tantilla hobartsmithi TAYLOR, 1937
• Tantilla impensa CAMPBELL, 1998
• Tantilla insulamontana WILSON & MENA, 1980
• Tantilla jani (GÜNTHER, 1895)
• Tantilla johnsoni WILSON, VAUGHN & DIXON, 1999
• Tantilla lempira WILSON & MENA, 1980
• Tantilla melanocephala (LINNAEUS, 1758)
• Tantilla miyatai WILSON & KNIGHT, 1987
• Tantilla moesta (GÜNTHER, 1863)
• Tantilla nigra (BOULENGER, 1914)
• Tantilla nigriceps KENNICOTT, 1860
• Tantilla oaxacae WILSON & MEYER, 1971
• Tantilla oolitica TELFORD, 1966
• Tantilla petersi WILSON, 1979
• Tantilla planiceps (BLAINVILLE, 1835)
• Tantilla psittaca MCCRANIE, 2011
• Tantilla relicta TELFORD, 1966
• Tantilla reticulata (COPE, 1860)
• Tantilla robusta CANSECO-MÁRQUEZ, MENDELSON & GUTIÉRREZ-MAYÉN, 2002
• Tantilla rubra COPE, 1875
• Tantilla ruficeps (COPE, 1894)
• Tantilla schistosa (BOCOURT, 1883)
• Tantilla semicincta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Tantilla sertula WILSON & CAMPBELL, 2000
• Tantilla shawi TAYLOR, 1949
• Tantilla slavensi PÉREZ-HIGAREDA, SMITH & SMITH, 1985
• Tantilla striata DUNN, 1928
• Tantilla supracincta (PETERS, 1863)
• Tantilla taeniata BOCOURT, 1883
• Tantilla tayrae WILSON, 1983
• Tantilla tecta CAMPBELL & SMITH, 1997
• Tantilla tritaeniata SMITH & WILLIAMS, 1966
• Tantilla vermiformis (HALLOWELL, 1861)
• Tantilla vulcani CAMPBELL, 1998
• Tantilla wilcoxi STEJNEGER, 1902
• Tantilla yaquia SMITH, 1942
• Tantillita brevissima (TAYLOR, 1937)
• Tantillita canula (COPE, 1875)
• Tantillita lintoni (SMITH, 1940)
• Tarentola americana (GRAY, 1831)
• Telescopus beetzi (BARBOUR, 1922)
• Telescopus dhara (FORSKÅL, 1775)
• Telescopus fallax FLEISCHMANN, 1831
• Telescopus finkeldeyi HAACKE, 2013
• Telescopus gezirae BROADLEY, 1994
• Telescopus hoogstraali SCHMIDT & MARX, 1956
• Telescopus nigriceps (AHL, 1924)
• Telescopus obtusus (REUSS, 1834)
• Telescopus pulcher (SCORTECCI, 1935)
• Telescopus rhinopoma (BLANFORD, 1874)
• Telescopus semiannulatus SMITH, 1849
• Telescopus somalicus (PARKER, 1949)
• Telescopus tessellatus (WALL, 1908)
• Telescopus tripolitanus (WERNER, 1909)
• Telescopus variegatus (REINHARDT, 1843)
• Teretrurus rhodogaster (WALL, 1921)
• Teretrurus sanguineus (BEDDOME, 1867)
• Teretrurus travancoricus BEDDOME, 1886
• Terrapene carolina (LINNAEUS, 1758)
• Terrapene coahuila SCHMIDT & OWENS, 1944
• Terrapene mexicana (GRAY, 1849)
• Terrapene nelsoni STEJNEGER, 1925
• Terrapene ornata (AGASSIZ, 1857)
• Terrapene triunguis (AGASSIZ, 1857)
• Terrapene yucatana (BOULENGER, 1895)
• Testudo graeca LINNAEUS, 1758
• Testudo hermanni GMELIN, 1789
• Testudo horsfieldii GRAY, 1844
• Testudo kleinmanni LORTET, 1883
• Testudo marginata SCHOEPFF, 1792
• Tetracheilostoma bilineatum (SCHLEGEL, 1839)
• Tetracheilostoma breuili (HEDGES, 2008)
• Tetracheilostoma carlae (HEDGES, 2008)
• Tetradactylus eastwoodae HEWITT & METHUEN, 1913
• Tetralepis fruhstorferi BOETTGER, 1892
• Thamnodynastes longicaudus FRANCO, FERREIRA, MARQUES & SAZIMA, 2003
• Thamnodynastes pallidus (LINNAEUS, 1758)
• Thamnodynastes sertanejo BAILEY, THOMAS & DA SILVA, 2005
• Thamnophis atratus KENNICOTT, 1860
• Thamnophis bogerti ROSSMAN & BURBRINK, 2005
• Thamnophis brachystoma (COPE, 1892)
• Thamnophis butleri (COPE, 1889)
• Thamnophis chrysocephalus (COPE, 1885)
• Thamnophis copei DUGÈS, 1879
• Thamnophis couchii (KENNICOTT, 1859)
• Thamnophis cyrtopsis (KENNICOTT, 1860)
• Thamnophis elegans (BAIRD & GIRARD, 1853)
• Thamnophis eques (REUSS, 1834)
• Thamnophis errans SMITH, 1942
• Thamnophis exsul ROSSMAN, 1969
• Thamnophis foxi ROSSMAN & BLANEY, 1968
• Thamnophis fulvus (BOCOURT, 1893)
• Thamnophis gigas FITCH, 1940
• Thamnophis godmani (GÜNTHER, 1894)
• Thamnophis hammondii (KENNICOTT, 1860)
• Thamnophis marcianus (BAIRD & GIRARD, 1853)
• Thamnophis melanogaster (PETERS, 1864)
• Thamnophis mendax WALKER, 1955
• Thamnophis nigronuchalis THOMPSON, 1957
• Thamnophis ordinoides (BAIRD & GIRARD, 1852)
• Thamnophis postremus SMITH, 1942
• Thamnophis proximus (SAY, 1823)
• Thamnophis pulchrilatus (COPE, 1885)
• Thamnophis radix (BAIRD & GIRARD, 1853)
• Thamnophis rossmani CONANT, 2000
• Thamnophis rufipunctatus (COPE, 1875)
• Thamnophis saurita (LINNAEUS, 1766)
• Thamnophis scalaris COPE, 1861
• Thamnophis scaliger (JAN, 1863)
• Thamnophis sirtalis (LINNAEUS, 1758)
• Thamnophis sumichrasti (COPE, 1866)
• Thamnophis unilabialis TANNER, 1985
• Thamnophis validus (KENNICOTT, 1860)
• Thamnosophis infrasignatus (GÜNTHER, 1882)
• Thamnosophis lateralis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Thamnosophis martae (GLAW, FRANZEN & VENCES, 2005)
• Thamnosophis mavotenda GLAW, NAGY, KÖHLER, FRANZEN & VENCES, 2009
• Thamnosophis stumpffi (BOETTGER, 1881)
• Thecadactylus rapicauda (HOUTTUYN, 1782)
• Thelotornis capensis SMITH, 1849
• Thelotornis kirtlandii (HALLOWELL, 1844)
• Thelotornis mossambicanus (BOCAGE, 1895)
• Thelotornis oatesi (GÜNTHER, 1881)
• Thelotornis uluguruensis (BROADLEY & WALLACH, 2002)
• Thelotornis usambaricus BROADLEY, 2001
• Thermophis baileyi (WALL, 1907)
• Thermophis zhaoermii GUO, LIU, FENG & HE, 2008
• Thrasops flavigularis (HALLOWELL, 1852)
• Thrasops jacksonii GÜNTHER, 1895
• Thrasops occidentalis PARKER, 1940
• Thrasops schmidti LOVERIDGE, 1936
• Tiliqua scincoides (WHITE, 1790)
• Tomodon dorsatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Toxicocalamus buergersi (STERNFELD, 1913)
• Toxicocalamus grandis (BOULENGER, 1914)
• Toxicocalamus loennbergii (BOULENGER, 1908)
• Toxicocalamus longissimus BOULENGER, 1896
• Toxicocalamus loriae (BOULENGER, 1898)
• Toxicocalamus preussi (STERNFELD, 1913)
• Toxicocalamus stanleyanus BOULENGER, 1903
• Toxicodryas blandingii (HALLOWELL, 1844)
• Toxicodryas pulverulenta (FISCHER, 1856)
• Trachemys adiutrix VANZOLINI, 1995
• Trachemys callirostris (GRAY, 1855)
• Trachemys decorata (BARBOUR & CARR, 1940)
• Trachemys decussata (GRAY, 1831)
• Trachemys dorbigni (DUMÉRIL & BIBRON, 1835)
• Trachemys gaigeae (HARTWEG, 1939)
• Trachemys grayi (BOCOURT, 1868)
• Trachemys medemi VARGAS-RAMÍREZ, VALLE, CEBALLOS & FRITZ, 2017
• Trachemys nebulosa (VAN DENBURGH, 1895)
• Trachemys ornata (GRAY, 1831)
• Trachemys scripta (THUNBERG, 1792)
• Trachemys stejnegeri SCHMIDT, 1928
• Trachemys taylori (LEGLER, 1960)
• Trachemys terrapen (BONNATERRE, 1789)
• Trachemys venusta (GRAY, 1856)
• Trachemys yaquia (LEGLER & WEBB, 1970)
• Trachischium fuscum (BLYTH, 1855)
• Trachischium guentheri BOULENGER, 1890
• Trachischium laeve PERACCA, 1904
• Trachischium monticola (CANTOR, 1839)
• Trachischium reticulata (BLYTH, 1855)
• Trachischium tenuiceps (BLYTH, 1855)
• Trachylepis boulengeri (STERNFELD, 1911)
• Trachylepis maculilabris (GRAY, 1845)
• Trachylepis margaritifer (PETERS, 1854)
• Trachylepis notabilis (PETERS, 1879)
• Trachylepis striata (PETERS, 1844)
• Trachylepis varia (PETERS, 1867)
• Tretanorhinus mocquardi BOCOURT, 1891
• Tretanorhinus nigroluteus COPE, 1861
• Tretanorhinus taeniatus BOULENGER, 1903
• Tretanorhinus variabilis DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Tribolonotus novaeguineae (SCHLEGEL, 1834)
• Tricheilostoma bicolor (JAN, 1860)
• Tricheilostoma broadleyi (WALLACH & HAHN, 1997)
• Tricheilostoma dissimilis (BOCAGE, 1886)
• Tricheilostoma greenwelli (WALLACH & BOUNDY, 2005)
• Tricheilostoma sundewalli (JAN, 1862)
• Trilepida acutirostris PINTO & CURCIO, 2011
• Trilepida affinis (BOULENGER, 1884)
• Trilepida anthracina (BAILEY, 1946)
• Trilepida brasiliensis (LAURENT, 1949)
• Trilepida dimidiata (JAN, 1861)
• Trilepida dugandi (DUNN, 1944)
• Trilepida fuliginosa (PASSOS, CARAMASCHI & PINTO, 2006)
• Trilepida joshuai (DUNN, 1944)
• Trilepida koppesi (AMARAL, 1955)
• Trilepida macrolepis (PETERS, 1858)
• Trilepida nicefori (DUNN, 1946)
• Trilepida salgueiroi (AMARAL, 1955)
• Trimeresurus albolabris GRAY, 1842
• Trimeresurus andersonii THEOBALD, 1868
• Trimeresurus cantori (BLYTH, 1846)
• Trimeresurus cardamomensis (MALHOTRA, THORPE, MRINALINI & STUART, 2011)
• Trimeresurus erythrurus (CANTOR, 1839)
• Trimeresurus fasciatus (BOULENGER, 1896)
• Trimeresurus flavomaculatus (GRAY, 1842)
• Trimeresurus gumprechti DAVID, VOGEL, PAUWELS & VIDAL, 2002
• Trimeresurus hageni (LIDTH DE JEUDE, 1886)
• Trimeresurus insularis KRAMER, 1977
• Trimeresurus kanburiensis SMITH, 1943
• Trimeresurus labialis FITZINGER, 1867
• Trimeresurus macrops KRAMER, 1977
• Trimeresurus malcolmi LOVERIDGE, 1938
• Trimeresurus mcgregori TAYLOR, 1919
• Trimeresurus medoensis ZHAO, 1977
• Trimeresurus nebularis VOGEL, DAVID & PAUWELS, 2004
• Trimeresurus popeiorum SMITH, 1937
• Trimeresurus purpureomaculatus (GRAY, 1832)
• Trimeresurus sabahi REGENASS & KRAMER, 1981
• Trimeresurus schultzei GRIFFIN, 1909
• Trimeresurus septentrionalis KRAMER, 1977
• Trimeresurus sichuanensis (GUO & WANG, 2011)
• Trimeresurus stejnegeri SCHMIDT, 1925
• Trimeresurus sumatranus (RAFFLES, 1822)
• Trimeresurus tibetanus HUANG, 1982
• Trimeresurus truongsonensis ORLOV, RYABOV, THANH & CUC, 2004
• Trimeresurus venustus VOGEL, 1991
• Trimeresurus vogeli DAVID, VIDAL & PAUWELS, 2001
• Trimeresurus yunnanensis SCHMIDT, 1925
• Trimerodytes aequifasciatus (BARBOUR, 1908)
• Trimerodytes annularis (HALLOWELL, 1856)
• Trimerodytes balteatus COPE, 1895
• Trimerodytes percarinatus (BOULENGER, 1899)
• Trimerodytes praemaxillaris (ANGEL, 1929)
• Trimerodytes yunnanensis (RAO & YANG, 1998)
• Trimetopon barbouri DUNN, 1930
• Trimetopon gracile (GÜNTHER, 1872)
• Trimetopon pliolepis COPE, 1894
• Trimetopon simile DUNN, 1930
• Trimetopon slevini DUNN, 1940
• Trimetopon viquezi DUNN, 1937
• Trimorphodon biscutatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Trimorphodon lambda COPE, 1886
• Trimorphodon lyrophanes (COPE, 1860)
• Trimorphodon paucimaculatus TAYLOR, 1936
• Trimorphodon quadruplex SMITH, 1941
• Trimorphodon tau COPE, 1870
• Trimorphodon vilkinsonii COPE, 1886
• Trioceros jacksonii (BOULENGER, 1896)
• Trioceros melleri (GRAY, 1865)
• Trionyx triunguis (FORSKÅL, 1775)
• Trogonophis wiegmanni KAUP, 1830
• Tropidechis carinatus (KREFFT, 1863)
• Tropidoclonion lineatum (HALLOWELL, 1856)
• Tropidodipsas fasciata GÜNTHER, 1858
• Tropidodipsas fischeri (BOULENGER, 1894)
• Tropidodipsas philippii (JAN, 1863)
• Tropidodipsas repleta SMITH, LEMOS-ESPINAL, HARTMAN & CHISZAR, 2005
• Tropidodipsas zweifeli (LINER & WILSON, 1970)
• Tropidodryas serra (SCHLEGEL, 1837)
• Tropidodryas striaticeps (COPE, 1870)
• Tropidolaemus huttoni (SMITH, 1949)
• Tropidolaemus laticinctus KUCH, GUMPRECHT & MELAUN, 2007
• Tropidolaemus philippensis (GRAY, 1842)
• Tropidolaemus subannulatus (GRAY, 1842)
• Tropidolaemus wagleri (BOIE, 1827)
• Tropidonophis dahlii (WERNER, 1899)
• Tropidonophis dendrophiops (GÜNTHER, 1883)
• Tropidonophis dolasii KRAUS & ALLISON, 2004
• Tropidonophis doriae (BOULENGER, 1898)
• Tropidonophis elongatus (JAN, 1865)
• Tropidonophis hypomelas (GÜNTHER, 1877)
• Tropidonophis mairii (GRAY, 1841)
• Tropidonophis mcdowelli MALNATE & UNDERWOOD, 1988
• Tropidonophis montanus (LIDTH DE JEUDE, 1911)
• Tropidonophis multiscutellatus (BRONGERSMA, 1948)
• Tropidonophis negrosensis (TAYLOR, 1917)
• Tropidonophis parkeri MALNATE & UNDERWOOD, 1988
• Tropidonophis picturatus (SCHLEGEL, 1837)
• Tropidonophis punctiventris (BOETTGER, 1895)
• Tropidonophis spilogaster (BOIE, 1827)
• Tropidonophis statisticus MALNATE & UNDERWOOD, 1988
• Tropidonophis truncatus (PETERS, 1863)
• Tropidophis battersbyi LAURENT, 1949
• Tropidophis boulengeri (PERACCA, 1910)
• Tropidophis bucculentus (COPE, 1868)
• Tropidophis canus (COPE, 1868)
• Tropidophis caymanensis BATTERSBY, 1938
• Tropidophis celiae HEDGES, ESTRADA & DÍAZ, 1999
• Tropidophis curtus (GARMAN, 1887)
• Tropidophis feicki SCHWARTZ, 1957
• Tropidophis fuscus HEDGES & GARRIDO, 1992
• Tropidophis galacelidus SCHWARTZ & GARRIDO, 1975
• Tropidophis grapiuna CURCIO, SALES-NUNES, SUZART ARGOLO, SKUK & RODRIGUES, 2012
• Tropidophis greenwayi BARBOUR & SHREVE, 1936
• Tropidophis gularis PETERS, 1860
• Tropidophis haetianus (COPE, 1879)
• Tropidophis hardyi SCHWARTZ & GARRIDO, 1975
• Tropidophis hendersoni HEDGES & GARRIDO, 2002
• Tropidophis jamaicensis STULL, 1928
• Tropidophis maculatus (BIBRON, 1840)
• Tropidophis melanurus (SCHLEGEL, 1837)
• Tropidophis morenoi HEDGES, GARRIDO & DÍAZ, 2001
• Tropidophis nigriventris BAILEY, 1937
• Tropidophis pardalis (GUNDLACH, 1840)
• Tropidophis parkeri GRANT, 1941
• Tropidophis paucisquamis (MÜLLER, 1901)
• Tropidophis pilsbryi BAILEY, 1937
• Tropidophis schwartzi THOMAS, 1963
• Tropidophis semicinctus (GUNDLACH & PETERS, 1864)
• Tropidophis spiritus HEDGES & GARRIDO, 1999
• Tropidophis stejnegeri GRANT, 1940
• Tropidophis stullae GRANT, 1940
• Tropidophis taczanowskyi (STEINDACHNER, 1880)
• Tropidophis wrighti STULL, 1928
• Tropidophis xanthogaster DOMÍNGUEZ, MORENO & HEDGES, 2006
• Tropidurus torquatus (WIED-NEUWIED, 1820)
• Typhlophis squamosus (SCHLEGEL, 1839)
• Typhlops capitulatus RICHMOND, 1964
• Typhlops eperopeus THOMAS & HEDGES, 2007
• Typhlops gonavensis RICHMOND, 1964
• Typhlops hectus THOMAS, 1974
• Typhlops jamaicensis (SHAW, 1802)
• Typhlops lumbricalis (LINNAEUS, 1758)
• Typhlops oxyrhinus DOMÍNGUEZ & DÍAZ, 2011
• Typhlops pachyrhinus DOMÍNGUEZ & DÍAZ, 2011
• Typhlops pusillus BARBOUR, 1914
• Typhlops rostellatus STEJNEGER, 1904
• Typhlops schwartzi THOMAS, 1989
• Typhlops sulcatus COPE, 1868
• Typhlops syntherus THOMAS, 1965
• Typhlops tetrathyreus THOMAS, 1989
• Typhlops titanops THOMAS, 1989
• Tytthoscincus biparietalis (TAYLOR, 1918)
• Tytthoscincus cophias BOULENGER, 1908
• Ungaliophis continentalis MÜLLER, 1880
• Ungaliophis panamensis SCHMIDT, 1933
• Uromacer catesbyi (SCHLEGEL, 1837)
• Uromacer frenatus (GÜNTHER, 1865)
• Uromacer oxyrhynchus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Uromastyx aegyptia (FORSKÅL, 1775)
• Uropeltis arcticeps (GÜNTHER, 1875)
• Uropeltis beddomii (GÜNTHER, 1862)
• Uropeltis bicatenata (GÜNTHER, 1864)
• Uropeltis broughami (BEDDOME, 1878)
• Uropeltis ceylanica CUVIER, 1829
• Uropeltis dindigalensis (BEDDOME, 1877)
• Uropeltis ellioti (GRAY, 1858)
• Uropeltis grandis (BEDDOME, 1867)
• Uropeltis liura (GÜNTHER, 1875)
• Uropeltis macrolepis (PETERS, 1862)
• Uropeltis macrorhyncha (BEDDOME, 1877)
• Uropeltis maculata (BEDDOME, 1878)
• Uropeltis madurensis (BEDDOME, 1878)
• Uropeltis myhendrae (BEDDOME, 1886)
• Uropeltis nitida (BEDDOME, 1878)
• Uropeltis ocellata (BEDDOME, 1863)
• Uropeltis petersi (BEDDOME, 1878)
• Uropeltis phipsonii (MASON, 1888)
• Uropeltis pulneyensis (BEDDOME, 1863)
• Uropeltis rubrolineata (GÜNTHER, 1875)
• Uropeltis rubromaculata (BEDDOME, 1867)
• Uropeltis shorttii (BEDDOME, 1863)
• Uropeltis woodmasoni (THEOBALD, 1876)
• Urosaurus bicarinatus (DUMÉRIL, 1856)
• Urotheca decipiens (GÜNTHER, 1893)
• Urotheca dumerilii (BIBRON, 1840)
• Urotheca fulviceps (COPE, 1886)
• Urotheca guentheri (DUNN, 1938)
• Urotheca lateristriga (BERTHOLD, 1859)
• Urotheca multilineata (PETERS, 1863)
• Urotheca myersi SAVAGE & LAHANAS, 1989
• Urotheca pachyura (COPE, 1875)
• Varanus acanthurus BOULENGER, 1885
• Varanus albigularis (DAUDIN, 1802)
• Varanus beccarii (DORIA, 1874)
• Varanus bengalensis (DAUDIN, 1802)
• Varanus bitatawa WELTON, SILER, BENNETT, DIESMOS, DUYA, DUGAY, RICO, VAN WEERD & BROWN, 2010
• Varanus boehmei JACOBS, 2003
• Varanus brevicauda BOULENGER, 1898
• Varanus bushi APLIN, FITCH & KING, 2006
• Varanus caspius (EICHWALD, 1831)
• Varanus caudolineatus BOULENGER, 1885
• Varanus chlorostigma (GRAY, 1831)
• Varanus colei BÖHME, JACOBS, KOPPETSCH & SCHMITZ, 2019
• Varanus cumingi MARTIN, 1839
• Varanus doreanus (MEYER, 1874)
• Varanus dumerilii SCHLEGEL, 1839
• Varanus eremius LUCAS & FROST, 1895
• Varanus exanthematicus (BOSC, 1792)
• Varanus finschi BÖHME, HORN & ZIEGLER, 1994
• Varanus flavescens (HARDWICKE & GRAY, 1827)
• Varanus giganteus (GRAY, 1845)
• Varanus gilleni LUCAS & FROST, 1895
• Varanus glauerti MERTENS, 1957
• Varanus glebopalma MITCHELL, 1955
• Varanus gouldii (GRAY, 1838)
• Varanus griseus (DAUDIN, 1803)
• Varanus indicus (DAUDIN, 1802)
• Varanus insulanicus MERTENS, 1958
• Varanus jobiensis AHL, 1932
• Varanus juxtindicus BÖHME, PHILIPP & ZIEGLER, 2002
• Varanus keithhornei (WELLS & WELLINGTON, 1985)
• Varanus kingorum STORR, 1980
• Varanus komodoensis OUWENS, 1912
• Varanus kordensis (MEYER, 1874)
• Varanus lirungensis KOCH, ARIDA, SCHMITZ, BÖHME & ZIEGLER, 2009
• Varanus macraei BÖHME & JACOBS, 2001
• Varanus marmoratus (WIEGMANN, 1834)
• Varanus melinus BÖHME & ZIEGLER, 1997
• Varanus mertensi GLAUERT, 1951
• Varanus mitchelli MERTENS, 1958
• Varanus nebulosus (GRAY, 1831)
• Varanus niloticus (LINNAEUS, 1766)
• Varanus nuchalis (GÜNTHER, 1872)
• Varanus ocreatus STORR, 1980
• Varanus olivaceus HALLOWELL, 1857
• Varanus orientalis FRY, 1913
• Varanus panoptes STORR, 1980
• Varanus pilbarensis STORR, 1980
• Varanus prasinus (SCHLEGEL, 1839)
• Varanus primordius MERTENS, 1942
• Varanus rasmusseni KOCH, GAULKE & BÖHME, 2010
• Varanus rosenbergi MERTENS, 1957
• Varanus rudicollis (GRAY, 1845)
• Varanus salvadorii (PETERS & DORIA, 1878)
• Varanus salvator (LAURENTI, 1768)
• Varanus samarensis KOCH, GAULKE & BÖHME, 2010
• Varanus scalaris MERTENS, 1941
• Varanus semiremex PETERS, 1869
• Varanus similis MERTENS, 1958
• Varanus spenceri LUCAS & FROST, 1903
• Varanus spinulosus MERTENS, 1941
• Varanus storri MERTENS, 1966
• Varanus timorensis (GRAY, 1831)
• Varanus togianus (PETERS, 1872)
• Varanus tristis SCHLEGEL, 1839
• Varanus varius (SHAW, 1790)
• Varanus yemenensis BÖHME, JOGER & SCHÄTTI, 1989
• Varanus yuwonoi HARVEY & BARKER, 1998
• Vermicella annulata (GRAY, 1841)
• Vermicella intermedia KEOGH & SMITH, 1996
• Vermicella multifasciata (LONGMAN, 1915)
• Vermicella snelli STORR, 1968
• Vermicella vermiformis KEOGH & SMITH, 1996
• Vijayachelys silvatica (HENDERSON, 1912)
• Vipera altaica TUNIYEV, NILSON & ANDRÉN, 2010
• Vipera ammodytes (LINNAEUS, 1758)
• Vipera anatolica EISELT & BARAN, 1970
• Vipera aspis (LINNAEUS, 1758)
• Vipera berus (LINNAEUS, 1758)
• Vipera darevskii VEDMEDERJA, ORLOV & TUNIYEV, 1986
• Vipera dinniki NIKOLSKY, 1913
• Vipera eriwanensis (REUSS, 1933)
• Vipera kaznakovi NIKOLSKY, 1909
• Vipera latastei BOSCA, 1878
• Vipera lotievi NILSON, TUNIYEV, ORLOV, HOGGREN & ANDREN, 1995
• Vipera meridionalis BOULENGER, 1903
• Vipera monticola SAINT GIRONS, 1953
• Vipera nikolskii VEDMEDERYA, GRUBANT & RUDAJEWA, 1986
• Vipera orlovi TUNIYEV & OSTROVSKIKH, 2001
• Vipera renardi (CHRISTOPH, 1861)
• Vipera seoanei LATASTE, 1879
• Vipera ursinii (BONAPARTE, 1835)
• Virginia striatula (LINNAEUS, 1766)
• Virginia valeriae BAIRD & GIRARD, 1853
• Wallaceophis gujaratensis MIRZA, VYAS, PATEL, MAHETA & SANAP, 2016
• Wallophis brachyura (GÜNTHER, 1866)
• Walterinnesia aegyptia LATASTE, 1887
• Woodworthia brunnea (COPE, 1869)
• Xenelaphis ellipsifer BOULENGER, 1900
• Xenelaphis hexagonotus (CANTOR, 1847)
• Xenocalamus bicolor GÜNTHER, 1868
• Xenocalamus mechowii PETERS, 1881
• Xenocalamus michelli MÜLLER, 1911
• Xenocalamus sabiensis BROADLEY, 1971
• Xenocalamus transvaalensis METHUEN, 1919
• Xenochrophis cerasogaster (CANTOR, 1839)
• Xenochrophis maculatus (EDELING, 1864)
• Xenochrophis trianguligerus (BOIE, 1827)
• Xenochrophis vittatus (LINNAEUS, 1758)
• Xenodermus javanicus REINHARDT, 1836
• Xenodon dorbignyi (BIBRON, 1854)
• Xenodon guentheri BOULENGER, 1894
• Xenodon histricus (JAN, 1863)
• Xenodon merremii (WAGLER, 1824)
• Xenodon nattereri (STEINDACHNER, 1867)
• Xenodon neuwiedii GÜNTHER, 1863
• Xenodon pulcher (JAN, 1863)
• Xenodon rabdocephalus (WIED-NEUWIED, 1824)
• Xenodon semicinctus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Xenodon severus (LINNAEUS, 1758)
• Xenopeltis hainanensis HU & ZHAO, 1972
• Xenopeltis unicolor REINWARDT, 1827
• Xenophidion schaeferi GÜNTHER & MANTHEY, 1995
• Xenopholis scalaris (WUCHERER, 1861)
• Xenopholis undulatus (JENSEN, 1900)
• Xenopholis werdingorum JANSEN, ÁLVAREZ & KÖHLER, 2009
• Xenosaurus grandis (GRAY, 1856)
• Xenosaurus phalaroanthereon NIETO-MONTES DE OCA, CAMPBELL & FLORES-VILLELA, 2001
• Xenosaurus sanmartinensis WERLER & SHANNON, 1961
• Xenotyphlops grandidieri (MOCQUARD, 1905)
• Xenoxybelis argenteus (DAUDIN, 1803)
• Xenoxybelis boulengeri (PROCTER, 1923)
• Xerotyphlops socotranus (BOULENGER, 1889)
• Xerotyphlops vermicularis (MERREM, 1820)
• Xerotyphlops wilsoni (WALL, 1908)
• Xylophis captaini GOWER & WINKLER, 2007
• Xylophis perroteti (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Xylophis stenorhynchus (GÜNTHER, 1875)
• Zamenis hohenackeri (STRAUCH, 1873)
• Zamenis lineatus (CAMERANO, 1891)
• Zamenis longissimus (LAURENTI, 1768)
• Zamenis persicus (WERNER, 1913)
• Zamenis scalaris (SCHINZ, 1822)
• Zamenis situla (LINNAEUS, 1758)
• Zonateres lanei BAILEY, THOMAS & DA SILVA, 2005
• Zootoca vivipara (LICHTENSTEIN, 1823)
• Zygaspis arenicola BROADLEY & BROADLEY, 1997
• Zygaspis dolichomenta (DE WITTE & LAURENT, 1942)
• Zygaspis ferox BROADLEY & BROADLEY, 1997
• Zygaspis kafuensis BROADLEY & BROADLEY, 1997
• Zygaspis nigra BROADLEY & GANS, 1969
• Zygaspis quadrifrons (PETERS, 1862)
• Zygaspis vandami (FITZSIMONS, 1930)

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