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Species found: 3671

• Ablepharus deserti STRAUCH, 1868
• Ablepharus kitaibelii BIBRON & BORY ST-VINCENT, 1833
• Abronia antauges (COPE, 1866)
• Abronia cuetzpali CAMPBELL, SOLANO-ZAVALETA, FLORES-VILLELA, CAVIEDES-SOLIS & FROST, 2016
• Abronia deppii (WIEGMANN, 1828)
• Abronia gadovii (BOULENGER, 1913)
• Abronia graminea (COPE, 1864)
• Abronia juarezi (KARGES & WRIGHT, 1987)
• Abronia martindelcampoi FLORES-VILLELA & SÁNCHEZ-H., 2003
• Abronia mixteca BOGERT & PORTER, 1967
• Abronia monticola (COPE, 1878)
• Abronia oaxacae (GÜNTHER, 1885)
• Abronia ochoterenai (MARTIN DEL CAMPO, 1939)
• Abronia ornelasi CAMPBELL, 1984
• Abronia taeniata (WIEGMANN, 1828)
• Abronia viridiflava (BOCOURT, 1873)
• Acanthocercus atricollis (SMITH, 1849)
• Acanthocercus cyanocephalus (FALK, 1925)
• Acanthocercus margaritae WAGNER, BUTLER, CERÍACO & BAUER, 2021
• Acanthochelys macrocephala (RHODIN, MITTERMEIER & MCMORRIS, 1984)
• Acanthochelys pallidipectoris (FREIBERG, 1945)
• Acanthochelys radiolata (MIKAN, 1820)
• Acanthochelys spixii (DUMÉRIL & BIBRON, 1835)
• Acanthodactylus aureus GÜNTHER, 1903
• Acanthodactylus boskianus (DAUDIN, 1802)
• Acanthodactylus dumerilii (MILNE-EDWARDS, 1829)
• Acanthodactylus erythrurus (SCHINZ, 1833)
• Acanthodactylus guineensis (BOULENGER, 1887)
• Acanthodactylus lacrymae MIRALLES, GENIEZ, BEDDEK, MENDEZ-ARANDA, BRITO, LEBLOIS & CROCHET, 2020
• Acanthodactylus longipes BOULENGER, 1918
• Acanthodactylus maculatus (GRAY, 1838)
• Acanthodactylus margaritae TAMAR, GENIEZ, BRITO & CROCHET, 2017
• Acanthodactylus montanus MIRALLES, GENIEZ, BEDDEK, MENDEZ-ARANDA, BRITO, LEBLOIS & CROCHET, 2020
• Acanthodactylus pardalis (LICHTENSTEIN, 1823)
• Acanthodactylus schmidti HAAS, 1957
• Acanthodactylus scutellatus (AUDOUIN, 1827)
• Acanthodactylus spinicauda DOUMERGUE, 1901
• Acanthodactylus taghitensis GENIEZ & FOUCART, 1995
• Acanthodactylus zagrosicus MOZAFFARI, MOHAMMADI, SABERI-PIROOZ & AHMADZADEH, 2021
• Acanthosaura lepidogaster (CUVIER, 1829)
• Achalinus formosanus BOULENGER, 1908
• Achalinus spinalis PETERS, 1869
• Acontias albigularis CONRADIE, BUSSCHAU & EDWARDS, 2018
• Acontias aurantiacus (PETERS, 1854)
• Acontias breviceps ESSEX, 1925
• Acontias cregoi (BOULENGER, 1903)
• Acontias fitzsimonsi (BROADLEY, 1968)
• Acontias gariepensis (FITZSIMONS, 1941)
• Acontias gracilicauda ESSEX, 1925
• Acontias jappi (BROADLEY, 1968)
• Acontias kgalagadi (LAMB, BISWAS & BAUER, 2010)
• Acontias lineatus PETERS, 1879
• Acontias lineicauda HEWITT, 1937
• Acontias meleagris (LINNAEUS, 1758)
• Acontias namaquensis HEWITT, 1937
• Acontias occidentalis FITZSIMONS, 1941
• Acontias orientalis HEWITT, 1937
• Acontias parietalis (BROADLEY, 1990)
• Acontias plumbeus BIANCONI, 1849
• Acontias richardi (JACOBSEN, 1987)
• Acontias rieppeli (LAMB, BISWAS & BAUER, 2010)
• Acontias subtaeniatus (BROADLEY, 1968)
• Acontias wakkerstroomensis CONRADIE, BUSSCHAU & EDWARDS, 2018
• Acratosaura mentalis (AMARAL, 1933)
• Acrochordus granulatus (SCHNEIDER, 1799)
• Actinemys marmorata (BAIRD & GIRARD, 1852)
• Actinemys pallida (SEELIGER, 1945)
• Acutotyphlops infralabialis (WAITE, 1918)
• Adelphicos quadrivirgatum JAN, 1862
• Adelphicos sargii (FISCHER, 1885)
• Adelphicos visoninum (COPE, 1866)
• Adelphostigma occipitalis (JAN, 1863)
• Adelphostigma quadriocellata (SANTOS, DI-BERNARDO & DE LEMA, 2008)
• Adolfus africanus (BOULENGER, 1906)
• Afroedura amatolica (HEWITT, 1925)
• Afroedura bogerti LOVERIDGE, 1944
• Afroedura broadleyi JACOBSEN, KUHN, JACKMAN & BAUER, 2014
• Afroedura halli (HEWITT, 1935)
• Afroedura hawequensis MOUTON & MOSTET, 1985
• Afroedura karroica (HEWITT, 1925)
• Afroedura langi (FITZSIMONS, 1930)
• Afroedura major ONDERSTALL, 1984
• Afroedura marleyi (FITZSIMONS, 1930)
• Afroedura multiporis (HEWITT, 1925)
• Afroedura namaquensis (FITZSIMONS, 1938)
• Afroedura nivaria (BOULENGER, 1894)
• Afroedura pienaari JACOBSEN, KUHN, JACKMAN & BAUER, 2014
• Afroedura pondolia (HEWITT, 1925)
• Afroedura pundomontana CONRADIE, SCHMITZ, LOBÓN-ROVIRA, BECKER, VAZ-PINTO & HAUPTFLEISCH, 2022
• 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 congestus (DUMÉRIL & BIBRON, 1844)
• Afrotyphlops dinga (PETERS, 1854)
• Afrotyphlops fornasinii (BIANCONI, 1849)
• Afrotyphlops lineolatus (JAN, 1864)
• Afrotyphlops nanus BROADLEY & WALLACH, 2009
• Afrotyphlops obtusus (PETERS, 1865)
• Afrotyphlops platyrhynchus (STERNFELD, 1910)
• Afrotyphlops punctatus (LEACH, 1819)
• Afrotyphlops schlegelii (BIANCONI, 1849)
• Afrotyphlops schmidti (LAURENT, 1956)
• Afrotyphlops steinhausi (WERNER, 1909)
• Agama aculeata MERREM, 1820
• Agama africana (HALLOWELL, 1844)
• Agama agama (LINNAEUS, 1758)
• Agama anchietae BOCAGE, 1896
• Agama armata PETERS, 1854
• Agama atra DAUDIN, 1802
• Agama bibronii DUMÉRIL, 1851
• Agama boensis MONARD, 1940
• Agama boueti CHABANAUD, 1917
• Agama caudospinosa MEEK, 1910
• Agama congica (PETERS, 1877)
• Agama doriae BOULENGER, 1885
• Agama gracilimembris CHABANAUD, 1918
• Agama lebretoni WAGNER, BAREJ & SCHMITZ, 2009
• Agama mucosoensis HELLMICH, 1957
• Agama paragama GRANDISON, 1968
• Agama planiceps PETERS, 1862
• Agama rueppelli VAILLANT, 1882
• Agama sankaranica CHABANAUD, 1918
• Agama tassiliensis GENIEZ, PADIAL & CROCHET, 2011
• 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 nasuta (LACÉPÈDE, 1789)
• Ahaetulla prasina (BOIE, 1827)
• Ahaetulla pulverulenta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Ahaetulla sahyadrensis MALLIK, SRIKANTHAN, PAL, D’SOUZA, SHANKER & GANESH, 2020
• Aldabrachelys gigantea (SCHWEIGGER, 1812)
• Alexandresaurus camacan RODRIGUES, PELLEGRINO, DIXO, VERDADE, PAVAN, ARGOLO & SITES, 2007
• Algyroides fitzingeri (WIEGMANN, 1834)
• Algyroides hidalgoi BOSCA, 1916
• Algyroides moreoticus BIBRON & BORY, 1833
• Algyroides nigropunctatus (DUMÉRIL & BIBRON, 1839)
• Alinea lanceolata (COPE, 1863)
• Alligator mississippiensis (DAUDIN, 1801)
• Alligator sinensis FAUVEL, 1879
• Alluaudina mocquardi ANGEL, 1939
• Alopecion guttatum (SMITH, 1843)
• Alopoglossus amazonius RUTHVEN, 1924
• Alopoglossus angulatus (LINNAEUS, 1758)
• Alopoglossus atriventris DUELLMAN, 1973
• Alopoglossus bicolor (WERNER, 1916)
• Alopoglossus bilineatus (BOULENGER, 1890)
• Alopoglossus brevifrontalis (BOULENGER, 1912)
• Alopoglossus carinicaudatus (COPE, 1876)
• Alopoglossus festae (PERACCA, 1896)
• Alopoglossus plicatus TAYLOR, 1949
• Alopoglossus stenolepis (BOULENGER, 1908)
• Alsophylax pipiens (PALLAS, 1827)
• 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)
• Ameiva ameiva (LINNAEUS, 1758)
• Ameiva atrigularis GARMAN, 1887
• Ameiva tobagana COPE, 1879
• Ameivula nativo (ROCHA, BERGALLO & PECCININI-SEALE, 1997)
• Ameivula ocellifera (SPIX, 1825)
• Amerotyphlops amoipira (RODRIGUES & JUNCÁ, 2002)
• Amerotyphlops arenensis GRABOSKI, PEREIRA-FILHO, SILVA, COSTA PRUDENTE & ZAHER, 2015
• Amerotyphlops brongersmianus (VANZOLINI, 1976)
• Amerotyphlops lehneri (ROUX, 1926)
• Amerotyphlops minuisquamus (DIXON & HENDRICKS, 1979)
• Amerotyphlops paucisquamus (DIXON & HENDRICKS, 1979)
• Amerotyphlops reticulatus (LINNAEUS, 1758)
• Amerotyphlops yonenagae (RODRIGUES, 1991)
• Amnesteophis melanauchen (JAN, 1863)
• Amnisiophis amoenus (JAN, 1863)
• Amphiesma stolatum (LINNAEUS, 1758)
• Amphiglossus astrolabi DUMÉRIL & BIBRON, 1839
• Amphiglossus reticulatus (KAUDERN, 1922)
• Amphisbaena alba LINNAEUS, 1758
• Amphisbaena bakeri STEJNEGER, 1904
• Amphisbaena brasiliana (GRAY, 1865)
• Amphisbaena caeca CUVIER, 1829
• Amphisbaena camura COPE, 1862
• Amphisbaena carvalhoi GANS, 1965
• Amphisbaena caudalis COCHRAN, 1928
• Amphisbaena darwinii DUMÉRIL & BIBRON, 1839
• Amphisbaena dubia MÜLLER, 1924
• Amphisbaena heathi SCHMIDT, 1936
• Amphisbaena innocens WEINLAND, 1863
• Amphisbaena littoralis ROBERTO, BRITO & ÁVILA, 2014
• Amphisbaena manni BARBOUR, 1914
• Amphisbaena medemi GANS & MATHERS, 1977
• Amphisbaena occidentalis COPE, 1875
• Amphisbaena plumbea GRAY, 1872
• Amphisbaena pretrei DUMÉRIL & BIBRON, 1839
• Amphisbaena prunicolor (COPE, 1885)
• Amphisbaena ridleyi BOULENGER, 1890
• Amphisbaena townsendi STEJNEGER, 1911
• Amphisbaena vermicularis WAGLER, 1824
• Amplorhinus multimaculatus SMITH, 1847
• Amyda cartilaginea (BODDAERT, 1770)
• Amyda ornata (GRAY, 1861)
• Ancylodactylus alantika (BAUER, CHIRIO, INEICH & LEBRETON, 2006)
• Ancylodactylus dilepis (PERRET, 1963)
• Ancylodactylus koehleri (MERTENS, 1937)
• Ancylodactylus occidentalis (ANGEL, 1943)
• Ancylodactylus spinicollis MÜLLER, 1907
• Anepischetosia maccoyi (LUCAS & FROST, 1894)
• Anguis colchica (NORDMANN, 1840)
• Anguis fragilis LINNAEUS, 1758
• Anguis graeca BEDRIAGA, 1881
• Anguis veronensis POLLINI, 1818
• Anilios leptosoma (ROBB, 1972)
• Anilius scytale (LINNAEUS, 1758)
• Anniella geronimensis SHAW, 1940
• Anniella pulchra GRAY, 1852
• Anolis aequatorialis WERNER, 1894
• Anolis altae DUNN, 1930
• Anolis altavelensis NOBLE & HASSLER, 1933
• Anolis alvarezdeltoroi NIETO MONTES DE OCA, 1996
• Anolis antonii BOULENGER, 1908
• Anolis apollinaris BOULENGER, 1919
• Anolis aquaticus TAYLOR, 1956
• Anolis argenteolus COPE, 1861
• Anolis armouri (COCHRAN, 1934)
• Anolis bahorucoensis NOBLE & HASSLER, 1933
• Anolis baleatus (COPE, 1864)
• Anolis barbouri (SCHMIDT, 1919)
• Anolis bartschi (COCHRAN, 1928)
• Anolis bellipeniculus (MYERS & DONNELLY, 1996)
• Anolis bitectus COPE, 1864
• Anolis bombiceps COPE, 1875
• Anolis bonairensis RUTHVEN, 1923
• Anolis brevirostris BOCOURT, 1870
• Anolis calimae AYALA, HARRIS & WILLIAMS, 1983
• Anolis callainus KÖHLER & HEDGES, 2020
• Anolis carlliebi KÖHLER, TREJO-PÉREZ, PETERSEN & MÉNDEZ DE LA CRUZ, 2014
• Anolis carlostoddi (WILLIAMS, PRADERIO & GORZULA, 1996)
• Anolis carolinensis VOIGT, 1832
• Anolis caudalis COCHRAN, 1932
• Anolis chloris BOULENGER, 1898
• Anolis chlorocyanus DUMÉRIL & BIBRON, 1837
• Anolis chlorodius KÖHLER & HEDGES, 2016
• Anolis chrysolepis DUMÉRIL & BIBRON, 1837
• Anolis conspersus GARMAN, 1887
• Anolis cristatellus DUMÉRIL & BIBRON, 1837
• Anolis cuvieri MERREM, 1820
• Anolis cyanostictus MERTENS, 1939
• Anolis cybotes COPE, 1863
• Anolis cymbops COPE, 1864
• Anolis damulus COPE, 1864
• Anolis darlingtoni (COCHRAN, 1935)
• Anolis dissimilis WILLIAMS, 1965
• Anolis distichus COPE, 1861
• Anolis doris BARBOUR, 1925
• Anolis dunni SMITH, 1936
• Anolis evermanni STEJNEGER, 1904
• Anolis fuscoauratus D’ORBIGNY, 1837
• Anolis gadovii BOULENGER, 1905
• Anolis gaigei RUTHVEN, 1916
• Anolis gibbiceps COPE, 1864
• Anolis granuliceps BOULENGER, 1898
• Anolis guamuhaya (GARRIDO, PÉREZ-BEATO & MORENO, 1991)
• Anolis gundlachi PETERS, 1877
• Anolis hendersoni COCHRAN, 1923
• Anolis heterodermus DUMÉRIL, 1851
• Anolis impetigosus COPE, 1864
• Anolis insignis COPE, 1871
• Anolis krugi PETERS, 1877
• Anolis laeviventris (WIEGMANN, 1834)
• Anolis latifrons BERTHOLD, 1846
• Anolis lemurinus COPE, 1861
• Anolis lineatopus GRAY, 1840
• Anolis liogaster BOULENGER, 1905
• Anolis longitibialis NOBLE, 1923
• Anolis luteogularis NOBLE & HASSLER, 1935
• Anolis macrolepis BOULENGER, 1911
• Anolis macrophallus WERNER, 1917
• Anolis maculiventris BOULENGER, 1898
• Anolis mariarum BARBOUR, 1932
• Anolis megapholidotus SMITH, 1933
• Anolis meridionalis BOETTGER, 1885
• Anolis microtus COPE, 1871
• Anolis milleri SMITH, 1950
• Anolis mirus WILLIAMS, 1963
• Anolis monensis STEJNEGER, 1904
• Anolis nasofrontalis AMARAL, 1933
• Anolis neblininus (MYERS, WILLIAMS & MCDIARMID, 1993)
• Anolis nebulosus (WIEGMANN, 1834)
• Anolis neglectus PRATES, MELO-SAMPAIO, DE QUEIROZ, CARNAVAL, RODRIGUES & OLIVEIRA-DRUMMOND, 2019
• Anolis nigrolineatus WILLIAMS, 1965
• Anolis occultus WILLIAMS & RIVERO, 1965
• Anolis olssoni SCHMIDT, 1919
• Anolis onca (O’SHAUGHNESSY, 1875)
• Anolis ortonii COPE, 1868
• Anolis pachypus COPE, 1875
• Anolis peraccae BOULENGER, 1898
• Anolis peruensis POE, LATELLA, AYALA-VARELA, YAÑEZ-MIRANDA & TORRES-CARVAJAL, 2015
• Anolis planiceps TROSCHEL, 1848
• Anolis poncensis STEJNEGER, 1904
• Anolis porcatus GRAY, 1840
• Anolis princeps BOULENGER, 1902
• Anolis proboscis PETERS & ORCES, 1956
• Anolis pseudotigrinus AMARAL, 1933
• Anolis pulchellus DUMÉRIL & BIBRON, 1837
• Anolis punctatus DAUDIN, 1802
• Anolis purpurescens COPE, 1899
• Anolis quercorum FITCH, 1978
• Anolis ravifaux SCHWARTZ & HENDERSON, 1982
• Anolis rodriguezii BOCOURT, 1873
• Anolis roquet (BONNATERRE, 1789)
• Anolis sagrei DUMÉRIL & BIBRON, 1837
• Anolis schiedii (WIEGMANN, 1834)
• Anolis semilineatus COPE, 1864
• Anolis sericeus HALLOWELL, 1856
• Anolis sheplani SCHWARTZ, 1974
• Anolis shrevei (COCHRAN, 1939)
• Anolis solitarius RUTHVEN, 1916
• Anolis stratulus COPE, 1861
• Anolis taylori SMITH & SPIELER, 1945
• Anolis tigrinus PETERS, 1863
• Anolis townsendi STEJNEGER, 1900
• Anolis tropidogaster HALLOWELL, 1856
• Anolis tropidolepis BOULENGER, 1885
• Anolis uniformis COPE, 1885
• Anolis vermiculatus COCTEAU, 1837
• Anolis williamsmittermeierorum POE & YAÑEZ-MIRANDA, 2007
• Anolis wilsoni (KÖHLER, TOWNSEND & PETERSEN, 2016)
• Anolis woodi DUNN, 1940
• Anotosaura collaris AMARAL, 1933
• Anotosaura vanzolinia DIXON, 1974
• Antillotyphlops dominicanus (STEJNEGER, 1904)
• 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 jacksonii (GÜNTHER, 1888)
• Aparallactus lunulatus (PETERS, 1854)
• Aparallactus modestus (GÜNTHER, 1859)
• Aphaniotis fusca (PETERS, 1864)
• Apostolepis adhara FRANÇA, BARBO, SILVA-JÚNIOR, SILVA & ZAHER, 2018
• Apostolepis albicollaris DE LEMA, 2002
• Apostolepis ambiniger (PETERS, 1869)
• Apostolepis arenaria RODRIGUES, 1993
• Apostolepis assimilis (REINHARDT, 1861)
• Apostolepis borellii PERACCA, 1904
• Apostolepis cearensis GOMES, 1915
• Apostolepis christineae DE LEMA, 2002
• Apostolepis dimidiata (JAN, 1862)
• Apostolepis flavotorquata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Apostolepis gaboi RODRIGUES, 1993
• Apostolepis goiasensis PRADO, 1942
• Apostolepis intermedia KOSLOWSKY, 1898
• Apostolepis kikoi SANTOS, ENTIAUSPE-NETO, SILVA-ARAÚJO, SOUZA, LEMA, STRÜSSMANN & ALBUQUERQUE, 2018
• Apostolepis lineata COPE, 1887
• Apostolepis longicaudata GOMES, 1921
• Apostolepis nelsonjorgei DE LEMA & RENNER, 2004
• Apostolepis nigrolineata (PETERS, 1869)
• Apostolepis nigroterminata BOULENGER, 1896
• Apostolepis phillipsae HARVEY, 1999
• Apostolepis polylepis AMARAL, 1922
• Apostolepis quinquelineata (BOULENGER, 1896)
• Apostolepis quirogai GIRAUDO & SCROCCHI, 1998
• Apostolepis rondoni AMARAL, 1925
• Apostolepis sanctaeritae WERNER, 1924
• Apostolepis serrana DE LEMA & RENNER, 2006
• Apostolepis striata DE LEMA, 2004
• Apostolepis thalesdelemai BORGES-NOJOSA, LIMA, BEZERRA & JAMES, 2016
• Apostolepis vittata (COPE, 1887)
• Archaeolacerta bedriagae (CAMERANO, 1885)
• Aristelliger cochranae GRANT, 1931
• Aristelliger expectatus COCHRAN, 1933
• Aristelliger lar COPE, 1862
• Arizona elegans KENNICOTT, 1859
• Arrhyton redimitum (COPE, 1862)
• Arthrosaura reticulata (O’SHAUGHNESSY, 1881)
• Arthrosaura versteegii LIDTH DE JEUDE, 1904
• Aspidelaps lubricus (LAURENTI, 1768)
• Aspidelaps scutatus (SMITH, 1849)
• Aspidoscelis angusticeps (COPE, 1878)
• Aspidoscelis carmenensis (MASLIN & SECOY, 1986)
• Aspidoscelis ceralbensis (VAN DENBURGH & SLEVIN, 1921)
• Aspidoscelis communis (COPE, 1878)
• Aspidoscelis costatus (COPE, 1878)
• Aspidoscelis cozumela (GADOW, 1906)
• Aspidoscelis danheimae (BURT, 1929)
• Aspidoscelis deppii (WIEGMANN, 1834)
• Aspidoscelis exsanguis (LOWE, 1956)
• Aspidoscelis guttatus (WIEGMANN, 1834)
• Aspidoscelis hyperythrus (COPE, 1863)
• Aspidoscelis inornatus (BAIRD, 1859)
• Aspidoscelis labialis (STEJNEGER, 1890)
• Aspidoscelis lineattissimus (COPE, 1878)
• Aspidoscelis marmoratus (BAIRD & GIRARD, 1852)
• Aspidoscelis martyris (STEJNEGER, 1891)
• Aspidoscelis maslini (FRITTS, 1969)
• Aspidoscelis maximus (COPE, 1863)
• Aspidoscelis mexicanus (PETERS, 1869)
• Aspidoscelis motaguae (SACKETT, 1941)
• Aspidoscelis neomexicanus (LOWE & ZWEIFEL, 1952)
• Aspidoscelis parvisocius (ZWEIFEL, 1960)
• Aspidoscelis pictus (VAN DENBURGH & SLEVIN, 1921)
• Aspidoscelis sackii (WIEGMANN, 1834)
• Aspidoscelis scalaris (COPE, 1892)
• Aspidoscelis sexlineatus (LINNAEUS, 1766)
• Aspidoscelis tesselatus (SAY, 1822)
• Aspidoscelis tigris (BAIRD & GIRARD, 1852)
• Aspronema cochabambae (DUNN, 1935)
• Aspronema dorsivittatum (COPE, 1862)
• Astrochelys radiata (SHAW, 1802)
• Astrochelys yniphora (VAILLANT, 1885)
• Ateuchosaurus okinavensis (THOMPSON, 1912)
• Ateuchosaurus pellopleurus (HALLOWELL, 1861)
• Atheris anisolepis MOCQUARD, 1887
• Atheris broadleyi LAWSON, 1999
• Atheris hirsuta ERNST & RÖDEL, 2002
• Atheris rungweensis BOGERT, 1940
• Atheris squamigera HALLOWELL, 1854
• Atheris subocularis FISCHER, 1888
• Atlantolacerta andreanskyi (WERNER, 1929)
• Atractaspis andersonii BOULENGER, 1905
• Atractaspis aterrima GÜNTHER, 1863
• 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 irregularis (REINHARDT, 1843)
• Atractaspis reticulata SJÖSTEDT, 1896
• Atractaspis watsoni BOULENGER, 1908
• Atractus aboiporu MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
• Atractus acheronius PASSOS, RIVAS-FUENMAYOR & BARRIO-AMORÓS, 2009
• Atractus albuquerquei CUNHA & NASCIMENTO, 1983
• Atractus alphonsehogei CUNHA & NASCIMENTO, 1983
• Atractus altagratiae PASSOS & FERNANDES, 2008
• Atractus arangoi PRADO, 1940
• Atractus atlas PASSOS, SCANFERLA, MELO-SAMPAIO, BRITO & ALMENDARIZ, 2018
• Atractus ayeush ESQUEDA, 2011
• Atractus badius (BOIE, 1827)
• Atractus bocki WERNER, 1909
• Atractus boimirim PASSOS, PRUDENTE & LYNCH, 2016
• Atractus boulengerii PERACCA, 1896
• Atractus caete PASSOS, FERNANDES, BÉRNILS & MOURA-LEITE, 2010
• Atractus caxiuana COSTA PRUDENTE & SANTOS-COSTA, 2006
• Atractus collaris PERACCA, 1897
• Atractus dapsilis MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
• Atractus duboisi (BOULENGER, 1880)
• Atractus duidensis ROZE, 1961
• 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 flammigerus (BOIE, 1827)
• Atractus francoi PASSOS, FERNANDES, BÉRNILS & MOURA-LEITE, 2010
• Atractus fuliginosus (HALLOWELL, 1845)
• Atractus gigas MYERS & SCHARGEL, 2006
• Atractus guentheri (WUCHERER, 1861)
• Atractus heyeri ESQUEDA & MCDIARMID, 2015
• Atractus hoogmoedi PRUDENTE & PASSOS, 2010
• Atractus indistinctus PRADO, 1940
• Atractus insipidus ROZE, 1961
• Atractus iridescens PERACCA, 1896
• Atractus lancinii ROZE, 1961
• Atractus latifrons (GÜNTHER, 1868)
• Atractus lehmanni BOETTGER, 1898
• Atractus macondo PASSOS, LYNCH & FERNANDES, 2009
• Atractus maculatus (GÜNTHER, 1858)
• Atractus major BOULENGER, 1894
• Atractus mariselae LANCINI, 1969
• Atractus matthewi MARKEZICH & BARRIO-AMORÓS, 2004
• Atractus meridensis ESQUEDA & LA MARCA, 2005
• Atractus micheleae ESQUEDA & LA MARCA, 2005
• Atractus multidentatus PASSOS, RIVAS-FUENMAYOR & BARRIO-AMORÓS, 2009
• Atractus natans HOOGMOED & PRUDENTE, 2003
• Atractus pamplonensis AMARAL, 1935
• Atractus pantostictus FERNANDES & PUORTO, 1993
• Atractus paraguayensis WERNER, 1924
• Atractus paucidens (DESPAX, 1910)
• Atractus peruvianus (JAN, 1862)
• Atractus poeppigi (JAN, 1862)
• Atractus potschi FERNANDES, 1995
• Atractus reticulatus (BOULENGER, 1885)
• Atractus riveroi ROZE, 1961
• Atractus ronnie PASSOS, FERNANDES & BORGES-NOJOSA, 2007
• Atractus roulei DESPAX, 1910
• Atractus sanctaemartae DUNN, 1946
• Atractus serranus AMARAL, 1930
• Atractus snethlageae CUNHA & NASCIMENTO, 1983
• Atractus spinalis PASSOS, TEIXEIRA Jr, RECODER, DE SENA, DAL VECHIO, ARRUDA-PINTO, MENDONÇA, CASSIMIRO & RODRIGUES, 2013
• Atractus steyermarki ROZE, 1958
• Atractus stygius PASSOS, AZEVEDO, NOGUEIRA, FERNANDES & SAWAYA, 2019
• Atractus surucucu PRUDENTE, 2008
• Atractus tamessari KOK, 2006
• Atractus taphorni SCHARGEL & GARCÍA-PÉREZ, 2002
• Atractus tartarus PASSOS, PRUDENTE & LYNCH, 2016
• Atractus thalesdelemai PASSOS, FERNANDES & ZANELLA, 2005
• Atractus torquatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Atractus trefauti MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
• Atractus trihedrurus AMARAL, 1926
• Atractus trilineatus WAGLER, 1828
• Atractus turikensis BARROS, 2000
• Atractus ventrimaculatus BOULENGER, 1905
• Atractus vittatus BOULENGER, 1894
• Atractus zebrinus (JAN, 1862)
• Atractus zidoki GASC & RODRIGUES, 1979
• Atropoides picadoi (DUNN, 1939)
• Australolacerta australis (HEWITT, 1926)
• Austrelaps superbus (GÜNTHER, 1858)
• Bachia barbouri BURT & BURT, 1931
• Bachia bicolor (COPE, 1896)
• Bachia bresslaui (AMARAL, 1935)
• Bachia intermedia NOBLE, 1921
• Bachia pallidiceps (COPE, 1862)
• Bachia panoplia THOMAS, 1965
• Bachia peruana (WERNER, 1901)
• Bachia scolecoides VANZOLINI, 1961
• Bachia talpa RUTHVEN, 1925
• Baikia africana GRAY, 1865
• Barisia ciliaris (SMITH, 1942)
• Barisia imbricata (WIEGMANN, 1828)
• Barisia levicollis STEJNEGER, 1890
• Barisia planifrons (BOCOURT, 1878)
• Basiliscus basiliscus (LINNAEUS, 1758)
• Basiliscus galeritus DUMÉRIL, 1851
• 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)
• 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 heraldica (BOCAGE, 1889)
• Bitis inornata (SMITH, 1838)
• Bitis nasicornis (SHAW & NODDER, 1792)
• Bitis peringueyi (BOULENGER, 1888)
• Bitis rubida BRANCH, 1997
• Bitis schneideri (BOETTGER, 1886)
• Bitis xeropaga HAACKE, 1975
• Blanus tingitanus BUSACK, 1988
• Boa constrictor LINNAEUS, 1758
• Boa imperator DAUDIN, 1803
• Boaedon angolensis (BOCAGE, 1895)
• Boaedon branchi HALLERMANN, CERÍACO, SCHMITZ, ERNST, CONRADIE, VERBURGT, MARQUES & BAUER, 2020
• Boaedon broadleyi HALLERMANN & HAWLITSCHEK, 2025
• Boaedon capensis DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Boaedon fradei HALLERMANN, CERÍACO, SCHMITZ, ERNST, CONRADIE, VERBURGT, MARQUES & BAUER, 2020
• 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 olivaceus (DUMÉRIL, 1856)
• Boaedon paralineatus TRAPE & MEDIANNIKOV, 2016
• Boaedon subtaeniatus LAURENT, 1954
• Boaedon variegatus (BOCAGE, 1867)
• Boaedon virgatus (HALLOWELL, 1854)
• Boiga andamanensis (WALL, 1909)
• Boiga angulata (PETERS, 1861)
• Boiga bengkuluensis ORLOV, KUDRYAVTZEV, RYABOV & SHUMAKOV, 2003
• Boiga ceylonensis (GÜNTHER, 1858)
• Boiga cyanea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Boiga cynodon (BOIE, 1827)
• Boiga dendrophila (BOIE, 1827)
• Boiga drapiezii (BOIE, 1827)
• Boiga guangxiensis WEN, 1998
• Boiga irregularis (BECHSTEIN, 1802)
• Boiga jaspidea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Boiga kraepelini STEJNEGER, 1902
• Boiga melanota (BOULENGER, 1896)
• Boiga multomaculata (BOIE, 1827)
• Boiga nigriceps (GÜNTHER, 1863)
• Boiga philippina (PETERS, 1867)
• Boiga saengsomi NUTAPHAND, 1985
• Boiga schultzei TAYLOR, 1923
• Boiga siamensis NUTAPHAND, 1971
• Boiga tanahjampeana ORLOV & RYABOV, 2002
• Boiga trigonata (SCHNEIDER, 1802)
• Boiga wallachi DAS, 1998
• Boiruna maculata (BOULENGER, 1896)
• Boiruna sertaneja ZAHER, 1996
• Borikenophis portoricensis (REINHARDT & LÜTKEN, 1862)
• Bothriechis bicolor (BOCOURT, 1868)
• Bothriechis guifarroi TOWNSEND, MEDINA-FLORES, WILSON, JADIN & AUSTIN, 2013
• Bothriechis nigroadspersus (STEINDACHNER, 1870)
• Bothriechis nigroviridis PETERS, 1859
• Bothriechis nitidus (GÜNTHER, 1859)
• Bothriechis schlegelii (BERTHOLD, 1846)
• Bothriechis thalassinus CAMPBELL & SMITH, 2000
• Bothriechis torvus (POSADA-ARANGO, 1889)
• Bothrocophias hyoprora (AMARAL, 1935)
• Bothrocophias microphthalmus (COPE, 1875)
• Bothrolycus ater GÜNTHER, 1874
• Bothrophthalmus brunneus GÜNTHER, 1863
• Bothrophthalmus lineatus (PETERS, 1863)
• Bothrops alcatraz MARQUES, MARTINS & SAZIMA, 2002
• Bothrops alternatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Bothrops atrox (LINNAEUS, 1758)
• Bothrops bilineatus (WIED-NEUWIED, 1821)
• Bothrops brazili HOGE, 1954
• 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 leucurus WAGLER, 1824
• Bothrops lutzi (MIRANDA-RIBEIRO, 1915)
• Bothrops marajoensis HOGE, 1966
• Bothrops marmoratus DA SILVA & RODRIGUES, 2008
• Bothrops mattogrossensis AMARAL, 1925
• Bothrops medusa (STERNFELD, 1920)
• Bothrops moojeni HOGE, 1966
• Bothrops muriciensis FERRAREZZI & FREIRE, 2001
• Bothrops neuwiedi WAGLER, 1824
• Bothrops otavioi BARBO, GRAZZIOTIN, SAZIMA, MARTINS & SAWAYA, 2012
• Bothrops pauloensis AMARAL, 1925
• Bothrops pirajai AMARAL, 1923
• Bothrops pubescens (COPE, 1870)
• Bothrops sanctaecrucis HOGE, 1966
• Bothrops sazimai BARBO, GASPARINI, ALMEIDA, ZAHER, GRAZZIOTIN, GUSMÃO, FERRARINI & SAWAYA, 2016
• Bothrops taeniatus WAGLER, 1824
• Bothrops venezuelensis SANDNER-MONTILLA, 1952
• Brachylophus gau FISHER, NIUKULA, WATLING & HARLOW, 2017
• Brachymeles orientalis BROWN & RABOR, 1967
• Brachyorrhos gastrotaenius (BLEEKER, 1860)
• Brachyseps frontoparietalis (BOULENGER, 1889)
• Brachyseps gastrostictus (O'SHAUGHNESSY, 1879)
• Brachyurophis semifasciatus GÜNTHER, 1863
• Bradypodion atromontanum BRANCH, TOLLEY & TILBURY, 2006
• Bradypodion caeruleogula RAW & BROTHERS, 2008
• Bradypodion caffrum (BOETTGER, 1889)
• Bradypodion damaranum (BOULENGER, 1887)
• Bradypodion dracomontanum RAW, 1976
• Bradypodion gutturale (SMITH, 1849)
• Bradypodion kentanicum (HEWITT, 1935)
• Bradypodion melanocephalum (GRAY, 1865)
• Bradypodion nemorale RAW, 1978
• Bradypodion ngomeense TILBURY & TOLLEY, 2009
• Bradypodion occidentale (HEWITT, 1935)
• Bradypodion pumilum (GMELIN, 1789)
• Bradypodion setaroi RAW, 1976
• Bradypodion taeniabronchum (SMITH, 1831)
• Bradypodion thamnobates RAW, 1976
• Bradypodion transvaalense (FITZSIMONS, 1930)
• Bradypodion ventrale (GRAY, 1845)
• Brasiliscincus agilis (RADDI, 1823)
• Brasiliscincus heathi (SCHMIDT & INGER, 1951)
• Broadleysaurus major (DUMÉRIL, 1851)
• Bronchocela cristatella (KUHL, 1820)
• Bronchocela hayeki (MÜLLER, 1928)
• Buhoma depressiceps (WERNER, 1897)
• Buhoma marlieri (LAURENT, 1956)
• Bungarus ceylonicus GÜNTHER, 1864
• Bungarus multicinctus BLYTH, 1861
• Bungarus wanghaotingi POPE, 1928
• Caaeteboia amarali (WETTSTEIN, 1930)
• Caaeteboia gaeli MONTINGELLI, BARBO, PEREIRA-FILHO, SANTANA, RODRIGUES-FRANÇA, GRAZZIOTIN & ZAHER, 2020
• Cachryx defensor COPE, 1866
• Cacophis squamulosus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Cadea blanoides (STEJNEGER, 1916)
• Cadea palirostrata DICKERSON, 1916
• Caiman latirostris (DAUDIN, 1801)
• Calabaria reinhardtii (SCHLEGEL, 1851)
• Calamaria berezowskii GÜNTHER, 1896
• Calamaria lumbricoidea BOIE, 1827
• Calamaria pavimentata DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Calamaria pfefferi STEJNEGER, 1901
• Calamaria septentrionalis BOULENGER, 1890
• Calamodontophis paucidens (AMARAL, 1936)
• Calamodontophis ronaldoi FRANCO, DE CARVALHO-CINTRA & DE LEMA, 2006
• Caledoniscincus orestes SADLIER, 1987
• Calliophis intestinalis (LAURENTI, 1768)
• Callisaurus draconoides BLAINVILLE, 1835
• Calotes versicolor (DAUDIN, 1802)
• Caretta caretta (LINNAEUS, 1758)
• Carettochelys insculpta RAMSAY, 1886
• Caribicus darlingtoni (COCHRAN, 1939)
• Carinascincus coventryi (RAWLINSON, 1975)
• Carinascincus greeni (RAWLINSON, 1975)
• Carinascincus palfreymani (RAWLINSON, 1974)
• Carphophis amoenus (SAY, 1825)
• 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 rynchops (SCHNEIDER, 1799)
• Cerberus schneiderii (SCHLEGEL, 1837)
• Cercophis auratus (SCHLEGEL, 1837)
• Cercosaura anomala (MÜLLER, 1923)
• Cercosaura argulus PETERS, 1862
• Cercosaura eigenmanni (GRIFFIN, 1917)
• Cercosaura ocellata WAGLER, 1830
• Cercosaura olivacea (GRAY, 1845)
• Cercosaura schreibersii WIEGMANN, 1834
• Chalcides bedriagai (BOSCA, 1880)
• Chalcides boulengeri ANDERSON, 1892
• Chalcides chalcides (LINNAEUS, 1758)
• Chalcides coeruleopunctatus SALVADOR, 1975
• Chalcides colosii LANZA, 1957
• Chalcides delislei (LATASTE & ROCHEBRUNE, 1876)
• Chalcides ebneri WERNER, 1931
• Chalcides lanzai PASTEUR, 1967
• Chalcides manueli HEDIGER, 1935
• Chalcides mauritanicus (DUMÉRIL & BIBRON, 1839)
• Chalcides mertensi KLAUSEWITZ, 1954
• Chalcides minutus CAPUTO, 1993
• Chalcides mionecton (BOETTGER, 1874)
• Chalcides montanus WERNER, 1931
• Chalcides ocellatus (FORSKÅL, 1775)
• Chalcides parallelus DOUMERGUE, 1901
• Chalcides polylepis BOULENGER, 1890
• Chalcides pseudostriatus CAPUTO, 1993
• Chalcides pulchellus MOCQUARD, 1906
• Chalcides sepsoides (AUDOUIN, 1829)
• Chalcides sphenopsiformis (DUMÉRIL, 1856)
• Chalcides striatus (CUVIER, 1829)
• Chamaeleo africanus LAURENTI, 1768
• Chamaeleo anchietae BOCAGE, 1872
• Chamaeleo arabicus MATSCHIE, 1893
• Chamaeleo calcaricarens BÖHME, 1985
• Chamaeleo calyptratus DUMÉRIL & DUMÉRIL, 1851
• Chamaeleo chamaeleon (LINNAEUS, 1758)
• Chamaeleo dilepis LEACH, 1819
• Chamaeleo gracilis HALLOWELL, 1844
• Chamaeleo laevigatus GRAY, 1863
• Chamaeleo monachus GRAY, 1865
• Chamaeleo namaquensis SMITH, 1831
• Chamaeleo necasi ULLENBRUCH, KRAUSE & BÖHME, 2007
• Chamaeleo senegalensis DAUDIN, 1802
• Chamaeleo zeylanicus LAURENTI, 1768
• Chamaelycus fasciatus (GÜNTHER, 1858)
• Chamaelycus parkeri (ANGEL, 1934)
• Chamaesaura aenea (FITZINGER, 1843)
• Chamaesaura anguina LINNAEUS, 1758
• Chamaesaura macrolepis (COPE, 1862)
• Chamaesaura miopropus BOULENGER, 1895
• Charina bottae (BLAINVILLE, 1835)
• Chelodina burrungandjii THOMSON, KENNETT & GEORGES, 2000
• Chelodina canni MCCORD & THOMSON, 2002
• Chelodina expansa GRAY, 1857
• Chelodina gunaleni MCCORD & JOSEPH-OUNI, 2007
• Chelodina kuchlingi CANN, 1997
• Chelodina kurrichalpongo (JOSEPH-OUNI, MCCORD, CANN & SMALES, 2019)
• 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 nigrum CANSECO-MÁRQUEZ, RAMÍREZ-GONZÁLEZ & CAMPBELL, 2018
• Chilabothrus fordii (GÜNTHER, 1861)
• Chilabothrus gracilis FISCHER, 1888
• Chilabothrus inornatus (REINHARDT, 1843)
• Chilabothrus monensis (ZENNECK, 1898)
• Chilabothrus striatus (FISCHER, 1856)
• Chilabothrus strigilatus (COPE, 1862)
• Chilabothrus subflavus (STEJNEGER, 1901)
• Chilorhinophis gerardi (BOULENGER, 1913)
• Chioninia coctei (DUMÉRIL & BIBRON, 1839)
• Chioninia delalandii (DUMÉRIL & BIBRON, 1839)
• Chioninia fogoensis (O'SHAUGHNESSY, 1874)
• Chioninia nicolauensis (SCHLEICH, 1987)
• Chioninia spinalis (BOULENGER, 1906)
• Chioninia stangeri (GRAY, 1845)
• Chioninia vaillantii (BOULENGER, 1887)
• Chirindia langi FITZSIMONS, 1939
• Chironius bicarinatus (WIED-NEUWIED, 1820)
• Chironius brazili HAMDAN & FERNANDES, 2015
• Chironius carinatus (LINNAEUS, 1758)
• Chironius challenger KOK, 2010
• Chironius cochranae HOGE & ROMANO, 1969
• Chironius diamantina FERNANDES & HAMDAN, 2014
• Chironius dixoni WIEST, 1978
• Chironius exoletus (LINNAEUS, 1758)
• Chironius flavolineatus (BOETTGER, 1885)
• Chironius foveatus BAILEY, 1955
• Chironius fuscus (LINNAEUS, 1758)
• Chironius laevicollis (WIED-NEUWIED, 1824)
• 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)
• Chitra chitra NUTAPHAND, 1986
• Chitra indica (GRAY, 1831)
• Chitra vandijki MCCORD & PRITCHARD, 2003
• Chlorosoma laticeps (WERNER, 1900)
• Chlorosoma viridissimum (LINNAEUS, 1758)
• Chondrodactylus angulifer PETERS, 1870
• Chondrodactylus fitzsimonsi (LOVERIDGE, 1947)
• Chondrodactylus laevigatus (FISCHER, 1888)
• Chondrodactylus pulitzerae (SCHMIDT, 1933)
• Chondrodactylus turneri (GRAY, 1864)
• Chrysemys dorsalis AGASSIZ, 1857
• Chrysemys picta (SCHNEIDER, 1783)
• Claudius angustatus COPE, 1865
• Clelia clelia (DAUDIN, 1803)
• Clelia hussami MORATO, FRANCO & SANCHES, 2003
• Clelia plumbea (WIED-NEUWIED, 1820)
• Clelia scytalina (COPE, 1867)
• Clemmys guttata (SCHNEIDER, 1792)
• Clonophis kirtlandii (KENNICOTT, 1856)
• Cnemaspis kendallii (GRAY, 1845)
• Cnemaspis pemanggilensis GRISMER & DAS, 2006
• Cnemaspis scalpensis (FERGUSON, 1877)
• Cnemidophorus cryptus COLE & DESSAUER, 1993
• Cnemidophorus duellmani MCCRANIE & HEDGES, 2013
• Cnemidophorus lemniscatus (LINNAEUS, 1758)
• Cnemidophorus murinus (LAURENTI, 1768)
• Cnemidophorus nigricolor PETERS, 1873
• Cnemidophorus ruatanus BARBOUR, 1928
• Cnemidophorus ruthveni BURT, 1935
• Coelognathus erythrurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Coleodactylus brachystoma (AMARAL, 1935)
• Coleodactylus elizae GONÇALVES, TORQUATO, SKUK & ARAÚJO SENA, 2012
• Coleodactylus meridionalis BOULENGER, 1888
• Coleodactylus natalensis FREIRE, 1999
• Coleodactylus septentrionalis VANZOLINI, 1980
• Coleonyx elegans GRAY, 1845
• Coleonyx fasciatus (BOULENGER, 1885)
• Coleonyx nemoralis KLAUBER, 1945
• Coleonyx variegatus (BAIRD, 1858)
• Colobodactylus taunayi AMARAL, 1933
• Colobosaura modesta (REINHARDT & LÜTKEN, 1862)
• Colobosauroides cearensis CUNHA, LIMA-VERDE & LIMA, 1991
• Coluber constrictor LINNAEUS, 1758
• Comptus alloeides (SCHWARTZ, 1964)
• Comptus stenurus (COPE, 1863)
• Comptus weinlandi (COPE, 1868)
• Coniophanes bipunctatus (GÜNTHER, 1858)
• Coniophanes fissidens (GÜNTHER, 1858)
• Coniophanes imperialis (BAIRD & GIRARD, 1859)
• Coniophanes lateritius COPE, 1862
• Coniophanes piceivittis COPE, 1870
• Coniophanes taeniata (PETERS, 1870)
• Conophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Conophis vittatus PETERS, 1860
• Conopsis acuta (COPE, 1886)
• Conopsis biserialis (TAYLOR & SMITH, 1942)
• Conopsis lineata (KENNICOTT, 1859)
• Conopsis megalodon (TAYLOR & SMITH, 1942)
• Conopsis nasus (GÜNTHER, 1858)
• Contomastix lacertoides (DUMÉRIL & BIBRON, 1839)
• Copeoglossum arajara (REBOUCAS-SPIEKER, 1981)
• Copeoglossum nigropunctatum (SPIX, 1825)
• Copeoglossum redondae HEDGES & CONN, 2012
• Cophosaurus texanus TROSCHEL, 1852
• Cophoscincopus durus (COPE, 1862)
• Corallus batesii (GRAY, 1860)
• Corallus caninus (LINNAEUS, 1758)
• Corallus cropanii (HOGE, 1953)
• Corallus hortulana (LINNAEUS, 1758)
• Corallus ruschenbergerii (COPE, 1875)
• Cordylosaurus subtessellatus (SMITH, 1844)
• Cordylus angolensis (BOCAGE, 1895)
• Cordylus cordylus (LINNAEUS, 1758)
• Cordylus imkeae MOUTON & VAN WYK, 1994
• Cordylus jonesii (BOULENGER, 1891)
• Cordylus machadoi LAURENT, 1964
• Cordylus macropholis (BOULENGER, 1910)
• Cordylus mclachlani MOUTON, 1986
• Cordylus minor FITZSIMONS, 1943
• Cordylus namakuiyus STANLEY, CERÍACO, BANDEIRA, VALERIO, BATES & BRANCH, 2016
• Cordylus niger CUVIER, 1829
• Cordylus oelofseni MOUTON & VAN WYK, 1990
• Cordylus ukingensis (LOVERIDGE, 1932)
• Cordylus vittifer (REICHENOW, 1887)
• Coronelaps lepidus (REINHARDT, 1861)
• Coronella austriaca LAURENTI, 1768
• Coronella girondica (DAUDIN, 1803)
• Correlophus ciliatus GUICHENOT, 1866
• Corytophanes cristatus (MERREM, 1820)
• Craspedocephalus gramineus (SHAW, 1802)
• Crocodylus acutus CUVIER, 1807
• Crocodylus intermedius GRAVES, 1819
• Crocodylus moreletii DUMÉRIL & BIBRON, 1851
• Crocodylus niloticus LAURENTI, 1768
• Crocodylus porosus SCHNEIDER, 1801
• Crocodylus rhombifer CUVIER, 1807
• Crocodylus siamensis SCHNEIDER, 1801
• Crocodylus suchus GEOFFROY SAINT-HILAIRE, 1807
• Crotalus adamanteus PALISOT DE BEAUVOIS, 1799
• Crotalus armstrongi CAMPBELL, 1979
• Crotalus atrox BAIRD & GIRARD, 1853
• Crotalus basiliscus (COPE, 1864)
• Crotalus brunneus HARRIS & SIMMONS, 1978
• Crotalus campbelli BRYSON JR, LINKEM, DORCAS, LATHROP, JONES, ALVARADO-DÍAZ, GRÜNWALD & MURPHY, 2014
• Crotalus cerastes HALLOWELL, 1854
• Crotalus culminatus KLAUBER, 1952
• Crotalus durissus LINNAEUS, 1758
• Crotalus enyo (COPE, 1861)
• Crotalus exiguus CAMPBELL & ARMSTRONG, 1979
• Crotalus horridus LINNAEUS, 1758
• Crotalus intermedius TROSCHEL, 1865
• Crotalus lepidus (KENNICOTT, 1861)
• Crotalus mitchellii (COPE, 1861)
• Crotalus molossus BAIRD & GIRARD, 1853
• Crotalus oreganus HOLBROOK, 1840
• Crotalus polystictus (COPE, 1865)
• Crotalus pricei VAN DENBURGH, 1895
• Crotalus ravus COPE, 1865
• Crotalus ruber COPE, 1892
• Crotalus scutulatus (KENNICOTT, 1861)
• Crotalus stejnegeri DUNN, 1919
• Crotalus tigris KENNICOTT, 1859
• Crotalus totonacus GLOYD & KAUFFELD, 1940
• Crotalus vegrandis KLAUBER, 1941
• Crotalus viridis (RAFINESQUE, 1818)
• Crotalus willardi MEEK, 1905
• Crotaphopeltis barotseensis BROADLEY, 1968
• Crotaphopeltis degeni (BOULENGER, 1906)
• Crotaphopeltis hippocrepis (REINHARDT, 1843)
• Crotaphopeltis hotamboeia (LAURENTI, 1768)
• Crotaphytus collaris (SAY, 1822)
• Crotaphytus reticulatus BAIRD, 1858
• Crotaphytus vestigium SMITH & TANNER, 1972
• Cryptactites peringueyi (BOULENGER, 1910)
• Cryptoblepharus africanus (STERNFELD, 1918)
• Cryptoblepharus australis (STERNFELD, 1918)
• Cryptoblepharus boutonii (DES JARDIN, 1831)
• Cryptoblepharus gloriosus (STEJNEGER, 1893)
• Cryptoblepharus poecilopleurus (WIEGMANN, 1836)
• Cryptophis nigrescens (GÜNTHER, 1862)
• Cryptophis nigrostriatus (KREFFT, 1864)
• Ctenoblepharys adspersa TSCHUDI, 1845
• Ctenophorus isolepis (FISCHER, 1881)
• Ctenophorus rubens (STORR, 1965)
• Ctenosaura acanthura (SHAW, 1802)
• Ctenosaura bakeri STEJNEGER, 1901
• Ctenosaura clarki BAILEY, 1928
• Ctenosaura hemilopha (COPE, 1863)
• Ctenosaura oedirhina DE QUEIROZ, 1987
• Ctenosaura palearis STEJNEGER, 1899
• Ctenosaura pectinata (WIEGMANN, 1834)
• Ctenosaura quinquecarinata (GRAY, 1842)
• Ctenosaura similis (GRAY, 1831)
• Ctenotus atlas STORR, 1969
• Ctenotus halysis HORNER, 2009
• Ctenotus labillardieri (DUMÉRIL & BIBRON, 1839)
• Ctenotus schomburgkii (PETERS, 1863)
• 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 praschagi BLANCK, GAILLARD, PROTIVA, WHEATLEY, SHI, LIU, RAY & ANDERS, 2023
• 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 fusca 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)
• Cycloderma aubryi (DUMÉRIL, 1856)
• Cycloderma frenatum PETERS, 1854
• Cyclura cornuta (BONNATERRE, 1789)
• Cyclura pinguis BARBOUR, 1917
• Cyclura ricordii (DUMÉRIL & BIBRON, 1837)
• Cylindrophis ruffus (LAURENTI, 1768)
• Cynisca haugi (MOCQUARD, 1904)
• Cynisca liberiensis (BOULENGER, 1879)
• Cynisca muelleri (STRAUCH, 1881)
• Cynisca schaeferi (STERNFELD, 1912)
• Cyrtodactylus phetchaburiensis PAUWELS, SUMONTHA & BAUER, 2016
• Cyrtopodion scabrum (HEYDEN, 1827)
• Cyrtopodion sistanense NAZAROV & RAJABIZADEH, 2007
• Daboia mauritanica (GRAY, 1849)
• Daboia palaestinae (WERNER, 1938)
• Dalmatolacerta oxycephala (SCHLEGEL, 1839)
• Dalophia angolensis GANS, 1976
• Dalophia ellenbergeri (ANGEL, 1920)
• Dalophia pistillum (BOETTGER, 1895)
• Dalophia welwitschii GRAY, 1865
• Darevskia alpina (DAREVSKY, 1967)
• Darevskia bithynica (MÉHELY, 1909)
• Darevskia brauneri (MÉHELY, 1909)
• Darevskia caucasica (MÉHELY, 1909)
• Darevskia daghestanica (DAREVSKY, 1967)
• Darevskia derjugini (NIKOLSKY, 1898)
• Darevskia mirabilis ARRIBAS, ILGAZ, KUMLUTAŞ, DURMUŞ, AVCI & ÜZÜM, 2013
• Darevskia obscura (LANTZ & CYRÉN, 1936)
• Darevskia praticola (EVERSMANN, 1834)
• Darevskia rudis (BEDRIAGA, 1886)
• Darevskia saxicola (EVERSMANN, 1834)
• Dasia olivacea GRAY, 1839
• Dasypeltis arabica BROADLEY & BATES, 2018
• Dasypeltis bazi SALEH & SARHAN, 2016
• Dasypeltis confusa TRAPE & MANÉ, 2006
• Dasypeltis fasciata SMITH, 1849
• 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)
• Delma impar (FISCHER, 1882)
• Dendrelaphis calligaster (GÜNTHER, 1867)
• Dendrelaphis caudolineatus (GRAY, 1834)
• Dendrelaphis keiensis (MERTENS, 1926)
• Dendrelaphis marenae VOGEL & VAN ROOIJEN, 2008
• Dendrelaphis pictus (GMELIN, 1789)
• Dendrelaphis terrificus (PETERS, 1872)
• Dendroaspis angusticeps (SMITH, 1849)
• Dendroaspis jamesoni (TRAILL, 1843)
• Dendroaspis polylepis GÜNTHER, 1864
• Dendrolycus elapoides (GÜNTHER, 1874)
• Dendrophidion atlantica FREIRE, CARAMASCHI & GONÇALVES, 2010
• Dendrophidion boshelli DUNN, 1944
• Dendrophidion dendrophis (SCHLEGEL, 1837)
• Dendrophidion nuchale (PETERS, 1863)
• Dendrophidion percarinatum (COPE, 1893)
• Denisonia maculata (STEINDACHNER, 1867)
• Dermatemys mawii GRAY, 1847
• Dermochelys coriacea (VANDELLI, 1761)
• Diadophis punctatus (LINNAEUS, 1766)
• Dibernardia affinis (GÜNTHER, 1858)
• Dibernardia bilineata (FISCHER, 1885)
• Dibernardia persimilis (COPE, 1869)
• Dibernardia poecilopogon (COPE, 1863)
• Dinarolacerta mosorensis (KOLOMBATOVIC, 1886)
• Diplodactylus platyurus PARKER, 1926
• Diploderma angustelinea WANG, REN, WU, CHE & SILER, 2020
• Diploderma aorun WANG, JIANG, ZHENG, XIE, CHE & SILER, 2020
• Diploderma bowoense WANG, GAO, WU, SILER & CHE, 2021
• Diploderma flaviceps (BARBOUR & DUNN, 1919)
• Diploderma flavilabre WANG, CHE & SILER, 2020
• Diploderma grahami (STEJNEGER, 1924)
• Diploderma panchi WANG, ZHENG, XIE, CHE & SILER, 2020
• Diploderma panlong WANG, CHE & SILER, 2020
• Diploderma polygonatum HALLOWELL, 1861
• Diploderma qilin WANG, REN, CHE & SILER, 2020
• Diploderma splendidum (BARBOUR & DUNN, 1919)
• Diploderma swild WANG, WU, JIANG, CHEN, MIAO, SILER & CHE, 2019
• Diploderma swinhonis (GÜNTHER, 1864)
• Diploderma yangi WANG, ZHANG & LI, 2022
• Diploderma yunnanense (ANDERSON, 1878)
• Diploglossus fasciatus (GRAY, 1831)
• Diploglossus lessonae PERACCA, 1890
• Diploglossus millepunctatus O'SHAUGHNESSY, 1874
• Diploglossus monotropis (KUHL, 1820)
• Diploglossus pleii DUMÉRIL & BIBRON, 1839
• Diporiphora winneckei LUCAS & FROST, 1896
• Dipsadoboa aulica (GÜNTHER, 1864)
• Dipsadoboa brevirostris (STERNFELD, 1908)
• Dipsadoboa duchesnii (BOULENGER, 1901)
• Dipsadoboa flavida (BROADLEY & STEVENS, 1971)
• Dipsadoboa kageleri UTHMÖLLER, 1939
• 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 bicolor (GÜNTHER, 1895)
• Dipsas bothropoides MEBERT, PASSOS, FERNANDES, ENTIAUSPE-NETO, QUEIROZ-ALVEZ, MACHADO & LOPES, 2020
• Dipsas bucephala (SHAW, 1802)
• Dipsas catesbyi (SENTZEN, 1796)
• Dipsas cisticeps (BOETTGER, 1885)
• Dipsas copei (GÜNTHER, 1872)
• Dipsas elegans (BOULENGER, 1896)
• Dipsas gaigeae (OLIVER, 1937)
• Dipsas gracilis (BOULENGER, 1902)
• Dipsas incerta (JAN, 1863)
• Dipsas indica LAURENTI, 1768
• Dipsas latifrontalis (BOULENGER, 1905)
• Dipsas lavillai (SCROCCHI, PORTO & REY, 1993)
• Dipsas mikanii SCHLEGEL, 1837
• Dipsas neuwiedi (IHERING, 1911)
• Dipsas pavonina SCHLEGEL, 1837
• Dipsas praeornata (WERNER, 1909)
• Dipsas pratti (BOULENGER, 1897)
• Dipsas sazimai FERNANDES, MARQUES & ARGÔLO, 2010
• Dipsas trinitatis PARKER, 1926
• Dipsas turgida (COPE, 1868)
• Dipsas variegata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dipsas ventrimaculata (BOULENGER, 1885)
• Dipsina multimaculata (SMITH, 1847)
• Dipsosaurus dorsalis (BAIRD & GIRARD, 1852)
• Dispholidus punctatus LAURENT, 1955
• Dispholidus typus (SMITH, 1828)
• Ditaxodon taeniatus (PETERS, 1868)
• Ditypophis vivax GÜNTHER, 1881
• Dogania subplana (GEOFFROY SAINT-HILAIRE, 1809)
• Dolichophis andreanus (WERNER, 1917)
• Dolichophis caspius (GMELIN, 1789)
• Dolichophis jugularis (LINNAEUS, 1758)
• Dolichophis schmidti (NIKOLSKY, 1909)
• Dopasia harti (BOULENGER, 1899)
• Dracaena paraguayensis AMARAL, 1950
• Draco formosus BOULENGER, 1900
• Draco guentheri BOULENGER, 1885
• Draco maximus BOULENGER, 1893
• Draco melanopogon BOULENGER, 1887
• Draco mindanensis STEJNEGER, 1908
• Draco ornatus (GRAY, 1845)
• Draco reticulatus GÜNTHER, 1864
• Drepanoides anomalus (JAN, 1863)
• Dryadosaura nordestina RODRIGUES, XAVIER FREIRE, MACHADO-PELLEGRINO & SITES, 2005
• 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 rhombifer (GÜNTHER, 1860)
• Drymoluber brazili (GOMES, 1918)
• Drymoluber dichrous (PETERS, 1863)
• 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 hypoconia (COPE, 1860)
• Dryophylax marahuaquensis (GORZULA & AYARZAGÜENA, 1996)
• Dryophylax nattereri (MIKAN, 1820)
• Dryophylax paraguanae (BAILEY & THOMAS, 2007)
• Dryophylax phoenix (FRANCO, TREVINE, MONTINGELLI & ZAHER, 2017)
• 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 safari HAWLITSCHEK, SCHERZ, RUTHENSTEINER, CROTTINI & GLAW, 2018
• Echinanthera cephalomaculata DI BERNARDO, 1994
• Echinanthera cephalostriata DI BERNARDO, 1996
• Echinanthera cyanopleura (COPE, 1885)
• Echinanthera melanostigma (WAGLER, 1824)
• Echinanthera undulata (WIED-NEUWIED, 1824)
• Echis carinatus (SCHNEIDER, 1801)
• Echis coloratus GÜNTHER, 1878
• Echis khosatzkii CHERLIN, 1990
• Echis ocellatus STEMMLER, 1970
• Echis omanensis BABOCSAY, 2004
• Echis pyramidum (GEOFFROY SAINT-HILAIRE, 1827)
• Ecpleopus gaudichaudii DUMÉRIL & BIBRON, 1839
• Egernia napoleonis (GRAY, 1839)
• 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 levantinus SCHMIDTLER, 1993
• Eirenis lineomaculatus SCHMIDT, 1939
• Eirenis medus (CHERNOV, 1940)
• Eirenis modestus (MARTIN, 1838)
• Eirenis persicus (ANDERSON, 1872)
• Eirenis punctatolineatus (BOETTGER, 1892)
• Eirenis rothii JAN, 1863
• Eirenis yassujicus FATHINIA, RASTEGAR-POUYANI & SHAFAEIPOUR, 2019
• Elaiophis inornatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Elaphe anomala (BOULENGER, 1916)
• Elaphe carinata (GÜNTHER, 1864)
• Elaphe climacophora (BOIE, 1826)
• Elaphe dione (PALLAS, 1773)
• Elaphe quadrivirgata (BOIE, 1826)
• Elaphe quatuorlineata (LACÉPÈDE, 1789)
• Elaphe sauromates (PALLAS, 1811)
• Elaphe schrenckii STRAUCH, 1873
• Elaphe taeniura COPE, 1861
• Elapognathus coronatus (SCHLEGEL, 1837)
• Elapomorphus quinquelineatus (RADDI, 1820)
• Elapomorphus wuchereri GÜNTHER, 1861
• Elapsoidea boulengeri BOETTGER, 1895
• Elapsoidea guentherii BOCAGE, 1866
• Elapsoidea laticincta (WERNER, 1919)
• Elapsoidea semiannulata BOCAGE, 1882
• Elapsoidea sundevallii SMITH, 1848
• Elgaria kingii GRAY, 1838
• 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 rhodini THOMSON, AMEPOU, ANAMIATO & GEORGES, 2015
• Elseya schultzei (VOGT, 1911)
• Elusor macrurus CANN & LEGLER, 1994
• Emoia atrocostata (LESSON, 1830)
• Emoia baudini (DUMÉRIL & BIBRON, 1839)
• Emoia cyanogaster (LESSON, 1830)
• Emoia cyanura (LESSON, 1830)
• Emoia laobaoensis BOURRET, 1937
• Emoia parkeri BROWN, PERNETTA & WATLING, 1980
• Emydocephalus ijimae STEJNEGER, 1898
• Emydoidea blandingii (HOLBROOK, 1838)
• Emydura gunaleni SMALES, MCCORD, CANN & JOSEPH-OUNI, 2019
• 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
• Enulius flavitorques (COPE, 1868)
• Enyalioides annularis (O’SHAUGHNESSY, 1881)
• Enyalioides groi DUNN, 1933
• Enyalioides heterolepis (BOCOURT, 1874)
• Enyalioides microlepis (O’SHAUGHNESSY, 1881)
• Enyalioides oshaughnessyi (BOULENGER, 1881)
• Enyalioides palpebralis (BOULENGER, 1883)
• Enyalius bibronii BOULENGER, 1885
• Enyalius bilineatus (DUMÉRIL & BIBRON, 1837)
• Enyalius boulengeri ETHERIDGE, 1969
• Enyalius brasiliensis (LESSON, 1830)
• Enyalius capetinga BREITMAN, DOMINGOS, BAGLEY, FERRARI, CAVALCANTE, PEREIRA, ABREU, DE LIMA, MORAIS, DEL PRETTE, SILVA, MELLO, CARVALHO, LIMA, SILVA, MATIAS, CARVALHO, PANTOJA, GOMES, PASCHOALETTO, RODRIGUES, TALARICO, BARRETO-LIMA & COLLI, 2018
• Enyalius catenatus (WIED-NEUWIED, 1821)
• Enyalius erythroceneus RODRIGUES, DE FREITAS, SANTOS SILVA & VIÑA BERTOLOTTO, 2006
• Enyalius iheringii BOULENGER, 1885
• Enyalius leechii (BOULENGER, 1885)
• Enyalius perditus JACKSON, 1978
• Enyalius pictus (SCHINZ, 1822)
• 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 amazonica (OREJAS-MIRANDA, 1969)
• Epictia ater (TAYLOR, 1940)
• Epictia bakewelli (OLIVER, 1937)
• Epictia borapeliotes (VANZOLINI, 1996)
• Epictia clinorostris ARREDONDO & ZAHER, 2010
• Epictia columbi (KLAUBER, 1939)
• Epictia fallax (PETERS, 1858)
• Epictia goudotii (DUMÉRIL & BIBRON, 1844)
• Epictia hobartsmithi ESQUEDA, SCHLÜTER, MACHADO, CASTELAÍN & NATERA-MUMAW, 2015
• Epictia magnamaculata (TAYLOR, 1940)
• Epictia munoai (OREJAS-MIRANDA, 1961)
• Epictia phenops (COPE, 1875)
• Epictia rubrolineata (WERNER, 1901)
• Epictia rufidorsa (TAYLOR, 1940)
• Epictia schneideri WALLACH, 2016
• Epictia signata (JAN, 1861)
• Epictia striatula (SMITH & LAUFE, 1945)
• Epictia teaguei (OREJAS-MIRANDA, 1964)
• Epictia tesselata (TSCHUDI, 1845)
• Epictia tricolor (OREJAS-MIRANDA & ZUG, 1974)
• Epictia undecimstriata (SCHLEGEL, 1839)
• Epictia vellardi (LAURENT, 1984)
• Epictia weyrauchi (OREJAS-MIRANDA, 1964)
• Eremias argus PETERS, 1869
• Eremias arguta (PALLAS, 1773)
• Eremias fahimii MOZAFFARI, AHMADZADEH & SABERI-PIROOZ, 2020
• Eremias montana RASTEGAR-POUYANI & RASTEGAR-POUYANI, 2001
• Eremias multiocellata GÜNTHER, 1872
• Eremias przewalskii (STRAUCH, 1876)
• Eremias velox (PALLAS, 1771)
• Eretmochelys imbricata (LINNAEUS, 1766)
• Eristicophis macmahoni ALCOCK & FINN, 1897
• Erymnochelys madagascariensis (GRANDIDIER, 1867)
• Erythrolamprus aesculapii (LINNAEUS, 1758)
• Erythrolamprus albiventris (JAN, 1863)
• Erythrolamprus almadensis (WAGLER, 1824)
• Erythrolamprus atraventer (DIXON & THOMAS, 1985)
• Erythrolamprus bizona JAN, 1863
• Erythrolamprus breviceps (COPE, 1860)
• Erythrolamprus carajasensis (CUNHA, NASCIMENTO & ÁVILA-PIRES, 1985)
• Erythrolamprus cobella (LINNAEUS, 1758)
• Erythrolamprus dorsocorallinus (ESQUEDA, NATERA, LA MARCA & ILIJA-FISTAR, 2007)
• Erythrolamprus epinephalus (COPE, 1862)
• Erythrolamprus fraseri (BOULENGER, 1894)
• Erythrolamprus frenatus (WERNER, 1909)
• Erythrolamprus guentheri GARMAN, 1883
• Erythrolamprus ingeri (ROZE, 1958)
• Erythrolamprus jaegeri (GÜNTHER, 1858)
• 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 mossoroensis (HOGE & LIMA-VERDE, 1973)
• Erythrolamprus oligolepis (BOULENGER, 1905)
• Erythrolamprus poecilogyrus (WIED-NEUWIED, 1824)
• Erythrolamprus pseudocorallus ROZE, 1959
• Erythrolamprus pygmaeus (COPE, 1868)
• Erythrolamprus reginae (LINNAEUS, 1758)
• Erythrolamprus rochai ASCENSO, COSTA & PRUDENTE, 2019
• Erythrolamprus semiaureus (COPE, 1862)
• Erythrolamprus taeniogaster (JAN, 1863)
• 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 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 vittatus CHERNOV, 1959
• Eublepharis macularius (BLYTH, 1854)
• Eugongylus rufescens (SHAW, 1802)
• Eulamprus quoyii (DUMÉRIL & BIBRON, 1839)
• Euleptes europaea (GENÉ, 1839)
• Eumeces algeriensis PETERS, 1864
• Eumeces schneiderii (DAUDIN, 1802)
• Eumeces zarudnyi NIKOLSKY, 1900
• Eumecia anchietae BOCAGE, 1870
• Eunectes deschauenseei DUNN & CONANT, 1936
• Eunectes murinus (LINNAEUS, 1758)
• Eunectes notaeus COPE, 1862
• Euprepiophis conspicillata (BOIE, 1826)
• Euprepiophis mandarinus (CANTOR, 1842)
• Euspondylus maculatus TSCHUDI, 1845
• Eutrachelophis papilio ZAHER & PRUDENTE, 2019
• Eutropis darevskii (BOBROV, 1992)
• Eutropis dawsoni (ANNANDALE, 1909)
• Eutropis indeprensa (BROWN & ALCALA, 1980)
• Eutropis lankae (DERANIYAGALA, 1953)
• Eutropis longicaudata (HALLOWELL, 1857)
• Eutropis multicarinata (GRAY, 1845)
• Eutropis multifasciata (KUHL, 1820)
• Eutropis resetarii BATUWITA, UDUGAMPALA & EDIRISINGHE, 2020
• Eutropis vertebralis (BOULENGER, 1887)
• Exila nigropalmata (ANDERSSON, 1918)
• Farancia abacura (HOLBROOK, 1836)
• Farancia erytrogramma (PALISOT DE BEAUVOIS, 1802)
• Feylinia boulengeri CHABANAUD, 1917
• Feylinia currori GRAY, 1845
• Feylinia elegans (HALLOWELL, 1854)
• Feylinia grandisquamis MÜLLER, 1910
• Ficimia publia COPE, 1866
• Flexiseps alluaudi (BRYGOO, 1981)
• Flexiseps andranovahensis (ANGEL, 1934)
• Flexiseps ardouini (MOCQUARD, 1897)
• Flexiseps crenni (MOCQUARD, 1906)
• Flexiseps decaryi (ANGEL, 1930)
• Flexiseps elongatus (ANGEL, 1934)
• Flexiseps johannae (GÜNTHER, 1880)
• Flexiseps melanurus (GÜNTHER, 1877)
• Flexiseps ornaticeps (BOULENGER, 1896)
• Flexiseps tsaratananensis (BRYGOO, 1981)
• Flexiseps valhallae (BOULENGER, 1909)
• Fowlea piscator (SCHNEIDER, 1799)
• Fowlea yunnanensis (ANDERSON, 1879)
• Gallotia atlantica (PETERS & DORIA, 1882)
• Gallotia auaritae MATEO, GARCIA-MARQUEZ, LÓPEZ-JURADO & BARAHONA, 2001
• Gallotia galloti (OUDART, 1839)
• Gallotia simonyi (STEINDACHNER, 1889)
• Gambelia copeii (YARROW, 1882)
• Gambelia wislizenii (BAIRD & GIRARD, 1852)
• Gastropholis echinata (COPE, 1862)
• Gavialis gangeticus (GMELIN, 1789)
• Geagras redimitus COPE, 1875
• Gehyra mutilata (WIEGMANN, 1834)
• Gekko chinensis (GRAY, 1842)
• Gekko gecko (LINNAEUS, 1758)
• Gekko hokouensis POPE, 1928
• Gekko horsfieldii (GRAY, 1827)
• Gekko japonicus (DUMÉRIL & BIBRON, 1836)
• Gekko lionotum (ANNANDALE, 1905)
• Gekko melli (VOGT, 1922)
• Gekko monarchus (SCHLEGEL, 1836)
• Gekko rossi BROWN, OLIVEROS, SILER & DIESMOS, 2009
• Gekko subpalmatus (GÜNTHER, 1864)
• Gekko swinhonis GÜNTHER, 1864
• 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 bellus MYERS, 2003
• Geophis betaniensis RESTREPO & WRIGHT, 1987
• Geophis brachycephalus (COPE, 1871)
• Geophis cansecoi GRÜNWALD, AHUMADA-CARRILLO, GRÜNWALD, MONTAÑO-RUVALCABA & GARCÍA-VÁZQUEZ, 2021
• Geophis chalybeus (WAGLER, 1830)
• Geophis downsi SAVAGE, 1981
• Geophis dubius (PETERS, 1861)
• Geophis dugesii BOCOURT, 1883
• Geophis dunni SCHMIDT, 1932
• Geophis hoffmanni (PETERS, 1859)
• Geophis laticollaris SMITH, LYNCH & ALTIG, 1965
• Geophis lorancai CANSECO-MÁRQUEZ, PAVÓN-VÁZQUEZ, LÓPEZ-LUNA & NIETO-MONTES DE OCA, 2016
• Geophis mutitorques (COPE, 1885)
• Geophis nasalis (COPE, 1868)
• Geophis nigroalbus BOULENGER, 1908
• Geophis rostralis (JAN, 1865)
• Geophis ruthveni WERNER, 1925
• Geophis sieboldi (JAN, 1862)
• Geophis talamancae LIPS & SAVAGE, 1994
• Geophis tectus SAVAGE & WATLING, 2008
• Geophis zeledoni TAYLOR, 1954
• Gerrhonotus infernalis BAIRD, 1859
• Gerrhonotus liocephalus WIEGMANN, 1828
• Gerrhonotus ophiurus COPE, 1867
• Gerrhosaurus auritus BOETTGER, 1887
• Gerrhosaurus bulsi LAURENT, 1954
• Gerrhosaurus flavigularis WIEGMANN, 1828
• Gerrhosaurus intermedius LÖNNBERG, 1907
• Gerrhosaurus multilineatus BOCAGE, 1866
• Gerrhosaurus nigrolineatus HALLOWELL, 1857
• Gerrhosaurus skoogi ANDERSSON, 1916
• Gerrhosaurus typicus (SMITH, 1837)
• Glaucomastix abaetensis (REIS DIAS, ROCHA & VRCIBRADIC, 2002)
• Gloydius blomhoffii (BOIE, 1826)
• Gloydius brevicaudus (STEJNEGER, 1907)
• Gloydius halys (PALLAS, 1776)
• Gloydius himalayanus (GÜNTHER, 1864)
• Gloydius intermedius (STRAUCH, 1868)
• Gloydius strauchi (BEDRIAGA, 1912)
• 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 lineata (GRAY, 1838)
• Goggia rupicola (FITZSIMONS, 1938)
• Gomesophis brasiliensis (GOMES, 1918)
• Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)
• Gongylomorphus bojerii (DESJARDIN, 1831)
• Gongylomorphus borbonicus VINSON, 1969
• Gongylomorphus fontenayi VINSON, 1973
• Gonionotophis brussauxi (MOCQUARD, 1889)
• Gonionotophis grantii (GÜNTHER, 1863)
• Gonocephalus chamaeleontinus (LAURENTI, 1768)
• Gonocephalus doriae PETERS, 1871
• Gonyosoma oxycephalum (BOIE, 1827)
• 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)
• Gowidon longirostris (BOULENGER, 1883)
• Gracililima nyassae (GÜNTHER, 1888)
• Graciliscincus shonae SADLIER, 1987
• Grandidierina fierinensis (GRANDIDIER, 1869)
• Grandidierina lineata MOCQUARD, 1901
• Grandidierina petiti ANGEL, 1924
• Grandidierina rubrocaudata (GRANDIDIER, 1869)
• 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 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)
• Gymnodactylus amarali BARBOUR, 1925
• Gymnodactylus darwinii (GRAY, 1845)
• Gymnodactylus geckoides SPIX, 1825
• Gymnophthalmus pleii BOCOURT, 1881
• Gymnophthalmus underwoodi GRANT, 1958
• Habrophallos collaris (HOOGMOED, 1977)
• Hapsidophrys lineata FISCHER, 1856
• Hapsidophrys smaragdina (SCHLEGEL, 1837)
• Hardella thurjii (GRAY, 1831)
• Harpesaurus borneensis (MERTENS, 1924)
• Hebius craspedogaster (BOULENGER, 1899)
• Hebius maximus (MALNATE, 1962)
• Hebius nigriventer (WALL, 1925)
• Hebius pryeri (BOULENGER, 1887)
• Hebius sauteri (BOULENGER, 1909)
• Hebius vibakari (BOIE, 1826)
• Helicops angulatus (LINNAEUS, 1758)
• Helicops apiaka KAWASHITA-RIBEIRO, ÁVILA & MORAIS, 2013
• Helicops boitata MORAES-DA-SILVA, CECÍLIA AMARO, SALES-NUNES, STRÜSSMANN, TEIXEIRA, ANDRADE, SUDRÉ, RECODER, RODRIGUES & CURCIO, 2019
• Helicops carinicaudus (WIED-NEUWIED, 1824)
• Helicops gomesi AMARAL, 1922
• Helicops hagmanni ROUX, 1910
• Helicops infrataeniatus JAN, 1865
• Helicops leopardinus (SCHLEGEL, 1837)
• Helicops modestus GÜNTHER, 1861
• Helicops nentur COSTA, SANTANA, LEAL, KOROIVA & GARCIA, 2016
• Helicops pastazae SHREVE, 1934
• Helicops polylepis GÜNTHER, 1861
• Helicops scalaris JAN, 1865
• Helicops tapajonicus DA FROTA, 2005
• Helicops trivittatus (GRAY, 1849)
• Helicops yacu ROSSMAN & DIXON, 1975
• Heliobolus lugubris (SMITH, 1838)
• Heliobolus nitidus (GÜNTHER, 1872)
• Heliobolus spekii (GÜNTHER, 1872)
• Hellenolacerta graeca (BEDRIAGA, 1886)
• Helminthophis flavoterminatus (PETERS, 1858)
• Heloderma suspectum COPE, 1869
• Hemachatus haemachatus (BONNATERRE, 1790)
• Hemerophis socotrae (GÜNTHER, 1881)
• Hemicordylus capensis (SMITH, 1838)
• Hemicordylus nebulosus (MOUTON & VAN WYK, 1995)
• Hemidactylus agrius VANZOLINI, 1978
• Hemidactylus angulatus HALLOWELL, 1854
• Hemidactylus ansorgii BOULENGER, 1901
• Hemidactylus bayonii BOCAGE, 1893
• Hemidactylus benguellensis BOCAGE, 1893
• Hemidactylus bowringii (GRAY, 1845)
• Hemidactylus brasilianus (AMARAL, 1935)
• Hemidactylus brookii GRAY, 1845
• Hemidactylus echinus O’SHAUGHNESSY, 1875
• Hemidactylus fasciatus GRAY, 1842
• Hemidactylus frenatus DUMÉRIL & BIBRON, 1836
• Hemidactylus garnotii DUMÉRIL & BIBRON, 1836
• Hemidactylus granosus HEYDEN, 1827
• Hemidactylus greeffii BOCAGE, 1886
• Hemidactylus kamdemtohami BAUER & PAUWELS, 2002
• Hemidactylus lankae DERANIYAGALA, 1953
• Hemidactylus longicephalus BOCAGE, 1873
• Hemidactylus mabouia (MOREAU DE JONNÈS, 1818)
• Hemidactylus makolowodei BAUER, LEBRETON, CHIRIO, INEICH & TALLA KOUETE, 2006
• Hemidactylus muriceus PETERS, 1870
• Hemidactylus nzingae CERÍACO, AGARWAL, MARQUES & BAUER, 2020
• Hemidactylus paivae CERÍACO, AGARWAL, MARQUES & BAUER, 2020
• Hemidactylus parvimaculatus DERANIYAGALA, 1953
• Hemidactylus platycephalus PETERS, 1854
• Hemidactylus platyurus (SCHNEIDER, 1797)
• Hemidactylus principensis MILLER, SELLAS & DREWES, 2012
• Hemidactylus pseudomuriceus HENLE & BÖHME, 2003
• Hemidactylus richardsonii (GRAY, 1845)
• Hemidactylus robustus HEYDEN, 1827
• Hemidactylus tanganicus LOVERIDGE, 1929
• Hemidactylus triedrus (DAUDIN, 1802)
• Hemidactylus turcicus (LINNAEUS, 1758)
• Hemiergis millewae COVENTRY, 1976
• Hemiphyllodactylus typus BLEEKER, 1860
• Hemirhagerrhis hildebrandtii (PETERS, 1878)
• Hemirhagerrhis kelleri BOETTGER, 1893
• Hemirhagerrhis nototaenia (GÜNTHER, 1864)
• Hemirhagerrhis viperina (BOCAGE, 1873)
• Hemitheconyx caudicinctus (DUMÉRIL, 1851)
• 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)
• Heremites auratus (LINNAEUS, 1758)
• Heremites vittatus (OLIVIER, 1804)
• Heterodactylus imbricatus SPIX, 1825
• Heterodactylus lundii REINHARDT & LÜTKEN, 1862
• Heterodon kennerlyi KENNICOTT, 1860
• Heterodon nasicus BAIRD & GIRARD, 1852
• Heterodon platirhinos LATREILLE, 1801
• Heterodon simus (LINNAEUS, 1766)
• Hierophis gemonensis (LAURENTI, 1768)
• Hierophis viridiflavus (LACÉPÈDE, 1789)
• Holaspis guentheri GRAY, 1863
• Holaspis ngalangi PARRINHA, MARQUES, GONÇALVES, TIUTENKO, BAUER & CERÍACO, 2025
• Holbrookia approximans BAIRD, 1859
• Holbrookia elegans BOCOURT, 1874
• Holbrookia lacerata COPE, 1880
• Holbrookia maculata GIRARD, 1851
• Holbrookia propinqua BAIRD & GIRARD, 1852
• Holcosus festivus (LICHTENSTEIN & MARTENS, 1856)
• Holcosus hartwegi (SMITH, 1940)
• Holcosus stuarti SMITH, 1940
• Homopholis mulleri VISSER, 1987
• Homopholis wahlbergii (SMITH, 1849)
• Homopus areolatus (THUNBERG, 1787)
• Homopus femoralis BOULENGER, 1888
• Homoroselaps dorsalis (SMITH, 1849)
• Homoroselaps lacteus (LINNAEUS, 1758)
• Hoplocercus spinosus FITZINGER, 1843
• Hormonotus modestus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Hyalosaurus koellikeri GÜNTHER, 1873
• Hydraethiops laevis BOULENGER, 1904
• Hydraethiops melanogaster GÜNTHER, 1872
• Hydrodynastes bicinctus (HERMANN, 1804)
• Hydrodynastes gigas (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Hydromedusa maximiliani (MIKAN, 1825)
• Hydromedusa tectifera COPE, 1870
• Hydrophis curtus (SHAW, 1802)
• Hydrophis cyanocinctus DAUDIN, 1803
• Hydrophis fasciatus (SCHNEIDER, 1799)
• Hydrophis hardwickii (GRAY, 1834)
• Hydrophis lapemoides (GRAY, 1849)
• Hydrophis major (SHAW, 1802)
• Hydrophis melanocephalus GRAY, 1849
• Hydrophis ornatus (GRAY, 1842)
• Hydrophis platurus (LINNAEUS, 1766)
• Hydrophis schistosus DAUDIN, 1803
• Hydrophis viperinus (SCHMIDT, 1852)
• Hydrops caesurus SCROCCHI, FERREIRA, GIRAUDO, ÁVILA & MOTTE, 2005
• Hydrops martii (WAGLER, 1824)
• Hydrops triangularis (WAGLER, 1824)
• Hydrosaurus pustulatus (ESCHSCHOLTZ, 1829)
• Hypoptophis wilsonii BOULENGER, 1908
• Hypsiglena ochrorhynchus COPE, 1860
• Hypsiglena torquata (GÜNTHER, 1860)
• Hypsilurus modestus (MEYER, 1874)
• Hypsirhynchus callilaemus (GOSSE, 1851)
• Hypsirhynchus melanichnus (COPE, 1862)
• Hypsirhynchus parvifrons (COPE, 1862)
• Hypsirhynchus scalaris COPE, 1862
• Hypsiscopus plumbeus (BOIE, 1827)
• Ialtris dorsalis (GÜNTHER, 1858)
• Ialtris parishi COCHRAN, 1932
• Iberolacerta aranica (ARRIBAS, 1993)
• Iberolacerta bonnali (LANTZ, 1927)
• Iberolacerta cyreni (MÜLLER & HELLMICH, 1937)
• Iberolacerta horvathi (MÉHELY, 1904)
• Iberolacerta monticola (BOULENGER, 1905)
• Ichnotropis bivittata BOCAGE, 1866
• Ichnotropis capensis (SMITH, 1838)
• Ichnotropis microlepidota MARX, 1956
• Iguana iguana (LINNAEUS, 1758)
• Imantodes cenchoa (LINNAEUS, 1758)
• Imantodes gemmistratus (COPE, 1861)
• Imantodes lentiferus (COPE, 1894)
• Imantodes tenuissimus (COPE, 1867)
• Indotestudo elongata (BLYTH, 1854)
• Indotestudo forstenii (SCHLEGEL & MÜLLER, 1844)
• Indotestudo travancorica (BOULENGER, 1907)
• Indotyphlops braminus (DAUDIN, 1803)
• Intellagama lesueurii (GRAY, 1831)
• Inyoka swazicus (SCHAEFER, 1970)
• Iphisa elegans GRAY, 1851
• Isopachys roulei (ANGEL, 1920)
• Janetaescincus braueri (BOETTGER, 1896)
• Janetaescincus veseyfitzgeraldi (PARKER, 1947)
• Karusasaurus polyzonus (SMITH, 1838)
• Kentropyx calcarata SPIX, 1825
• Kentropyx paulensis (BOETTGER, 1893)
• Kentropyx striata (DAUDIN, 1802)
• 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 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 adolfifriderici (STERNFELD, 1912)
• Kinyongia asheorum NECAS, SINDACO, KORENÝ, KOPECNÁ, MALONZA & MODRÝ, 2009
• Kinyongia boehmei (LUTZMANN & NECAS, 2002)
• Kinyongia carpenteri (PARKER, 1929)
• Kinyongia excubitor (BARBOUR, 1911)
• Kinyongia fischeri (REICHENOW, 1887)
• Kinyongia magomberae MENEGON, TOLLEY, JONES, ROVERO, MARSHALL & TILBURY, 2009
• Kinyongia matschiei (WERNER, 1895)
• Kinyongia multituberculata (NIEDEN, 1913)
• Kinyongia mulyai TILBURY & TOLLEY, 2015
• Kinyongia oxyrhina (KLAVER & BÖHME, 1988)
• Kinyongia tavetana (STEINDACHNER, 1891)
• Kinyongia tenuis (MATSCHIE, 1892)
• Kinyongia tolleyae HUGHES, KUSAMBA, BEHANGANA & GREENBAUM, 2017
• Kinyongia uluguruensis (LOVERIDGE, 1957)
• Kinyongia uthmoelleri (MÜLLER, 1938)
• Kinyongia vanheygeni NECAS, 2009
• Kinyongia vosseleri (NIEDEN, 1913)
• Kinyongia xenorhina (BOULENGER, 1901)
• Kladirostratus acutus (GÜNTHER, 1888)
• Kladirostratus togoensis (MATSCHIE, 1893)
• Kolekanos plumicaudus (HAACKE, 2008)
• Lacerta agilis LINNAEUS, 1758
• Lacerta bilineata DAUDIN, 1802
• Lacerta citrovittata WERNER, 1938
• Lacerta diplochondrodes WETTSTEIN, 1952
• Lacerta media LANTZ & CYRÉN, 1920
• Lacerta schreiberi BEDRIAGA, 1878
• Lacerta strigata EICHWALD, 1831
• Lacerta trilineata BEDRIAGA, 1886
• Lacerta viridis (LAURENTI, 1768)
• Lacertaspis chriswildi (BÖHME & SCHMITZ, 1996)
• Lacertaspis gemmiventris (SJÖSTEDT, 1897)
• Lacertaspis lepesmei (ANGEL, 1940)
• Lacertaspis reichenowii (PETERS, 1874)
• Lacertaspis rohdei (MÜLLER, 1910)
• Lachesis muta (LINNAEUS, 1766)
• Lachesis rhombeata (WIED, 1824)
• Lachesis stenophrys COPE, 1875
• Laemanctus longipes WIEGMANN, 1834
• Laemanctus serratus COPE, 1864
• Lamprolepis smaragdina (LESSON, 1829)
• Lampropeltis annulata KENNICOTT, 1860
• Lampropeltis californiae (BLAINVILLE, 1835)
• Lampropeltis calligaster (HARLAN, 1827)
• Lampropeltis elapsoides (HOLBROOK, 1838)
• Lampropeltis extenuata (BROWN, 1890)
• Lampropeltis getula (LINNAEUS, 1766)
• Lampropeltis holbrooki STEJNEGER, 1902
• 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 splendida (BAIRD & GIRARD, 1853)
• Lampropeltis triangulum (LACÉPÈDE, 1789)
• Lampropeltis zonata (LOCKINGTON, 1835)
• Lamprophis aurora (LINNAEUS, 1758)
• Lamprophis fuscus BOULENGER, 1893
• Lampropholis guichenoti (DUMÉRIL & BIBRON, 1839)
• Lankascincus dorsicatenatus (DERANIYAGALA, 1953)
• Latastia longicaudata (REUSS, 1834)
• Laticauda colubrina (SCHNEIDER, 1799)
• Laticauda laticaudata (LINNAEUS, 1758)
• Laticauda semifasciata (REINWARDT, 1837)
• Laudakia nupta (DE FILIPPI, 1843)
• Leiocephalus altavelensis NOBLE & HASSLER, 1933
• Leiocephalus barahonensis SCHMIDT, 1921
• Leiocephalus carinatus GRAY, 1827
• Leiocephalus cubensis (GRAY, 1840)
• Leiocephalus loxogrammus (COPE, 1887)
• Leiocephalus lunatus COCHRAN, 1934
• Leiocephalus melanochlorus COPE, 1863
• Leiocephalus personatus (COPE, 1863)
• Leiocephalus pratensis (COCHRAN, 1928)
• Leiocephalus schreibersii (GRAVENHORST, 1838)
• Leiocephalus semilineatus DUNN, 1920
• Leiocephalus stictigaster SCHWARTZ, 1959
• Leiocephalus vinculum COCHRAN, 1928
• Leiolepis guentherpetersi DAREVSKY & KUPRIYANOVA, 1993
• Leiosaurus bellii DUMÉRIL & BIBRON, 1837
• Lepidoblepharis colombianus MECHLER, 1968
• Lepidoblepharis victormartinezi BATISTA, PONCE, VESELY, MEBERT, HERTZ, KÖHLER, CARRIZO & LOTZKAT, 2015
• Lepidochelys kempii GARMAN, 1880
• Lepidochelys olivacea (ESCHSCHOLTZ, 1829)
• Lepidodactylus gardineri BOULENGER, 1897
• Lepidodactylus guppyi BOULENGER, 1884
• Lepidodactylus intermedius DAREVSKY, 1964
• Lepidodactylus lombocensis MERTENS, 1929
• Lepidodactylus lugubris (DUMÉRIL & BIBRON, 1836)
• Lepidodactylus novaeguineae BROWN & PARKER, 1977
• Lepidodactylus paurolepis OTA, FISHER, INEICH & CASE, 1995
• Lepidodactylus planicaudus STEJNEGER, 1905
• Lepidodactylus pulcher BOULENGER, 1885
• Lepidodactylus shebae (BROWN & TANNER, 1949)
• Lepidodactylus tepukapili ZUG, WATLING, ALEFAIO, ALEFAIO & LUDESCHER, 2003
• Lepidodactylus vanuatuensis OTA, FISHER, INEICH, CASE, RADTKEY & ZUG, 1998
• Lepidophyma cuicateca CANSECO-MARQUEZ, GUTIIEREZ-MAYEN & MENDOZA-HERNANDEZ, 2008
• Lepidophyma dontomasi (SMITH, 1942)
• Lepidophyma flavimaculatum DUMÉRIL, 1851
• Lepidophyma gaigeae MOSAUER, 1936
• Lepidophyma inagoi PALACIOS-AGUILAR, SANTOS-BIBIANO & FLORES-VILLELA, 2018
• Lepidophyma lowei BEZY & CAMARILLO, 1997
• Lepidophyma occulor SMITH, 1942
• Lepidophyma radula (SMITH, 1942)
• Lepidophyma reticulatum TAYLOR, 1955
• Lepidophyma smithii BOCOURT, 1876
• Lepidophyma sylvaticum TAYLOR, 1939
• Leposoma annectans RUIBAL, 1952
• Leposoma baturitensis RODRIGUES & BORGES, 1997
• Leposoma nanodactylus RODRIGUES, 1997
• Leposoma puk RODRIGUES, DIXO, PAVAN & VERDADE, 2002
• Leposoma scincoides SPIX, 1825
• Leposoma sinepollex RODRIGUES, TEXEIRA, RECODER, DAL VECHIO, DAMASCENO & MACHADO-PELLEGRINO, 2013
• Leposternon infraorbitale (BERTHOLD, 1859)
• Leposternon microcephalum WAGLER, 1824
• Leposternon octostegum (DUMÉRIL, 1851)
• Leposternon polystegum (DUMÉRIL, 1851)
• Leposternon scutigerum (HEMPRICH, 1820)
• 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 rubricata (COPE, 1893)
• Leptodeira septentrionalis (KENNICOTT, 1859)
• Leptodeira splendida GÜNTHER, 1885
• Leptodeira tarairiu COSTA, GRABOSKI, GRAZZIOTIN, ZAHER, RODRIGUES & PRUDENTE, 2022
• Leptodrymus pulcherrimus (COPE, 1874)
• Leptomicrurus collaris (SCHLEGEL, 1837)
• Leptomicrurus narduccii (JAN, 1863)
• 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 diplotropis (GÜNTHER, 1872)
• Leptophis liocercus (WIED, 1824)
• Leptophis marginatus (COPE, 1862)
• Leptophis nigromarginatus (GÜNTHER, 1866)
• Leptophis occidentalis (GÜNTHER, 1859)
• Leptophis praestans (COPE, 1868)
• Leptophis riveti DESPAX, 1910
• Leptophis urostictus (PETERS, 1873)
• Leptosiaphos aloysiisabaudiae (PERACCA, 1907)
• Leptosiaphos amieti (PERRET, 1973)
• Leptosiaphos dewittei (LOVERIDGE, 1934)
• Leptosiaphos fuhni (PERRET, 1973)
• Leptosiaphos hackarsi (DE WITTE, 1941)
• Leptosiaphos ianthinoxantha (BÖHME, 1975)
• Leptosiaphos kilimensis (STEJNEGER, 1891)
• Leptosiaphos koutoui INEICH, SCHMITZ, CHIRIO & LEBRETON, 2004
• Leptosiaphos pauliani (ANGEL, 1940)
• Leptosiaphos vigintiserierum (SJÖSTEDT, 1897)
• Leptotyphlops conjunctus (JAN, 1861)
• Leptotyphlops distanti (BOULENGER, 1892)
• Leptotyphlops emini (BOULENGER, 1890)
• Leptotyphlops incognitus (BROADLEY & WATSON, 1976)
• Leptotyphlops jacobseni BROADLEY & BROADLEY, 1999
• Leptotyphlops kafubi (BOULENGER, 1919)
• Leptotyphlops lepezi (BOULENGER, 1901)
• Leptotyphlops macrops (BROADLEY & WALLACH, 1996)
• Leptotyphlops merkeri (WERNER, 1909)
• Leptotyphlops nigricans (SCHLEGEL, 1839)
• Leptotyphlops pitmani BROADLEY & WALLACH, 2007
• Leptotyphlops scutifrons (PETERS, 1854)
• Leptotyphlops sylvicolus BROADLEY & WALLACH, 1997
• Leptotyphlops telloi BROADLEY & WATSON, 1976
• Lerista bipes (FISCHER, 1882)
• Lerista lineata BELL, 1833
• Lerista lineopunctulata (DUMÉRIL & BIBRON, 1839)
• Lerista muelleri (FISCHER, 1881)
• Letheobia angeli (GUIBÉ, 1952)
• Letheobia caeca (DUMÉRIL, 1856)
• Letheobia coecatus (JAN, 1864)
• Letheobia decorosus (BUCHHOLZ & PETERS, 1875)
• Letheobia episcopus (FRANZEN & WALLACH, 2002)
• Letheobia gracilis (STERNFELD, 1910)
• Letheobia lumbriciformis (PETERS, 1874)
• Letheobia manni (LOVERIDGE, 1941)
• Letheobia pembana BROADLEY & WALLACH, 2007
• Letheobia praeocularis (STEJNEGER, 1894)
• Letheobia simoni (BOETTGER, 1879)
• Letheobia swahilica (BROADLEY & WALLACH, 2007)
• Letheobia zenkeri (STERNFELD, 1908)
• Leucocephalon yuwonoi (MCCORD, IVERSON & BOEADI, 1995)
• Lichanura orcutti STEJNEGER, 1889
• Lichanura trivirgata COPE, 1861
• 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 annectens BOULENGER, 1901
• Liolaemus darwinii (BELL, 1843)
• Liolaemus lemniscatus GRAVENHORST, 1838
• Liolaemus lenzi BOETTGER, 1891
• Liolaemus magellanicus (HOMBRON & JACQUINOT, 1853)
• Liolaemus multiformis (COPE, 1875)
• Liolaemus ornatus KOSLOWSKY, 1898
• Liolaemus pantherinus PELLEGRIN, 1909
• Liolaemus pictus (DUMÉRIL & BIBRON, 1837)
• Liolaemus signifer (DUMÈRIL & BIBRON, 1837)
• Liolaemus stolzmanni (STEINDACHNER, 1891)
• Liopeltis philippina (BOETTGER, 1897)
• Liopholidophis grandidieri MOCQUARD, 1904
• Liotyphlops albirostris (PETERS, 1858)
• Liotyphlops anops (COPE, 1899)
• Liotyphlops argaleus DIXON & KOFRON, 1984
• Liotyphlops bondensis (GRIFFIN, 1916)
• Liotyphlops caissara CENTENO, SAWAYA & GERMANO, 2010
• Liotyphlops pino ANTÚNEZ-FONSECA, RAMOS-GALDAMEZ, SOLÍS, DIAZ-RICAURTE & WILSON, 2024
• Liotyphlops schubarti VANZOLINI, 1948
• Liotyphlops taylori MARRA-SANTOS & REIS, 2018
• Liotyphlops ternetzii (BOULENGER, 1896)
• Liotyphlops trefauti FREIRE, CARAMASCHI & SUZART ARGÔLO, 2007
• Liotyphlops wilderi (GARMAN, 1883)
• Lipinia leptosoma (BROWN & FEHLMANN, 1958)
• Lipinia microcerca (BOETTGER, 1901)
• Lipinia pulchella (GRAY, 1845)
• Lipinia vittigera (BOULENGER, 1894)
• Lissemys ceylonensis (GRAY, 1856)
• Lissemys punctata (BONNATERRE, 1789)
• Lissemys scutata (PETERS, 1868)
• Loxopholis caparensis (ESQUEDA, 2005)
• Loxopholis ferreirai (RODRIGUES & AVILA-PIRES, 2005)
• Loxopholis guianense (RUIBAL, 1952)
• Loxopholis hexalepis (AYALA & HARRIS, 1982)
• Loxopholis ioanna (UZZELL & BARRY, 1971)
• Loxopholis osvaldoi (AVILA-PIRES, 1995)
• Loxopholis parietalis (COPE, 1886)
• Loxopholis percarinatum (MÜLLER, 1923)
• Loxopholis rugiceps COPE, 1869
• Loxopholis snethlageae (AVILA-PIRES, 1995)
• Loxopholis southi (RUTHVEN & GAIGE, 1924)
• Lubuya ivensii (BOCAGE, 1879)
• Luperosaurus macgregori STEJNEGER, 1907
• Lycodon aulicus (LINNAEUS, 1758)
• Lycodon dumerilii (BOULENGER, 1893)
• Lycodon fasciatus (ANDERSON, 1879)
• Lycodon neomaculatus (NGUYEN, LEE, PAUWELS, KENNEDY-GOLD, POYARKOV, DAVID & VOGEL, 2024)
• Lycodon obvelatus WANG, YU, VOGEL & CHE, 2020
• Lycodon orientalis (HILGENDORF, 1880)
• Lycodon rufozonatus CANTOR, 1842
• Lycodon ruhstrati (FISCHER, 1886)
• Lycodon semicarinatus (COPE, 1860)
• Lycodon striatus (SHAW, 1802)
• Lycodon subannulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Lycodonomorphus bicolor (GÜNTHER, 1893)
• Lycodonomorphus laevissimus (GÜNTHER, 1862)
• Lycodonomorphus obscuriventris FITZSIMONS, 1963
• Lycodonomorphus rufulus (LICHTENSTEIN, 1823)
• 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 ornatum PARKER, 1936
• Lycophidion pygmaeum BROADLEY, 1996
• Lycophidion semicinctum DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Lycophidion variegatum BROADLEY, 1969
• Lygodactylus angolensis BOCAGE, 1896
• Lygodactylus bradfieldi HEWITT, 1932
• Lygodactylus capensis (SMITH, 1849)
• Lygodactylus chobiensis FITZSIMONS, 1932
• Lygodactylus conraui TORNIER, 1902
• Lygodactylus depressus SCHMIDT, 1919
• Lygodactylus dysmicus (PERRET, 1963)
• Lygodactylus fischeri BOULENGER, 1890
• Lygodactylus graniticolus JACOBSEN, 1992
• Lygodactylus gutturalis (BOCAGE, 1873)
• Lygodactylus incognitus JACOBSEN, 1992
• Lygodactylus klugei (SMITH, MARTIN & SWAIN, 1977)
• Lygodactylus lawrencei HEWITT, 1926
• Lygodactylus manni LOVERIDGE, 1928
• Lygodactylus methueni FITZSIMONS, 1937
• Lygodactylus montiscaeruli JACOBSEN, 1992
• Lygodactylus nigropunctatus JACOBSEN, 1992
• Lygodactylus nyaneka MARQUES, CERIACO, BUEHLER, BANDEIRA, JANOTA & BAUER, 2020
• Lygodactylus ocellatus ROUX, 1907
• Lygodactylus paurospilus (LAURENT, 1952)
• Lygodactylus soutpansbergensis JACOBSEN, 1994
• Lygodactylus stevensoni HEWITT, 1926
• Lygodactylus waterbergensis JACOBSEN, 1992
• Lygodactylus wetzeli (SMITH, MARTIN & SWAIN, 1977)
• 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
• Lygosoma quadrupes (LINNAEUS, 1766)
• Lygosoma tabonorum HEITZ, DIESMOS, FREITAS, ELLSWORTH & GRISMER, 2016
• Lytorhynchus diadema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Lytorhynchus kennedyi SCHMIDT, 1939
• Lytorhynchus maynardi ALCOCK & FINN, 1897
• Lytorhynchus paradoxus (GÜNTHER, 1875)
• Lytorhynchus ridgewayi BOULENGER, 1887
• Mabuya bistriata (SPIX, 1825)
• Mabuya hispaniolae HEDGES & CONN, 2012
• Mabuya mabouya (BONNATERRE, 1789)
• Macrelaps microlepidotus (GÜNTHER, 1860)
• Macrochelys suwanniensis THOMAS, GRANATOSKY, BOURQUE, KRYSKO, MOLER, GAMBLE, SUAREZ, LEONE & ROMAN, 2014
• Macrochelys temminckii (TROOST, 1835)
• Macropholidus annectens PARKER, 1930
• Macropholidus ruthveni NOBLE, 1921
• Macroprotodon abubakeri WADE, 2001
• Macroprotodon brevis (GÜNTHER, 1862)
• Macroprotodon cucullatus (GEOFFROY SAINT-HILAIRE, 1827)
• Macroprotodon mauritanicus GUICHENOT, 1850
• Macrovipera lebetinus (LINNAEUS, 1758)
• Madascincus ankodabensis (ANGEL, 1930)
• Madascincus igneocaudatus (GRANDIDIER, 1867)
• Madascincus macrolepis (BOULENGER, 1888)
• Madascincus mouroundavae (GRANDIDIER, 1872)
• Madascincus polleni (GRANDIDIER, 1869)
• Madascincus pyrurus MIRALLES, KÖHLER, GLAW & VENCES, 2016
• Madascincus stumpffi (BOETTGER, 1882)
• Madatyphlops domerguei (ROUX-ESTÈVE, 1980)
• Madatyphlops microcephalus (WERNER, 1909)
• 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)
• 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)
• Marisora alliacea (COPE, 1875)
• Marisora falconensis (MIJARES-URRUTIA & ARENDS, 1997)
• Marisora syntoma MCCRANIE, MATTHEWS & HEDGES, 2020
• 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 taeniatus (HALLOWELL, 1852)
• Mastigodryas amarali (STUART, 1938)
• Mastigodryas boddaerti (SENTZEN, 1796)
• Mastigodryas cliftoni (HARDY, 1964)
• Mastigodryas melanolomus (COPE, 1868)
• Mastigodryas moratoi MONTINGELLI & ZAHER, 2011
• Mastigodryas pleei (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Matobosaurus maltzahni (DE GRYS, 1938)
• Matobosaurus validus (SMITH, 1849)
• 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)
• Mediodactylus heterocercus (BLANFORD, 1874)
• Mediodactylus kotschyi (STEINDACHNER, 1870)
• Mehelya poensis (SMITH, 1849)
• Mehelya stenophthalmus (MOCQUARD, 1887)
• Meizodon coronatus (SCHLEGEL, 1837)
• Meizodon regularis FISCHER, 1856
• Meizodon semiornatus (PETERS, 1854)
• Melanochelys tricarinata (BLYTH, 1856)
• Melanochelys trijuga (SCHWEIGGER, 1812)
• Melanoseps occidentalis (PETERS, 1878)
• Meroles anchietae (BOCAGE, 1867)
• Meroles ctenodactylus (SMITH, 1838)
• Meroles cuneirostris (STRAUCH, 1867)
• Meroles knoxii (MILNE-EDWARDS, 1829)
• Meroles reticulatus (BOCAGE, 1867)
• Meroles squamulosus (PETERS, 1854)
• Meroles suborbitalis (PETERS, 1869)
• Mesalina balfouri (BLANFORD, 1881)
• Mesalina guttulata (LICHTENSTEIN, 1823)
• Mesalina olivieri (AUDOUIN, 1829)
• Mesalina pasteuri (BONS, 1960)
• Mesalina rubropunctata (LICHTENSTEIN, 1823)
• Mesalina simoni (BOETTGER, 1881)
• Mesoamericus bilobatus (O'SHAUGHNESSY, 1874)
• 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)
• Mesomycterus splendidus (GRANDIDIER, 1872)
• Mesoscincus managuae (DUNN, 1933)
• Mesoscincus schwartzei (FISCHER, 1884)
• Mesotes rutilus (PRADO, 1942)
• Mesotes strigatus (GÜNTHER, 1858)
• Metlapilcoatlus borealis TEPOS-RAMÍREZ, FLORES-VILLELA, VELASCO, LARA, GARCÍA-RUBIO & JADIN, 2021
• 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)
• Micrablepharus maximiliani (REINHARDT & LÜTKEN, 1862)
• Micrelaps muelleri BOETTGER, 1880
• Microgecko varaviensis GHOLAMIFARD, RASTEGAR-POUYANI & RASTEGAR-POUYANI, 2019
• Microlophus bivittatus (PETERS, 1871)
• Microlophus indefatigabilis (BAUR, 1890)
• Microlophus peruvianus (LESSON, 1830)
• Micruroides euryxanthus (KENNICOTT, 1860)
• Micrurus albicinctus AMARAL, 1925
• Micrurus alleni SCHMIDT, 1936
• Micrurus altirostris (COPE, 1860)
• Micrurus annellatus PETERS, 1871
• Micrurus apiatus (JAN, 1858)
• Micrurus averyi SCHMIDT, 1939
• Micrurus boicora BERNARDE, TURCI, ABEGG & FRANCO, 2018
• Micrurus brasiliensis ROZE, 1967
• Micrurus carvalhoi ROZE, 1967
• Micrurus circinalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• 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 diutius BURGER, 1955
• Micrurus dumerilii (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 ibiboboca (MERREM, 1820)
• Micrurus isozonus (COPE, 1860)
• Micrurus langsdorffi (WAGLER, 1824)
• Micrurus laticollaris PETERS, 1870
• Micrurus lemniscatus (LINNAEUS, 1758)
• Micrurus meridensis ROZE, 1989
• Micrurus michoacanensis DUGES, 1891
• Micrurus mipartitus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus mosquitensis SCHMIDT, 1933
• Micrurus multifasciatus (JAN, 1858)
• Micrurus nattereri SCHMIDT, 1952
• Micrurus obscurus (JAN, 1872)
• Micrurus oliveri ROZE, 1967
• Micrurus ornatissimus (JAN, 1858)
• Micrurus ortoni (SCHMIDT, 1953)
• Micrurus pacaraimae MORATO DE CARVALHO, 2002
• Micrurus paraensis CUNHA & NASCIMENTO, 1973
• Micrurus potyguara PIRES, DA SILVA Jr, FEITOSA, PRUDENTE, PEREIRA-FILHO & ZAHER, 2014
• Micrurus psyches (DAUDIN, 1803)
• Micrurus putumayensis LANCINI, 1962
• Micrurus pyrrhocryptus (COPE, 1862)
• Micrurus remotus ROZE, 1987
• Micrurus ruatanus (GÜNTHER, 1895)
• Micrurus silviae DI BERNARDO, BORGES-MARTINS & DA SILVA, 2007
• Micrurus spixii WAGLER, 1824
• Micrurus surinamensis (CUVIER, 1816)
• Micrurus tener (BAIRD & GIRARD, 1853)
• Micrurus tikuna FEITOSA, DA SILVA Jr, PIRES, ZAHER & PRUDENTE, 2015
• Micrurus tricolor HOGE, 1956
• Mixcoatlus barbouri (DUNN, 1919)
• Mixcoatlus browni (SHREVE, 1938)
• Mixcoatlus melanurus (MÜLLER, 1924)
• Mochlus fernandi (BURTON, 1836)
• Mochlus guineensis (PETERS, 1879)
• Mochlus hinkeli (WAGNER, BÖHME, PAUWELS & SCHMITZ, 2009)
• Mochlus sundevallii (SMITH, 1849)
• Monopeltis anchietae (BOCAGE, 1873)
• Monopeltis capensis SMITH, 1848
• Monopeltis decosteri BOULENGER, 1910
• Monopeltis galeata (HALLOWELL, 1852)
• Monopeltis infuscata BROADLEY, 1997
• Monopeltis jugularis PETERS, 1880
• Monopeltis leonhardi WERNER, 1910
• Monopeltis luandae GANS, 1976
• Monopeltis mauricei PARKER, 1935
• Monopeltis perplexus GANS, 1976
• Monopeltis sphenorhynchus (PETERS, 1879)
• Monopeltis vanderysti DE WITTE, 1922
• Montaspis gilvomaculata BOURQUIN, 1991
• Montatheris hindii (BOULENGER, 1910)
• Montivipera bornmuelleri (WERNER, 1898)
• Montivipera bulgardaghica (NILSON & ANDREN, 1985)
• Montivipera latifii (MERTENS, DAREVSKY & KLEMMER, 1967)
• Montivipera raddei (BOETTGER, 1890)
• Montivipera wagneri (NILSON & ANDRÉN, 1984)
• Montivipera xanthina (GRAY, 1849)
• Mopanveldophis zebrinus (BROADLEY & SCHÄTTI, 2000)
• Morenia ocellata (DUMÉRIL & BIBRON, 1835)
• Morenia petersi (ANDERSON, 1879)
• Morethia boulengeri (OGILBY, 1890)
• Morethia butleri (STORR, 1963)
• Morethia lineoocellata (DUMÉRIL & BIBRON, 1839)
• Morethia obscura STORR, 1972
• Morethia ruficauda (LUCAS & FROST, 1895)
• 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 albiventer (HALLERMANN & RÖDEL, 1995)
• Myriopholis algeriensis (JACQUET, 1896)
• Myriopholis cairi (DUMÉRIL & BIBRON, 1844)
• Myriopholis lanzai BROADLEY, WADE & WALLACH, 2014
• Myriopholis longicauda (PETERS, 1854)
• Myriopholis macrorhyncha (JAN, 1860)
• Myriopholis macrura (BOULENGER, 1899)
• Myriopholis narirostris (PETERS, 1867)
• Myriopholis perreti (ROUX-ESTÈVE, 1979)
• Myriopholis tanae (BROADLEY & WALLACH, 2007)
• Myriopholis wilsoni (HAHN, 1978)
• Myriopholis yemenica (SCORTECCI, 1933)
• 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 mlanjensis (BROADLEY, 1965)
• Naja anchietae BOCAGE, 1879
• Naja annulata PETERS, 1876
• Naja annulifera PETERS, 1854
• Naja arabica SCORTECCI, 1932
• Naja atra CANTOR, 1842
• Naja haje (LINNAEUS, 1758)
• 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 peroescobari CERÍACO, MARQUES, SCHMITZ & BAUER, 2017
• Naja samarensis PETERS, 1861
• Naja subfulva LAURENT, 1955
• Naja sumatrana MÜLLER, 1887
• Namazonurus lawrenci (FITZSIMONS, 1939)
• Namazonurus peersi (HEWITT, 1932)
• Namibiana gracilior (BOULENGER, 1910)
• Namibiana labialis (STERNFELD, 1908)
• Namibiana latifrons (STERNFELD, 1908)
• Namibiana occidentalis (FITZSIMONS, 1962)
• Namibiana rostrata (BOCAGE, 1886)
• Nannoscincus fuscus GÜNTHER, 1872
• Nannoscincus mariei (BAVAY, 1869)
• Natator depressus (GARMAN, 1880)
• Natriciteres bipostocularis BROADLEY, 1962
• Natriciteres fuliginoides (GÜNTHER, 1858)
• Natriciteres olivacea (PETERS, 1854)
• 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)
• Naultinus manukanus (MCCANN, 1955)
• Naultinus rudis (FISCHER, 1881)
• Nerodia clarkii (BAIRD & GIRARD, 1853)
• Nerodia cyclopion (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Nerodia erythrogaster (FORSTER, 1771)
• Nerodia fasciata (LINNAEUS, 1766)
• Nerodia rhombifer (HALLOWELL, 1852)
• Nerodia sipedon (LINNAEUS, 1758)
• Nerodia taxispilota (HOLBROOK, 1838)
• Nessia monodactyla (GRAY, 1839)
• Neusticurus tatei (BURT & BURT, 1931)
• 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 hudsoni PARKER, 1940
• Ninia pavimentata (BOCOURT, 1883)
• Ninia sebae (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Ninurta coeruleopunctatus (HEWITT & METHUEN, 1913)
• Notechis scutatus (PETERS, 1861)
• Notochelys platynota (GRAY, 1834)
• Notomabuya frenata (COPE, 1863)
• Nucras caesicaudata BROADLEY, 1972
• Nucras holubi (STEINDACHNER, 1882)
• Nucras intertexta (SMITH, 1838)
• Nucras lalandii (MILNE-EDWARDS, 1829)
• Nucras livida (SMITH, 1838)
• Nucras ornata (GRAY, 1864)
• Nucras scalaris LAURENT, 1964
• Nucras taeniolata (SMITH, 1838)
• Nucras tessellata (SMITH, 1838)
• Oedura marmorata GRAY, 1842
• Oligodon formosanus (GÜNTHER, 1872)
• Oligodon macrurus (ANGEL, 1927)
• Oligodon mouhoti (BOULENGER, 1914)
• Oligodon notospilus GÜNTHER, 1873
• Oligodon ornatus VAN DENBURGH, 1909
• Oligodon taeniolatus (JERDON, 1853)
• Oligodon vertebralis GÜNTHER, 1865
• Oligosoma oliveri (MCCANN, 1955)
• Oocatochus rufodorsatus (CANTOR, 1842)
• Opheodrys aestivus (LINNAEUS, 1766)
• Opheodrys vernalis (HARLAN, 1827)
• Ophiodes fragilis (RADDI, 1820)
• Ophiodes intermedius BOULENGER, 1894
• Ophiodes striatus (SPIX, 1824)
• Ophiodes vertebralis BOCOURT, 1881
• Ophiomorus punctatissimus (BIBRON & BORY DE ST. VINCENT, 1833)
• Ophiophagus hannah (CANTOR, 1836)
• Ophisaurus attenuatus BAIRD, 1880
• Ophisaurus compressus COPE, 1900
• Ophisaurus ventralis (LINNAEUS, 1766)
• Ophisops elegans MÉNÉTRIES, 1832
• Ophisops occidentalis (BOULENGER, 1887)
• Ophryacus smaragdinus GRÜNWALD, JONES, FRANZ-CHÁVEZ & AHUMADA-CARiLLO, 2015
• Ophryacus undulatus (JAN, 1859)
• Opisthotropis latouchii (BOULENGER, 1899)
• Oreocryptophis porphyraceus (CANTOR, 1839)
• Oreosaurus achlyens (UZZELL, 1958)
• Orientocoluber spinalis (PETERS, 1866)
• Orlitia borneensis GRAY, 1873
• Ornithuroscincus noctua (LESSON, 1830)
• Osteolaemus osborni (SCHMIDT, 1919)
• Osteolaemus tetraspis COPE, 1861
• Ouroborus cataphractus (BOIE, 1828)
• Ovophis convictus (STOLICZKA, 1870)
• Ovophis makazayazaya (TAKAHASHI, 1922)
• Ovophis monticola (GÜNTHER, 1864)
• Ovophis okinavensis (BOULENGER, 1892)
• Oxybelis aeneus (WAGLER, 1824)
• Oxybelis brevirostris (COPE, 1861)
• Oxybelis fulgidus (DAUDIN, 1803)
• Oxyrhabdium modestum (DUMÉRIL, 1853)
• Oxyrhopus clathratus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus doliatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus fitzingeri (TSCHUDI, 1845)
• Oxyrhopus formosus (WIED-NEUWIED, 1820)
• Oxyrhopus guibei HOGE & ROMANO, 1977
• Oxyrhopus leucomelas (WERNER, 1916)
• 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
• Pachydactylus affinis BOULENGER, 1896
• Pachydactylus amoenus WERNER, 1910
• Pachydactylus angolensis LOVERIDGE, 1944
• Pachydactylus atorquatus BAUER & BARTS & HULBERT, 2006
• Pachydactylus austeni HEWITT, 1923
• Pachydactylus barnardi FITZSIMONS, 1941
• Pachydactylus capensis (SMITH, 1846)
• Pachydactylus caraculicus FITZSIMONS, 1959
• Pachydactylus carinatus BAUER, LAMB & BRANCH, 2006
• Pachydactylus formosus SMITH, 1849
• Pachydactylus geitje (SPARRMAN, 1778)
• Pachydactylus haackei BRANCH, BAUER & GOOD, 1996
• Pachydactylus kladaroderma BRANCH, BAUER & GOOD, 1996
• Pachydactylus labialis FITZSIMONS, 1938
• Pachydactylus latirostris HEWITT, 1923
• Pachydactylus macrolepis FITZSIMONS, 1939
• Pachydactylus maculatus GRAY, 1845
• Pachydactylus mariquensis SMITH, 1849
• Pachydactylus monicae BAUER, LAMB & BRANCH, 2006
• Pachydactylus montanus METHUEN & HEWITT, 1914
• Pachydactylus namaquensis (SCLATER, 1898)
• Pachydactylus oculatus HEWITT, 1927
• Pachydactylus oreophilus MCLACHLAN & SPENCE, 1967
• Pachydactylus punctatus PETERS, 1854
• Pachydactylus purcelli BOULENGER, 1910
• Pachydactylus rangei (ANDERSSON, 1908)
• Pachydactylus rugosus SMITH, 1849
• Pachydactylus scherzi MERTENS, 1954
• Pachydactylus scutatus HEWITT, 1927
• Pachydactylus tigrinus VAN DAM, 1921
• Pachydactylus vansoni FITZSIMONS, 1933
• Pachydactylus vanzyli (STEYN & HAACKE, 1966)
• Pachydactylus visseri BAUER, LAMB & BRANCH, 2006
• Pachydactylus wahlbergii (PETERS, 1869)
• Pachydactylus weberi ROUX, 1907
• Palea steindachneri (SIEBENROCK, 1906)
• Paleosuchus palpebrosus (CUVIER, 1807)
• Palusophis bifossatus (RADDI, 1820)
• Pamelaescincus gardineri (BOULENGER, 1909)
• Panaspis breviceps (PETERS, 1873)
• Panaspis cabindae (BOCAGE, 1866)
• Panaspis duruarum (MONARD, 1949)
• Panaspis maculicollis JACOBSON & BROADLEY, 2000
• Panaspis massaiensis (ANGEL, 1924)
• Panaspis togoensis (WERNER, 1902)
• Panaspis tristaoi (MONARD, 1940)
• Panaspis wahlbergii (SMITH, 1849)
• Pangshura smithii (GRAY, 1863)
• Pangshura sylhetensis JERDON, 1870
• Pangshura tecta (GRAY, 1831)
• Pangshura tentoria (GRAY, 1834)
• Panolopus aenetergum SCHWARTZ & JACOBS, 1989
• Panolopus chalcorhabdus SCHWARTZ, 1964
• Panolopus costatus COPE, 1862
• Panolopus emys SCHWARTZ, 1971
• Panolopus leionotus SCHWARTZ, 1964
• Panolopus melanchrous SCHWARTZ, 1964
• Panolopus neiba SCHWARTZ, 1964
• Panolopus nesobous SCHWARTZ, 1964
• Panolopus oreistes SCHWARTZ, 1964
• Panolopus psychonothes SCHWARTZ, 1964
• Panolopus saonae SCHWARTZ, 1971
• Panopa carvalhoi (REBOUCAS-SPIEKER & VANZOLINI, 1990)
• 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 vulpinus (BAIRD & GIRARD, 1853)
• Paracontias brocchii MOCQUARD, 1894
• Paracontias hildebrandti (PETERS, 1880)
• Paracontias holomelas (GÜNTHER, 1877)
• Paracontias milloti ANGEL, 1949
• Paracontias minimus (MOCQUARD, 1906)
• Paracontias rothschildi MOCQUARD, 1905
• Paralaudakia caucasia (EICHWALD, 1831)
• Paraphimophis rusticus (COPE, 1878)
• Pareas chinensis (BARBOUR, 1912)
• Pareas formosensis (VAN DENBURGH, 1909)
• Parvilacerta fraasii (LEHRS, 1910)
• Parvoscincus decipiens (BOULENGER, 1895)
• Parvoscincus steerei (STEJNEGER, 1908)
• Pedioplanis benguelensis (BOCAGE, 1867)
• Pedioplanis burchelli (DUMÉRIL & BIBRON, 1839)
• Pedioplanis haackei CONRADIE, MEASEY, BRANCH & TOLLEY, 2012
• Pedioplanis huntleyi CONRADIE, MEASEY, BRANCH & TOLLEY, 2012
• Pedioplanis inornata (ROUX, 1907)
• Pedioplanis laticeps (SMITH, 1845)
• Pedioplanis lineoocellata (DUMÉRIL & BIBRON, 1839)
• Pedioplanis namaquensis (DUMÉRIL & BIBRON, 1839)
• Pedioplanis serodioi PARRINHA, MARQUES, HEINICKE, KHALID, PARKER, TOLLEY, CHILDERS, CONRADIE, BAUER & CERÍACO, 2021
• Pelochelys bibroni (OWEN, 1853)
• Pelochelys cantorii GRAY, 1864
• Pelochelys signifera WEBB, 2002
• Pelodiscus axenaria (ZHOU, ZHANG & FANG, 1991)
• Pelodiscus huangshanensis GONG, PENG, HUANG, LIN, HUANG, XU, YANG, & NIE, 2021
• Pelodiscus maackii (BRANDT, 1858)
• Pelodiscus parviformis TANG, 1997
• Pelodiscus sinensis (WIEGMANN, 1835)
• Pelodiscus variegatus FARKAS, ZIEGLER, PHAM, ONG & FRITZ, 2019
• Pelomedusa barbata PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
• 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 cupulatta BOUR & MARAN, 2003
• 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 upembae BROADLEY, 1981
• Pelusios williamsi LAURENT, 1965
• Petracola ventrimaculatus (BOULENGER, 1900)
• Petrosaurus mearnsi (STEJNEGER, 1894)
• Petrosaurus slevini (VAN DENBURGH, 1922)
• Phalotris bilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phalotris concolor FERRAREZZI, 1993
• Phalotris labiomaculatus DE LEMA, 2002
• Phalotris lativittatus FERRAREZZI, 1993
• Phalotris lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phalotris matogrossensis DE LEMA, D’AGOSTINI & CAPPELLARI, 2005
• Phalotris mertensi (HOGE, 1955)
• Phalotris multipunctatus PUORTO & FERRAREZZI, 1993
• Phalotris nasutus (GOMES, 1915)
• Phalotris reticulatus (PETERS, 1860)
• Phalotris spegazzinii (BOULENGER, 1913)
• Phalotris suspectus (AMARAL, 1924)
• Phalotris tricolor (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phelsuma abbotti STEJNEGER, 1893
• Phelsuma cepediana (MILBERT, 1812)
• Phelsuma laticauda (BOETTGER, 1880)
• Philochortus zolii SCORTECCI, 1934
• Philodryas aestiva (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Philodryas agassizii (JAN, 1863)
• Philodryas arnaldoi (AMARAL, 1932)
• Philodryas cordata DONNELLY & MYERS, 1991
• Philodryas livida (AMARAL, 1923)
• Philodryas mattogrossensis KOSLOWSKY, 1898
• Philodryas nattereri (STEINDACHNER, 1870)
• Philodryas olfersii (LICHTENSTEIN, 1823)
• Philodryas patagoniensis (GIRARD, 1858)
• Philodryas psammophidea GÜNTHER, 1872
• Philothamnus angolensis BOCAGE, 1882
• Philothamnus bequaerti (SCHMIDT, 1923)
• Philothamnus carinatus (ANDERSSON, 1901)
• Philothamnus dorsalis (BOCAGE, 1866)
• Philothamnus heterodermus (HALLOWELL, 1857)
• Philothamnus heterolepidotus (GÜNTHER, 1863)
• Philothamnus hoplogaster (GÜNTHER, 1863)
• Philothamnus hughesi TRAPE & ROUX-ESTÈVE, 1990
• Philothamnus irregularis (LEACH, 1819)
• Philothamnus natalensis (SMITH, 1848)
• Philothamnus nitidus (GÜNTHER, 1863)
• Philothamnus occidentalis BROADLEY, 1966
• Philothamnus ornatus BOCAGE, 1872
• Philothamnus semivariegatus (SMITH, 1840)
• Phimophis guerini (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phimophis guianensis (TROSCHEL, 1848)
• Phoboscincus garnieri (BAVAY, 1869)
• Pholidobolus vertebralis (O’SHAUGHNESSY, 1879)
• Pholidoscelis alboguttatus (BOULENGER, 1896)
• Pholidoscelis chrysolaemus (COPE, 1868)
• Pholidoscelis desechensis (HEATWOLE & TORRES, 1967)
• Pholidoscelis exsul (COPE, 1862)
• Pholidoscelis lineolatus (DUMÉRIL & BIBRON, 1839)
• Pholidoscelis taeniurus (COPE, 1862)
• Phrynocephalus frontalis STRAUCH, 1876
• Phrynocephalus guttatus (GMELIN, 1789)
• Phrynocephalus helioscopus (PALLAS, 1771)
• Phrynocephalus hispidus BEDRIAGA, 1909
• Phrynocephalus kulagini BEDRIAGA, 1909
• Phrynocephalus mystaceus (PALLAS, 1776)
• Phrynocephalus versicolor STRAUCH, 1876
• Phrynonax poecilonotus (GÜNTHER, 1858)
• Phrynonax sexcarinatus (WAGLER, 1824)
• Phrynops geoffroanus (SCHWEIGGER, 1812)
• Phrynops hilarii (DUMÉRIL & BIBRON, 1835)
• Phrynops tuberosus (PETERS, 1870)
• Phrynops williamsi RHODIN & MITTERMEIER, 1983
• Phrynosoma blainvillii GRAY, 1839
• Phrynosoma braconnieri BOCOURT, 1870
• Phrynosoma cerroense STEJNEGER, 1893
• Phrynosoma cornutum (HARLAN, 1825)
• Phrynosoma coronatum (BLAINVILLE, 1835)
• Phrynosoma ditmarsi STEJNEGER, 1906
• Phrynosoma douglasii (BELL, 1829)
• Phrynosoma goodei STEJNEGER, 1893
• Phrynosoma hernandesi GIRARD, 1858
• Phrynosoma mcallii (HALLOWELL, 1852)
• Phrynosoma modestum GIRARD, 1852
• Phrynosoma orbiculare (LINNAEUS, 1758)
• Phrynosoma platyrhinos GIRARD, 1852
• Phrynosoma sherbrookei NIETO-MONTES DE OCA, ARENAS-MORENO, BELTRÁN-SÁNCHEZ & LEACHÉ, 2014
• Phrynosoma solare GRAY, 1845
• Phrynosoma taurus BOCOURT, 1870
• Phyllodactylus bordai TAYLOR, 1942
• Phyllodactylus delcampoi MOSAUER, 1936
• Phyllodactylus homolepidurus SMITH, 1935
• Phyllodactylus isabelae CASTRO-FRANCO & URIBE-PENA, 1992
• Phyllodactylus lanei SMITH, 1935
• Phyllodactylus leei COPE, 1889
• Phyllodactylus lupitae CASTRO-FRANCO & URIBE-PENA, 1992
• Phyllodactylus magister NOBLE, 1924
• Phyllodactylus muralis TAYLOR, 1940
• Phyllodactylus nolascoensis DIXON, 1964
• Phyllodactylus palmeus DIXON, 1968
• Phyllodactylus rupinus DIXON, 1964
• Phyllopezus lutzae (LOVERIDGE, 1941)
• Phyllopezus pollicaris (SPIX, 1825)
• Phyllopezus selmae DUBEUX, GONÇALVES, PALMEIRA, NUNES, CASSIMIRO, GAMBLE, WERNECK, RODRIGUES & MOTT, 2022
• Phyllorhynchus browni STEJNEGER, 1890
• Phyllorhynchus decurtatus (COPE, 1868)
• Phymaturus patagonicus KOSLOWSKY, 1898
• Phymaturus spurcus BARBOUR, 1921
• Pinoyscincus jagori (PETERS, 1864)
• Pituophis catenifer (BLAINVILLE, 1835)
• Pituophis deppei (DUMÉRIL, 1853)
• Pituophis lineaticollis (COPE, 1861)
• Pituophis melanoleucus (DAUDIN, 1803)
• Pituophis ruthveni STULL, 1929
• Pituophis vertebralis (BLAINVILLE, 1835)
• Placosoma cordylinum TSCHUDI, 1847
• Placosoma glabellum (PETERS, 1870)
• Plagiopholis delacouri ANGEL, 1929
• Plagiopholis styani (BOULENGER, 1899)
• Platemys platycephala (SCHNEIDER, 1792)
• Platyceps brevis (BOULENGER, 1895)
• Platyceps collaris (MÜLLER, 1878)
• Platyceps elegantissimus (GÜNTHER, 1878)
• Platyceps florulentus (GEOFFROY SAINT-HILAIRE, 1827)
• Platyceps karelini (BRANDT, 1838)
• Platyceps najadum (EICHWALD, 1831)
• Platyceps rhodorachis (JAN, 1863)
• Platyceps rogersi (ANDERSON, 1893)
• Platyceps saharicus SCHÄTTI & MCCARTHY, 2004
• Platyceps sinai (SCHMIDT & MARX, 1956)
• Platyceps smithii (BOULENGER, 1895)
• Platyceps thomasi (PARKER, 1931)
• Platyceps variabilis (BOULENGER, 1905)
• Platyplectrurus madurensis BEDDOME, 1877
• Platysaurus attenboroughi WHITING, BRANCH, PEPPER & KEOGH, 2015
• Platysaurus broadleyi BRANCH & WHITING, 1997
• Platysaurus capensis SMITH, 1844
• Platysaurus guttatus SMITH, 1849
• Platysaurus intermedius MATSCHIE, 1891
• Platysaurus lebomboensis JACOBSEN, 1994
• Platysaurus minor FITZSIMONS, 1930
• Platysaurus monotropis JACOBSEN, 1994
• Platysaurus orientalis FITZSIMONS, 1941
• Platysaurus relictus BROADLEY, 1976
• Platysternon megacephalum GRAY, 1831
• Plesiodipsas perijanensis (ALEMÁN, 1953)
• Plestiodon anthracinus BAIRD, 1849
• Plestiodon bilineatus (TANNER, 1958)
• Plestiodon brevirostris (GÜNTHER, 1860)
• Plestiodon callicephalus (BOCOURT, 1879)
• Plestiodon capito (BOCOURT, 1879)
• Plestiodon chinensis (GRAY, 1839)
• Plestiodon colimensis (TAYLOR, 1935)
• Plestiodon copei (TAYLOR, 1933)
• Plestiodon dugesii (THOMINOT, 1883)
• Plestiodon elegans (BOULENGER, 1887)
• Plestiodon fasciatus (LINNAEUS, 1758)
• Plestiodon finitimus OKAMOTO & HIKIDA, 2012
• Plestiodon inexpectatus (TAYLOR, 1932)
• Plestiodon kishinouyei (STEJNEGER, 1901)
• Plestiodon lagunensis (VAN DENBURGH, 1895)
• Plestiodon laticeps (SCHNEIDER, 1801)
• Plestiodon latiscutatus HALLOWELL, 1861
• Plestiodon longiartus GARCÍA-VÁZQUEZ, PAVÓN-VÁZQUEZ, FERIA-ORTIZ & NIETO-MONTES DE OCA, 2021
• Plestiodon lotus PAVÓN-VÁZQUEZ, NIETO-MONTES DE OCA, MENDOZA-HERNÁNDEZ, CENTENERO-ALCALÁ, SANTA CRUZ-PADILLA & JIMÉNEZ-ARCOS, 2017
• Plestiodon lynxe (WIEGMANN, 1834)
• Plestiodon marginatus HALLOWELL, 1861
• Plestiodon multivirgatus HALLOWELL, 1858
• Plestiodon obsoletus BAIRD & GIRARD, 1852
• Plestiodon ochoterenae (TAYLOR, 1933)
• Plestiodon parviauriculatus (TAYLOR, 1933)
• Plestiodon parvulus (TAYLOR, 1933)
• Plestiodon reynoldsi (STEJNEGER, 1910)
• Plestiodon septentrionalis BAIRD, 1858
• Plestiodon skiltonianus BAIRD & GIRARD, 1852
• Plestiodon sumichrasti (COPE, 1867)
• Plestiodon tetragrammus BAIRD, 1859
• Plestiodon tunganus (STEJNEGER, 1924)
• Pliocercus euryzonus COPE, 1862
• Podarcis bocagei (LOPEZ-SEOANE, 1885)
• Podarcis carbonelli PÉREZ-MELLADO, 1981
• Podarcis filfolensis (BEDRIAGA, 1876)
• Podarcis hispanicus (STEINDACHNER, 1870)
• Podarcis lilfordi (GÜNTHER, 1874)
• Podarcis liolepis (BOULENGER, 1905)
• Podarcis melisellensis (BRAUN, 1877)
• Podarcis milensis (BEDRIAGA, 1882)
• Podarcis muralis (LAURENTI, 1768)
• Podarcis pityusensis (BOSCÁ, 1883)
• Podarcis siculus (RAFINESQUE-SCHMALTZ, 1810)
• Podarcis tauricus (GEORGI, 1801)
• Podarcis tiliguerta (GMELIN, 1789)
• Podarcis vaucheri (BOULENGER, 1905)
• Podarcis waglerianus GISTEL, 1868
• 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
• Polemon acanthias (REINHARDT, 1861)
• Polemon ater PORTILLO, BRANCH, TILBURY, NAGY, HUGHES, KUSAMBA, MUNINGA, ARISTOTE, BEHANGANA & GREENBAUM, 2019
• 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 notatus (PETERS, 1882)
• Polychrus acutirostris SPIX, 1825
• Polychrus gutturosus BERTHOLD, 1846
• Polychrus liogaster BOULENGER, 1908
• Polychrus marmoratus (LINNAEUS, 1758)
• Polychrus peruvianus (NOBLE, 1924)
• Poromera fordii (HALLOWELL, 1857)
• Porthidium lansbergii (SCHLEGEL, 1841)
• Porthidium ophryomegas (BOCOURT, 1868)
• Pristidactylus araucanus (GALLARDO, 1964)
• Pristidactylus torquatus (PHILIPPI, 1861)
• Pristurus samhaensis RÖSLER & WRANIK, 1999
• Procellosaurinus tetradactylus RODRIGUES, 1991
• Proctoporus bolivianus WERNER, 1910
• Proctoporus guentheri (BOETTGER, 1891)
• Proctoporus lacertus (STEJNEGER, 1913)
• 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 ruspolii (BOULENGER, 1896)
• Prosymna stuhlmanni (PFEFFER, 1893)
• Prosymna sundevalli (SMITH, 1849)
• Prosymna visseri FITZSIMONS, 1959
• Protobothrops elegans (GRAY, 1849)
• Protobothrops flavoviridis (HALLOWELL, 1861)
• Protobothrops jerdonii (GÜNTHER, 1875)
• Protobothrops mucrosquamatus (CANTOR, 1839)
• Psammobates geometricus (LINNAEUS, 1758)
• Psammobates oculifer (KUHL, 1820)
• Psammobates tentorius (BELL, 1828)
• Psammodromus algirus (LINNAEUS, 1758)
• Psammodromus blanci (LATASTE, 1880)
• Psammodromus microdactylus (BOETTGER, 1881)
• 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 crucifer (DAUDIN, 1803)
• Psammophis elegans (SHAW, 1802)
• Psammophis jallae PERACCA, 1896
• Psammophis leightoni BOULENGER, 1902
• Psammophis leopardinus BOCAGE, 1887
• Psammophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Psammophis lineolatus (BRANDT, 1838)
• Psammophis mossambicus PETERS, 1882
• Psammophis notostictus PETERS, 1867
• Psammophis phillipsii (HALLOWELL, 1844)
• Psammophis pulcher BOULENGER, 1895
• 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 kellyi CONRADIE, KEATES & EDWARDS, 2019
• Psammophylax multisquamis (LOVERIDGE, 1932)
• Psammophylax ocellatus BOCAGE, 1873
• Psammophylax rhombeatus (LINNAEUS, 1758)
• Psammophylax tritaeniatus (GÜNTHER, 1868)
• Psammophylax variabilis GÜNTHER, 1893
• Pseudagkistrodon rudis (BOULENGER, 1906)
• Pseudalsophis elegans (TSCHUDI, 1845)
• Pseudaspis cana (LINNAEUS, 1758)
• Pseudelaphe flavirufa (COPE, 1867)
• Pseudemoia spenceri (LUCAS & FROST, 1894)
• 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
• Pseuderemias brenneri (PETERS, 1869)
• Pseuderemias striata (PETERS, 1874)
• Pseudoacontias madagascariensis BOCAGE, 1889
• 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 lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudocalotes kakhienensis (ANDERSON, 1879)
• Pseudocerastes fieldi SCHMIDT, 1930
• Pseudocerastes persicus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudocordylus langi LOVERIDGE, 1944
• Pseudocordylus melanotus (SMITH, 1838)
• Pseudocordylus microlepidotus (CUVIER, 1829)
• Pseudocordylus spinosus FITZSIMONS, 1947
• Pseudocordylus subviridis (SMITH, 1838)
• Pseudocordylus transvaalensis FITZSIMONS, 1943
• Pseudoeryx plicatilis (LINNAEUS, 1758)
• Pseudoeryx relictualis SCHARGEL, RIVAS-FUENMAYOR, BARROS, PÉFAUR & NAVARETTE, 2007
• Pseudoferania polylepis (FISCHER, 1886)
• Pseudoficimia frontalis (COPE, 1864)
• Pseudohaje goldii (BOULENGER, 1895)
• Pseudoindotyphlops exiguus (JAN, 1864)
• Pseudonaja nuchalis GÜNTHER, 1858
• Pseudonaja textilis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudopus apodus (PALLAS, 1775)
• Pseudotrapelus chlodnickii MELNIKOV, ŚMIEŁOWSKI, MELNIKOVA, NAZAROV & ANANJEVA, 2015
• Pseudotrapelus sinaitus (HEYDEN, 1827)
• Pseudoxenodon macrops (BLYTH, 1855)
• Pseudoxenodon stejnegeri BARBOUR, 1908
• Pseudoxyrhopus tritaeniatus MOCQUARD, 1894
• Psomophis genimaculatus (BOETTGER, 1885)
• Psomophis joberti (SAUVAGE, 1884)
• Psomophis obtusus (COPE, 1863)
• Psychosaura agmosticha (RODRIGUES, 2000)
• Psychosaura macrorhyncha (HOGE, 1946)
• Ptenopus garrulus (SMITH, 1849)
• Ptyas dhumnades (CANTOR, 1842)
• Ptyas herminae (BOETTGER, 1895)
• Ptyas korros (SCHLEGEL, 1837)
• Ptyas major (GÜNTHER, 1858)
• Ptyas mucosa (LINNAEUS, 1758)
• Ptyas nigromarginata (BLYTH, 1855)
• Ptyas semicarinata (HALLOWELL, 1861)
• Ptychophis flavovirgatus GOMES, 1915
• Ptyodactylus guttatus HEYDEN, 1827
• Ptyodactylus hasselquistii (DONNDORFF, 1798)
• Ptyodactylus oudrii LATASTE, 1880
• Ptyodactylus ragazzii ANDERSON, 1898
• Ptyodactylus siphonorhina ANDERSON, 1896
• Ptyodactylus togoensis TORNIER, 1901
• Pygomeles braconnieri GRANDIDIER, 1867
• Pygomeles petteri PASTEUR & PAULIAN, 1962
• Pygomeles trivittatus BOULENGER, 1896
• Pygopus nigriceps (FISCHER, 1882)
• Python anchietae BOCAGE, 1887
• Python natalensis SMITH, 1840
• Python regius (SHAW, 1802)
• Python sebae (GMELIN, 1789)
• Pythonodipsas carinata GÜNTHER, 1868
• Pyxis arachnoides BELL, 1827
• Pyxis planicauda (GRANDIDIER, 1867)
• Quedenfeldtia moerens (CHABANAUD, 1916)
• Quedenfeldtia trachyblepharus (BOETTGER, 1874)
• Rafetus euphraticus (DAUDIN, 1801)
• Rafetus swinhoei (GRAY, 1873)
• Ramigekko swartbergensis (HAACKE, 1996)
• Ramphotyphlops depressus PETERS, 1880
• Ramphotyphlops flaviventer (PETERS, 1864)
• Ranacephala hogei (MERTENS, 1967)
• Regina grahamii BAIRD & GIRARD, 1853
• Rena dugesii (BOCOURT, 1881)
• Rena dulcis BAIRD & GIRARD, 1853
• Rena humilis BAIRD & GIRARD, 1853
• Rena maxima (LOVERIDGE, 1932)
• Rhabdophis chrysargos (SCHLEGEL, 1837)
• Rhabdophis lateralis (BERTHOLD, 1859)
• Rhabdophis nuchalis (BOULENGER, 1891)
• Rhabdophis plumbicolor (CANTOR, 1839)
• Rhabdophis swinhonis (GÜNTHER, 1868)
• Rhabdophis tigrinus (BOIE, 1826)
• Rhachidelus brazili BOULENGER, 1908
• Rhachisaurus brachylepis (DIXON, 1974)
• Rhadinaea calligaster (COPE, 1875)
• Rhadinaea decorata (GÜNTHER, 1858)
• Rhadinaea flavilata (COPE, 1871)
• Rhadinaea forbesi SMITH, 1942
• Rhadinaea fulvivittis COPE, 1875
• Rhadinaea hesperia BAILEY, 1940
• Rhadinaea laureata (GÜNTHER, 1868)
• Rhadinaea pulveriventris BOULENGER, 1896
• Rhadinaea vermiculaticeps (COPE, 1860)
• Rhadinella godmani (GÜNTHER, 1865)
• Rhadinella lachrymans (COPE, 1870)
• Rhadinella rogerromani (KÖHLER & MCCRANIE, 1999)
• Rhadinella tolpanorum (HOLM & CRUZ-DÍAZ, 1994)
• Rhamnophis aethiopissa GÜNTHER, 1862
• Rhamphiophis maradiensis CHIRIO & INEICH, 1991
• Rhamphiophis oxyrhynchus (REINHARDT, 1843)
• Rhamphiophis rostratus PETERS, 1854
• Rhamphiophis rubropunctatus (FISCHER, 1884)
• Rhampholeon acuminatus MARIAUX & TILBURY, 2006
• Rhampholeon beraduccii MARIAUX & TILBURY, 2006
• Rhampholeon boulengeri STEINDACHNER, 1911
• Rhampholeon chapmanorum TILBURY, 1992
• Rhampholeon gorongosae BROADLEY, 1971
• Rhampholeon hattinghi TILBURY & TOLLEY, 2015
• Rhampholeon marshalli BOULENGER, 1906
• Rhampholeon moyeri MENEGON, SALVIDIO & TILBURY, 2002
• Rhampholeon nchisiensis (LOVERIDGE, 1953)
• Rhampholeon platyceps GÜNTHER, 1893
• Rhampholeon spectrum (BUCHHOLZ, 1874)
• Rhampholeon spinosus (MATSCHIE, 1892)
• Rhampholeon temporalis (MATSCHIE, 1892)
• Rhampholeon uluguruensis TILBURY & EMMRICH, 1996
• Rhampholeon viridis MARIAUX & TILBURY, 2006
• 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)
• Rhinophis porrectus WALL, 1921
• Rhinotyphlops lalandei (SCHLEGEL, 1839)
• Rhinotyphlops schinzi (BOETTGER, 1887)
• Rhinotyphlops scorteccii (GANS & LAURENT, 1965)
• Rhinotyphlops unitaeniatus (PETERS, 1878)
• Rhoptropella ocellata (BOULENGER, 1885)
• Rhoptropus afer PETERS, 1869
• Rhoptropus barnardi HEWITT, 1926
• Rhoptropus benguellensis MERTENS, 1938
• Rhoptropus biporosus FITZSIMONS, 1957
• Rhoptropus boultoni SCHMIDT, 1933
• Rhoptropus montanus LAURENT, 1964
• Rhoptropus taeniostictus LAURENT, 1964
• Rhynchocalamus levitoni (TORKI, 2017)
• Rhynchocalamus melanocephalus (JAN, 1862)
• Rhynchocalamus satunini (NIKOLSKY, 1899)
• Rieppeleon brachyurus (GÜNTHER, 1893)
• Rieppeleon brevicaudatus (MATSCHIE, 1892)
• Rieppeleon kerstenii (PETERS, 1868)
• Riolama leucosticta (BOULENGER, 1900)
• Riopa vosmaerii (GRAY, 1839)
• Rodriguesophis chui (RODRIGUES, 1993)
• Rodriguesophis iglesiasi (GOMES, 1915)
• Rodriguesophis scriptorcibatus (RODRIGUES, 1993)
• Sacalia bealei (GRAY, 1831)
• Sacalia quadriocellata (SIEBENROCK, 1903)
• Salvadora bairdi JAN, 1860
• Salvadora grahamiae BAIRD & GIRARD, 1853
• Salvadora gymnorhachis HERNÁNDEZ-JIMÉNEZ, FLORES-VILLELA & CAMPBELL, 2019
• 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
• Saphenophis antioquiensis (DUNN, 1943)
• Saphenophis atahuallpae (STEINDACHNER, 1901)
• Saphenophis boursieri (JAN, 1867)
• Saphenophis tristriatus (RENDAHL & VESTERGREN, 1940)
• Sarada deccanensis (JERDON, 1870)
• Sauresia sepsoides GRAY, 1852
• Saurodactylus elmoudenii JOGER, VOGLER & JAVANMARDI, 2019
• Saurodactylus fasciatus WERNER, 1931
• Saurodactylus mauritanicus (DUMÉRIL & BIBRON, 1836)
• Sauromalus ater DUMÉRIL, 1856
• Sauromalus hispidus STEJNEGER, 1891
• Scaphiophis albopunctatus PETERS, 1870
• Scelarcis perspicillata (DUMÉRIL & BIBRON, 1839)
• Sceloporus aeneus WIEGMANN, 1828
• Sceloporus albiventris SMITH, 1939
• Sceloporus angustus (DICKERSON, 1919)
• Sceloporus aureolus SMITH, 1942
• Sceloporus becki VAN DENBURGH, 1905
• Sceloporus bicanthalis SMITH, 1937
• Sceloporus brownorum SMITH, WATKINS-COLWELL, LEMOS-ESPINAL & CHISZAR, 1997
• Sceloporus bulleri BOULENGER, 1895
• Sceloporus cautus SMITH, 1938
• Sceloporus chrysostictus COPE, 1866
• Sceloporus clarkii BAIRD & GIRARD, 1852
• Sceloporus consobrinus BAIRD & GIRARD, 1854
• Sceloporus couchii BAIRD, 1859
• Sceloporus cowlesi LOWE & NORRIS, 1956
• Sceloporus cozumelae JONES, 1927
• Sceloporus cupreus BOCOURT, 1873
• Sceloporus cyanogenys COPE, 1885
• Sceloporus cyanostictus AXTELL & AXTELL, 1971
• Sceloporus dugesii BOCOURT, 1874
• Sceloporus edwardtaylori SMITH, 1936
• Sceloporus esperanzae MCCRANIE, 2018
• Sceloporus formosus WIEGMANN, 1834
• Sceloporus gadoviae BOULENGER, 1905
• Sceloporus goldmani SMITH, 1937
• Sceloporus graciosus BAIRD & GIRARD, 1852
• Sceloporus grammicus WIEGMANN, 1828
• Sceloporus grandaevus (DICKERSON, 1919)
• Sceloporus hesperus BRYSON & GRUMMER, 2021
• Sceloporus heterolepis BOULENGER, 1895
• Sceloporus hondurensis MCCRANIE, 2018
• Sceloporus horridus WIEGMANN, 1834
• Sceloporus jalapae GÜNTHER, 1890
• Sceloporus jarrovii COPE, 1875
• Sceloporus lundelli SMITH, 1939
• Sceloporus maculosus SMITH, 1934
• Sceloporus magister HALLOWELL, 1854
• Sceloporus marmoratus HALLOWELL, 1852
• Sceloporus megalepidurus SMITH, 1934
• Sceloporus melanogaster COPE, 1885
• Sceloporus melanorhinus BOCOURT, 1876
• Sceloporus mucronatus COPE, 1885
• Sceloporus nelsoni COCHRAN, 1923
• Sceloporus oberon SMITH & BROWN, 1941
• Sceloporus occidentalis BAIRD & GIRARD, 1852
• Sceloporus ochoterenae SMITH, 1934
• Sceloporus ornatus BAIRD, 1859
• Sceloporus parvus SMITH, 1934
• Sceloporus poinsettii BAIRD & GIRARD, 1852
• Sceloporus pyrocephalus COPE, 1864
• Sceloporus scalaris WIEGMANN, 1828
• Sceloporus scitulus SMITH, 1942
• Sceloporus serrifer COPE, 1866
• Sceloporus shannonorum LANGEBARTEL, 1959
• Sceloporus siniferus COPE, 1870
• Sceloporus smithi HARTWEG & OLIVER, 1937
• Sceloporus spinosus WIEGMANN, 1828
• Sceloporus squamosus BOCOURT, 1874
• Sceloporus stejnegeri SMITH, 1942
• Sceloporus subniger POGLAYEN & SMITH, 1958
• Sceloporus subpictus LYNCH & SMITH, 1965
• Sceloporus sugillatus SMITH, 1942
• Sceloporus teapensis GÜNTHER, 1890
• Sceloporus torquatus WIEGMANN, 1828
• Sceloporus undulatus (BOSC & DAUDIN, 1801)
• Sceloporus unicanthalis SMITH, 1937
• Sceloporus utiformis COPE, 1864
• Sceloporus vandenburgianus COPE, 1896
• Sceloporus variabilis WIEGMANN, 1834
• Sceloporus zosteromus COPE, 1863
• Scelotes anguinus (BOULENGER, 1887)
• Scelotes arenicola (PETERS, 1854)
• Scelotes bidigittatus FITZSIMONS, 1930
• Scelotes bipes (LINNAEUS, 1766)
• Scelotes caffer (PETERS, 1861)
• Scelotes capensis (SMITH, 1849)
• Scelotes fitzsimonsi BROADLEY, 1994
• Scelotes gronovii (DAUDIN, 1802)
• Scelotes guentheri BOULENGER, 1887
• Scelotes inornatus (SMITH, 1849)
• Scelotes kasneri FITZSIMONS, 1939
• Scelotes limpopoensis FITZSIMONS, 1930
• Scelotes mirus (ROUX, 1907)
• Scelotes montispectus BAUER, WHITING & SADLIER, 2003
• Scelotes mossambicus (PETERS, 1882)
• Scelotes sexlineatus (HARLAN, 1824)
• Scelotes vestigifer BROADLEY, 1994
• Scincella caudaequinae (SMITH, 1951)
• Scincella cherriei (COPE, 1893)
• Scincella gemmingeri (COPE, 1864)
• Scincella lateralis (SAY, 1822)
• Scincella reevesii (GRAY, 1839)
• Scincella silvicola (TAYLOR, 1937)
• Scincella stuarti (SMITH, 1941)
• Scincella wangyuezhaoi JIA, GAO, HUANG, REN, JIANG & LI, 2023
• Scincopus fasciatus (PETERS, 1864)
• Scincus albifasciatus BOULENGER, 1890
• Scincus scincus (LINNAEUS, 1758)
• Scolecophis atrocinctus (SCHLEGEL, 1837)
• Seminatrix pygaea (COPE, 1871)
• Senticolis triaspis (COPE, 1866)
• Sepsina angolensis BOCAGE, 1866
• Sepsina bayonii (BOCAGE, 1866)
• Sepsina copei BOCAGE, 1873
• Sepsina tetradactyla PETERS, 1874
• Siagonodon cupinensis (BAILEY & CARVALHO, 1946)
• Siagonodon septemstriatus (SCHNEIDER, 1801)
• Sibon longifrenis (STEJNEGER, 1909)
• Sibon nebulatus (LINNAEUS, 1758)
• Sibynophis chinensis (GÜNTHER, 1889)
• Sibynophis collaris (GRAY, 1853)
• Siderolamprus atitlanensis (SMITH, 1950)
• Siderolamprus cyanochloris (COPE, 1894)
• Siderolamprus enneagrammus COPE, 1861
• Siderolamprus montanus (SCHMIDT, 1933)
• Siderolamprus rozellae (SMITH, 1942)
• Siebenrockiella crassicollis (GRAY, 1831)
• Siebenrockiella leytensis (TAYLOR, 1920)
• Simophis rhinostoma (SCHLEGEL, 1837)
• Sinomicrurus boettgeri (FRITZE, 1894)
• Sinomicrurus iwasakii (MAKI, 1935)
• Sinomicrurus japonicus (GÜNTHER, 1868)
• Sinomicrurus macclellandi (REINHARDT, 1844)
• 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)
• Sitana ponticeriana CUVIER, 1829
• Smaug barbertonensis (VAN DAM, 1921)
• Smaug breyeri (VAN DAM, 1921)
• Smaug depressus (FITZSIMONS, 1930)
• Smaug giganteus (SMITH, 1844)
• Smaug swazicus BATES & STANLEY, 2020
• Smaug vandami (FITZSIMONS, 1930)
• Smaug warreni (BOULENGER, 1908)
• Sonora aemula (COPE, 1879)
• Sonora cincta (COPE, 1861)
• Sonora fasciata (COPE, 1892)
• Sonora michoacanensis (DUGÈS, 1885)
• Sonora occipitalis (HALLOWELL, 1854)
• Sonora punctatissima (VAN DENBURGH & SLEVIN, 1921)
• Sonora semiannulata BAIRD & GIRARD, 1853
• Sonora straminea (COPE, 1860)
• Sonora taylori (BOULENGER, 1894)
• Sordellina punctata (PETERS, 1880)
• Spalerosophis arenarius (BOULENGER, 1890)
• Spalerosophis atriceps (FISCHER, 1885)
• Spalerosophis diadema (SCHLEGEL, 1837)
• Spalerosophis dolichospilus (WERNER, 1923)
• Spalerosophis microlepis JAN, 1865
• Sphaerodactylus altavelensis NOBLE, 1933
• Sphaerodactylus armstrongi NOBLE, 1933
• Sphaerodactylus cinereus WAGLER, 1830
• Sphaerodactylus copei STEINDACHNER, 1867
• Sphaerodactylus darlingtoni SHREVE, 1968
• Sphaerodactylus difficilis BARBOUR, 1914
• Sphaerodactylus grandisquamis STEJNEGER, 1904
• Sphaerodactylus inaguae NOBLE, 1932
• Sphaerodactylus macrolepis GÜNTHER, 1859
• Sphaerodactylus monensis MEERWARTH, 1901
• Sphaerodactylus samanensis COCHRAN, 1932
• Sphaerodactylus vincenti BOULENGER, 1891
• Sphenomorphus dussumieri (DUMÉRIL & BIBRON, 1839)
• Sphenomorphus indicus (GRAY, 1853)
• Sphenomorphus latifasciatus (MEYER, 1874)
• Sphenomorphus minutus (MEYER, 1874)
• Sphenomorphus sanctus (DUMÉRIL & BIBRON, 1839)
• Sphenomorphus tenuiculus (MOCQUARD, 1890)
• Spilotes pullatus (LINNAEUS, 1758)
• Spilotes sulphureus (WAGLER, 1824)
• Spondylurus fulgidus COPE, 1862
• Spondylurus lineolatus (NOBLE & HASSLER, 1933)
• Spondylurus macleani (MAYER & LAZELL, 2000)
• Spondylurus sloanii (DAUDIN, 1803)
• Spondylurus spilonotus (WIEGMANN, 1837)
• Staurotypus salvinii GRAY, 1864
• Staurotypus triporcatus (WIEGMANN, 1828)
• Stegonotus muelleri DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Stenocercus azureus (MÜLLER, 1880)
• Stenocercus crassicaudatus (TSCHUDI, 1845)
• Stenodactylus mauritanicus GUICHENOT, 1850
• Stenodactylus petrii ANDERSON, 1896
• Stenodactylus stenurus WERNER, 1899
• Stenodactylus sthenodactylus (LICHTENSTEIN, 1823)
• Stenolepis ridleyi BOULENGER, 1887
• Stenorrhina degenhardtii (BERTHOLD, 1846)
• Stenorrhina freminvillei (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Sternotherus carinatus (GRAY, 1856)
• Sternotherus depressus TINKLE & WEBB, 1955
• Sternotherus intermedius SCOTT, GLENN & RISSLER, 2017
• Sternotherus minor (AGASSIZ, 1857)
• Sternotherus odoratus (LATREILLE, 1802)
• Sternotherus peltifer SMITH & GLASS, 1947
• Stigmochelys pardalis (BELL, 1828)
• Storeria dekayi (HOLBROOK, 1839)
• Storeria occipitomaculata (STORER, 1839)
• Storeria storerioides (COPE, 1866)
• Strobilurus torquatus WIEGMANN, 1834
• Subdoluseps herberti (SMITH, 1916)
• Suta flagellum (MCCOY, 1878)
• Suta suta (PETERS, 1863)
• Symphimus leucostomus COPE, 1869
• Sympholis lippiens COPE, 1862
• Synophis bicolor PERACCA, 1896
• Synophis lasallei (NICÉFORO-MARIA, 1950)
• Tachymenis ocellata DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Taeniophallus brevirostris (PETERS, 1863)
• Taeniophallus nebularis SCHARGEL, RIVAS & MYERS, 2005
• Taeniophallus nicagus (COPE, 1868)
• Takydromus amurensis PETERS, 1881
• Takydromus dorsalis STEJNEGER, 1904
• Takydromus formosanus BOULENGER, 1894
• Takydromus intermedius STEJNEGER, 1924
• Takydromus kuehnei VAN DENBURGH, 1909
• Takydromus sauteri VAN DENBURGH, 1909
• Takydromus septentrionalis GÜNTHER, 1864
• Takydromus sexlineatus DAUDIN, 1802
• Takydromus smaragdinus BOULENGER, 1887
• Takydromus tachydromoides (SCHLEGEL, 1838)
• Takydromus wolteri FISCHER, 1885
• Tantalophis discolor (GÜNTHER, 1860)
• Tantilla atriceps (GÜNTHER, 1895)
• Tantilla bocourti (GÜNTHER, 1895)
• Tantilla boipiranga SAWAYA & SAZIMA, 2003
• Tantilla calamarina COPE, 1866
• Tantilla coronata BAIRD & GIRARD, 1853
• Tantilla excelsa MCCRANIE & SMITH, 2017
• Tantilla flavilineata SMITH & BURGER, 1950
• Tantilla gracilis BAIRD & GIRARD, 1853
• Tantilla lydia ANTÚNEZ-FONSECA, CASTRO, ESPAÑA, TOWNSEND & WILSON, 2020
• Tantilla melanocephala (LINNAEUS, 1758)
• Tantilla nigriceps KENNICOTT, 1860
• Tantilla olympia TOWNSEND, WILSON, MEDINA-FLORES & HERRERA-B, 2013
• Tantilla planiceps (BLAINVILLE, 1835)
• Tantilla rubra COPE, 1875
• Tantilla schistosa (BOCOURT, 1883)
• Tantilla semicincta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Tantilla triseriata SMITH & SMITH, 1951
• Tantilla vermiformis (HALLOWELL, 1861)
• Tantilla wilcoxi STEJNEGER, 1902
• Tantilla yaquia SMITH, 1942
• Tantillita brevissima (TAYLOR, 1937)
• Tarentola americana (GRAY, 1831)
• Tarentola angustimentalis STEINDACHNER, 1891
• Tarentola annularis (GEOFFROY SAINT-HILAIRE, 1827)
• Tarentola boehmei JOGER, 1984
• Tarentola chazaliae (MOCQUARD, 1895)
• Tarentola delalandii (DUMÉRIL & BIBRON, 1836)
• Tarentola deserti BOULENGER, 1891
• Tarentola ephippiata O’SHAUGHNESSY, 1875
• Tarentola fascicularis (DAUDIN, 1802)
• Tarentola hoggarensis WERNER, 1937
• Tarentola mauritanica (LINNAEUS, 1758)
• Tarentola mindiae BAHA EL DIN, 1997
• Tarentola neglecta STRAUCH, 1887
• Tarentola panousei PASTEUR, 1959
• Tarentola protogigas JOGER, 1984
• Tarentola senegambiae JOGER, 1984
• Teira dugesii (MILNE-EDWARDS, 1829)
• Teius oculatus (D’ORBIGNY & BIBRON, 1837)
• Teius teyou (DAUDIN, 1802)
• Telescopus beetzi (BARBOUR, 1922)
• Telescopus dhara (FORSKÅL, 1775)
• Telescopus fallax FLEISCHMANN, 1831
• Telescopus finkeldeyi HAACKE, 2013
• Telescopus hoogstraali SCHMIDT & MARX, 1956
• Telescopus nigriceps (AHL, 1924)
• Telescopus obtusus (REUSS, 1834)
• Telescopus rhinopoma (BLANFORD, 1874)
• Telescopus semiannulatus SMITH, 1849
• Telescopus tripolitanus (WERNER, 1909)
• Telescopus variegatus (REINHARDT, 1843)
• Tenuidactylus caspius (EICHWALD, 1831)
• Teretrurus rhodogaster (WALL, 1921)
• 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
• Tetradactylus africanus GRAY, 1838
• Tetradactylus breyeri ROUX, 1907
• Tetradactylus eastwoodae HEWITT & METHUEN, 1913
• Tetradactylus ellenbergeri (ANGEL, 1922)
• Tetradactylus fitzsimonsi HEWITT, 1915
• Tetradactylus seps (LINNAEUS, 1758)
• Tetradactylus tetradactylus (DAUDIN, 1802)
• Thamnodynastes longicaudus FRANCO, FERREIRA, MARQUES & SAZIMA, 2003
• Thamnodynastes pallidus (LINNAEUS, 1758)
• Thamnodynastes sertanejo BAILEY, THOMAS & DA SILVA, 2005
• Thamnophis ahumadai GRÜNWALD, MENDOZA-PORTILLA, GRÜNWALD, MONTAÑO-RUVALCABA, FRANZ-CHÁVEZ, GARCÍA-VÁZQUEZ & REYES-VELASCO, 2024
• Thamnophis atratus KENNICOTT, 1860
• Thamnophis bogerti ROSSMAN & BURBRINK, 2005
• Thamnophis brachystoma (COPE, 1892)
• Thamnophis butleri (COPE, 1889)
• Thamnophis chrysocephalus (COPE, 1885)
• Thamnophis couchii (KENNICOTT, 1859)
• Thamnophis cyrtopsis (KENNICOTT, 1860)
• Thamnophis elegans (BAIRD & GIRARD, 1853)
• Thamnophis eques (REUSS, 1834)
• Thamnophis errans SMITH, 1942
• Thamnophis foxi ROSSMAN & BLANEY, 1968
• Thamnophis godmani (GÜNTHER, 1894)
• Thamnophis marcianus (BAIRD & GIRARD, 1853)
• Thamnophis melanogaster (PETERS, 1864)
• Thamnophis nigronuchalis THOMPSON, 1957
• Thamnophis ordinoides (BAIRD & GIRARD, 1852)
• Thamnophis proximus (SAY, 1823)
• Thamnophis pulchrilatus (COPE, 1885)
• Thamnophis radix (BAIRD & GIRARD, 1853)
• Thamnophis rufipunctatus (COPE, 1875)
• Thamnophis saurita (LINNAEUS, 1766)
• Thamnophis scalaris COPE, 1861
• Thamnophis sirtalis (LINNAEUS, 1758)
• Thamnophis sumichrasti (COPE, 1866)
• Thamnophis validus (KENNICOTT, 1860)
• Thecadactylus rapicauda (HOUTTUYN, 1782)
• Thelotornis capensis SMITH, 1849
• Thelotornis kirtlandii (HALLOWELL, 1844)
• Thelotornis mossambicanus (BOCAGE, 1895)
• Thelotornis usambaricus BROADLEY, 2001
• Thrasops flavigularis (HALLOWELL, 1852)
• Thrasops jacksonii GÜNTHER, 1895
• Tiliqua nigrolutea (QUOY & GAIMARD, 1824)
• Timon kurdistanicus (SUCHOW, 1936)
• Timon lepidus (DAUDIN, 1802)
• Timon pater (LATASTE, 1880)
• Timon tangitanus (BOULENGER, 1889)
• Tomistoma schlegelii (MÜLLER, 1838)
• Tomodon dorsatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Toxicodryas blandingii (HALLOWELL, 1844)
• Toxicodryas pulverulenta (FISCHER, 1856)
• Tracheloptychus madagascariensis PETERS, 1854
• Trachemys adiutrix VANZOLINI, 1995
• Trachemys callirostris (GRAY, 1855)
• Trachemys decorata (BARBOUR & CARR, 1940)
• Trachemys decussata (GRAY, 1831)
• Trachemys gaigeae (HARTWEG, 1939)
• Trachemys grayi (BOCOURT, 1868)
• Trachemys hartwegi (LEGLER, 1990)
• 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)
• Trachylepis acutilabris (PETERS, 1862)
• Trachylepis adamastor CERIACO, 2015
• Trachylepis affinis (GRAY, 1839)
• Trachylepis albilabris (HALLOWELL, 1857)
• Trachylepis albopunctata (BOCAGE, 1867)
• Trachylepis atlantica (SCHMIDT, 1945)
• Trachylepis bayonii (BOCAGE, 1872)
• Trachylepis binotata (BOCAGE, 1867)
• Trachylepis bocagii (BOULENGER, 1887)
• Trachylepis brevicollis (WIEGMANN, 1837)
• Trachylepis buettneri (MATSCHIE, 1893)
• Trachylepis capensis (GRAY, 1831)
• Trachylepis chimbana (BOULENGER, 1887)
• Trachylepis damarana (PETERS, 1870)
• Trachylepis depressa (PETERS, 1854)
• Trachylepis gravenhorstii (DUMÉRIL & BIBRON, 1839)
• Trachylepis hoeschi (MERTENS, 1954)
• Trachylepis homalocephala (WIEGMANN, 1828)
• Trachylepis irregularis (LÖNNBERG, 1922)
• Trachylepis keroanensis (CHABANAUD, 1921)
• Trachylepis lacertiformis (PETERS, 1854)
• Trachylepis laevis (BOULENGER, 1907)
• Trachylepis maculata (GRAY, 1839)
• Trachylepis maculilabris (GRAY, 1845)
• Trachylepis madagascariensis (MOCQUARD, 1908)
• Trachylepis margaritifer (PETERS, 1854)
• Trachylepis megalura (PETERS, 1878)
• Trachylepis mekuana (CHIRIO & INEICH, 2001)
• Trachylepis nganghae INEICH & CHIRIO, 2004
• Trachylepis notabilis (PETERS, 1879)
• Trachylepis occidentalis (PETERS, 1867)
• Trachylepis paucisquamis (HOOGMOED, 1978)
• Trachylepis perrotetii (DUMÉRIL & BIBRON, 1839)
• Trachylepis polytropis (BOULENGER, 1903)
• Trachylepis punctatissima (SMITH, 1849)
• Trachylepis punctulata (BOCAGE, 1872)
• Trachylepis quinquetaeniata (LICHTENSTEIN, 1823)
• Trachylepis raymondlaurenti MARQUES, CERÍACO, BANDEIRA, PAUWELS & BAUER, 2019
• Trachylepis sechellensis (DUMÉRIL & BIBRON, 1839)
• Trachylepis socotrana (PETERS, 1882)
• Trachylepis sparsa (MERTENS, 1954)
• Trachylepis spilogaster (PETERS, 1882)
• Trachylepis striata (PETERS, 1844)
• Trachylepis sulcata (PETERS, 1867)
• Trachylepis thomensis CERÍACO, MARQUES & BAUER, 2016
• Trachylepis varia (PETERS, 1867)
• Trachylepis variegata (PETERS, 1870)
• Trachylepis wahlbergii (PETERS, 1870)
• Trachylepis wrightii (BOULENGER, 1887)
• Trapelus boehmei WAGNER, MELVILLE, WILMS & SCHMITZ, 2011
• Trapelus flavimaculatus RÜPPELL, 1835
• Trapelus mutabilis (MERREM, 1820)
• Trapelus ruderatus (OLIVIER, 1804)
• Trapelus sanguinolentus (PALLAS, 1814)
• Tretanorhinus mocquardi BOCOURT, 1891
• Tretanorhinus nigroluteus COPE, 1861
• Tretioscincus agilis (RUTHVEN, 1916)
• Tretioscincus bifasciatus (DUMÉRIL, 1851)
• Tricheilostoma sundewalli (JAN, 1862)
• Trilepida acutirostris PINTO & CURCIO, 2011
• Trilepida brasiliensis (LAURENT, 1949)
• Trilepida dimidiata (JAN, 1861)
• Trilepida dugandi (DUNN, 1944)
• Trilepida fuliginosa (PASSOS, CARAMASCHI & PINTO, 2006)
• Trilepida jani (PINTO & FERNANDES, 2012)
• Trilepida koppesi (AMARAL, 1955)
• Trilepida macrolepis (PETERS, 1858)
• Trilepida salgueiroi (AMARAL, 1955)
• Trimerodytes aequifasciatus (BARBOUR, 1908)
• Trimerodytes annularis (HALLOWELL, 1856)
• Trimerodytes percarinatus (BOULENGER, 1899)
• Trimerodytes praemaxillaris (ANGEL, 1929)
• Trimetopon simile DUNN, 1930
• 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 affinis (RÜPPELL, 1845)
• Trioceros balebicornutus (TILBURY, 1998)
• Trioceros bitaeniatus (FISCHER, 1884)
• Trioceros camerunensis (MÜLLER, 1909)
• Trioceros chapini (DE WITTE, 1964)
• Trioceros conirostratus (TILBURY, 1998)
• Trioceros cristatus (STUTCHBURY, 1837)
• Trioceros deremensis (MATSCHIE, 1892)
• Trioceros ellioti (GÜNTHER, 1895)
• Trioceros feae (BOULENGER, 1906)
• Trioceros fuelleborni (TORNIER, 1900)
• Trioceros goetzei (TORNIER, 1899)
• Trioceros harennae (LARGEN, 1995)
• Trioceros hoehnelii (STEINDACHNER, 1891)
• Trioceros incornutus (LOVERIDGE, 1932)
• Trioceros ituriensis (SCHMIDT, 1919)
• Trioceros jacksonii (BOULENGER, 1896)
• Trioceros johnstoni (BOULENGER, 1901)
• Trioceros kinetensis (SCHMIDT, 1943)
• Trioceros laterispinis (LOVERIDGE, 1932)
• Trioceros marsabitensis (TILBURY, 1991)
• Trioceros melleri (GRAY, 1865)
• Trioceros montium (BUCHHOLZ, 1874)
• Trioceros narraioca (NECAS, MODRY & SLAPETA, 2003)
• Trioceros ntunte (NECAS, MODRY & SLAPETA, 2005)
• Trioceros oweni (GRAY, 1831)
• Trioceros perreti (KLAVER & BÖHME, 1992)
• Trioceros pfefferi (TORNIER, 1900)
• Trioceros quadricornis (TORNIER, 1899)
• Trioceros rudis (BOULENGER, 1906)
• Trioceros schoutedeni (LAURENT, 1952)
• Trioceros schubotzi (STERNFELD, 1912)
• Trioceros sternfeldi (RAND, 1963)
• Trioceros tempeli (TORNIER, 1899)
• Trioceros werneri (TORNIER, 1899)
• Trioceros wiedersheimi (NIEDEN, 1910)
• Trionyx triunguis (FORSKÅL, 1775)
• Trogonophis wiegmanni KAUP, 1830
• Tropidoclonion lineatum (HALLOWELL, 1856)
• Tropidodipsas fischeri (BOULENGER, 1894)
• Tropidodipsas philippii (JAN, 1863)
• Tropidodipsas tricolor GRÜNWALD, TORIBIO-JIMÉNEZ, MONTAÑO-RUVALCABA, FRANZ-CHÁVEZ, PEÑALOZA-MONTAÑO, BARRERA-NAVA, JONES, RODRIGUEZ, HUGHES, STRICKLAND & REYES-VELASCO, 2021
• Tropidodryas serra (SCHLEGEL, 1837)
• Tropidodryas striaticeps (COPE, 1870)
• Tropidolaemus philippensis (GRAY, 1842)
• Tropidophis battersbyi LAURENT, 1949
• Tropidophis grapiuna CURCIO, SALES-NUNES, SUZART ARGOLO, SKUK & RODRIGUES, 2012
• Tropidophis haetianus (COPE, 1879)
• Tropidophis paucisquamis (MÜLLER, 1901)
• Tropidophis preciosus CURCIO, SALES-NUNES, SUZART ARGOLO, SKUK & RODRIGUES, 2012
• Tropidophis taczanowskyi (STEINDACHNER, 1880)
• Tropidophorus grayi GÜNTHER, 1861
• Tropidophorus misaminius STEJNEGER, 1908
• Tropidophorus mocquardii BOULENGER, 1895
• Tropidophorus partelloi STEJNEGER, 1910
• Tropidosaura cottrelli (HEWITT, 1925)
• Tropidosaura essexi HEWITT, 1927
• Tropidosaura gularis HEWITT, 1927
• Tropidosaura montana (GRAY, 1831)
• Tropidurus cocorobensis RODRIGUES, 1987
• Tropidurus hispidus (SPIX, 1825)
• Tropidurus hygomi REINHARDT & LÜTKEN, 1862
• Tropidurus itambere RODRIGUES, 1987
• Tropidurus semitaeniatus (SPIX, 1825)
• Tropidurus torquatus (WIED-NEUWIED, 1820)
• Tropiocolotes algericus LOVERIDGE, 1947
• Tropiocolotes nattereri STEINDACHNER, 1901
• Tropiocolotes steudneri (PETERS, 1869)
• Tropiocolotes tripolitanus PETERS, 1880
• Tympanocryptis pinguicolla MITCHELL, 1948
• Tympanocryptis tetraporophora LUCAS & FROST, 1895
• Typhlacontias gracilis ROUX, 1907
• Typhlacontias johnsonii ANDERSSON, 1916
• Typhlacontias punctatissimus BOCAGE, 1873
• Typhlacontias rohani ANGEL, 1923
• Typhlacontias rudebecki HAACKE, 1997
• Typhlophis squamosus (SCHLEGEL, 1839)
• Typhlops rostellatus STEJNEGER, 1904
• Typhlosaurus caecus (CUVIER, 1816)
• Typhlosaurus meyeri BOETTGER, 1894
• Typhlosaurus vermis BOULENGER, 1887
• Tytthoscincus atrigularis (STEJNEGER, 1908)
• Tytthoscincus temmincki (DUMÉRIL & BIBRON, 1839)
• Uma cowlesi HEIFETZ, 1941
• Uma exsul SCHMIDT & BOGERT, 1947
• Uma notata BAIRD, 1858
• Uma scoparia COPE, 1894
• Urocotyledon inexpectata (STEJNEGER, 1893)
• Urocotyledon palmata (MOCQUARD, 1902)
• Urocotyledon weileri (MÜLLER, 1909)
• Uromacer catesbyi (SCHLEGEL, 1837)
• Uromastyx acanthinura BELL, 1825
• Uromastyx aegyptia (FORSKÅL, 1775)
• Uromastyx alfredschmidti WILMS & BÖHME, 2001
• Uromastyx dispar HEYDEN, 1827
• Uromastyx geyri MÜLLER, 1922
• Uromastyx nigriventris ROTHSCHILD & HARTERT, 1912
• Uromastyx ocellata LICHTENSTEIN, 1823
• Uromastyx ornata HEYDEN, 1827
• Uropeltis ellioti (GRAY, 1858)
• Uropeltis macrolepis (PETERS, 1862)
• Uropeltis woodmasoni (THEOBALD, 1876)
• Uroplatus guentheri MOCQUARD, 1908
• Uroplatus lineatus (DUMÉRIL & BIBRON, 1836)
• Urosaurus auriculatus (COPE, 1871)
• Urosaurus bicarinatus (DUMÉRIL, 1856)
• Urosaurus clarionensis (TOWNSEND, 1890)
• Urosaurus gadovi (SCHMIDT, 1921)
• Urosaurus graciosus HALLOWELL, 1854
• Urosaurus microscutatus (VAN DENBURGH, 1894)
• Urosaurus nigricauda (COPE, 1864)
• Urosaurus ornatus (BAIRD & GIRARD, 1852)
• Urostrophus vautieri DUMÉRIL & BIBRON, 1837
• Urotheca fulviceps (COPE, 1886)
• Urotheca lateristriga (BERTHOLD, 1859)
• Urotheca multilineata (PETERS, 1863)
• Uta nolascensis VAN DENBURGH & SLEVIN, 1921
• Uta palmeri STEJNEGER, 1890
• Uta stansburiana BAIRD & GIRARD, 1852
• Vanzosaura multiscutata (AMARAL, 1933)
• Vanzosaura rubricauda (BOULENGER, 1902)
• Varanus albigularis (DAUDIN, 1802)
• Varanus caspius (EICHWALD, 1831)
• Varanus exanthematicus (BOSC, 1792)
• Varanus flavescens (HARDWICKE & GRAY, 1827)
• Varanus griseus (DAUDIN, 1803)
• Varanus marmoratus (WIEGMANN, 1834)
• Varanus niloticus (LINNAEUS, 1766)
• Varanus salvator (LAURENTI, 1768)
• Varanus samarensis KOCH, GAULKE & BÖHME, 2010
• Vermicella parscauda DEREZ, ARBUCKLE, RUAN, XIE, HUANG, DIBBEN, SHI, VONK & FRY, 2018
• Vhembelacerta rupicola (FITZSIMONS, 1933)
• Vijayachelys silvatica (HENDERSON, 1912)
• Vipera ammodytes (LINNAEUS, 1758)
• 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 monticola SAINT GIRONS, 1953
• Vipera nikolskii VEDMEDERYA, GRUBANT & RUDAJEWA, 1986
• Vipera orlovi TUNIYEV & OSTROVSKIKH, 2001
• Vipera renardi (CHRISTOPH, 1861)
• Vipera seoanei LATASTE, 1879
• Vipera transcaucasiana BOULENGER, 1913
• Vipera ursinii (BONAPARTE, 1835)
• Virginia striatula (LINNAEUS, 1766)
• Virginia valeriae BAIRD & GIRARD, 1853
• Voeltzkowia mira BOETTGER, 1893
• Walterinnesia aegyptia LATASTE, 1887
• Wetmorena haetiana COCHRAN, 1927
• Wetmorena mylica SCHWARTZ, 1965
• Wetmorena surda SCHWARTZ, 1965
• Xantusia gracilis GRISMER & GALVAN, 1986
• Xantusia henshawi STEJNEGER, 1893
• Xantusia vigilis BAIRD, 1859
• Xenocalamus bicolor GÜNTHER, 1868
• Xenocalamus mechowii PETERS, 1881
• Xenocalamus michelli MÜLLER, 1911
• Xenocalamus sabiensis BROADLEY, 1971
• Xenocalamus transvaalensis METHUEN, 1919
• Xenodon dorbignyi (BIBRON, 1854)
• Xenodon guentheri BOULENGER, 1894
• Xenodon histricus (JAN, 1863)
• Xenodon matogrossensis (SCROCCHI & CRUZ, 1993)
• Xenodon merremii (WAGLER, 1824)
• Xenodon nattereri (STEINDACHNER, 1867)
• Xenodon neuwiedii GÜNTHER, 1863
• Xenodon pulcher (JAN, 1863)
• Xenodon rabdocephalus (WIED-NEUWIED, 1824)
• Xenodon severus (LINNAEUS, 1758)
• Xenodon werneri (EISELT, 1963)
• Xenophidion schaeferi GÜNTHER & MANTHEY, 1995
• Xenopholis scalaris (WUCHERER, 1861)
• Xenopholis undulatus (JENSEN, 1900)
• Xenopholis werdingorum JANSEN, ÁLVAREZ & KÖHLER, 2009
• Xenosaurus rectocollaris SMITH & IVERSON, 1993
• Xenoxybelis argenteus (DAUDIN, 1803)
• Xenoxybelis boulengeri (PROCTER, 1923)
• Xerotyphlops socotranus (BOULENGER, 1889)
• Xerotyphlops vermicularis (MERREM, 1820)
• 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
• Zonosaurus aeneus (GRANDIDIER, 1872)
• Zonosaurus boettgeri STEINDACHNER, 1891
• Zonosaurus haraldmeieri BRYGOO & BÖHME, 1985
• Zonosaurus karsteni (GRANDIDIER, 1869)
• Zonosaurus laticaudatus (GRANDIDIER, 1869)
• Zonosaurus madagascariensis (GRAY, 1831)
• Zonosaurus maximus BOULENGER, 1896
• Zonosaurus ornatus (GRAY, 1831)
• Zonosaurus quadrilineatus (GRANDIDIER, 1867)
• Zonosaurus rufipes (BOETTGER, 1881)
• Zonosaurus trilineatus ANGEL, 1940
• Zootoca vivipara (LICHTENSTEIN, 1823)
• Zygaspis arenicola BROADLEY & BROADLEY, 1997
• Zygaspis nigra BROADLEY & GANS, 1969
• Zygaspis quadrifrons (PETERS, 1862)
• Zygaspis vandami (FITZSIMONS, 1930)

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