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Species found: 1999
- Ablepharus bivittatus (MENETRIES, 1832)
- Ablepharus capitaneus (OUBOTER, 1986)
- Ablepharus chernovi DAREVSKY, 1953
- Ablepharus himalayanus (GÜNTHER, 1864)
- Ablepharus kitaibelii COCTEAU, 1833
- Ablepharus ladacensis (GÜNTHER, 1864)
- Ablepharus mahabharatus (EREMCHENKO, SHAH & PANFILOV, 1998)
- Ablepharus sikimmensis (BLYTH, 1854)
- Ablepharus tragbulensis (ALCOCK, 1898)
- Abronia bogerti TIHEN, 1954
- Abronia chiszari SMITH & SMITH, 1981
- Abronia moreletii (BOCOURT, 1872)
- Abronia ramirezi CAMPBELL, 1994
- Abronia taeniata (WIEGMANN, 1828)
- Acanthocercus atricollis (SMITH, 1849)
- Acanthocercus cyanocephalus (FALK, 1925)
- Acanthocercus margaritae WAGNER, BUTLER, CERÍACO & BAUER, 2021
- Acanthochelys macrocephala (RHODIN, MITTERMEIER & MCMORRIS, 1984)
- Acanthochelys spixii (DUMÉRIL & BIBRON, 1835)
- Acanthodactylus erythrurus (SCHINZ, 1833)
- Acanthosaura hainanensis BOULENGER, 1900
- Acanthosaura lepidogaster (CUVIER, 1829)
- Acontias bicolor (HEWITT, 1929)
- Acontias cregoi (BOULENGER, 1903)
- Acontias meleagris (LINNAEUS, 1758)
- Acrantophis dumerili JAN, 1860
- Acrantophis madagascariensis (DUMÉRIL & BIBRON, 1844)
- Acrochordus granulatus (SCHNEIDER, 1799)
- Actinemys marmorata (BAIRD & GIRARD, 1852)
- Adelphicos quadrivirgatum JAN, 1862
- Adelphostigma occipitalis (JAN, 1863)
- Adolfus africanus (BOULENGER, 1906)
- Adolfus alleni (BARBOUR, 1914)
- Adolfus jacksoni (BOULENGER, 1899)
- Afroedura broadleyi JACOBSEN, KUHN, JACKMAN & BAUER, 2014
- Afroedura langi (FITZSIMONS, 1930)
- Afroedura pienaari JACOBSEN, KUHN, JACKMAN & BAUER, 2014
- Afronatrix anoscopus (COPE, 1861)
- Afrotyphlops bibronii (SMITH, 1846)
- Afrotyphlops gierrai (MOCQUARD, 1897)
- Afrotyphlops lineolatus (JAN, 1864)
- Afrotyphlops punctatus (LEACH, 1819)
- Agama africana (HALLOWELL, 1844)
- Agama agama (LINNAEUS, 1758)
- Agama boensis MONARD, 1940
- Agama boulengeri LATASTE, 1886
- Agama caudospinosa MEEK, 1910
- Agama congica (PETERS, 1877)
- Agama dodomae LOVERIDGE, 1923
- Agama doriae BOULENGER, 1885
- Agama kirkii BOULENGER, 1885
- Agama lionotus BOULENGER, 1896
- Agama mossambica PETERS, 1854
- Agama rueppelli VAILLANT, 1882
- Agama sankaranica CHABANAUD, 1918
- Agamura cruralis BLANFORD, 1874
- Agamura persica (DUMÉRIL, 1856)
- Agkistrodon bilineatus GÜNTHER, 1863
- Agkistrodon contortrix (LINNAEUS, 1766)
- Agkistrodon howardgloydi CONANT, 1984
- Agkistrodon laticinctus GLOYD & CONANT, 1934
- Agkistrodon russeolus GLOYD, 1972
- Agkistrodon taylori BURGER & ROBERTSON, 1951
- Ahaetulla nasuta (LACÉPÈDE, 1789)
- Ahaetulla prasina (BOIE, 1827)
- Algyroides fitzingeri (WIEGMANN, 1834)
- Algyroides hidalgoi BOSCA, 1916
- Algyroides nigropunctatus (DUMÉRIL & BIBRON, 1839)
- Alinea lanceolata (COPE, 1863)
- Alopecion guttatum (SMITH, 1843)
- Alopoglossus amazonius RUTHVEN, 1924
- Alopoglossus angulatus (LINNAEUS, 1758)
- Alopoglossus brevifrontalis (BOULENGER, 1912)
- Alopoglossus carinicaudatus (COPE, 1876)
- Alopoglossus myersi (HARRIS, 1994)
- Alopoglossus plicatus TAYLOR, 1949
- Alsophylax laevis NIKOLSKY, 1907
- Alsophylax loricatus STRAUCH, 1887
- Alsophylax pipiens (PALLAS, 1827)
- Alsophylax szczerbaki GOLUBEV & SATTAROV, 1979
- Alsophylax tadjikiensis GOLUBEV, 1979
- Altiphylax levitoni (GOLUBEV & SZCZERBAK, 1979)
- Altiphylax mintoni (GOLUBEV & SZCZERBAK, 1981)
- Altiphylax stoliczkai (STEINDACHNER, 1867)
- Altiphylax tokobajevi (EREMCHENKO & SZCZERBAK, 1984)
- Amblyodipsas microphthalma (BIANCONI, 1852)
- Amblyodipsas polylepis (BOCAGE, 1873)
- Amblyodipsas unicolor (REINHARDT, 1843)
- Amblyrhynchus cristatus BELL, 1825
- Ameiva ameiva (LINNAEUS, 1758)
- Ameiva atrigularis GARMAN, 1887
- Ameivula ocellifera (SPIX, 1825)
- Amerotyphlops amoipira (RODRIGUES & JUNCÁ, 2002)
- Amerotyphlops brongersmianus (VANZOLINI, 1976)
- Amerotyphlops yonenagae (RODRIGUES, 1991)
- Amphiesmoides ornaticeps (WERNER, 1924)
- Amphiglossus astrolabi DUMÉRIL & BIBRON, 1839
- Amphisbaena alba LINNAEUS, 1758
- Amphisbaena darwinii DUMÉRIL & BIBRON, 1839
- Amphisbaena fuliginosa LINNAEUS, 1758
- Amphisbaena pretrei DUMÉRIL & BIBRON, 1839
- Amphisbaena vermicularis WAGLER, 1824
- Amyda cartilaginea (BODDAERT, 1770)
- Anatololacerta anatolica (WERNER, 1900)
- Anatololacerta danfordi (GÜNTHER, 1876)
- Anatololacerta finikensis (EISELT & SCHMIDTLER, 1987)
- Anatololacerta ibrahimi (EISELT & SCHMIDTLER, 1987)
- Anatololacerta pelasgiana (MERTENS, 1959)
- Anguis cephallonica WERNER, 1894
- Anguis colchica (NORDMANN, 1840)
- Anguis fragilis LINNAEUS, 1758
- Anguis graeca BEDRIAGA, 1881
- Anguis veronensis POLLINI, 1818
- Anilius scytale (LINNAEUS, 1758)
- Anolis altae DUNN, 1930
- Anolis apletolepis KÖHLER & HEDGES, 2016
- Anolis auratus DAUDIN, 1802
- Anolis beckeri BOULENGER, 1881
- Anolis bicaorum (KÖHLER, 1996)
- Anolis biporcatus (WIEGMANN, 1834)
- Anolis brasiliensis VANZOLINI & WILLIAMS, 1970
- Anolis capito PETERS, 1863
- Anolis carolinensis VOIGT, 1832
- Anolis carpenteri ECHELLE, ECHELLE & FITCH, 1971
- Anolis chlorodius KÖHLER & HEDGES, 2016
- Anolis cristatellus DUMÉRIL & BIBRON, 1837
- Anolis cristifer SMITH, 1968
- Anolis cupreus HALLOWELL, 1860
- Anolis cuprinus SMITH, 1964
- Anolis cyanostictus MERTENS, 1939
- Anolis demissus SCHWARTZ, 1969
- Anolis dollfusianus BOCOURT, 1873
- Anolis duellmani FITCH & HENDERSON, 1973
- Anolis eladioi KÖHLER & HEDGES, 2016
- Anolis fungosus MYERS, 1971
- Anolis fuscoauratus D’ORBIGNY, 1837
- Anolis gonavensis KÖHLER & HEDGES, 2016
- Anolis humilis PETERS, 1863
- Anolis kemptoni DUNN, 1940
- Anolis kreutzi (MCCRANIE, KÖHLER & WILSON, 2000)
- Anolis laevis (COPE, 1875)
- Anolis laeviventris (WIEGMANN, 1834)
- Anolis lemurinus COPE, 1861
- Anolis leucodera KÖHLER & HEDGES, 2016
- Anolis limifrons COPE, 1863
- Anolis lineatopus GRAY, 1840
- Anolis loveridgei SCHMIDT, 1936
- Anolis milleri SMITH, 1950
- Anolis naufragus (CAMPBELL, HILLIS & LAMAR, 1989)
- Anolis oligaspis COPE, 1894
- Anolis oxylophus COPE, 1875
- Anolis pachypus COPE, 1875
- Anolis parvauritus WILLIAMS, 1966
- Anolis parvicirculatus ÁLVAREZ DEL TORO & SMITH, 1956
- Anolis pecuarius SCHWARTZ, 1969
- Anolis pentaprion COPE, 1863
- Anolis petersii BOCOURT, 1873
- Anolis peynadoi MERTENS, 1939
- Anolis phyllorhinus MYERS & CARVALHO, 1945
- Anolis polylepis PETERS, 1874
- Anolis prasinorius KÖHLER & HEDGES, 2016
- Anolis proboscis PETERS & ORCES, 1956
- Anolis punctatus DAUDIN, 1802
- Anolis quaggulus COPE, 1885
- Anolis rodriguezii BOCOURT, 1873
- Anolis rubiginosus BOCOURT, 1873
- Anolis salvini BOULENGER, 1885
- Anolis sericeus HALLOWELL, 1856
- Anolis serranoi (KÖHLER, 1999)
- Anolis sulcifrons COPE, 1899
- Anolis tigrinus PETERS, 1863
- Anolis trachyderma COPE, 1875
- Anolis tropidolepis BOULENGER, 1885
- Anolis tropidonotus PETERS, 1863
- Anolis uniformis COPE, 1885
- Anolis utilensis (KÖHLER, 1996)
- Anolis viridius KÖHLER & HEDGES, 2016
- Anolis vittigerus COPE, 1863
- Anolis wellbornae AHL, 1940
- Anolis wermuthi (KÖHLER & OBERMEIER, 1998)
- Anolis yoroensis (MCCRANIE, NICHOLSON & KÖHLER, 2001)
- Anolis zeus (KÖHLER & MCCRANIE, 2001)
- Anomalepis mexicana JAN, 1860
- Aparallactus capensis SMITH, 1849
- Aparallactus lunulatus (PETERS, 1854)
- Aparallactus modestus (GÜNTHER, 1859)
- Apathya cappadocica (WERNER, 1902)
- Apostolepis arenaria RODRIGUES, 1993
- Apostolepis assimilis (REINHARDT, 1861)
- Apostolepis cearensis GOMES, 1915
- Apostolepis dimidiata (JAN, 1862)
- Apostolepis dorbignyi (SCHLEGEL, 1837)
- Apostolepis flavotorquata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Apostolepis gaboi RODRIGUES, 1993
- Apostolepis multicincta HARVEY, 1999
- Apostolepis nigrolineata (PETERS, 1869)
- Apostolepis pymi BOULENGER, 1903
- Apostolepis quinquelineata BOULENGER, 1896
- Archelaphe bella (STANLEY, 1917)
- Aristelliger expectatus COCHRAN, 1933
- Arthrosaura reticulata (O'SHAUGHNESSY, 1881)
- Asaccus gallagheri (ARNOLD, 1972)
- Aspidoscelis cozumela (GADOW, 1906)
- Aspidoscelis deppii (WIEGMANN, 1834)
- Aspidoscelis sackii (WIEGMANN, 1834)
- Aspidura brachyorrhos (BOIE, 1827)
- Aspronema cochabambae (DUNN, 1935)
- Asthenodipsas stuebingi QUAH, GRISMER, LIM, ANUAR & IMBUN, 2019
- Astrochelys radiata (SHAW, 1802)
- Astrochelys yniphora (VAILLANT, 1885)
- Ateuchosaurus chinensis GRAY, 1845
- Atheris chlorechis (PEL, 1852)
- Atlantolacerta andreanskyi (WERNER, 1929)
- Atractaspis andersonii BOULENGER, 1905
- Atractaspis bibronii SMITH, 1849
- Atractaspis corpulenta (HALLOWELL, 1854)
- Atractaspis microlepidota GÜNTHER, 1866
- Atractus arangoi PRADO, 1940
- Atractus badius (BOIE, 1827)
- Atractus biseriatus PRADO, 1941
- Atractus chthonius PASSOS & LYNCH, 2010
- Atractus dapsilis MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
- Atractus elaps (GÜNTHER, 1858)
- Atractus favae (DE FILIPPI, 1840)
- Atractus flammigerus (BOIE, 1827)
- Atractus fuliginosus (HALLOWELL, 1845)
- Atractus guentheri (WUCHERER, 1861)
- Atractus macondo PASSOS, LYNCH & FERNANDES, 2009
- Atractus maculatus (GÜNTHER, 1858)
- Atractus major BOULENGER, 1894
- Atractus occipitoalbus (JAN, 1862)
- Atractus poeppigi (JAN, 1862)
- Atractus potschi FERNANDES, 1995
- Atractus reticulatus (BOULENGER, 1885)
- Atractus schach (BOIE, 1827)
- Atractus snethlageae CUNHA & NASCIMENTO, 1983
- Atractus torquatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Atractus touzeti SCHARGEL, LAMAR, PASSOS, VALENCIA, CISNEROS-HEREDIA & CAMPBELL, 2013
- Atractus ukupacha MELO-SAMPAIO, PASSOS, PRUDENTE, VENEGAS & TORRES-CARVAJAL, 2021
- Atractus zebrinus (JAN, 1862)
- Atropoides picadoi (DUNN, 1939)
- Bachia flavescens (BONNATERRE, 1789)
- Basiliscus basiliscus (LINNAEUS, 1758)
- Basiliscus plumifrons COPE, 1875
- Batagur baska (GRAY, 1831)
- Bitis arietans (MERREM, 1820)
- Bitis gabonica (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Bitis nasicornis (SHAW & NODDER, 1792)
- Blaesodactylus antongilensis (BÖHME & MEIER, 1980)
- Blaesodactylus sakalava (GRANDIDIER, 1867)
- Blanus aporus WERNER, 1898
- Blanus cinereus (VANDELLI, 1797)
- Blanus strauchi (BEDRIAGA, 1884)
- Boa constrictor LINNAEUS, 1758
- Boa imperator DAUDIN, 1803
- Boaedon capensis DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Boaedon fuliginosus (BOIE, 1827)
- Boaedon olivaceus (DUMÉRIL, 1856)
- Boaedon subtaeniatus LAURENT, 1954
- Boaedon virgatus (HALLOWELL, 1854)
- Boiga cyanea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Boiga dendrophila (BOIE, 1827)
- Boiga irregularis (BECHSTEIN, 1802)
- Boiga kraepelini STEJNEGER, 1902
- Boiga melanota (BOULENGER, 1896)
- Boiruna maculata (BOULENGER, 1896)
- Boiruna sertaneja ZAHER, 1996
- Bothriechis aurifer (SALVIN, 1860)
- Bothriechis bicolor (BOCOURT, 1868)
- Bothriechis lateralis PETERS, 1862
- Bothriechis marchi (BARBOUR & LOVERIDGE, 1929)
- Bothriechis nigroadspersus (STEINDACHNER, 1870)
- Bothriechis nigroviridis PETERS, 1859
- Bothriechis nitidus (GÜNTHER, 1859)
- Bothriechis nubestris DOAN, MASON, CASTOE, SASA & PARKINSON, 2016
- Bothriechis rowleyi (BOGERT, 1968)
- Bothriechis schlegelii (BERTHOLD, 1846)
- Bothriechis torvus (POSADA-ARANGO, 1889)
- Bothrocophias campbelli (FREIRE-LASCANO, 1991)
- Bothrocophias colombianus (RENDAHL & VESTERGREN, 1940)
- Bothrocophias hyoprora (AMARAL, 1935)
- Bothrocophias lojanus (PARKER, 1930)
- Bothrocophias microphthalmus (COPE, 1875)
- Bothrocophias myersi GUTBERLET & CAMPBELL, 2001
- Bothrocophias tulitoi ANGARITA-SIERRA, CUBIDES-CUBILLOS & HURTADO-GÓMEZ, 2022
- Bothrolycus ater GÜNTHER, 1874
- Bothrophthalmus brunneus GÜNTHER, 1863
- Bothrophthalmus lineatus (PETERS, 1863)
- Bothrops alternatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Bothrops ammodytoides LEYBOLD, 1873
- Bothrops asper (GARMAN, 1883)
- Bothrops atrox (LINNAEUS, 1758)
- Bothrops bilineatus (WIED-NEUWIED, 1821)
- Bothrops brazili HOGE, 1954
- Bothrops caribbaeus (GARMAN, 1887)
- Bothrops chloromelas (BOULENGER, 1912)
- Bothrops cotiara (GOMES, 1913)
- Bothrops diporus COPE, 1862
- Bothrops erythromelas (AMARAL, 1923)
- Bothrops fonsecai HOGE & BELLUOMINI, 1959
- Bothrops insularis (AMARAL, 1922)
- Bothrops itapetiningae (BOULENGER, 1907)
- Bothrops jararaca (WIED-NEUWIED, 1824)
- Bothrops jararacussu LACERDA, 1884
- Bothrops lanceolatus (BONNATERRE, 1790)
- Bothrops leucurus WAGLER, 1824
- Bothrops lutzi (MIRANDA-RIBEIRO, 1915)
- Bothrops marajoensis HOGE, 1966
- Bothrops mattogrossensis AMARAL, 1925
- Bothrops monsignifer TIMMS, CHAPARRO, VENEGAS, SALAZAR-VALENZUELA, SCROCCHI, CUEVAS, LEYNAUD & CARRASCO, 2019
- Bothrops moojeni HOGE, 1966
- Bothrops neuwiedi WAGLER, 1824
- Bothrops oligobalius DAL VECHIO, PRATES, GRAZZIOTIN, GRABOSKI & RODRIGUES, 2021
- Bothrops oligolepis (WERNER, 1901)
- Bothrops osbornei FREIRE-LASCANO, 1991
- Bothrops pauloensis AMARAL, 1925
- Bothrops pictus (TSCHUDI, 1845)
- Bothrops pirajai AMARAL, 1923
- Bothrops pubescens (COPE, 1870)
- Bothrops pulcher (PETERS, 1862)
- Bothrops punctatus (GARCIA, 1896)
- Bothrops sanctaecrucis HOGE, 1966
- Bothrops taeniatus WAGLER, 1824
- Bothrops venezuelensis SANDNER-MONTILLA, 1952
- Brachylophus fasciatus (BRONGNIART, 1800)
- Brachyorrhos albus (LINNAEUS, 1758)
- Bradypodion pumilum (GMELIN, 1789)
- Bradypodion transvaalense (FITZSIMONS, 1930)
- Brasiliscincus heathi (SCHMIDT & INGER, 1951)
- Bronchocela celebensis GRAY, 1845
- Bronchocela cristatella (KUHL, 1820)
- Brookesia antakarana RAXWORTHY & NUSSBAUM, 1995
- Brookesia brygooi RAXWORTHY & NUSSBAUM, 1995
- Brookesia stumpffi BOETTGER, 1894
- Brookesia superciliaris (KUHL, 1820)
- Brookesia tuberculata MOCQUARD, 1894
- Bungarus fasciatus (SCHNEIDER, 1801)
- Bungarus flaviceps REINHARDT, 1843
- Bungarus niger WALL, 1908
- Bunopus crassicauda NIKOLSKY, 1907
- Bunopus orientalis (BLANFORD, 1876)
- Bunopus tuberculatus BLANFORD, 1874
- Caaeteboia amarali (WETTSTEIN, 1930)
- Cachryx defensor COPE, 1866
- Cadea blanoides (STEJNEGER, 1916)
- Caiman crocodilus (LINNAEUS, 1758)
- Caiman latirostris (DAUDIN, 1801)
- Calabaria reinhardtii (SCHLEGEL, 1851)
- Calamaria albiventer (GRAY, 1834)
- Calamaria apraeocularis SMITH, 1927
- Calamaria berezowskii GÜNTHER, 1896
- Calamaria bicolor DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria bitorques PETERS, 1872
- Calamaria borneensis BLEEKER, 1860
- Calamaria concolor ORLOV, TRUONG, TAO, ANANJEVA & CUC, 2010
- Calamaria dominici ZIEGLER, TRAN & NGUYEN, 2019
- Calamaria everetti BOULENGER, 1893
- Calamaria gervaisii DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria hilleniusi INGER & MARX, 1965
- Calamaria hunanensis ZHANG, ZHU, WEI, SHU, LI, VOGEL, NIU, DING, CHEN, GUO & SHI, 2026
- Calamaria javanica BOULENGER, 1891
- Calamaria lateralis MOCQUARD, 1890
- Calamaria linnaei BOIE, 1827
- Calamaria lovii BOULENGER, 1887
- Calamaria lumbricoidea BOIE, 1827
- Calamaria lumholtzi ANDERSSON, 1923
- Calamaria margaritophora BLEEKER, 1860
- Calamaria melanota JAN, 1862
- Calamaria modesta DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria muelleri BOULENGER, 1896
- Calamaria nebulosa LEE, 2021
- Calamaria pavimentata DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria pfefferi STEJNEGER, 1901
- Calamaria rebentischi BLEEKER, 1860
- Calamaria schlegeli DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria septentrionalis BOULENGER, 1890
- Calamaria suluensis TAYLOR, 1922
- Calamaria virgulata BOIE, 1827
- Calliophis bivirgatus (BOIE, 1827)
- Calliophis intestinalis (LAURENTI, 1768)
- Calliophis nigrotaeniatus PETERS, 1863
- Callopistes flavipunctatus (DUMÉRIL & BIBRON, 1839)
- Calotes versicolor (DAUDIN, 1802)
- Calumma brevicorne (GÜNTHER, 1879)
- Calumma cucullatum (GRAY, 1831)
- Calumma gallus (GÜNTHER, 1877)
- Calumma marojezense (BRYGOO, BLANC & DOMERGUE, 1970)
- Calumma nasutum (DUMÉRIL & BIBRON, 1836)
- Calumma parsonii (CUVIER, 1825)
- Calumma pinocchio GLAW, AGNE, PRÖTZEL, GEHRING, KÖHLER, PREICK, RATSOAVINA, STRAUBE, WOLLENBERG-VALERO, CROTTINI & VENCES, 2025
- Calumma tarzan GEHRING, PABIJAN, RATSOAVINA, KÖHLER, VENCES & GLAW, 2010
- Caraiba andreae (REINHARDT & LÜTKEN, 1862)
- Caretta caretta (LINNAEUS, 1758)
- Caribicus anelpistus (SCHWARTZ, GRAHAM, & DUVAL, 1979)
- Caribicus warreni (SCHWARTZ, 1970)
- Carphophis amoenus (SAY, 1825)
- Causus defilippii (JAN, 1863)
- Causus lichtensteinii (JAN, 1859)
- Causus maculatus (HALLOWELL, 1842)
- Celestus striatus GRAY, 1839
- Centrochelys sulcata (MILLER, 1779)
- Cerastes cerastes (LINNAEUS, 1758)
- Cerastes gasperettii LEVITON & ANDERSON, 1967
- Cerberus rynchops (SCHNEIDER, 1799)
- Cerberus schneiderii (SCHLEGEL, 1837)
- Cercophis auratus (SCHLEGEL, 1837)
- Cercosaura argulus PETERS, 1862
- Cercosaura eigenmanni (GRIFFIN, 1917)
- Cercosaura hypnoides DOAN & LAMAR, 2012
- Cercosaura manicata O'SHAUGHNESSY, 1881
- Cercosaura ocellata WAGLER, 1830
- Cercosaura olivacea (GRAY, 1845)
- Cercosaura parkeri (RUIBAL, 1952)
- Cercosaura phelpsorum (LANCINI, 1968)
- Cercosaura quadrilineata BOETTGER, 1876
- Cercosaura schreibersii WIEGMANN, 1834
- Cercosaura steyeri (TEDESCO, 1998)
- Cerrophidion godmani (GÜNTHER, 1863)
- Cerrophidion petlalcalensis LÓPEZ-LUNA, VOGT & TORRE-LORANCA, 1999
- Cerrophidion tzotzilorum (CAMPBELL, 1985)
- Chalarodon madagascariensis (PETERS, 1854)
- Chalcides bedriagai (BOSCA, 1880)
- Chalcides chalcides (LINNAEUS, 1758)
- Chalcides mertensi KLAUSEWITZ, 1954
- Chalcides ocellatus (FORSKÅL, 1775)
- Chalcides striatus (CUVIER, 1829)
- Chamaeleo africanus LAURENTI, 1768
- Chamaeleo calyptratus DUMÉRIL & DUMÉRIL, 1851
- Chamaeleo chamaeleon (LINNAEUS, 1758)
- Chamaeleo dilepis LEACH, 1819
- Chamaeleo gracilis HALLOWELL, 1844
- Chamaeleo senegalensis DAUDIN, 1802
- Chatogekko amazonicus (ANDERSSON, 1918)
- Chelodina longicollis (SHAW, 1794)
- Chelodina parkeri RHODIN & MITTERMEIER, 1976
- Chelonia mydas (LINNAEUS, 1758)
- Chelonoidis carbonarius (SPIX, 1824)
- Chelonoidis denticulatus (LINNAEUS, 1766)
- Chelonoidis niger (QUOY & GAIMARD, 1824)
- Chelus fimbriata (SCHNEIDER, 1783)
- Chelydra serpentina (LINNAEUS, 1758)
- Chersodromus liebmanni REINHARDT, 1861
- Chilabothrus angulifer (COCTEAU & BIBRON, 1840)
- Chioninia coctei (DUMÉRIL & BIBRON, 1839)
- Chirindia swynnertoni BOULENGER, 1907
- Chironius bicarinatus (WIED-NEUWIED, 1820)
- Chironius carinatus (LINNAEUS, 1758)
- Chironius cochranae HOGE & ROMANO, 1969
- Chironius exoletus (LINNAEUS, 1758)
- Chironius flavolineatus (BOETTGER, 1885)
- Chironius foveatus BAILEY, 1955
- Chironius fuscus (LINNAEUS, 1758)
- Chironius laevicollis (WIED-NEUWIED, 1824)
- Chironius multiventris SCHMIDT & WALKER, 1943
- Chironius quadricarinatus (BOIE, 1827)
- Chitra indica (GRAY, 1831)
- Chitra vandijki MCCORD & PRITCHARD, 2003
- Chlorosoma viridissimum (LINNAEUS, 1758)
- Chondrodactylus angulifer PETERS, 1870
- Chondrodactylus turneri (GRAY, 1864)
- Chrysopelea ornata (SHAW, 1802)
- Chrysopelea paradisi BOIE, 1827
- Clelia clelia (DAUDIN, 1803)
- Clelia plumbea (WIED-NEUWIED, 1820)
- Clemmys guttata (SCHNEIDER, 1792)
- Cnemaspis selamatkanmerapoh GRISMER, WOOD, MOHAMED, CHAN, HEINZ, SUMARLI, CHAN & LOREDO, 2013
- Cnemidophorus lemniscatus (LINNAEUS, 1758)
- Cnemidophorus senectus UGUETO, HARVEY & RIVAS, 2010
- Coelognathus erythrurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Coelognathus helena (DAUDIN, 1803)
- Coelognathus radiatus (BOIE, 1827)
- Coleodactylus meridionalis BOULENGER, 1888
- Coleonyx brevis STEJNEGER, 1893
- Coleonyx gypsicolus GRISMER & OTTLEY, 1988
- Colobodactylus taunayi AMARAL, 1933
- Colobosaura modesta (REINHARDT & LÜTKEN, 1862)
- Colubroelaps nguyenvansangi ORLOV, KHARIN, ANANJEVA, NGUYEN & NGUYEN, 2009
- Compsophis vinckei (DOMERGUE, 1988)
- Coniophanes piceivittis COPE, 1870
- Coniophanes schmidti BAILEY, 1937
- Conophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Conophis vittatus PETERS, 1860
- Conopsis biserialis (TAYLOR & SMITH, 1942)
- Conopsis lineata (KENNICOTT, 1859)
- Conopsis nasus (GÜNTHER, 1858)
- Contia tenuis (BAIRD & GIRARD, 1852)
- Copeoglossum arajara (REBOUCAS-SPIEKER, 1981)
- Copeoglossum nigropunctatum (SPIX, 1825)
- Copeoglossum redondae HEDGES & CONN, 2012
- Cophoscincopus durus (COPE, 1862)
- Cophotis ceylanica PETERS, 1861
- Corallus annulatus (COPE, 1875)
- Corallus blombergi (RENDAHL & VESTERGREN, 1940)
- Corallus caninus (LINNAEUS, 1758)
- Corallus cropanii (HOGE, 1953)
- Corallus hortulana (LINNAEUS, 1758)
- Coronelaps lepidus (REINHARDT, 1861)
- Coronella austriaca LAURENTI, 1768
- Coronella girondica (DAUDIN, 1803)
- Correlophus ciliatus GUICHENOT, 1866
- Correlophus sarasinorum (ROUX, 1913)
- Corucia zebrata GRAY, 1855
- Corytophanes cristatus (MERREM, 1820)
- Craspedocephalus gramineus (SHAW, 1802)
- Crocodylus acutus CUVIER, 1807
- Crocodylus mindorensis SCHMIDT, 1935
- Crocodylus niloticus LAURENTI, 1768
- Crocodylus palustris LESSON, 1831
- Crocodylus porosus SCHNEIDER, 1801
- Crossobamon eversmanni (WIEGMANN, 1834)
- Crotalus atrox BAIRD & GIRARD, 1853
- Crotalus basiliscus (COPE, 1864)
- Crotalus brunneus HARRIS & SIMMONS, 1978
- Crotalus catalinensis CLIFF, 1954
- Crotalus cerastes HALLOWELL, 1854
- Crotalus cerberus (COUES, 1875)
- Crotalus concolor WOODBURY, 1929
- Crotalus culminatus KLAUBER, 1952
- Crotalus durissus LINNAEUS, 1758
- Crotalus enyo (COPE, 1861)
- Crotalus exiguus CAMPBELL & ARMSTRONG, 1979
- Crotalus helleri MEEK, 1905
- Crotalus horridus LINNAEUS, 1758
- Crotalus intermedius TROSCHEL, 1865
- Crotalus lannomi TANNER, 1966
- Crotalus lepidus (KENNICOTT, 1861)
- Crotalus lutosus KLAUBER, 1930
- Crotalus mictlantecuhtli CARBAJAL-MÁRQUEZ, CEDEÑO-VÁZQUEZ, MARTÍNEZ-ARCE, NERI-CASTRO & MACHKOUR-M’RABET, 2020
- Crotalus mitchellii (COPE, 1861)
- Crotalus molossus BAIRD & GIRARD, 1853
- Crotalus morulus KLAUBER, 1952
- Crotalus oreganus HOLBROOK, 1840
- Crotalus polystictus (COPE, 1865)
- Crotalus pricei VAN DENBURGH, 1895
- Crotalus pusillus KLAUBER, 1952
- Crotalus ravus COPE, 1865
- Crotalus ruber COPE, 1892
- Crotalus scutulatus (KENNICOTT, 1861)
- Crotalus simus LATREILLE, 1801
- Crotalus stejnegeri DUNN, 1919
- Crotalus tigris KENNICOTT, 1859
- Crotalus tlaloci BRYSON, LINKEM, DORCAS, LATHROP, JONES, ALVARADO-DÍAZ, GRÜNWALD & MURPHY, 2014
- Crotalus totonacus GLOYD & KAUFFELD, 1940
- Crotalus transversus TAYLOR, 1944
- Crotalus triseriatus (WAGLER, 1830)
- Crotalus tzabcan KLAUBER, 1952
- Crotalus unicolor LIDTH DE JEUDE, 1887
- Crotalus vegrandis KLAUBER, 1941
- Crotalus viridis (RAFINESQUE, 1818)
- Crotalus willardi MEEK, 1905
- Crotaphopeltis hotamboeia (LAURENTI, 1768)
- Crotaphopeltis tornieri (WERNER, 1908)
- Crotaphytus collaris (SAY, 1822)
- Cryptoblepharus boutonii (DES JARDIN, 1831)
- Cryptoblepharus poecilopleurus (WIEGMANN, 1836)
- Ctenophorus nuchalis (DE VIS, 1884)
- Ctenosaura bakeri STEJNEGER, 1901
- Ctenosaura flavidorsalis KÖHLER & KLEMMER, 1994
- Ctenosaura oedirhina DE QUEIROZ, 1987
- Ctenosaura similis (GRAY, 1831)
- Cubophis cantherigerus (BIBRON, 1843)
- Cuora amboinensis (DAUDIN, 1801)
- Cuora aurocapitata LUO & ZONG, 1988
- Cuora bourreti OBST & REIMANN, 1994
- Cuora couro (SCHWEIGGER, 1812)
- Cuora flavomarginata (GRAY, 1863)
- Cuora galbinifrons BOURRET, 1939
- Cuora lineata (MCCORD & PHILIPPEN, 1998)
- 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 zhoui ZHAO, ZHOU & YE, 1990
- Cyclemys atripons IVERSON & MCCORD, 1997
- Cyclemys dentata (GRAY, 1831)
- Cyclemys oldhamii GRAY, 1863
- Cyclemys pulchristriata FRITZ, GAULKE & LEHR, 1997
- Cyclocorus nuchalis TAYLOR, 1923
- Cycloderma aubryi (DUMÉRIL, 1856)
- Cycloderma frenatum PETERS, 1854
- Cyclodomorphus casuarinae (DUMÉRIL & BIBRON, 1839)
- Cyclodomorphus gerrardii (GRAY, 1845)
- Cylindrophis melanotus WAGLER, 1828
- Cylindrophis ruffus (LAURENTI, 1768)
- Cyrtodactylus agamensis (BLEEKER, 1860)
- Cyrtodactylus annulatus (TAYLOR, 1915)
- Cyrtodactylus biordinis BROWN & MCCOY, 1980
- Cyrtodactylus capreoloides RÖSLER, RICHARDS & GÜNTHER, 2007
- Cyrtodactylus fasciolatus (BLYTH, 1861)
- Cyrtodactylus hidupselamanya GRISMER, WOOD, ANUAR, GRISMER, QUAH, MURDOCH, MUIN, DAVIS, AUILAR, KLABACKA, COBOS, AOWPHOL & SITES, 2016
- Cyrtodactylus jellesmae (BOULENGER, 1897)
- Cyrtodactylus khasiensis (JERDON, 1870)
- Cyrtodactylus manos OLIVER, KARKKAINEN, RÖSLER & RICHARDS, 2019
- Cyrtodactylus marmoratus GRAY, 1831
- Cyrtodactylus martinstolli (DAREVSKY, HELFENBERGER, ORLOV & SHAH, 1998)
- Cyrtodactylus mimikanus (BOULENGER, 1914)
- Cyrtodactylus murua KRAUS & ALLISON, 2006
- Cyrtodactylus nepalensis (SCHLEICH & KÄSTLE, 1998)
- Cyrtodactylus novaeguineae (SCHLEGEL, 1837)
- Cyrtodactylus papuensis (BRONGERSMA, 1934)
- Cyrtodactylus philippinicus (STEINDACHNER, 1867)
- Cyrtodactylus salomonensis RÖSLER, RICHARDS & GÜNTHER, 2007
- Cyrtodactylus sermowaiensis (DE ROOIJ, 1915)
- Cyrtodactylus serratus KRAUS, 2007
- Cyrtodactylus spinosus LINKEM, MCGUIRE, HAYDEN, SETIADI, BICKFORD & BROWN, 2008
- Cyrtodactylus tibetanus (BOULENGER, 1905)
- Cyrtodactylus tuberculatus (LUCAS & FROST, 1900)
- Cyrtodactylus wallacei HAYDEN, BROWN, GILLESPIE, SETIADI, LINKEM, ISKANDAR, UMILAELA, BICKFORD, RIYANTO, MUMPUNI & MCGUIRE, 2008
- Cyrtopodion agamuroides (NIKOLSKY, 1900)
- Cyrtopodion fortmunroi (KHAN, 1993)
- Cyrtopodion gastrophole (WERNER, 1917)
- Cyrtopodion kachhense (STOLICZKA, 1872)
- Cyrtopodion kirmanense (NIKOLSKY, 1900)
- Cyrtopodion montiumsalsorum (ANNANDALE, 1913)
- Cyrtopodion scabrum (HEYDEN, 1827)
- Cyrtopodion watsoni (MURRAY, 1892)
- Daboia palaestinae (WERNER, 1938)
- Dalmatolacerta oxycephala (SCHLEGEL, 1839)
- Darevskia alpina (DAREVSKY, 1967)
- Darevskia armeniaca (MÉHELY, 1909)
- Darevskia bendimahiensis (SCHMIDTLER, EISELT & DAREVSKY, 1994)
- Darevskia bithynica (MÉHELY, 1909)
- Darevskia caucasica (MÉHELY, 1909)
- Darevskia chlorogaster (BOULENGER, 1908)
- Darevskia clarkorum (DAREVSKY & VEDMEDERJA, 1977)
- Darevskia daghestanica (DAREVSKY, 1967)
- Darevskia dahli (DAREVSKY, 1957)
- Darevskia derjugini (NIKOLSKY, 1898)
- Darevskia mirabilis ARRIBAS, ILGAZ, KUMLUTAŞ, DURMUŞ, AVCI & ÜZÜM, 2013
- Darevskia mixta (MÉHELY, 1909)
- Darevskia nairensis (DAREVSKY, 1967)
- Darevskia obscura (LANTZ & CYRÉN, 1936)
- Darevskia parvula (LANTZ & CYRÉN, 1913)
- Darevskia portschinskii (KESSLER, 1878)
- Darevskia praticola (EVERSMANN, 1834)
- Darevskia raddei (BOETTGER, 1892)
- Darevskia rudis (BEDRIAGA, 1886)
- Darevskia sapphirina (SCHMIDTLER, EISELT & DAREVSKY, 1994)
- Darevskia spitzenbergerae (EISELT, DAREVSKY & SCHMIDTLER, 1992)
- Darevskia unisexualis (DAREVSKY, 1966)
- Darevskia uzzelli (DAREVSKY & DANIELYAN, 1977)
- Darevskia valentini (BOETTGER, 1892)
- Dasypeltis fasciata SMITH, 1849
- Dasypeltis medici BIANCONI, 1859
- Dasypeltis scabra (LINNAEUS, 1758)
- Deinagkistrodon acutus (GÜNTHER, 1888)
- Dendrelaphis calligaster (GÜNTHER, 1867)
- Dendrelaphis gastrostictus (BOULENGER, 1894)
- Dendrelaphis inornatus BOULENGER, 1897
- Dendrelaphis keiensis (MERTENS, 1926)
- Dendrelaphis lineolatus (JACQUINOT & GUICHENOT, 1853)
- Dendrelaphis lorentzii (LIDTH DE JEUDE, 1911)
- Dendrelaphis macrops (GÜNTHER, 1877)
- Dendrelaphis papuensis BOULENGER, 1895
- Dendrelaphis pictus (GMELIN, 1789)
- Dendrelaphis punctulatus (GRAY, 1826)
- Dendrelaphis striolatus (PETERS, 1867)
- Dendrelaphis tristis (DAUDIN, 1803)
- Dendroaspis angusticeps (SMITH, 1849)
- Dendroaspis jamesoni (TRAILL, 1843)
- Dendroaspis polylepis GÜNTHER, 1864
- Dendroaspis viridis (HALLOWELL, 1844)
- Dendrophidion paucicarinatum (COPE, 1894)
- Dendrophidion percarinatum (COPE, 1893)
- Dendrosauridion yanesha LEHR, MORAVEC, LUNDBERG, KÖHLER, CATENAZZI & ŠMÍD, 2019
- Dermochelys coriacea (VANDELLI, 1761)
- Diadophis punctatus (LINNAEUS, 1766)
- Dibernardia affinis (GÜNTHER, 1858)
- Dinarolacerta montenegrina LJUBISAVLJEVIC, ARRIBAS, DUKIC & CARRANZA, 2007
- Dinarolacerta mosorensis (KOLOMBATOVIC, 1886)
- Diploglossus lessonae PERACCA, 1890
- Dipsadoboa unicolor GÜNTHER, 1858
- Dipsadoboa werneri (BOULENGER, 1897)
- Dipsas albifrons (SAUVAGE, 1884)
- Dipsas bucephala (SHAW, 1802)
- Dipsas catesbyi (SENTZEN, 1796)
- Dipsas indica LAURENTI, 1768
- Dipsas mikanii SCHLEGEL, 1837
- Dipsas sazimai FERNANDES, MARQUES & ARGÔLO, 2010
- Dipsas variegata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Dipsosaurus dorsalis (BAIRD & GIRARD, 1852)
- Dispholidus typus (SMITH, 1828)
- Dolichophis caspius (GMELIN, 1789)
- Dolichophis jugularis (LINNAEUS, 1758)
- Dolichophis schmidti (NIKOLSKY, 1909)
- Draco cyanopterus PETERS, 1867
- Draco guentheri BOULENGER, 1885
- Draco spilonotus GÜNTHER, 1872
- Draco spilopterus (WIEGMANN, 1834)
- Draco volans LINNAEUS, 1758
- Draco walkeri BOULENGER, 1891
- Dravidoseps pruthi (SHARMA, 1977)
- Drepanoides anomalus (JAN, 1863)
- Dromicodryas bernieri (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Dromicodryas quadrilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Drymarchon corais (BOIE, 1827)
- Drymobius chloroticus (COPE, 1886)
- Drymobius rhombifer (GÜNTHER, 1860)
- Drymoluber brazili (GOMES, 1918)
- Drymoluber dichrous (PETERS, 1863)
- Dryophiops philippina BOULENGER, 1896
- Dryophylax almae (FRANCO & FERREIRA, 2003)
- Dryophylax chaquensis (BERGNA & ÁLVAREZ, 1993)
- Dryophylax gambotensis (PÉREZ-SANTOS & MORENO, 1989)
- Dryophylax hypoconia (COPE, 1860)
- Dryophylax nattereri (MIKAN, 1820)
- Dryophylax phoenix (FRANCO, TREVINE, MONTINGELLI & ZAHER, 2017)
- Duberria lutrix (LINNAEUS, 1758)
- Ebenavia inunguis BOETTGER, 1878
- Echinanthera cephalostriata DI BERNARDO, 1996
- Echinanthera melanostigma (WAGLER, 1824)
- Echis carinatus (SCHNEIDER, 1801)
- Echis leucogaster ROMAN, 1972
- Echis ocellatus STEMMLER, 1970
- Ecpleopus gaudichaudii DUMÉRIL & BIBRON, 1839
- Egernia cunninghami (GRAY, 1832)
- Eirenis africanus (BOULENGER, 1914)
- Eirenis aurolineatus (VENZMER, 1919)
- Eirenis barani SCHMIDTLER, 1988
- Eirenis collaris (MÉNÉTRIES, 1832)
- Eirenis coronella (SCHLEGEL, 1837)
- Eirenis coronelloides (JAN, 1862)
- Eirenis decemlineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Eirenis eiselti SCHMIDTLER & SCHMIDTLER, 1978
- Eirenis levantinus SCHMIDTLER, 1993
- Eirenis medus (CHERNOV, 1940)
- Eirenis modestus (MARTIN, 1838)
- Eirenis persicus (ANDERSON, 1872)
- Eirenis punctatolineatus (BOETTGER, 1892)
- Eirenis rechingeri EISELT, 1971
- Eirenis rothii JAN, 1863
- Elaiophis inornatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Elaphe anomala (BOULENGER, 1916)
- Elaphe carinata (GÜNTHER, 1864)
- Elaphe dione (PALLAS, 1773)
- Elaphe quatuorlineata (LACÉPÈDE, 1789)
- Elaphe sauromates (PALLAS, 1811)
- Elaphe schrenckii STRAUCH, 1873
- Elaphe taeniura COPE, 1861
- Elapoidis fusca (BOIE, 1827)
- Elapomorphus quinquelineatus (RADDI, 1820)
- Elapomorphus wuchereri GÜNTHER, 1861
- Elapotinus picteti JAN, 1862
- Elapsoidea boulengeri BOETTGER, 1895
- Elapsoidea nigra GÜNTHER, 1888
- Emoia atrocostata (LESSON, 1829)
- Emoia caeruleocauda (DE VIS, 1892)
- Emoia cyanura (LESSON, 1829)
- Emoia lawesii (GÜNTHER, 1874)
- Emoia longicauda (MACLEAY, 1877)
- Emoia pallidiceps (DE VIS, 1890)
- Emydura australis (GRAY, 1841)
- Emys orbicularis (LINNAEUS, 1758)
- Enhydris enhydris (SCHNEIDER, 1799)
- Enuliophis sclateri (BOULENGER, 1894)
- Enyalioides annularis (O'SHAUGHNESSY, 1881)
- Enyalius bibronii BOULENGER, 1885
- Enyalius iheringii BOULENGER, 1885
- Enyalius perditus JACKSON, 1978
- Epibator greeri (BÖHME, 1979)
- Epicrates assisi MACHADO, 1944
- Epicrates cenchria (LINNAEUS, 1758)
- Epicrates crassus COPE, 1862
- Epicrates maurus GRAY, 1849
- Epictia albifrons (WAGLER, 1824)
- Epictia borapeliotes (VANZOLINI, 1996)
- Epictia goudotii (DUMÉRIL & BIBRON, 1844)
- Epictia tenella (KLAUBER, 1939)
- Eremias arguta (PALLAS, 1773)
- Eremias fasciata BLANFORD, 1874
- Eremias intermedia (STRAUCH, 1876)
- Eremias lineolata (NIKOLSKY, 1897)
- Eremias nigrocellata NIKOLSKY, 1896
- Eremias persica BLANFORD, 1875
- Eremias pleskei NIKOLSKY, 1905
- Eremias scripta (STRAUCH, 1867)
- Eremias strauchi KESSLER, 1878
- Eremias suphani BASOGLU & HELLMICH, 1968
- Eremias velox (PALLAS, 1771)
- Eremias vermiculata BLANFORD, 1875
- Eremiascincus antoniorum (SMITH, 1927)
- Eremiascincus isolepis (BOULENGER, 1887)
- Eremiascincus pallidus (GÜNTHER, 1875)
- Eremiascincus pardalis (MACLEAY, 1877)
- Eremiascincus richardsonii (GRAY, 1845)
- Erymnochelys madagascariensis (GRANDIDIER, 1867)
- Erythrolamprus aenigma ENTIAUSPE-NETO, ABEGG, KOCH, NUÑEZ, AZEVEDO, MORAES, TIUTENKO, BIALVES & LOEBMANN, 2021
- Erythrolamprus aesculapii (LINNAEUS, 1758)
- Erythrolamprus almadensis (WAGLER, 1824)
- Erythrolamprus cursor (LACÉPÈDE, 1789)
- Erythrolamprus dorsocorallinus (ESQUEDA, NATERA, LA MARCA & ILIJA-FISTAR, 2007)
- Erythrolamprus juliae (COPE, 1879)
- Erythrolamprus macrosomus (AMARAL, 1936)
- Erythrolamprus maryellenae (DIXON, 1985)
- Erythrolamprus melanotus (SHAW, 1802)
- Erythrolamprus miliaris (LINNAEUS, 1758)
- Erythrolamprus mimus (COPE, 1868)
- Erythrolamprus mossoroensis (HOGE & LIMA-VERDE, 1973)
- Erythrolamprus ocellatus PETERS, 1869
- Erythrolamprus oligolepis (BOULENGER, 1905)
- Erythrolamprus ornatus (GARMAN, 1887)
- Erythrolamprus poecilogyrus (WIED-NEUWIED, 1824)
- Erythrolamprus reginae (LINNAEUS, 1758)
- Erythrolamprus taeniogaster (JAN, 1863)
- Erythrolamprus typhlus (LINNAEUS, 1758)
- Erythrolamprus viridis (GÜNTHER, 1862)
- Erythrolamprus zweifeli (ROZE, 1959)
- Eryx jaculus (LINNAEUS, 1758)
- Eryx johnii (RUSSELL, 1801)
- Etheridgeum pulchrum (WERNER, 1924)
- Eublepharis angramainyu ANDERSON & LEVITON, 1966
- Eublepharis macularius (BLYTH, 1854)
- Eublepharis turcmenicus DAREVSKY, 1977
- Eumeces schneiderii (DAUDIN, 1802)
- Eumeces zarudnyi NIKOLSKY, 1900
- Eunectes deschauenseei DUNN & CONANT, 1936
- Eunectes murinus (LINNAEUS, 1758)
- Eunectes notaeus COPE, 1862
- Euprepiophis mandarinus (CANTOR, 1842)
- Eurydactylodes agricolae HENKEL & BÖHME, 2001
- Eurydactylodes symmetricus (ANDERSSON, 1908)
- Eurylepis poonaensis (SHARMA, 1970)
- Euspondylus guentheri (O'SHAUGHNESSY, 1881)
- Euspondylus maculatus TSCHUDI, 1845
- Eutropis bibronii (GRAY, 1839)
- Eutropis borealis (BROWN & ALCALA, 1980)
- Eutropis carinata (SCHNEIDER, 1801)
- Eutropis longicaudata (HALLOWELL, 1857)
- Eutropis multicarinata (GRAY, 1845)
- Eutropis multifasciata (KUHL, 1820)
- Eutropis rudis (BOULENGER, 1887)
- Feylinia currori GRAY, 1845
- Flexiseps alluaudi (BRYGOO, 1981)
- Fowlea piscator (SCHNEIDER, 1799)
- Furcifer campani (GRANDIDIER, 1872)
- Furcifer labordi (GRANDIDIER, 1872)
- Furcifer lateralis (GRAY, 1831)
- Furcifer major (BRYGOO, 1971)
- Furcifer oustaleti (MOCQUARD, 1894)
- Furcifer pardalis (CUVIER, 1829)
- Furcifer polleni (PETERS, 1874)
- Furcifer verrucosus (CUVIER, 1829)
- Furcifer voeltzkowi (BOETTGER, 1893)
- Furcifer willsii (GÜNTHER, 1890)
- Gallotia caesaris (LEHRS, 1914)
- Gallotia galloti (OUDART, 1839)
- Gallotia simonyi (STEINDACHNER, 1889)
- Gallotia stehlini (SCHENKEL, 1901)
- Garthia gaudichaudii (DUMÉRIL & BIBRON, 1836)
- Gastropholis echinata (COPE, 1862)
- Geagras redimitus COPE, 1875
- Geckolepis maculata PETERS, 1880
- Geckolepis typica GRANDIDIER, 1867
- Gehyra mutilata (WIEGMANN, 1834)
- Gehyra oceanica (LESSON, 1829)
- Gehyra vorax GIRARD, 1858
- Gekko albomaculatus (GIEBEL, 1861)
- Gekko badenii SZCZERBAK & NEKRASOVA, 1994
- Gekko bannaense (WANG, WANG & LIU, 2016)
- Gekko canhi RÖSLER, NGUYEN, VAN DOAN, HO, NGUYEN & ZIEGLER, 2010
- Gekko cicakterbang (GRISMER, WOOD, GRISMER, QUAH, THY, PHIMMACHAK, SIVONGXAY, SEATEUN, STUART, SILER, MULCAHY, ANAMZA & BROWN, 2019)
- Gekko ernstkelleri RÖSLER, SILER, BROWN, DEMEGLIO & GAULKE, 2006
- Gekko gecko (LINNAEUS, 1758)
- Gekko intermedium (TAYLOR, 1915)
- Gekko kabkaebin (GRISMER, WOOD, GRISMER, QUAH, THY, PHIMMACHAK, SIVONGXAY, SEATEUN, STUART, SILER, MULCAHY, ANAMZA & BROWN, 2019)
- Gekko lionotum (ANNANDALE, 1905)
- Gekko mindorensis TAYLOR, 1919
- Gekko monarchus (SCHLEGEL, 1836)
- Gekko petricolus TAYLOR, 1962
- Gekko popaense (GRISMER, WOOD, THURA, M GRISMER, BROWN & STUART, 2018)
- Gekko reevesii (GRAY, 1831)
- Gekko smithii GRAY, 1842
- Gekko tokehos (GRISMER, WOOD, GRISMER, QUAH, THY, PHIMMACHAK, SIVONGXAY, SEATEUN, STUART, SILER, MULCAHY, ANAMZA & BROWN, 2019)
- Gekko vittatus HOUTTUYN, 1782
- Geochelone platynota (BLYTH, 1863)
- Geoclemys hamiltonii (GRAY, 1831)
- Geoemyda spengleri (GMELIN, 1789)
- Geophis betaniensis RESTREPO & WRIGHT, 1987
- Geophis brachycephalus (COPE, 1871)
- Geophis damiani WILSON, MCCRANIE & WILLIAMS, 1998
- Geophis dunni SCHMIDT, 1932
- Geophis godmani BOULENGER, 1894
- Geophis hoffmanni (PETERS, 1859)
- Geophis nasalis (COPE, 1868)
- Geophis sartorii (COPE, 1863)
- Geophis semidoliatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Geophis sieboldi (JAN, 1862)
- Geophis talamancae LIPS & SAVAGE, 1994
- Geophis zeledoni TAYLOR, 1954
- Gerrhonotus rhombifer PETERS, 1876
- Gerrhosaurus flavigularis WIEGMANN, 1828
- Gloydius blomhoffii (BOIE, 1826)
- Gloydius halys (PALLAS, 1776)
- Gloydius intermedius (STRAUCH, 1868)
- Gomesophis brasiliensis (GOMES, 1918)
- Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)
- Gonatodes daudini POWELL & HENDERSON, 2005
- Gonatodes humeralis (GUICHENOT, 1855)
- Gonatodes vittatus (LICHTENSTEIN & MARTENS, 1856)
- Gongylosoma calamaria (GÜNTHER, 1858)
- Gonionotophis grantii (GÜNTHER, 1863)
- Gonionotophis klingi MATSCHIE, 1893
- Goniurosaurus huuliensis ORLOV, RYABOV, NGUYEN, NGUYEN & HO, 2008
- Goniurosaurus lichtenfelderi (MOCQUARD, 1897)
- Gonocephalus bornensis (SCHLEGEL, 1851)
- Gonyosoma frenatum (GRAY, 1853)
- Gonyosoma jansenii (BLEEKER, 1859)
- Gonyosoma oxycephalum (BOIE, 1827)
- Gopherus agassizii (COOPER, 1861)
- Gracililima nyassae (GÜNTHER, 1888)
- Grandidierina rubrocaudata (GRANDIDIER, 1869)
- Graptemys caglei HAYNES & MCKOWN, 1974
- Graptemys flavimaculata CAGLE, 1954
- Graptemys nigrinoda CAGLE, 1954
- Graptemys oculifera (BAUR, 1890)
- Grayia smithii (LEACH, 1818)
- Gymnodactylus geckoides SPIX, 1825
- Gymnophthalmus speciosus (HALLOWELL, 1861)
- Gymnophthalmus underwoodi GRANT, 1958
- Hakaria simonyi (STEINDACHNER, 1899)
- Hapsidophrys lineata FISCHER, 1856
- Hapsidophrys smaragdina (SCHLEGEL, 1837)
- Harpesaurus tricinctus (DUMÉRIL, 1851)
- Hebius craspedogaster (BOULENGER, 1899)
- Hebius octolineatus (BOULENGER, 1904)
- Hebius popei (SCHMIDT, 1925)
- Helicops angulatus (LINNAEUS, 1758)
- Helicops infrataeniatus JAN, 1865
- Helicops leopardinus (SCHLEGEL, 1837)
- Helicops modestus GÜNTHER, 1861
- Heliobolus lugubris (SMITH, 1838)
- Heliobolus nitidus (GÜNTHER, 1872)
- Heliobolus spekii (GÜNTHER, 1872)
- Hellenolacerta graeca (BEDRIAGA, 1886)
- Heloderma suspectum COPE, 1869
- Hemibungarus calligaster (WIEGMANN, 1835)
- Hemibungarus gemianulis PETERS, 1872
- Hemidactylus agrius VANZOLINI, 1978
- Hemidactylus angulatus HALLOWELL, 1854
- Hemidactylus brasilianus (AMARAL, 1935)
- Hemidactylus brookii GRAY, 1845
- Hemidactylus fasciatus GRAY, 1842
- Hemidactylus frenatus DUMÉRIL & BIBRON, 1836
- Hemidactylus inintellectus Sindaco, Ziliani, Razzetti, Pupin, Grieco, 2009
- Hemidactylus mabouia (MOREAU DE JONNÈS, 1818)
- Hemidactylus mercatorius GRAY, 1842
- Hemidactylus muriceus PETERS, 1870
- Hemidactylus platycephalus PETERS, 1854
- Hemidactylus platyurus (SCHNEIDER, 1797)
- Hemidactylus ruspolii BOULENGER, 1896
- Hemidactylus turcicus (LINNAEUS, 1758)
- Hemirhagerrhis nototaenia (GÜNTHER, 1864)
- Hemitheconyx caudicinctus (DUMÉRIL, 1851)
- Hemorrhois hippocrepis (LINNAEUS, 1758)
- Hemorrhois nummifer (REUSS, 1834)
- Hemorrhois ravergieri (MÉNÉTRIES, 1832)
- Heosemys spinosa (GRAY, 1831)
- Heremites auratus (LINNAEUS, 1758)
- Heremites septemtaeniatus (REUSS, 1834)
- Herpetoreas platyceps (BLYTH, 1855)
- Herpetoreas sieboldii GÜNTHER, 1860
- Herpetoreas xenura (WALL, 1907)
- Heterodactylus imbricatus SPIX, 1825
- Heterodon kennerlyi KENNICOTT, 1860
- Heterodon nasicus BAIRD & GIRARD, 1852
- Hierophis cypriensis (SCHÄTTI, 1985)
- Hierophis gemonensis (LAURENTI, 1768)
- Hierophis viridiflavus (LACÉPÈDE, 1789)
- Holaspis guentheri GRAY, 1863
- Holaspis laevis WERNER, 1896
- Holcosus amphigrammus (SMITH & LAUFE, 1945)
- Holcosus gaigeae (SMITH & LAUFE, 1946)
- Holcosus hartwegi (SMITH, 1940)
- Holcosus parvus (BARBOUR & NOBLE, 1915)
- Holcosus pulcher (HALLOWELL, 1861)
- Holcosus sinister (SMITH & LAUFE, 1946)
- Holcosus stuarti SMITH, 1940
- Holcosus thomasi (SMITH & LAUFE, 1946)
- Holcosus undulatus (WIEGMANN, 1834)
- Homopholis wahlbergii (SMITH, 1849)
- Hormonotus modestus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Hydromorphus concolor PETERS, 1859
- Hydrophis curtus (SHAW, 1802)
- Hydrophis cyanocinctus DAUDIN, 1803
- Hydrophis fasciatus (SCHNEIDER, 1799)
- Hydrophis platurus (LINNAEUS, 1766)
- Hydrophis schistosus DAUDIN, 1803
- Hydrophis viperinus (SCHMIDT, 1852)
- Iberolacerta aurelioi (ARRIBAS, 1994)
- Iberolacerta martinezricai (ARRIBAS, 1996)
- Iberolacerta monticola (BOULENGER, 1905)
- Iguana iguana (LINNAEUS, 1758)
- Imantodes cenchoa (LINNAEUS, 1758)
- Imantodes chocoensis TORRES-CARVAJAL, YÁNEZ-MUÑOZ, QUIROLA, SMITH & ALMENDÁRIZ, 2012
- Indotestudo elongata (BLYTH, 1854)
- Indotestudo forstenii (SCHLEGEL & MÜLLER, 1844)
- Indotyphlops braminus (DAUDIN, 1803)
- Inyoka swazicus (SCHAEFER, 1970)
- Iphisa elegans GRAY, 1851
- Ithycyphus miniatus (SCHLEGEL, 1837)
- Ithycyphus oursi DOMERGUE, 1986
- Ithycyphus perineti DOMERGUE, 1986
- Kentropyx calcarata SPIX, 1825
- Kentropyx striata (DAUDIN, 1802)
- Kentropyx vanzoi GALLAGHER & DIXON, 1980
- Kinixys belliana GRAY, 1831
- Kinixys erosa (SCHWEIGGER, 1812)
- Kinixys lobatsiana (POWER, 1927)
- Kinixys nogueyi (LATASTE, 1886)
- Kinixys zombensis HEWITT, 1931
- Kinosternon albogulare (DUMÉRIL & BOCOURT, 1870)
- Kinosternon angustipons LEGLER, 1965
- Kinosternon baurii (GARMAN, 1891)
- Kinosternon cruentatum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
- Kinosternon leucostomum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
- Kinosternon scorpioides (LINNAEUS, 1766)
- Kinosternon vogti LÓPEZ-LUNA, CUPUL-MAGAÑA, ESCOBEDO-GALVÁN, GONZÁLEZ-HERNÁNDEZ, CENTENERO-ALCALÁ, RANGEL-MENDOZA, RAMÍREZ-RAMÍREZ & CAZARES-HERNÁNDEZ, 2018
- Kinyongia uthmoelleri (MÜLLER, 1938)
- Kladirostratus acutus (GÜNTHER, 1888)
- Lacerta agilis LINNAEUS, 1758
- Lacerta bilineata DAUDIN, 1802
- Lacerta citrovittata WERNER, 1938
- Lacerta diplochondrodes WETTSTEIN, 1952
- Lacerta media LANTZ & CYRÉN, 1920
- Lacerta pamphylica SCHMIDTLER, 1975
- Lacerta schreiberi BEDRIAGA, 1878
- Lacerta strigata EICHWALD, 1831
- Lacerta trilineata BEDRIAGA, 1886
- Lacerta viridis (LAURENTI, 1768)
- Lachesis acrochorda (GARCIA, 1896)
- Lachesis muta (LINNAEUS, 1766)
- Lachesis rhombeata (WIED, 1824)
- Laemanctus longipes WIEGMANN, 1834
- Lamprolepis smaragdina (LESSON, 1829)
- Lampropeltis alterna (BROWN, 1901)
- Lampropeltis elapsoides (HOLBROOK, 1838)
- Lampropeltis gentilis (BAIRD & GIRARD, 1853)
- Lampropeltis greeri WEBB, 1961
- Lampropeltis leonis (GÜNTHER, 1893)
- Lampropeltis mexicana (GARMAN, 1884)
- Lampropeltis ruthveni BLANCHARD, 1920
- Lampropeltis triangulum (LACÉPÈDE, 1789)
- Lamprophis aurora (LINNAEUS, 1758)
- Lamprophis fiskii BOULENGER, 1887
- Lamprophis fuscus BOULENGER, 1893
- Langaha madagascariensis BONATERRE, 1790
- Langaha pseudoalluaudi DOMERGUE, 1988
- Lanthanotus borneensis STEINDACHNER, 1878
- Latastia johnstonii BOULENGER, 1907
- Latastia longicaudata (REUSS, 1834)
- Laticauda colubrina (SCHNEIDER, 1799)
- Laticauda saintgironsi COGGER & HEATWOLE, 2006
- Laudakia stellio (LINNAEUS, 1758)
- Laudakia vulgaris (SONNINI & LATREILLE, 1802)
- Leioheterodon madagascariensis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Leioheterodon modestus (GÜNTHER, 1863)
- Lepidoblepharis miyatai LAMAR, 1985
- Lepidochelys olivacea (ESCHSCHOLTZ, 1829)
- Lepidodactylus lugubris (DUMÉRIL & BIBRON, 1836)
- Lepidophyma flavimaculatum DUMÉRIL, 1851
- Lepidophyma reticulatum TAYLOR, 1955
- Leposternon polystegum (DUMÉRIL, 1851)
- Leptodeira annulata (LINNAEUS, 1758)
- Leptodeira nigrofasciata GÜNTHER, 1868
- Leptodeira pulchriceps DUELLMAN, 1958
- Leptodeira septentrionalis (KENNICOTT, 1859)
- Leptomicrurus collaris (SCHLEGEL, 1837)
- Leptomicrurus narduccii (JAN, 1863)
- Leptomicrurus renjifoi LAMAR, 2003
- Leptomicrurus scutiventris (COPE, 1870)
- Leptophis ahaetulla (LINNAEUS, 1758)
- Leptophis bocourti BOULENGER, 1898
- Leptophis bolivianus OLIVER, 1942
- Leptophis liocercus (WIED, 1824)
- Leptophis marginatus (COPE, 1862)
- Leptophis mexicanus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Leptophis nigromarginatus (GÜNTHER, 1866)
- Leptophis occidentalis (GÜNTHER, 1859)
- Leptophis praestans (COPE, 1868)
- Leptophis urostictus (PETERS, 1873)
- Letheobia episcopus (FRANZEN & WALLACH, 2002)
- Leucocephalon yuwonoi (MCCORD, IVERSON & BOEADI, 1995)
- Lialis burtonis GRAY, 1834
- Liasis mackloti DUMÉRIL & BIBRON, 1844
- Limaformosa capensis (SMITH, 1847)
- Limaformosa savorgnani (MOCQUARD, 1887)
- Liolaemus andinus KOSLOWSKY, 1895
- Liolaemus chavin AGUILAR, WOOD, CUSI, GUZMÁN, HUARI, LUNDBERG, MORTENSEN, RAMÍREZ, ROBLES, SUÁREZ, TICONA, VARGAS, VENEGAS & SITES, 2013
- Liolaemus constanzae DONOSO-BARROS, 1961
- Liolaemus erroneus (NÚÑEZ & YÁÑEZ, 1983)
- Liolaemus fabiani YÁÑEZ & NÚÑEZ, 1983
- Liolaemus foxi NÚÑEZ, NAVARRO & VELOSO, 2000
- Liolaemus irregularis LAURENT, 1986
- Liolaemus lutzae MERTENS, 1938
- Liolaemus neuquensis MÜLLER & HELLMICH, 1939
- Liolaemus nigromaculatus (WIEGMANN, 1834)
- Liolaemus occipitalis BOULENGER, 1885
- Liolaemus paulinae DONOSO-BARROS, 1961
- Liolaemus poecilochromus LAURENT, 1986
- Liolaemus puna LOBO & ESPINOZA, 2004
- Liolaemus quilmes ETHERIDGE, 1993
- Liolaemus rabinoi (CEI, 1974)
- Liolaemus tacnae (SHREVE, 1941)
- Liolaemus walkeri SHREVE, 1938
- Liolaemus wiegmannii (DUMÉRIL & BIBRON, 1837)
- Liophidium rhodogaster (SCHLEGEL, 1837)
- Liophidium vaillanti (MOCQUARD, 1901)
- Liotyphlops trefauti FREIRE, CARAMASCHI & SUZART ARGÔLO, 2007
- Lipinia inconspicua (MÜLLER, 1894)
- Lipinia longiceps (BOULENGER, 1895)
- Lipinia semperi (PETERS, 1867)
- Lophocalotes ludekingi (BLEEKER, 1860)
- Loxocemus bicolor COPE, 1861
- Loxopholis caparensis (ESQUEDA, 2005)
- Loxopholis osvaldoi (AVILA-PIRES, 1995)
- Loxopholis percarinatum (MÜLLER, 1923)
- Luperosaurus cumingii (GRAY, 1845)
- Lycodon aulicus (LINNAEUS, 1758)
- Lycodon cardamomensis DALTRY & WÜSTER, 2002
- Lycodon carinatus (KUHL, 1820)
- Lycodon multifasciatus (MAKI, 1931)
- Lycodon nympha (DAUDIN, 1803)
- Lycodon ruhstrati (FISCHER, 1886)
- Lycodon striatus (SHAW, 1802)
- Lycodon travancoricus (BEDDOME, 1870)
- Lycodonomorphus bicolor (GÜNTHER, 1893)
- Lycodonomorphus laevissimus (GÜNTHER, 1862)
- Lycodonomorphus leleupi (LAURENT, 1950)
- Lycodonomorphus mlanjensis LOVERIDGE, 1953
- Lycodonomorphus obscuriventris FITZSIMONS, 1963
- Lycodonomorphus rufulus (LICHTENSTEIN, 1823)
- Lycodonomorphus whytii (BOULENGER, 1897)
- Lycodryas granuliceps (BOETTGER, 1877)
- Lycodryas guentheri (BOULENGER, 1896)
- Lycophidion capense (SMITH, 1831)
- Lycophidion meleagre BOULENGER, 1893
- Lygodactylus angularis GÜNTHER, 1893
- Lygodactylus capensis (SMITH, 1849)
- Lygodactylus chobiensis FITZSIMONS, 1932
- Lygodactylus delicatus PASTEUR, 1962
- Lygodactylus grotei STERNFELD, 1911
- Lygodactylus heeneni DE WITTE, 1933
- Lygodactylus incognitus JACOBSEN, 1992
- Lygodactylus keniensis PARKER, 1936
- Lygodactylus klugei (SMITH, MARTIN & SWAIN, 1977)
- Lygodactylus madagascariensis (BOETTGER, 1881)
- Lygodactylus montiscaeruli JACOBSEN, 1992
- Lygodactylus nigropunctatus JACOBSEN, 1992
- Lygodactylus ocellatus ROUX, 1907
- Lygodactylus pictus (PETERS, 1883)
- Lygodactylus soutpansbergensis JACOBSEN, 1994
- Lygodactylus thomensis (PETERS, 1881)
- Lygodactylus wermuthi PASTEUR, 1962
- Lygodactylus williamsi LOVERIDGE, 1952
- Lygophis dilepis COPE, 1862
- Macrocalamus lateralis GÜNTHER, 1864
- Macroprotodon cucullatus (GEOFFROY SAINT-HILAIRE, 1827)
- Macrovipera lebetinus (LINNAEUS, 1758)
- Macrovipera razii ORAIE, RASTEGAR-POUYANI, KHOSRAVANI, MORADI, AKBARI, SEHHATISABET, SHAFIEI, STÜMPEL & JOGER, 2018
- Madagascarophis colubrinus (SCHLEGEL, 1837)
- Madagascarophis meridionalis DOMERGUE, 1987
- Madascincus melanopleura (GÜNTHER, 1877)
- Malacochersus tornieri (SIEBENROCK, 1903)
- Malayopython reticulatus (SCHNEIDER, 1801)
- Malayotyphlops ruficauda (GRAY, 1845)
- Malpolon insignitus (GEOFFROY SAINT-HILAIRE, 1827)
- Malpolon moilensis (REUSS, 1834)
- Malpolon monspessulanus (HERMANN, 1804)
- Marisora brachypoda (TAYLOR, 1956)
- Marisora unimarginata (COPE, 1863)
- Mastigodryas dorsalis (BOCOURT, 1890)
- Mauremys annamensis (SIEBENROCK, 1903)
- Mauremys caspica (GMELIN, 1774)
- Mauremys japonica (TEMMINCK & SCHLEGEL, 1835)
- Mauremys leprosa (SCHWEIGGER, 1812)
- Mauremys reevesii (GRAY, 1831)
- Mauremys rivulata (VALENCIENNES, 1833)
- Mauremys sinensis (GRAY, 1834)
- Mediodactylus amictopholis (HOOFIEN, 1967)
- Mediodactylus aspratilis (ANDERSON, 1973)
- Mediodactylus bartoni (STEPÁNEK, 1934)
- Mediodactylus danilewskii (STRAUCH, 1887)
- Mediodactylus dehakroensis (MASROOR, 2009)
- Mediodactylus heterocercus (BLANFORD, 1874)
- Mediodactylus heteropholis (MINTON, ANDERSON & ANDERSON, 1970)
- Mediodactylus kotschyi (STEINDACHNER, 1870)
- Mediodactylus russowii (STRAUCH, 1887)
- Mediodactylus sagittifer (NIKOLSKY, 1900)
- Mediodactylus spinicauda (STRAUCH, 1887)
- Mediodactylus stevenandersoni (TORKI, 2011)
- Mediodactylus walli (INGOLDBY, 1922)
- Mehelya poensis (SMITH, 1849)
- Mehelya stenophthalmus (MOCQUARD, 1887)
- Meizodon coronatus (SCHLEGEL, 1837)
- Meizodon regularis FISCHER, 1856
- Melanosuchus niger (SPIX, 1825)
- Meroles squamulosus (PETERS, 1854)
- Meroles suborbitalis (PETERS, 1869)
- Mesalina guttulata (LICHTENSTEIN, 1823)
- Mesalina watsonana (STOLICZKA, 1872)
- Mesoamericus bilobatus (O'SHAUGHNESSY, 1874)
- Mesoclemmys dahli (ZANGERL & MEDEM, 1958)
- Mesoclemmys gibba (SCHWEIGGER, 1812)
- Mesoclemmys nasuta (SCHWEIGGER, 1812)
- Mesoclemmys raniceps (GRAY, 1856)
- Mesoclemmys tuberculata (LUEDERWALDT, 1926)
- Mesoclemmys vanderhaegei (BOUR, 1973)
- Mesoclemmys wermuthi (MERTENS, 1969)
- Mesoscincus managuae (DUNN, 1933)
- Mesotes strigatus (GÜNTHER, 1858)
- Metlapilcoatlus indomitus (SMITH & FERRARI-CASTRO, 2008)
- Metlapilcoatlus mexicanus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Metlapilcoatlus nummifer (RÜPPELL, 1845)
- Metlapilcoatlus occiduus (HOGE, 1966)
- Metlapilcoatlus olmec (PÉREZ-HIGAREDA, SMITH & JULIÁ-ZERTUCHE, 1985)
- Micrablepharus maximiliani (REINHARDT & LÜTKEN, 1862)
- Micrelaps muelleri BOETTGER, 1880
- Microauris aurantolabium (KRISHNAN, 2008)
- Microcephalophis gracilis (SHAW, 1802)
- Microgecko depressus (MINTON & ANDERSON, 1965)
- Microgecko helenae NIKOLSKY, 1907
- Microgecko latifi (LEVITON & ANDERSON, 1972)
- Microgecko persicus (NIKOLSKY, 1903)
- Microlophus arenarius (TSCHUDI, 1845)
- Microlophus koepckeorum (MERTENS, 1956)
- Microlophus occipitalis (PETERS, 1871)
- Microlophus peruvianus (LESSON, 1829)
- Microlophus theresiae (STEINDACHNER, 1901)
- Microlophus thoracicus (TSCHUDI, 1845)
- Microlophus tigris (TSCHUDI, 1845)
- Micruroides euryxanthus (KENNICOTT, 1860)
- Micrurus albicinctus AMARAL, 1925
- Micrurus alleni SCHMIDT, 1936
- Micrurus ancoralis (JAN, 1872)
- Micrurus annellatus PETERS, 1871
- Micrurus apiatus (JAN, 1858)
- Micrurus baliocoryphus (COPE, 1860)
- Micrurus balzani BOULENGER, 1898
- Micrurus bocourti (JAN, 1872)
- Micrurus bogerti ROZE, 1967
- Micrurus bolivianus ROZE, 1967
- Micrurus brasiliensis ROZE, 1967
- Micrurus browni (SCHMIDT & SMITH, 1943)
- Micrurus carvalhoi ROZE, 1967
- Micrurus circinalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus clarki SCHMIDT, 1936
- Micrurus corallinus (MERREM, 1820)
- Micrurus decoratus (JAN, 1858)
- Micrurus diastema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus dissoleucus COPE, 1860
- Micrurus distans KENNICOTT, 1860
- Micrurus diutius BURGER, 1955
- Micrurus dumerilii (JAN, 1858)
- Micrurus elegans JAN, 1858
- Micrurus ephippifer (COPE, 1886)
- Micrurus filiformis (GÜNTHER, 1859)
- Micrurus frontalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus frontifasciatus (WERNER, 1927)
- Micrurus fulvius (LINNAEUS, 1766)
- Micrurus helleri SCHMIDT & SCHMIDT, 1925
- Micrurus hemprichii (JAN, 1858)
- Micrurus hippocrepis (PETERS, 1862)
- Micrurus ibiboboca (MERREM, 1820)
- Micrurus isozonus (COPE, 1860)
- Micrurus langsdorffi (WAGLER, 1824)
- Micrurus laticollaris PETERS, 1870
- Micrurus latifasciatus SCHMIDT, 1933
- Micrurus lemniscatus (LINNAEUS, 1758)
- Micrurus limbatus FRASER, 1964
- Micrurus mertensi SCHMIDT, 1936
- Micrurus michoacanensis DUGES, 1891
- Micrurus mipartitus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus multifasciatus (JAN, 1858)
- Micrurus multiscutatus RENDAHL & VESTERGREN, 1940
- Micrurus nigrocinctus (GIRARD, 1854)
- Micrurus obscurus (JAN, 1872)
- Micrurus oligoanellatus AYERBE & LÓPEZ, 2005
- Micrurus oliveri ROZE, 1967
- Micrurus ornatissimus (JAN, 1858)
- Micrurus ortoni (SCHMIDT, 1953)
- Micrurus paraensis CUNHA & NASCIMENTO, 1973
- Micrurus peruvianus SCHMIDT, 1936
- Micrurus petersi ROZE, 1967
- Micrurus proximans SMITH & CHRAPLIWY, 1958
- Micrurus psyches (DAUDIN, 1803)
- Micrurus putumayensis LANCINI, 1962
- Micrurus pyrrhocryptus (COPE, 1862)
- Micrurus sangilensis NICEFORO MARIA, 1942
- Micrurus spixii WAGLER, 1824
- Micrurus spurrelli (BOULENGER, 1914)
- Micrurus steindachneri (WERNER, 1901)
- Micrurus surinamensis (CUVIER, 1816)
- Micrurus tener (BAIRD & GIRARD, 1853)
- Micrurus tikuna FEITOSA, DA SILVA Jr, PIRES, ZAHER & PRUDENTE, 2015
- Micrurus tschudii (JAN, 1858)
- Mimophis mahfalensis (GRANDIDIER, 1867)
- Mixcoatlus barbouri (DUNN, 1919)
- Mixcoatlus melanurus (MÜLLER, 1924)
- Mniarogekko chahoua (BAVAY, 1869)
- Mochlus guineensis (PETERS, 1879)
- Mochlus sundevallii (SMITH, 1849)
- Montivipera bornmuelleri (WERNER, 1898)
- Montivipera bulgardaghica (NILSON & ANDREN, 1985)
- Montivipera raddei (BOETTGER, 1890)
- Montivipera wagneri (NILSON & ANDRÉN, 1984)
- Montivipera xanthina (GRAY, 1849)
- Morelia imbricata (SMITH, 1981)
- Morelia spilota (LACÉPÈDE, 1804)
- Morelia viridis (SCHLEGEL, 1872)
- Myriopholis macrorhyncha (JAN, 1860)
- Naja annulata PETERS, 1876
- Naja kaouthia LESSON, 1831
- Naja melanoleuca HALLOWELL, 1857
- Naja naja (LINNAEUS, 1758)
- Naja nigricollis REINHARDT, 1843
- Natriciteres bipostocularis BROADLEY, 1962
- Natriciteres olivacea (PETERS, 1854)
- Natriciteres sylvatica BROADLEY, 1966
- Natriciteres variegata (PETERS, 1861)
- Natrix helvetica (LACÉPÈDE, 1789)
- Natrix maura (LINNAEUS, 1758)
- Natrix natrix (LINNAEUS, 1758)
- Natrix tessellata (LAURENTI, 1768)
- Neopalaia pulchra (BOULENGER, 1903)
- Nerodia sipedon (LINNAEUS, 1758)
- Neusticurus bicarinatus (LINNAEUS, 1758)
- Neusticurus medemi DIXON & LAMAR, 1981
- Neusticurus racenisi ROZE, 1958
- Neusticurus rudis BOULENGER, 1900
- Neusticurus tatei (BURT & BURT, 1931)
- Nilssonia formosa (GRAY, 1869)
- Ninia atrata (HALLOWELL, 1845)
- Ninia maculata (PETERS, 1861)
- Ninia sebae (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Nothopsis rugosus COPE, 1871
- Notochelys platynota (GRAY, 1834)
- Notomabuya frenata (COPE, 1863)
- Nucras intertexta (SMITH, 1838)
- Oligodon calamarius (LINNAEUS, 1758)
- Oligodon catenatus (BLYTH, 1855)
- Oligodon chinensis (GÜNTHER, 1888)
- Oligodon purpurascens (SCHLEGEL, 1837)
- Oligodon violaceus CANTOR, 1839
- Oligodon waandersi (BLEEKER, 1860)
- Omanosaura cyanura (ARNOLD, 1972)
- Omanosaura jayakari (BOULENGER, 1887)
- Ophiodes fragilis (RADDI, 1820)
- Ophiodes striatus (SPIX, 1824)
- Ophiomorus nuchalis NILSON & ANDREN, 1978
- Ophiomorus punctatissimus (BIBRON & BORY DE ST. VINCENT, 1833)
- Ophiophagus hannah (CANTOR, 1836)
- Ophisaurus ventralis (LINNAEUS, 1766)
- Ophisops elegans MÉNÉTRIES, 1832
- Ophisops jerdonii BLYTH, 1853
- Ophryacus smaragdinus GRÜNWALD, JONES, FRANZ-CHÁVEZ & AHUMADA-CARiLLO, 2015
- Ophryacus undulatus (JAN, 1859)
- Oplurus cuvieri GRAY, 1831
- Oplurus cyclurus (MERREM, 1820)
- Oplurus grandidieri (MOCQUARD, 1900)
- Oplurus quadrimaculatus DUMÉRIL & BIBRON, 1851
- Orientocoluber spinalis (PETERS, 1866)
- Ornithuroscincus venemai BRONGERSMA, 1953
- Osteolaemus osborni (SCHMIDT, 1919)
- Osteolaemus tetraspis COPE, 1861
- Otocryptis wiegmanni WAGLER, 1830
- Oxybelis aeneus (WAGLER, 1824)
- Oxybelis fulgidus (DAUDIN, 1803)
- Oxyrhabdium leporinum (GÜNTHER, 1858)
- Oxyrhabdium modestum (DUMÉRIL, 1853)
- Oxyrhopus clathratus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Oxyrhopus formosus (WIED-NEUWIED, 1820)
- Oxyrhopus guibei HOGE & ROMANO, 1977
- 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 ovahimba PARRINHA, MARQUES, PICELLI, JORDAAN, BISHOP-SCHOUSTER, HEINICKE, BAUER & CERÍACO, 2025
- Pachydactylus punctatus PETERS, 1854
- Palusophis bifossatus (RADDI, 1820)
- Panaspis togoensis (WERNER, 1902)
- Panaspis wahlbergii (SMITH, 1849)
- Pangshura sylhetensis JERDON, 1870
- Pantherophis alleghaniensis (HOLBROOK, 1836)
- Pantherophis guttatus (LINNAEUS, 1766)
- Pantherophis obsoletus (SAY, 1823)
- Pantherophis quadrivittatus (HOLBROOK, 1836)
- Paralaudakia caucasia (EICHWALD, 1831)
- Paralaudakia stoliczkana (BLANFORD, 1875)
- Pareas carinatus WAGLER, 1830
- Pareas margaritophorus (JAN, 1866)
- Pareas nuchalis (BOULENGER, 1900)
- Paroedura bastardi (MOCQUARD, 1900)
- Paroedura gracilis (BOULENGER, 1896)
- Paroedura guibeae DIXON & KROLL, 1974
- Paroedura oviceps (BOETTGER, 1881)
- Paroedura picta (PETERS, 1854)
- Paroedura stumpffi (BOETTGER, 1879)
- Parvoscincus decipiens (BOULENGER, 1895)
- 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 somalica PETZOLD, VARGAS-RAMÍREZ, KEHLMAIER, VAMBERGER, BRANCH, DU PREEZ, HOFMEYR, MEYER, SCHLEICHER, ŠIROKÝ & FRITZ, 2014
- Pelomedusa subrufa (BONNATERRE, 1789)
- Pelusios subniger (BONNATERRE, 1789)
- Phalotris bilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phalotris lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phalotris reticulatus (PETERS, 1860)
- Phalotris spegazzinii (BOULENGER, 1913)
- Phalotris suspectus (AMARAL, 1924)
- Phalotris tricolor (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phelsuma abbotti STEJNEGER, 1893
- Phelsuma astriata TORNIER, 1901
- Phelsuma borbonica MERTENS, 1966
- Phelsuma cepediana (MILBERT, 1812)
- Phelsuma comorensis BOETTGER, 1913
- Phelsuma dubia (BOETTGER, 1881)
- Phelsuma grandis GRAY, 1870
- Phelsuma guttata KAUDERN, 1922
- Phelsuma hielscheri RÖSLER, 2001
- Phelsuma inexpectata MERTENS, 1966
- Phelsuma kochi MERTENS, 1954
- Phelsuma laticauda (BOETTGER, 1880)
- Phelsuma lineata GRAY, 1842
- Phelsuma madagascariensis GRAY, 1831
- Phelsuma malamakibo NUSSBAUM, RAXWORTHY, RASELIMANANA & RAMANAMANJATO, 2000
- Phelsuma masohoala RAXWORTHY & NUSSBAUM, 1994
- Phelsuma modesta MERTENS, 1970
- Phelsuma mutabilis (GRANDIDIER, 1869)
- Phelsuma nigristriata MEIER, 1984
- Phelsuma parkeri LOVERIDGE, 1941
- Phelsuma pasteuri MEIER, 1984
- Phelsuma pusilla MERTENS, 1964
- Phelsuma quadriocellata PETERS, 1883
- Phelsuma robertmertensi MEIER, 1980
- Phelsuma serraticauda MERTENS, 1963
- Phelsuma standingi METHUEN & HEWITT, 1913
- Phelsuma sundbergi RENDAHL, 1939
- Phelsuma v-nigra BOETTGER, 1913
- Philodryas aestiva (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Philodryas agassizii (JAN, 1863)
- Philodryas baroni BERG, 1895
- Philodryas erlandi LÖNNBERG, 1902
- Philodryas mattogrossensis KOSLOWSKY, 1898
- Philodryas nattereri (STEINDACHNER, 1870)
- Philodryas olfersii (LICHTENSTEIN, 1823)
- Philodryas patagoniensis (GIRARD, 1858)
- Philothamnus battersbyi LOVERIDGE, 1951
- Philothamnus carinatus (ANDERSSON, 1901)
- Philothamnus heterodermus (HALLOWELL, 1857)
- Philothamnus hoplogaster (GÜNTHER, 1863)
- Philothamnus irregularis (LEACH, 1819)
- Philothamnus macrops (BOULENGER, 1895)
- Philothamnus nitidus (GÜNTHER, 1863)
- Philothamnus punctatus PETERS, 1867
- Philothamnus semivariegatus (SMITH, 1840)
- Phimophis guerini (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phoenicolacerta kulzeri (MÜLLER & WETTSTEIN, 1932)
- Phoenicolacerta laevis (GRAY, 1838)
- Phoenicolacerta troodica (WERNER, 1936)
- Pholidobolus dicrus (UZZELL, 1973)
- Pholidobolus vertebralis (O'SHAUGHNESSY, 1879)
- Pholidoscelis plei (DUMÉRIL & BIBRON, 1839)
- Phrynocephalus helioscopus (PALLAS, 1771)
- Phrynocephalus longicaudatus HAAS, 1957
- Phrynocephalus maculatus ANDERSON, 1872
- Phrynocephalus persicus DE FILIPPI, 1863
- Phrynocephalus scutellatus (OLIVIER, 1807)
- Phrynocephalus vlangalii STRAUCH, 1876
- Phrynops geoffroanus (SCHWEIGGER, 1812)
- Phrynops hilarii (DUMÉRIL & BIBRON, 1835)
- Phrynops tuberosus (PETERS, 1870)
- Phrynops williamsi RHODIN & MITTERMEIER, 1983
- Phrynosoma asio COPE, 1864
- Phrynosoma cornutum (HARLAN, 1825)
- Phrynosoma coronatum (BLAINVILLE, 1835)
- Phrynosoma platyrhinos GIRARD, 1852
- Phyllodactylus bordai TAYLOR, 1942
- Phyllodactylus bugastrolepis DIXON, 1966
- Phyllodactylus clinatus DIXON & HUEY, 1970
- Phyllodactylus davisi DIXON, 1964
- Phyllodactylus delcampoi MOSAUER, 1936
- Phyllodactylus gerrhopygus (WIEGMANN, 1834)
- Phyllodactylus homolepidurus SMITH, 1935
- Phyllodactylus isabelae CASTRO-FRANCO & URIBE-PENA, 1992
- Phyllodactylus kofordi DIXON & HUEY, 1970
- Phyllodactylus lanei SMITH, 1935
- Phyllodactylus lupitae CASTRO-FRANCO & URIBE-PENA, 1992
- Phyllodactylus magnus TAYLOR, 1942
- Phyllodactylus microphyllus COPE, 1875
- Phyllodactylus muralis TAYLOR, 1940
- Phyllodactylus nocticolus DIXON, 1964
- Phyllodactylus nolascoensis DIXON, 1964
- Phyllodactylus pachamama KOCH, FLECKS, VENEGAS, BIALKE, VALVERDE & RÖDDER, 2016
- Phyllodactylus partidus DIXON, 1966
- Phyllodactylus rupinus DIXON, 1964
- Phyllodactylus saxatilis DIXON, 1964
- Phyllodactylus sentosus DIXON & HUEY, 1970
- Phyllodactylus simpsoni ARTEAGA, BUSTAMANTE, VIEIRA, TAPIA & GUAYASAMIN, 2019
- Phyllodactylus tuberculosus WIEGMANN, 1834
- Phyllodactylus unctus (COPE, 1863)
- Phyllodactylus xanti COPE, 1863
- Phyllopezus periosus RODRIGUES, 1986
- Phyllopezus pollicaris (SPIX, 1825)
- Phyllurus platurus (SHAW, 1790)
- Phymaturus palluma (MOLINA, 1782)
- Physignathus cocincinus CUVIER, 1829
- Pinoyscincus abdictus (BROWN & ALCALA, 1980)
- Placosoma glabellum (PETERS, 1870)
- Platemys platycephala (SCHNEIDER, 1792)
- Platyceps bholanathi (SHARMA, 1976)
- Platyceps collaris (MÜLLER, 1878)
- Platyceps florulentus (GEOFFROY SAINT-HILAIRE, 1827)
- Platyceps karelini (BRANDT, 1838)
- Platyceps ladacensis (ANDERSON, 1871)
- Platyceps najadum (EICHWALD, 1831)
- Platyceps rhodorachis (JAN, 1863)
- Platysaurus maculatus BROADLEY, 1965
- Platysaurus relictus BROADLEY, 1976
- Platysternon megacephalum GRAY, 1831
- Plestiodon anthracinus BAIRD, 1849
- Plestiodon egregius BAIRD, 1858
- Plestiodon quadrilineatus BLYTH, 1853
- Plestiodon sumichrasti (COPE, 1867)
- Plica plica (LINNAEUS, 1758)
- Plica umbra (LINNAEUS, 1758)
- Pliocercus elapoides COPE, 1860
- Pliocercus euryzonus COPE, 1862
- Podarcis carbonelli PÉREZ-MELLADO, 1981
- Podarcis erhardii (BEDRIAGA, 1882)
- 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)
- Podocnemis lewyana DUMÉRIL, 1852
- Podocnemis sextuberculata CORNALIA, 1849
- Podocnemis unifilis TROSCHEL, 1848
- Podocnemis vogli MÜLLER, 1935
- Polemon acanthias (REINHARDT, 1861)
- Polemon barthii JAN, 1858
- Polemon christyi (BOULENGER, 1903)
- Polychrus acutirostris SPIX, 1825
- Porthidium arcosae SCHÄTTI & KRAMER, 1993
- Porthidium dunni (HARTWEG & OLIVER, 1938)
- Porthidium hespere (CAMPBELL, 1976)
- Porthidium lansbergii (SCHLEGEL, 1841)
- Porthidium nasutum (BOCOURT, 1868)
- Porthidium ophryomegas (BOCOURT, 1868)
- Porthidium porrasi LAMAR, 2003
- Porthidium yucatanicum (SMITH, 1941)
- Potamites ecpleopus (COPE, 1875)
- Proctoporus xestus (UZZELL, 1969)
- Prosymna ambigua BOCAGE, 1873
- Prosymna meleagris (REINHARDT, 1843)
- Prosymna stuhlmanni (PFEFFER, 1893)
- Protobothrops mucrosquamatus (CANTOR, 1839)
- Psammobates geometricus (LINNAEUS, 1758)
- Psammodromus algirus (LINNAEUS, 1758)
- Psammodromus blanci (LATASTE, 1880)
- Psammodynastes pictus GÜNTHER, 1858
- Psammodynastes pulverulentus (BOIE, 1827)
- Psammophilus dorsalis (GRAY, 1831)
- Psammophis crucifer (DAUDIN, 1803)
- Psammophis elegans (SHAW, 1802)
- Psammophis punctulatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Psammophis schokari (FORSKÅL, 1775)
- Psammophis sibilans (LINNAEUS, 1758)
- Psammophis subtaeniatus PETERS, 1882
- Pseudoboa nigra (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudoboodon gascae PERACCA, 1897
- Pseudoboodon lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudocalotes brevipes (WERNER, 1904)
- Pseudocerastes persicus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudoficimia frontalis (COPE, 1864)
- Pseudogekko brevipes (BOETTGER, 1897)
- Pseudohaje goldii (BOULENGER, 1895)
- Pseudohaje nigra GÜNTHER, 1858
- Pseudopus apodus (PALLAS, 1775)
- Pseudorabdion albonuchalis (GÜNTHER, 1896)
- Pseudorabdion collaris (MOCQUARD, 1892)
- Pseudorabdion longiceps (CANTOR, 1847)
- Pseudorabdion saravacense (SHELFORD, 1901)
- Pseudorabdion talonuran BROWN, LEVITON & SISON, 1999
- Pseudorabdion torquatum (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudoxyrhopus quinquelineatus (GÜNTHER, 1881)
- Psomophis genimaculatus (BOETTGER, 1885)
- Psomophis joberti (SAUVAGE, 1884)
- Psychosaura agmosticha (RODRIGUES, 2000)
- Ptyas dipsas (SCHLEGEL, 1837)
- Ptyas mucosa (LINNAEUS, 1758)
- Ptyodactylus bischoffsheimi BOUTAN, 1893
- Ptyodactylus guttatus HEYDEN, 1827
- Ptyodactylus hasselquistii (DONNDORFF, 1798)
- Ptyodactylus homolepis BLANFORD, 1876
- Ptyodactylus oudrii LATASTE, 1880
- Ptyodactylus puiseuxi BOUTAN, 1893
- Ptyodactylus ragazzii ANDERSON, 1898
- Ptyodactylus siphonorhina ANDERSON, 1896
- Pygopus lepidopodus (LACÉPÈDE, 1804)
- Python molurus (LINNAEUS, 1758)
- Python natalensis SMITH, 1840
- Python regius (SHAW, 1802)
- Python sebae (GMELIN, 1789)
- Pyxis arachnoides BELL, 1827
- Pyxis planicauda (GRANDIDIER, 1867)
- Quedenfeldtia trachyblepharus (BOETTGER, 1874)
- Rabdion forsteni DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Rabdion grovesi AMARASINGHE, VOGEL, MCGUIRE, SIDIK, SUPRIATNA & INEICH, 2015
- Rafetus euphraticus (DAUDIN, 1801)
- Rafetus swinhoei (GRAY, 1873)
- Ranacephala hogei (MERTENS, 1967)
- Rhabdophis helleri (SCHMIDT, 1925)
- Rhabdophis nuchalis (BOULENGER, 1891)
- Rhabdophis subminiatus (SCHLEGEL, 1837)
- Rhachidelus brazili BOULENGER, 1908
- Rhacodactylus auriculatus (BAVAY, 1869)
- Rhacodactylus leachianus (CUVIER, 1829)
- Rhacodactylus trachycephalus (BOULENGER, 1878)
- Rhacodactylus trachyrhynchus BOCAGE, 1873
- Rhadinella kinkelini (BOETTGER, 1898)
- Rhamnophis aethiopissa GÜNTHER, 1862
- Rhamphiophis maradiensis CHIRIO & INEICH, 1991
- Rhamphiophis rostratus PETERS, 1854
- Rhampholeon spectrum (BUCHHOLZ, 1874)
- Rhinemys rufipes (SPIX, 1824)
- Rhinobothryum bovallii (ANDERSSON, 1916)
- Rhinobothryum lentiginosum (SCOPOLI, 1785)
- Rhinoclemmys diademata (MERTENS, 1954)
- Rhinoclemmys melanosterna (GRAY, 1861)
- Rhinoclemmys nasuta (BOULENGER, 1902)
- Rhinoclemmys punctularia (DAUDIN, 1801)
- Rhinogekko femoralis (SMITH, 1933)
- Rhinogekko misonnei DE WITTE, 1973
- Rhynchocalamus melanocephalus (JAN, 1862)
- Rhynchocalamus satunini (NIKOLSKY, 1899)
- Rieppeleon kerstenii (PETERS, 1868)
- Riolama leucosticta (BOULENGER, 1900)
- Riopa vosmaerii (GRAY, 1839)
- Rodriguesophis chui (RODRIGUES, 1993)
- Rodriguesophis iglesiasi (GOMES, 1915)
- Rodriguesophis scriptorcibatus (RODRIGUES, 1993)
- Saara asmussi (STRAUCH, 1863)
- Sacalia bealei (GRAY, 1831)
- Sacalia quadriocellata (SIEBENROCK, 1903)
- Salvator merianae DUMÉRIL & BIBRON, 1839
- Sanzinia madagascariensis (DUMÉRIL & BIBRON, 1844)
- Sanzinia volontany VENCES & GLAW, 2004
- Sauromalus hispidus STEJNEGER, 1891
- Scaphiodontophis annulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Scaphiophis albopunctatus PETERS, 1870
- Scelarcis perspicillata (DUMÉRIL & BIBRON, 1839)
- Sceloporus aeneus WIEGMANN, 1828
- Sceloporus formosus WIEGMANN, 1834
- Sceloporus graciosus BAIRD & GIRARD, 1852
- Sceloporus grammicus WIEGMANN, 1828
- Sceloporus macdougalli SMITH & BUMZAHEM, 1953
- Sceloporus malachiticus COPE, 1864
- Sceloporus minor COPE, 1885
- Sceloporus poinsettii BAIRD & GIRARD, 1852
- Sceloporus siniferus COPE, 1870
- Sceloporus squamosus BOCOURT, 1874
- Sceloporus subniger POGLAYEN & SMITH, 1958
- Scelotes limpopoensis FITZSIMONS, 1930
- Scincella caudaequinae (SMITH, 1951)
- Scincella cherriei (COPE, 1893)
- Scincella incerta (STUART, 1940)
- Scincella lateralis (SAY, 1822)
- Scincella modesta (GÜNTHER, 1864)
- Scincella monticola (SCHMIDT, 1925)
- Scincus albifasciatus BOULENGER, 1890
- Scincus hemprichii WIEGMANN, 1837
- Scincus scincus (LINNAEUS, 1758)
- Scolecophis atrocinctus (SCHLEGEL, 1837)
- Senticolis triaspis (COPE, 1866)
- Shinisaurus crocodilurus AHL, 1930
- Sibon ayerbeorum VERA-PÉREZ, 2019
- Sibon dimidiatus (GÜNTHER, 1872)
- Sibon lamari SOLÓRZANO, 2001
- Sibon nebulatus (LINNAEUS, 1758)
- Sibynophis chinensis (GÜNTHER, 1889)
- Sibynophis sagittarius (CANTOR, 1839)
- Siderolamprus orobius (SAVAGE & LIPS, 1993)
- Siebenrockiella crassicollis (GRAY, 1831)
- Simophis rhinostoma (SCHLEGEL, 1837)
- Sinomicrurus iwasakii (MAKI, 1935)
- Sinomicrurus macclellandi (REINHARDT, 1844)
- Siphlophis compressus (DAUDIN, 1803)
- Siphlophis leucocephalus (GÜNTHER, 1863)
- Siphlophis pulcher (RADDI, 1820)
- Siphlophis worontzowi (PRADO, 1940)
- Sistrurus catenatus (RAFINESQUE, 1818)
- Sistrurus tergeminus (SAY, 1823)
- Smaug warreni (BOULENGER, 1908)
- Sonora mutabilis STICKEL, 1943
- Spalerosophis diadema (SCHLEGEL, 1837)
- Spalerosophis microlepis JAN, 1865
- Sphaerodactylus alphus MCCRANIE & HEDGES, 2013
- Sphaerodactylus fantasticus DUMÉRIL & BIBRON, 1836
- Sphaerodactylus macrolepis GÜNTHER, 1859
- Sphaerodactylus scaber BARBOUR & RAMSDEN, 1919
- Sphaerodactylus verdeluzicola DÍAZ-LAMEIRO, VILLAMIL, GAMBLE, PINTO, HERRERA-MARTÍNEZ, THOMAS, BERNSTEIN, TITUS-MCQUILLAN, NIELSEN, AGOSTO-TORRES, PUENTE-ROLÓN, BIRD-PICÓ, OLEKSYK, MARTÍNEZ-CRUZADO & DAZA, 2022
- Sphaerodactylus vincenti BOULENGER, 1891
- Sphenodon punctatus (GRAY, 1842)
- Sphenomorphus incognitus (THOMPSON, 1912)
- Sphenomorphus nigrolabris (GÜNTHER, 1873)
- Sphenomorphus tropidonotus (BOULENGER, 1897)
- Sphenomorphus variegatus (PETERS, 1867)
- Spilotes pullatus (LINNAEUS, 1758)
- Spilotes sulphureus (WAGLER, 1824)
- Spondylurus fulgidus COPE, 1862
- Spondylurus spilonotus (WIEGMANN, 1837)
- Spondylurus turksae HEDGES & CONN, 2012
- Staurotypus salvinii GRAY, 1864
- Stenocercus ica MENDOZA, RAMÍREZ, BARRERA & AGUILAR-PUNTRIANO, 2021
- Stenocercus modestus (TSCHUDI, 1845)
- Stenocercus ornatissimus (GIRARD, 1858)
- Stenorrhina degenhardtii (BERTHOLD, 1846)
- Stenorrhina freminvillei (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Sternotherus carinatus (GRAY, 1856)
- Sternotherus minor (AGASSIZ, 1857)
- Sternotherus odoratus (LATREILLE, 1802)
- Stigmochelys pardalis (BELL, 1828)
- Tachygyia microlepis (DUMÉRIL & BIBRON, 1839)
- Taeniophallus brevirostris (PETERS, 1863)
- Takydromus kuehnei VAN DENBURGH, 1909
- Takydromus wolteri FISCHER, 1885
- Tantilla alticola (BOULENGER, 1903)
- Tantilla boipiranga SAWAYA & SAZIMA, 2003
- Tantilla calamarina COPE, 1866
- Tantilla coronadoi HARTWEG, 1944
- Tantilla deppei (BOCOURT, 1883)
- Tantilla melanocephala (LINNAEUS, 1758)
- Tantilla palamala ESQUEDA, ROJAS-RUNJAIC, CORREA, ORTIZ, GUERRERO, JIMÉNEZ, BAZÓ, MORENO-PÉREZ, AGUILAR & URRA, 2025
- Tantilla sertula WILSON & CAMPBELL, 2000
- Tantilla taeniata BOCOURT, 1883
- Tantilla vermiformis (HALLOWELL, 1861)
- Tantillita lintoni (SMITH, 1940)
- Tarentola annularis (GEOFFROY SAINT-HILAIRE, 1827)
- Tarentola ephippiata O'SHAUGHNESSY, 1875
- Tarentola fascicularis (DAUDIN, 1802)
- Tarentola hoggarensis WERNER, 1937
- Tarentola mauritanica (LINNAEUS, 1758)
- Tarentola senegambiae JOGER, 1984
- Teira dugesii (MILNE-EDWARDS, 1829)
- Telescopus dhara (FORSKÅL, 1775)
- Telescopus fallax FLEISCHMANN, 1831
- Telescopus somalicus (PARKER, 1949)
- Telescopus variegatus (REINHARDT, 1843)
- Tenuidactylus caspius (EICHWALD, 1831)
- Tenuidactylus elongatus (BLANFORD, 1875)
- Tenuidactylus fedtschenkoi (STRAUCH, 1887)
- Tenuidactylus longipes (NIKOLSKY, 1896)
- Tenuidactylus turcmenicus (SZCZERBAK, 1978)
- Tenuidactylus voraginosus (LEVITON & ANDERSON, 1984)
- Teratoscincus bedriagai NIKOLSKY, 1900
- Teratoscincus keyserlingii STRAUCH, 1863
- Teratoscincus microlepis NIKOLSKY, 1900
- Teratoscincus przewalskii STRAUCH, 1887
- Teratoscincus rustamowi SZCZERBAK, 1979
- Teratoscincus scincus (SCHLEGEL, 1858)
- Terrapene carolina (LINNAEUS, 1758)
- Testudo graeca LINNAEUS, 1758
- Testudo hermanni GMELIN, 1789
- Testudo horsfieldii GRAY, 1844
- Testudo kleinmanni LORTET, 1883
- Testudo marginata SCHOEPFF, 1792
- Thamnodynastes pallidus (LINNAEUS, 1758)
- Thamnophis pulchrilatus (COPE, 1885)
- Thamnophis scalaris COPE, 1861
- Thamnophis sirtalis (LINNAEUS, 1758)
- Thamnosophis epistibes (CADLE, 1996)
- Thamnosophis infrasignatus (GÜNTHER, 1882)
- Thamnosophis lateralis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Thamnosophis martae (GLAW, FRANZEN & VENCES, 2005)
- Thamnosophis stumpffi (BOETTGER, 1881)
- Thecadactylus rapicauda (HOUTTUYN, 1782)
- Thelotornis capensis SMITH, 1849
- Thelotornis kirtlandii (HALLOWELL, 1844)
- Thelotornis mossambicanus (BOCAGE, 1895)
- Thelotornis oatesi GÜNTHER, 1881
- Thrasops occidentalis PARKER, 1940
- Tiliqua rugosa (GRAY, 1825)
- Tiliqua scincoides (WHITE, 1790)
- Timon lepidus (DAUDIN, 1802)
- Timon pater (LATASTE, 1880)
- Timon princeps (BLANFORD, 1874)
- Tomistoma schlegelii (MÜLLER, 1838)
- Toxicodryas blandingii (HALLOWELL, 1844)
- Toxicodryas pulverulenta (FISCHER, 1856)
- Trachemys adiutrix VANZOLINI, 1995
- Trachemys decorata (BARBOUR & CARR, 1940)
- Trachemys decussata (GRAY, 1831)
- Trachemys dorbigni (DUMÉRIL & BIBRON, 1835)
- Trachemys gaigeae (HARTWEG, 1939)
- Trachemys grayi (BOCOURT, 1868)
- Trachemys nebulosa (VAN DENBURGH, 1895)
- Trachemys scripta (THUNBERG, 1792)
- Trachemys stejnegeri SCHMIDT, 1928
- Trachemys terrapen (BONNATERRE, 1789)
- Trachemys venusta (GRAY, 1856)
- Trachischium fuscum (BLYTH, 1855)
- Trachischium monticola (CANTOR, 1839)
- Trachischium reticulata (BLYTH, 1855)
- Trachischium tenuiceps (BLYTH, 1855)
- Trachydactylus hajarensis (ARNOLD, 1980)
- Trachydactylus spatalurus (ANDERSON, 1901)
- Trachylepis affinis (GRAY, 1839)
- Trachylepis albilabris (HALLOWELL, 1857)
- Trachylepis atlantica (SCHMIDT, 1945)
- Trachylepis aureogularis (MÜLLER, 1885)
- Trachylepis boulengeri (STERNFELD, 1911)
- Trachylepis brevicollis (WIEGMANN, 1837)
- Trachylepis buettneri (MATSCHIE, 1893)
- Trachylepis elegans (PETERS, 1854)
- Trachylepis gonwouoi ALLEN, TAPONDJOU, WELTON & BAUER, 2017
- Trachylepis gravenhorstii (DUMÉRIL & BIBRON, 1839)
- Trachylepis maculilabris (GRAY, 1845)
- Trachylepis margaritifer (PETERS, 1854)
- Trachylepis mekuana (CHIRIO & INEICH, 2001)
- Trachylepis notabilis (PETERS, 1879)
- Trachylepis occidentalis (PETERS, 1867)
- Trachylepis paucisquamis (HOOGMOED, 1978)
- Trachylepis perrotetii (DUMÉRIL & BIBRON, 1839)
- Trachylepis planifrons (PETERS, 1878)
- Trachylepis polytropis (BOULENGER, 1903)
- Trachylepis quinquetaeniata (LICHTENSTEIN, 1823)
- Trachylepis striata (PETERS, 1844)
- Trachylepis tessellata (ANDERSON, 1895)
- Trachylepis varia (PETERS, 1867)
- Trapelus agilis (OLIVIER, 1807)
- Trapelus persicus (BLANFORD, 1881)
- Trapelus ruderatus (OLIVIER, 1804)
- Tretanorhinus variabilis DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Trilepida brasiliensis (LAURENT, 1949)
- Trilepida joshuai (DUNN, 1944)
- Trilepida macrolepis (PETERS, 1858)
- Trilepida salgueiroi (AMARAL, 1955)
- Trimeresurus flavomaculatus (GRAY, 1842)
- Trimeresurus malcolmi LOVERIDGE, 1938
- Trimeresurus mcgregori TAYLOR, 1919
- Trimeresurus stejnegeri SCHMIDT, 1925
- Trimeresurus sumatranus (RAFFLES, 1822)
- Trimeresurus yunnanensis SCHMIDT, 1925
- Trimorphodon biscutatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Trimorphodon lambda COPE, 1886
- Trimorphodon lyrophanes (COPE, 1860)
- Trioceros cristatus (STUTCHBURY, 1837)
- Trioceros ellioti (GÜNTHER, 1895)
- Trioceros jacksonii (BOULENGER, 1896)
- Trioceros montium (BUCHHOLZ, 1874)
- Trioceros oweni (GRAY, 1831)
- Trioceros pfefferi (TORNIER, 1900)
- Trioceros quadricornis (TORNIER, 1899)
- Trioceros wiedersheimi (NIEDEN, 1910)
- Trionyx triunguis (FORSKÅL, 1775)
- Tropidodryas serra (SCHLEGEL, 1837)
- Tropidodryas striaticeps (COPE, 1870)
- Tropidolaemus subannulatus (GRAY, 1842)
- Tropidophis boulengeri (PERACCA, 1910)
- Tropidophis bucculentus (COPE, 1868)
- Tropidophis maculatus (BIBRON, 1840)
- Tropidophis melanurus (SCHLEGEL, 1837)
- Tropidophis pardalis (GUNDLACH, 1840)
- Tropidophorus baconi HIKIDA, RIYANTO & OTA, 2003
- Tropidophorus grayi GÜNTHER, 1861
- Tropidophorus hainanus SMITH, 1923
- Tropidophorus micropus LIDTH DE JEUDE, 1905
- Tropidophorus misaminius STEJNEGER, 1908
- Tropidurus hispidus (SPIX, 1825)
- Tropidurus hygomi REINHARDT & LÜTKEN, 1862
- Tropidurus semitaeniatus (SPIX, 1825)
- Tropidurus torquatus (WIED-NEUWIED, 1820)
- Tropiocolotes scorteccii CHERCHI & SPANO, 1963
- Tropiocolotes steudneri (PETERS, 1869)
- Tropiocolotes tripolitanus PETERS, 1880
- Tupinambis quadrilineatus MANZANI & ABE, 1997
- Tupinambis teguixin (LINNAEUS, 1758)
- Typhlops lumbricalis (LINNAEUS, 1758)
- Ungaliophis continentalis MÜLLER, 1880
- Uracentron azureum (LINNAEUS, 1758)
- Uracentron flaviceps (GUICHENOT, 1855)
- Uranoscodon superciliosus (LINNAEUS, 1758)
- Uromastyx acanthinura BELL, 1825
- Uromastyx aegyptia (FORSKÅL, 1775)
- Uromastyx dispar HEYDEN, 1827
- Uromastyx ornata HEYDEN, 1827
- Uromastyx princeps O'SHAUGHNESSY, 1880
- Uromastyx thomasi PARKER, 1930
- Uroplatus alluaudi MOCQUARD, 1894
- Uroplatus ebenaui (BOETTGER, 1879)
- Uroplatus fetsy RATSOAVINA, SCHERZ, TOLLEY, RASELIMANANA, GLAW & VENCES, 2019
- Uroplatus fimbriatus (SCHNEIDER, 1797)
- Uroplatus fotsivava RATSOAVINA, GEHRING, SCHERZ, VIEITES, GLAW & VENCES, 2017
- Uroplatus giganteus GLAW, KOSUCH, HENKEL, SOUND & BÖHME, 2006
- Uroplatus guentheri MOCQUARD, 1908
- Uroplatus henkeli BÖHME & IBISCH, 1990
- Uroplatus kelirambo RATSOAVINA, GEHRING, SCHERZ, VIEITES, GLAW & VENCES, 2017
- Uroplatus lineatus (DUMÉRIL & BIBRON, 1836)
- Uroplatus phantasticus (BOULENGER, 1888)
- Uroplatus sameiti BÖHME & IBISCH, 1990
- Uroplatus sikorae BOETTGER, 1913
- Urosaurus bicarinatus (DUMÉRIL, 1856)
- Urostrophus undulatus (WIEGMANN, 1834)
- Urostrophus vautieri DUMÉRIL & BIBRON, 1837
- Urotheca dumerilii (BIBRON, 1840)
- Urotheca fulviceps (COPE, 1886)
- Urotheca myersi SAVAGE & LAHANAS, 1989
- Vanzosaura rubricauda (BOULENGER, 1902)
- Varanus albigularis (DAUDIN, 1802)
- Varanus beccarii (DORIA, 1874)
- Varanus bengalensis (DAUDIN, 1802)
- Varanus boehmei JACOBS, 2003
- Varanus caspius (EICHWALD, 1831)
- Varanus chlorostigma (GRAY, 1831)
- Varanus colei BÖHME, JACOBS, KOPPETSCH & SCHMITZ, 2019
- Varanus doreanus (MEYER, 1874)
- Varanus dumerilii SCHLEGEL, 1839
- Varanus exanthematicus (BOSC, 1792)
- Varanus finschi BÖHME, HORN & ZIEGLER, 1994
- Varanus flavescens (HARDWICKE & GRAY, 1827)
- Varanus giganteus (GRAY, 1845)
- Varanus gilleni LUCAS & FROST, 1895
- Varanus glebopalma MITCHELL, 1955
- Varanus gouldii (GRAY, 1838)
- Varanus griseus (DAUDIN, 1803)
- Varanus indicus (DAUDIN, 1802)
- Varanus jobiensis AHL, 1932
- Varanus juxtindicus BÖHME, PHILIPP & ZIEGLER, 2002
- Varanus komodoensis OUWENS, 1912
- Varanus kordensis (MEYER, 1874)
- Varanus macraei BÖHME & JACOBS, 2001
- Varanus mertensi GLAUERT, 1951
- Varanus nebulosus (GRAY, 1831)
- Varanus niloticus (LINNAEUS, 1766)
- Varanus orientalis FRY, 1913
- Varanus panoptes STORR, 1980
- Varanus prasinus (SCHLEGEL, 1839)
- Varanus rainerguentheri ZIEGLER, BÖHME & SCHMITZ, 2007
- Varanus rosenbergi MERTENS, 1957
- Varanus rudicollis (GRAY, 1845)
- Varanus salvator (LAURENTI, 1768)
- Varanus similis MERTENS, 1958
- Varanus spenceri LUCAS & FROST, 1903
- Varanus storri MERTENS, 1966
- Varanus timorensis (GRAY, 1831)
- Varanus tristis SCHLEGEL, 1839
- Varanus varius (SHAW, 1790)
- Varanus zugorum BÖHME & ZIEGLER, 2005
- Vermicella annulata (GRAY, 1841)
- Vipera ammodytes (LINNAEUS, 1758)
- Vipera aspis (LINNAEUS, 1758)
- Vipera berus (LINNAEUS, 1758)
- Vipera darevskii VEDMEDERJA, ORLOV & TUNIYEV, 1986
- Vipera eriwanensis (REUSS, 1933)
- Vipera kaznakovi NIKOLSKY, 1909
- Vipera latastei BOSCA, 1878
- Vipera meridionalis BOULENGER, 1903
- Vipera monticola SAINT GIRONS, 1953
- Vipera nikolskii VEDMEDERYA, GRUBANT & RUDAJEWA, 1986
- Vipera seoanei LATASTE, 1879
- Vipera ursinii (BONAPARTE, 1835)
- Walterinnesia aegyptia LATASTE, 1887
- Wetmorena haetiana COCHRAN, 1927
- Wetmorena mylica SCHWARTZ, 1965
- Wetmorena surda SCHWARTZ, 1965
- Xenochrophis trianguligerus (BOIE, 1827)
- Xenodermus javanicus REINHARDT, 1836
- Xenodon histricus (JAN, 1863)
- Xenodon merremii (WAGLER, 1824)
- Xenodon neuwiedii GÜNTHER, 1863
- Xenodon rabdocephalus (WIED-NEUWIED, 1824)
- Xenopeltis unicolor REINWARDT, 1827
- Xenopholis scalaris (WUCHERER, 1861)
- Xenopholis undulatus (JENSEN, 1900)
- Xenosaurus platyceps KING & THOMPSON, 1968
- Xenoxybelis argenteus (DAUDIN, 1803)
- Xerotyphlops vermicularis (MERREM, 1820)
- Xylophis stenorhynchus (GÜNTHER, 1875)
- Zamenis hohenackeri (STRAUCH, 1873)
- Zamenis longissimus (LAURENTI, 1768)
- Zamenis scalaris (SCHINZ, 1822)
- Zamenis situla (LINNAEUS, 1758)
- Zonosaurus karsteni (GRANDIDIER, 1869)
- Zonosaurus laticaudatus (GRANDIDIER, 1869)
- Zonosaurus madagascariensis (GRAY, 1831)
- Zonosaurus ornatus (GRAY, 1831)
- Zonosaurus subunicolor (BOETTGER, 1881)
- Zootoca vivipara (LICHTENSTEIN, 1823)