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Species found: 2293
- Ablepharus anatolicus SCHMIDTLER, 1997
- Ablepharus bivittatus (MENETRIES, 1832)
- Ablepharus budaki GÖCMEN, KUMLUTAS & TOSUNOGLU, 1996
- Ablepharus chernovi DAREVSKY, 1953
- Ablepharus kitaibelii COCTEAU, 1833
- Ablepharus pannonicus (LICHTENSTEIN, 1823)
- Abronia frosti CAMPBELL, SASA, ACEVEDO & MENDELSON, 1998
- Abronia moreletii (BOCOURT, 1872)
- Acanthocercus atricollis (SMITH, 1849)
- Acanthocercus ceriacoi MARQUES, PARRINHA, SANTOS, BANDEIRA, BUTLER, SOUSA, BAUER & WAGNER, 2022
- Acanthochelys macrocephala (RHODIN, MITTERMEIER & MCMORRIS, 1984)
- Acanthochelys pallidipectoris (FREIBERG, 1945)
- Acanthodactylus aureus GÜNTHER, 1903
- Acanthodactylus boskianus (DAUDIN, 1802)
- Acanthodactylus erythrurus (SCHINZ, 1833)
- Acanthodactylus maculatus (GRAY, 1838)
- Acanthodactylus margaritae TAMAR, GENIEZ, BRITO & CROCHET, 2017
- Acanthodactylus schreiberi BOULENGER, 1878
- Acanthodactylus tristrami (GÜNTHER, 1864)
- Acanthophis antarcticus (SHAW, 1802)
- Acanthosaura crucigera BOULENGER, 1885
- Acanthosaura hainanensis BOULENGER, 1900
- Acanthosaura lepidogaster (CUVIER, 1829)
- Acontias cregoi (BOULENGER, 1903)
- Acontias gracilicauda ESSEX, 1925
- Acontias meleagris (LINNAEUS, 1758)
- Acrantophis dumerili JAN, 1860
- Acritoscincus duperreyi (GRAY, 1838)
- Acrochordus granulatus (SCHNEIDER, 1799)
- Actinemys marmorata (BAIRD & GIRARD, 1852)
- Actinemys pallida (SEELIGER, 1945)
- Adelphostigma occipitalis (JAN, 1863)
- Afrotyphlops angolensis (BOCAGE, 1866)
- Afrotyphlops anomalus (BOCAGE, 1873)
- Afrotyphlops dinga (PETERS, 1854)
- Afrotyphlops liberiensis (HALLOWELL, 1848)
- Afrotyphlops punctatus (LEACH, 1819)
- Afrotyphlops schlegelii (BIANCONI, 1849)
- Afrotyphlops steinhausi (WERNER, 1909)
- Agama aculeata MERREM, 1820
- Agama africana (HALLOWELL, 1844)
- Agama agama (LINNAEUS, 1758)
- Agama atra DAUDIN, 1802
- Agama bibronii DUMÉRIL, 1851
- Agama boueti CHABANAUD, 1917
- Agama cristata MOCQUARD, 1905
- Agama doriae BOULENGER, 1885
- Agama finchi BÖHME, WAGNER, MALONZA, LÖTTERS & KÖHLER, 2005
- Agama hispida (KAUP, 1827)
- Agama insularis CHABANAUD, 1918
- Agama lionotus BOULENGER, 1896
- Agama paragama GRANDISON, 1968
- Agama rueppelli VAILLANT, 1882
- Agama spinosa GRAY, 1831
- Agkistrodon bilineatus GÜNTHER, 1863
- Agkistrodon contortrix (LINNAEUS, 1766)
- Agkistrodon laticinctus GLOYD & CONANT, 1934
- Agkistrodon piscivorus (LACÉPÈDE, 1789)
- Ahaetulla anomala (ANNANDALE, 1906)
- Ahaetulla mycterizans (LINNAEUS, 1758)
- Ahaetulla nasuta (LACÉPÈDE, 1789)
- Ahaetulla prasina (BOIE, 1827)
- Ahaetulla pulverulenta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Ailuronyx seychellensis (DUMÉRIL & BIBRON, 1836)
- Ailuronyx tachyscopaeus GERLACH & CANNING, 1996
- Ailuronyx trachygaster (DUMÉRIL, 1851)
- Aipysurus apraefrontalis SMITH, 1926
- Aipysurus duboisii BAVAY, 1869
- Aipysurus foliosquama SMITH, 1926
- Aipysurus fuscus (TSCHUDI, 1837)
- Aipysurus laevis LACÉPÈDE, 1804
- Aipysurus mosaicus SANDERS, RASMUSSEN, ELMBERG, MUMPUNI, GUINEA, BLIAS, LEE & FRY, 2012
- Aipysurus pooleorum SMITH, 1974
- Aipysurus tenuis LÖNNBERG & ANDERSSON, 1913
- Aldabrachelys gigantea (SCHWEIGGER, 1812)
- Alligator mississippiensis (DAUDIN, 1801)
- Alligator sinensis FAUVEL, 1879
- Alopoglossus brevifrontalis (BOULENGER, 1912)
- Alopoglossus festae (PERACCA, 1896)
- Alopoglossus plicatus TAYLOR, 1949
- Altiphylax baturensis (KHAN & BAIG, 1992)
- Altiphylax tokobajevi (EREMCHENKO & SZCZERBAK, 1984)
- Amastridium veliferum COPE, 1861
- Amblyodipsas polylepis (BOCAGE, 1873)
- Ameiva ameiva (LINNAEUS, 1758)
- Ameiva praesignis (BAIRD & GIRARD, 1852)
- Ameivula abalosi (CABRERA, 2012)
- Ameivula ocellifera (SPIX, 1825)
- Amerotyphlops brongersmianus (VANZOLINI, 1976)
- Amerotyphlops reticulatus (LINNAEUS, 1758)
- Amphibolurus muricatus (WHITE, 1790)
- Amphiesma stolatum (LINNAEUS, 1758)
- Amphisbaena alba LINNAEUS, 1758
- Amphisbaena angustifrons COPE, 1861
- Amphisbaena bolivica MERTENS, 1929
- Amphisbaena camura COPE, 1862
- Amphisbaena carvalhoi GANS, 1965
- Amphisbaena darwinii DUMÉRIL & BIBRON, 1839
- Amphisbaena fuliginosa LINNAEUS, 1758
- Amphisbaena hyporissor THOMAS, 1965
- Amphisbaena medemi GANS & MATHERS, 1977
- Amphisbaena munoai KLAPPENBACH, 1960
- Amphisbaena silvestrii BOULENGER, 1902
- Amphisbaena steindachneri STRAUCH, 1881
- Amphisbaena vermicularis WAGLER, 1824
- Amyda cartilaginea (BODDAERT, 1770)
- Anatololacerta finikensis (EISELT & SCHMIDTLER, 1987)
- Anatololacerta pelasgiana (MERTENS, 1959)
- Ancylodactylus spinicollis MÜLLER, 1907
- Anguis fragilis LINNAEUS, 1758
- Anilius scytale (LINNAEUS, 1758)
- Anniella pulchra GRAY, 1852
- Anolis acutus HALLOWELL, 1856
- Anolis aeneus GRAY, 1840
- Anolis aequatorialis WERNER, 1894
- Anolis agueroi (DIAZ, NAVARRO & GARRIDO, 1998)
- Anolis ahli BARBOUR, 1925
- Anolis aliniger MERTENS, 1939
- Anolis allisoni BARBOUR, 1928
- Anolis allogus BARBOUR & RAMSDEN, 1919
- Anolis altae DUNN, 1930
- Anolis altavelensis NOBLE & HASSLER, 1933
- Anolis altitudinalis GARRIDO, 1985
- Anolis alumina HERTZ, 1976
- Anolis alutaceus COPE, 1861
- Anolis alvarezdeltoroi NIETO MONTES DE OCA, 1996
- Anolis amplisquamosus (MCCRANIE, WILSON & WILLIAMS, 1993)
- Anolis anchicayae POE, VELASCO, MIYATA & WILLIAMS, 2009
- Anolis anfiloquioi GARRIDO, 1980
- Anolis angusticeps HALLOWELL, 1856
- Anolis anisolepis SMITH, BURLEY & FRITTS, 1968
- Anolis antioquiae WILLIAMS, 1985
- Anolis antonii BOULENGER, 1908
- Anolis apletolepis KÖHLER & HEDGES, 2016
- Anolis aquaticus TAYLOR, 1956
- Anolis argenteolus COPE, 1861
- Anolis argillaceus COPE, 1863
- Anolis armouri (COCHRAN, 1934)
- Anolis auratus DAUDIN, 1802
- Anolis aurifer SCHWARTZ, 1968
- Anolis bahorucoensis NOBLE & HASSLER, 1933
- Anolis baleatus (COPE, 1864)
- Anolis baracoae SCHWARTZ, 1964
- Anolis barahonae WILLIAMS, 1962
- Anolis barbatus (GARRIDO, 1982)
- Anolis barbouri (SCHMIDT, 1919)
- Anolis bartschi (COCHRAN, 1928)
- Anolis bellipeniculus (MYERS & DONNELLY, 1996)
- Anolis benedikti LOTZKAT, BIENENTREU, HERTZ & KÖHLER, 2011
- Anolis bicaorum (KÖHLER, 1996)
- Anolis bimaculatus (SPARRMAN, 1784)
- Anolis binotatus PETERS, 1863
- Anolis biporcatus (WIEGMANN, 1834)
- Anolis bombiceps COPE, 1875
- Anolis boulengerianus THOMINOT, 1887
- Anolis bremeri BARBOUR, 1914
- Anolis breslini SCHWARTZ, 1980
- Anolis brevirostris BOCOURT, 1870
- Anolis brunneus COPE, 1894
- Anolis calimae AYALA, HARRIS & WILLIAMS, 1983
- Anolis callainus KÖHLER & HEDGES, 2020
- Anolis capito PETERS, 1863
- Anolis carlliebi KÖHLER, TREJO-PÉREZ, PETERSEN & MÉNDEZ DE LA CRUZ, 2014
- Anolis carlostoddi (WILLIAMS, PRADERIO & GORZULA, 1996)
- Anolis carolinensis VOIGT, 1832
- Anolis casildae AROSEMENA, IBÁÑEZ & DE SOUSA, 1991
- Anolis caudalis COCHRAN, 1932
- Anolis centralis PETERS, 1970
- Anolis chamaeleonides DUMÉRIL & BIBRON, 1837
- Anolis chloris BOULENGER, 1898
- Anolis chlorocyanus DUMÉRIL & BIBRON, 1837
- Anolis chlorodius KÖHLER & HEDGES, 2016
- Anolis christophei WILLIAMS, 1960
- Anolis chrysolepis DUMÉRIL & BIBRON, 1837
- Anolis chrysops LAZELL, 1964
- Anolis clivicola BARBOUR & SHREVE, 1935
- Anolis cobanensis STUART, 1942
- Anolis concolor COPE, 1863
- Anolis conspersus GARMAN, 1887
- Anolis cooki GRANT, 1931
- Anolis crassulus COPE, 1864
- Anolis cristatellus DUMÉRIL & BIBRON, 1837
- Anolis cupeyalensis PETERS, 1970
- Anolis cupreus HALLOWELL, 1860
- Anolis cuprinus SMITH, 1964
- Anolis cusuco (MCCRANIE, KÖHLER & WILSON, 2000)
- Anolis cuvieri MERREM, 1820
- Anolis cyanopleurus COPE, 1861
- Anolis cyanostictus MERTENS, 1939
- Anolis cybotes COPE, 1863
- Anolis cymbops COPE, 1864
- Anolis darlingtoni (COCHRAN, 1935)
- Anolis datzorum KÖHLER, PONCE, SUNYER & BATISTA, 2007
- Anolis delafuentei GARRIDO, 1982
- Anolis demissus SCHWARTZ, 1969
- Anolis desechensis HEATWOLE, 1976
- Anolis desiradei LAZELL, 1964
- Anolis dissimilis WILLIAMS, 1965
- Anolis distichus COPE, 1861
- Anolis dolichocephalus WILLIAMS, 1963
- Anolis dollfusianus BOCOURT, 1873
- Anolis doris BARBOUR, 1925
- Anolis duellmani FITCH & HENDERSON, 1973
- Anolis dunni SMITH, 1936
- Anolis eladioi KÖHLER & HEDGES, 2016
- Anolis equestris MERREM, 1820
- Anolis ernestwilliamsi LAZELL, 1983
- Anolis etheridgei WILLIAMS, 1962
- Anolis eugenegrahami SCHWARTZ, 1978
- Anolis eulaemus BOULENGER, 1908
- Anolis euskalerriari (BARROS, WILLIAMS & VILORIA, 1996)
- Anolis evermanni STEJNEGER, 1904
- Anolis extremus GARMAN, 1887
- Anolis fairchildi BARBOUR & SHREVE, 1935
- Anolis fasciatus BOULENGER, 1885
- Anolis ferreus (COPE, 1864)
- Anolis festae PERACCA, 1904
- Anolis fitchi WILLIAMS & DUELLMAN, 1984
- Anolis forresti BARBOUR, 1923
- Anolis fortunensis AROSEMENA & IBÁÑEZ, 1993
- Anolis fowleri SCHWARTZ, 1973
- Anolis fraseri GÜNTHER, 1859
- Anolis frenatus COPE, 1899
- Anolis fugitivus GARRIDO, 1975
- Anolis fungosus MYERS, 1971
- Anolis fuscoauratus D’ORBIGNY, 1837
- Anolis gadovii BOULENGER, 1905
- Anolis garmani STEJNEGER, 1899
- Anolis gemmosus O'SHAUGHNESSY, 1875
- Anolis ginaelisae (LOTZKAT, HERTZ, BIENENTREU & KÖHLER, 2013)
- Anolis gingivinus COPE, 1864
- Anolis gonavensis KÖHLER & HEDGES, 2016
- Anolis gracilipes BOULENGER, 1898
- Anolis grahami GRAY, 1845
- Anolis granuliceps BOULENGER, 1898
- Anolis griseus GARMAN, 1887
- Anolis gruuo KÖHLER, PONCE, SUNYER & BATISTA, 2007
- Anolis guamuhaya (GARRIDO, PÉREZ-BEATO & MORENO, 1991)
- Anolis guazuma GARRIDO, 1984
- Anolis gundlachi PETERS, 1877
- Anolis haguei STUART, 1942
- Anolis hendersoni COCHRAN, 1923
- Anolis heterodermus DUMÉRIL, 1851
- Anolis homolechis (COPE, 1864)
- Anolis humilis PETERS, 1863
- Anolis ibanezi POE, LATELLA, RYAN & SCHAAD, 2009
- Anolis imias RUIBAL & WILLIAMS, 1961
- Anolis immaculogularis KÖHLER, TREJO-PÉREZ, PETERSEN & MÉNDEZ DE LA CRUZ, 2014
- Anolis incredulus GARRIDO & MORENO, 1998
- Anolis inexpectatus GARRIDO & ESTRADA, 1989
- Anolis insignis COPE, 1871
- Anolis insolitus WILLIAMS & RAND, 1969
- Anolis isolepis (COPE, 1861)
- Anolis johnmeyeri WILSON & MCCRANIE, 1982
- Anolis juangundlachi GARRIDO, 1975
- Anolis jubar SCHWARTZ, 1968
- Anolis kahouannensis LAZELL, 1964
- Anolis kemptoni DUNN, 1940
- Anolis koopmani RAND, 1961
- Anolis kreutzi (MCCRANIE, KÖHLER & WILSON, 2000)
- Anolis krugi PETERS, 1877
- Anolis kunayalae HULEBAK, POE, IBÁÑEZ & WILLIAMS, 2007
- Anolis laevis (COPE, 1875)
- Anolis laeviventris (WIEGMANN, 1834)
- Anolis leachii DUMÉRIL & BIBRON, 1837
- Anolis lemniscatus BOULENGER, 1898
- Anolis lemurinus COPE, 1861
- Anolis leucodera KÖHLER & HEDGES, 2016
- Anolis limifrons COPE, 1863
- Anolis lineatopus GRAY, 1840
- Anolis liogaster BOULENGER, 1905
- Anolis lionotus COPE, 1861
- Anolis lividus GARMAN, 1887
- Anolis longiceps SCHMIDT, 1919
- Anolis longitibialis NOBLE, 1923
- Anolis lososi TORRES-CARVAJAL, AYALA-VARELA, LOBOS, POE & NARVÁEZ, 2017
- Anolis loysiana (COCTEAU, 1836)
- Anolis luciae GARMAN, 1887
- Anolis lucius DUMÉRIL & BIBRON, 1837
- Anolis luteogularis NOBLE & HASSLER, 1935
- Anolis luteosignifer GARMAN, 1888
- Anolis lynchi MIYATA, 1985
- Anolis lyra POE, VELASCO, MIYATA & WILLIAMS, 2009
- Anolis macrinii SMITH, 1968
- Anolis macrophallus WERNER, 1917
- Anolis maculigula WILLIAMS, 1984
- Anolis maculiventris BOULENGER, 1898
- Anolis magnaphallus POE & IBÁÑEZ, 2007
- Anolis marcanoi WILLIAMS, 1975
- Anolis mariarum BARBOUR, 1932
- Anolis marmoratus DUMÉRIL & BIBRON, 1837
- Anolis marron ARNOLD, 1980
- Anolis matudai SMITH, 1956
- Anolis maynardii GARMAN, 1888
- Anolis mccraniei (KÖHLER, TOWNSEND & PETERSEN, 2016)
- Anolis megapholidotus SMITH, 1933
- Anolis menta AYALA, HARRIS & WILLIAMS, 1984
- Anolis meridionalis BOETTGER, 1885
- Anolis mestrei BARBOUR & RAMSDEN, 1916
- Anolis microlepidotus DAVIS, 1954
- Anolis microtus COPE, 1871
- Anolis milleri SMITH, 1950
- Anolis mirus WILLIAMS, 1963
- Anolis monensis STEJNEGER, 1904
- Anolis monticola SHREVE, 1936
- Anolis nasofrontalis AMARAL, 1933
- Anolis naufragus (CAMPBELL, HILLIS & LAMAR, 1989)
- Anolis neblininus (MYERS, WILLIAMS & MCDIARMID, 1993)
- Anolis nebuloides BOCOURT, 1873
- Anolis nebulosus (WIEGMANN, 1834)
- Anolis nelsoni BARBOUR, 1914
- Anolis nicefori (DUNN, 1944)
- Anolis noblei BARBOUR & SHREVE, 1935
- Anolis notopholis BOULENGER, 1896
- Anolis nubilus GARMAN, 1887
- Anolis occultus WILLIAMS & RIVERO, 1965
- Anolis ocelloscapularis (KÖHLER, MCCRANIE & WILSON, 2001)
- Anolis oculatus (COPE, 1879)
- Anolis oligaspis COPE, 1894
- Anolis olssoni SCHMIDT, 1919
- Anolis omiltemanus DAVIS, 1954
- Anolis opalinus GOSSE, 1850
- Anolis ophiolepis COPE, 1861
- Anolis oporinus GARRIDO & HEDGES, 2001
- Anolis ortonii COPE, 1868
- Anolis otongae AYALA-VARELA & VELASCO, 2010
- Anolis oxylophus COPE, 1875
- Anolis pachypus COPE, 1875
- Anolis parilis WILLIAMS, 1975
- Anolis parvicirculatus ÁLVAREZ DEL TORO & SMITH, 1956
- Anolis paternus HARDY, 1967
- Anolis pecuarius SCHWARTZ, 1969
- Anolis pentaprion COPE, 1863
- Anolis peraccae BOULENGER, 1898
- Anolis peruensis POE, LATELLA, AYALA-VARELA, YAÑEZ-MIRANDA & TORRES-CARVAJAL, 2015
- Anolis petersii BOCOURT, 1873
- Anolis peucephilus KÖHLER, TREJO-PÉREZ, PETERSEN, MENDEZ DE LA CRUZ, 2014
- Anolis pigmaequestris GARRIDO, 1975
- Anolis pijolensis (MCCRANIE, WILSON & WILLIAMS, 1993)
- Anolis pinchoti COCHRAN, 1931
- Anolis placidus HEDGES & THOMAS, 1989
- Anolis podocarpus AYALA-VARELA & TORRES-CARVAJAL, 2010
- Anolis poecilopus COPE, 1863
- Anolis poei AYALA-VARELA, TROYA-RODRIGUEZ, TALERO-RODRIGUEZ & TORRES-CARVAJAL, 2014
- Anolis pogus LAZELL, 1972
- Anolis polylepis PETERS, 1874
- Anolis poncensis STEJNEGER, 1904
- Anolis porcatus GRAY, 1840
- Anolis porcus (COPE, 1864)
- Anolis prasinorius KÖHLER & HEDGES, 2016
- Anolis princeps BOULENGER, 1902
- Anolis proboscis PETERS & ORCES, 1956
- Anolis propinquus WILLIAMS, 1984
- Anolis pseudokemptoni KÖHLER, PONCE, SUNYER & BATISTA, 2007
- Anolis pseudopachypus KÖHLER, PONCE, SUNYER & BATISTA, 2007
- Anolis pseudotigrinus AMARAL, 1933
- Anolis pulchellus DUMÉRIL & BIBRON, 1837
- Anolis pumilus GARRIDO, 1988
- Anolis punctatus DAUDIN, 1802
- Anolis purpurescens COPE, 1899
- Anolis purpurgularis (MCCRANIE, CRUZ & HOLM, 1993)
- Anolis quadriocellifer BARBOUR & RAMSDEN, 1919
- Anolis quaggulus COPE, 1885
- Anolis quercorum FITCH, 1978
- Anolis ravifaux SCHWARTZ & HENDERSON, 1982
- Anolis reconditus UNDERWOOD & WILLIAMS, 1959
- Anolis rejectus GARRIDO & SCHWARTZ, 1972
- Anolis richardii DUMÉRIL & BIBRON, 1837
- Anolis ricordii DUMÉRIL & BIBRON, 1837
- Anolis rimarum THOMAS & SCHWARTZ, 1967
- Anolis rodriguezii BOCOURT, 1873
- Anolis roosevelti GRANT, 1931
- Anolis roquet (BONNATERRE, 1789)
- Anolis rubiginosus BOCOURT, 1873
- Anolis rubribarbus BARBOUR & RAMSDEN, 1919
- Anolis rupinae WILLIAMS & WEBSTER, 1974
- Anolis sabanus GARMAN, 1887
- Anolis sacamecatensis KÖHLER, TREJO-PÉREZ, PETERSEN & MÉNDEZ DE LA CRUZ, 2014
- Anolis sagrei DUMÉRIL & BIBRON, 1837
- Anolis salvini BOULENGER, 1885
- Anolis saxatilis MERTENS, 1938
- Anolis schiedii (WIEGMANN, 1834)
- Anolis schwartzi LAZELL, 1972
- Anolis scriptus GARMAN, 1887
- Anolis semilineatus COPE, 1864
- Anolis sericeus HALLOWELL, 1856
- Anolis sheplani SCHWARTZ, 1974
- Anolis shrevei (COCHRAN, 1939)
- Anolis singularis WILLIAMS, 1965
- Anolis smallwoodi SCHWARTZ, 1964
- Anolis smaragdinus BARBOUR & SHREVE, 1935
- Anolis sminthus DUNN & EMLEN, 1932
- Anolis soinii POE & YAÑEZ-MIRANDA, 2008
- Anolis solitarius RUTHVEN, 1916
- Anolis spectrum PETERS, 1863
- Anolis squamulatus PETERS, 1863
- Anolis strahmi SCHWARTZ, 1979
- Anolis stratulus COPE, 1861
- Anolis subocularis DAVIS, 1954
- Anolis tandai AVILA-PIRES, 1995
- Anolis taylori SMITH & SPIELER, 1945
- Anolis terraealtae BARBOUR, 1915
- Anolis tetarii (BARROS, WILLIAMS & VILORIA, 1996)
- Anolis tigrinus PETERS, 1863
- Anolis toldo FONG & GARRIDO, 2000
- Anolis torresfundorai TORRES, REILLY, NUÑEZ-PENICHET, REYNOLDS & GLOR, 2025
- Anolis trachyderma COPE, 1875
- Anolis transversalis DUMÉRIL, 1851
- Anolis trinitatis REINHARDT & LÜTKEN, 1862
- Anolis tropidolepis BOULENGER, 1885
- Anolis tropidonotus PETERS, 1863
- Anolis uniformis COPE, 1885
- Anolis unilobatus KÖHLER & VESELY, 2010
- Anolis valencienni DUMÉRIL & BIBRON, 1837
- Anolis vanidicus GARRIDO & SCHWARTZ, 1972
- Anolis vermiculatus COCTEAU, 1837
- Anolis villai FITCH & HENDERSON, 1976
- Anolis viridius KÖHLER & HEDGES, 2016
- Anolis vittigerus COPE, 1863
- Anolis wattsii BOULENGER, 1894
- Anolis websteri ARNOLD, 1980
- Anolis williamsmittermeierorum POE & YAÑEZ-MIRANDA, 2007
- Anolis woodi DUNN, 1940
- Anolis yoroensis (MCCRANIE, NICHOLSON & KÖHLER, 2001)
- Anolis zapotecorum KÖHLER, TREJO-PÉREZ, PETERSEN & MÉNDEZ DE LA CRUZ, 2014
- Anolis zeus (KÖHLER & MCCRANIE, 2001)
- Anomochilus weberi (LIDTH DE JEUDE, 1890)
- Antaresia childreni (GRAY, 1842)
- Apalone mutica (LESUEUR, 1827)
- Apalone spinifera (LESUEUR, 1827)
- Aparallactus capensis SMITH, 1849
- Apostolepis assimilis (REINHARDT, 1861)
- Apostolepis intermedia KOSLOWSKY, 1898
- Apostolepis nigroterminata BOULENGER, 1896
- Apostolepis sanctaeritae WERNER, 1924
- Apostolepis vittata (COPE, 1887)
- Aprasia haroldi STORR, 1978
- Aprasia picturata SMITH & HENRY, 1999
- Aprasia smithi STORR, 1970
- Archelaphe bella (STANLEY, 1917)
- Argyrophis diardii (SCHLEGEL, 1839)
- Aristelliger nelsoni BARBOUR, 1914
- Arizona elegans KENNICOTT, 1859
- Arizona occidentalis BLANCHARD, 1924
- Arizona pacata KLAUBER, 1946
- Aspidelaps lubricus (LAURENTI, 1768)
- Aspidelaps scutatus (SMITH, 1849)
- Aspidites ramsayi (MACLEAY, 1882)
- Aspidoscelis arizonae (VAN DENBURGH, 1896)
- Aspidoscelis burti (TAYLOR, 1938)
- Aspidoscelis communis (COPE, 1878)
- Aspidoscelis costatus (COPE, 1878)
- Aspidoscelis deppii (WIEGMANN, 1834)
- Aspidoscelis exsanguis (LOWE, 1956)
- Aspidoscelis gularis (BAIRD & GIRARD, 1852)
- Aspidoscelis guttatus (WIEGMANN, 1834)
- Aspidoscelis hyperythrus (COPE, 1863)
- Aspidoscelis inornatus (BAIRD, 1859)
- Aspidoscelis lineattissimus (COPE, 1878)
- Aspidoscelis martyris (STEJNEGER, 1891)
- Aspidoscelis neomexicanus (LOWE & ZWEIFEL, 1952)
- Aspidoscelis sexlineatus (LINNAEUS, 1766)
- Aspidoscelis sonorae (LOWE & WRIGHT, 1964)
- Aspidoscelis tesselatus (SAY, 1822)
- Aspidoscelis tigris (BAIRD & GIRARD, 1852)
- Aspidoscelis uniparens (WRIGHT & LOWE, 1965)
- Aspidoscelis velox (SPRINGER, 1928)
- Aspidura guentheri FERGUSON, 1876
- Aspronema dorsivittatum (COPE, 1862)
- Asthenodipsas borneensis QUAH, GRISMER, LIM, ANUAR & CHAN, 2020
- Asthenodipsas laevis (BOIE, 1827)
- Asthenodipsas malaccana PETERS, 1864
- Asthenodipsas stuebingi QUAH, GRISMER, LIM, ANUAR & IMBUN, 2019
- Asthenodipsas tropidonota (LIDTH DE JEUDE, 1923)
- Asthenodipsas vertebralis (BOULENGER, 1900)
- Astrochelys radiata (SHAW, 1802)
- Astrochelys yniphora (VAILLANT, 1885)
- Atlantolacerta andreanskyi (WERNER, 1929)
- Atractaspis andersonii BOULENGER, 1905
- Atractaspis reticulata SJÖSTEDT, 1896
- Atractus albuquerquei CUNHA & NASCIMENTO, 1983
- Atractus arangoi PRADO, 1940
- Atractus attenuatus MYERS & SCHARGEL, 2006
- Atractus bocki WERNER, 1909
- Atractus clarki DUNN & BAILEY, 1939
- Atractus elaps (GÜNTHER, 1858)
- Atractus fuliginosus (HALLOWELL, 1845)
- Atractus iridescens PERACCA, 1896
- Atractus latifrons (GÜNTHER, 1868)
- Atractus major BOULENGER, 1894
- Atractus melanogaster WERNER, 1916
- Atractus melas BOULENGER, 1908
- Atractus multicinctus (JAN, 1865)
- Atractus obtusirostris WERNER, 1916
- Atractus occipitoalbus (JAN, 1862)
- Atractus orcesi SAVAGE, 1955
- Atractus poeppigi (JAN, 1862)
- Atractus sanguineus PRADO, 1944
- Atractus snethlageae CUNHA & NASCIMENTO, 1983
- Atractus torquatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Atractus werneri PERACCA, 1914
- Atretium schistosum (DAUDIN, 1803)
- Aurivela tergolaevigata (CABRERA, 2004)
- Azemiops feae BOULENGER, 1888
- Bachia barbouri BURT & BURT, 1931
- Bachia dorbignyi (DUMÉRIL & BIBRON, 1839)
- Bachia heteropa (LICHTENSTEIN & MARTENS, 1856)
- Bachia intermedia NOBLE, 1921
- Bachia lineata BOULENGER, 1903
- Bachia trinitatis (BARBOUR, 1914)
- Bachia trisanale (COPE, 1868)
- Barisia ciliaris (SMITH, 1942)
- Barisia imbricata (WIEGMANN, 1828)
- Barisia rudicollis (WIEGMANN, 1828)
- Basiliscus basiliscus (LINNAEUS, 1758)
- Basiliscus vittatus WIEGMANN, 1828
- Batagur affinis (CANTOR, 1847)
- Bipes biporus (COPE, 1894)
- Bitis arietans (MERREM, 1820)
- Bitis gabonica (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Bitis inornata (SMITH, 1838)
- Bitis rubida BRANCH, 1997
- Bitis schneideri (BOETTGER, 1886)
- Blanus aporus WERNER, 1898
- Blanus cinereus (VANDELLI, 1797)
- Blanus strauchi (BEDRIAGA, 1884)
- Blanus tingitanus BUSACK, 1988
- Boa constrictor LINNAEUS, 1758
- Boa imperator DAUDIN, 1803
- Boaedon capensis DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Boaedon fuliginosus (BOIE, 1827)
- Boaedon mendesi CERÍACO, ARELLANO, JADIN, MARQUES, PARRINHA & HALLERMANN, 2021
- Bogertophis subocularis (BROWN, 1902)
- Boiga barnesii (GÜNTHER, 1869)
- Boiga beddomei (WALL, 1909)
- Boiga ceylonensis (GÜNTHER, 1858)
- Boiga cyanea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Boiga cynodon (BOIE, 1827)
- Boiga dendrophila (BOIE, 1827)
- Boiga drapiezii (BOIE, 1827)
- Boiga forsteni (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Boiga irregularis (BECHSTEIN, 1802)
- Boiga jaspidea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Boiga multomaculata (BOIE, 1827)
- Boiga trigonata (SCHNEIDER, 1802)
- Boiruna maculata (BOULENGER, 1896)
- Boiruna sertaneja ZAHER, 1996
- Bothriechis nigroadspersus (STEINDACHNER, 1870)
- Bothriechis nitidus (GÜNTHER, 1859)
- Bothriechis schlegelii (BERTHOLD, 1846)
- Bothriechis torvus (POSADA-ARANGO, 1889)
- Bothrocophias campbelli (FREIRE-LASCANO, 1991)
- Bothrocophias hyoprora (AMARAL, 1935)
- Bothrocophias microphthalmus (COPE, 1875)
- Bothrocophias myersi GUTBERLET & CAMPBELL, 2001
- Bothrops asper (GARMAN, 1883)
- Bothrops atrox (LINNAEUS, 1758)
- Bothrops bilineatus (WIED-NEUWIED, 1821)
- Bothrops brazili HOGE, 1954
- Bothrops diporus COPE, 1862
- Bothrops erythromelas (AMARAL, 1923)
- Bothrops jararaca (WIED-NEUWIED, 1824)
- Bothrops leucurus WAGLER, 1824
- Bothrops lutzi (MIRANDA-RIBEIRO, 1915)
- 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 pauloensis AMARAL, 1925
- Bothrops pubescens (COPE, 1870)
- Bothrops pulcher (PETERS, 1862)
- Bothrops punctatus (GARCIA, 1896)
- Bothrops taeniatus WAGLER, 1824
- Bothrops venezuelensis SANDNER-MONTILLA, 1952
- Brachyurophis approximans (GLAUERT, 1954)
- Brachyurophis fasciolatus (GÜNTHER, 1872)
- Brachyurophis semifasciatus GÜNTHER, 1863
- Bradypodion caffrum (BOETTGER, 1889)
- Bradypodion pumilum (GMELIN, 1789)
- Bronchocela hayeki (MÜLLER, 1928)
- Bronchocela jubata DUMÉRIL & BIBRON, 1837
- Bungarus caeruleus (SCHNEIDER, 1801)
- Bungarus candidus (LINNAEUS, 1758)
- Bungarus fasciatus (SCHNEIDER, 1801)
- Bungarus flaviceps REINHARDT, 1843
- Bungarus multicinctus BLYTH, 1861
- Bungarus wanghaotingi POPE, 1928
- Cacophis harriettae KREFFT, 1869
- Cacophis krefftii GÜNTHER, 1863
- Caiman crocodilus (LINNAEUS, 1758)
- Caiman latirostris (DAUDIN, 1801)
- Caiman yacare (DAUDIN, 1801)
- Calamaria albiventer (GRAY, 1834)
- Calamaria annamensis BOURRET, 1937
- Calamaria berezowskii GÜNTHER, 1896
- Calamaria pavimentata DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Caledoniscincus cryptos SADLIER, BAUER & COLGAN, 1999
- Calliophis maculiceps (GÜNTHER, 1858)
- Calliophis melanurus (SHAW, 1802)
- Callisaurus draconoides BLAINVILLE, 1835
- Callopistes flavipunctatus (DUMÉRIL & BIBRON, 1839)
- Calloselasma rhodostoma (KUHL, 1824)
- Calotes emma GRAY, 1845
- Calotes minor (HARDWICKE & GRAY, 1827)
- Calotes mystaceus DUMÉRIL & BIBRON, 1837
- Calotes versicolor (DAUDIN, 1802)
- Candoia superciliosa (GÜNTHER, 1863)
- Cantoria violacea GIRARD, 1858
- Caraiba andreae (REINHARDT & LÜTKEN, 1862)
- Caretta caretta (LINNAEUS, 1758)
- Caribicus warreni (SCHWARTZ, 1970)
- Causus defilippii (JAN, 1863)
- Celestus crusculus (GARMAN, 1887)
- Celestus duquesneyi GRANT, 1940
- Celestus occiduus (SHAW, 1802)
- Cerastes cerastes (LINNAEUS, 1758)
- Ceratophora aspera GÜNTHER, 1864
- Cerberus rynchops (SCHNEIDER, 1799)
- Cerberus schneiderii (SCHLEGEL, 1837)
- Cercosaura anordosquama STURARO, RODRIGUES, COLLI, KNOWLES & AVILA-PIRES, 2018
- Cercosaura argulus PETERS, 1862
- Cercosaura bassleri RUIBAL, 1952
- Cercosaura eigenmanni (GRIFFIN, 1917)
- Cercosaura ocellata WAGLER, 1830
- Cercosaura olivacea (GRAY, 1845)
- Cercosaura parkeri (RUIBAL, 1952)
- Cercosaura phelpsorum (LANCINI, 1968)
- Cercosaura schreibersii WIEGMANN, 1834
- Chalcides chalcides (LINNAEUS, 1758)
- Chalcides colosii LANZA, 1957
- Chalcides mionecton (BOETTGER, 1874)
- Chalcides ocellatus (FORSKÅL, 1775)
- Chalcides polylepis BOULENGER, 1890
- Chalcides pseudostriatus CAPUTO, 1993
- Chalcides sepsoides (AUDOUIN, 1829)
- Chalcides sphenopsiformis (DUMÉRIL, 1856)
- Chamaeleo calyptratus DUMÉRIL & BIBRON, 1851
- Chamaeleo chamaeleon (LINNAEUS, 1758)
- Chamaeleo dilepis LEACH, 1819
- Chamaeleo namaquensis SMITH, 1831
- Chamaesaura anguina LINNAEUS, 1758
- Charina bottae (BLAINVILLE, 1835)
- Chatogekko amazonicus (ANDERSSON, 1918)
- Chelodina expansa GRAY, 1857
- Chelodina mccordi RHODIN, 1994
- 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)
- Chelydra serpentina (LINNAEUS, 1758)
- Chilabothrus gracilis FISCHER, 1888
- Chilabothrus striatus (FISCHER, 1856)
- Chironius carinatus (LINNAEUS, 1758)
- Chironius exoletus (LINNAEUS, 1758)
- Chironius flavolineatus (BOETTGER, 1885)
- Chironius flavopictus (WERNER, 1909)
- Chironius fuscus (LINNAEUS, 1758)
- Chironius grandisquamis (PETERS, 1869)
- Chironius laurenti DIXON, WIEST & CEI, 1993
- Chironius maculoventris DIXON, WIEST & CEI, 1993
- Chironius monticola ROZE, 1952
- Chironius multiventris SCHMIDT & WALKER, 1943
- Chironius quadricarinatus (BOIE, 1827)
- Chironius scurrula (WAGLER, 1824)
- Chironius spixii (HALLOWELL, 1845)
- Chlamydosaurus kingii GRAY, 1825
- Chlorosoma viridissimum (LINNAEUS, 1758)
- Chondrodactylus bibronii (SMITH, 1846)
- Christinus alexanderi (STORR, 1987)
- Chrysemys dorsalis AGASSIZ, 1857
- Chrysemys picta (SCHNEIDER, 1783)
- Chrysopelea ornata (SHAW, 1802)
- Chrysopelea paradisi BOIE, 1827
- Clelia clelia (DAUDIN, 1803)
- Clelia equatoriana (AMARAL, 1924)
- Clemmys guttata (SCHNEIDER, 1792)
- Cnemaspis andersonii (ANNANDALE, 1905)
- Cnemaspis chanardi GRISMER, SUMONTHA, COTA, GRISMER, WOOD, PAUWELS & KUNYA, 2010
- Cnemaspis gracilis (BEDDOME, 1870)
- Cnemaspis kandiana (KELAART, 1852)
- Cnemaspis maculicollis CYRIAC, JOHNY, UMESH & PALOT, 2018
- Cnemaspis psychedelica GRISMER, NGO & GRISMER, 2010
- Cnemaspis punctatonuchalis GRISMER, SUMONTHA, COTA, GRISMER, WOOD, PAUWELS & KUNYA, 2010
- Cnemaspis siamensis (SMITH, 1925)
- Cnemaspis wicksi (STOLICZKA, 1873)
- Cnemidophorus vanzoi (BASKIN & WILLIAMS, 1966)
- Coelognathus flavolineatus (SCHLEGEL, 1837)
- Coelognathus helena (DAUDIN, 1803)
- Coelognathus radiatus (BOIE, 1827)
- Coleonyx brevis STEJNEGER, 1893
- Coleonyx variegatus (BAIRD, 1858)
- Coluber constrictor LINNAEUS, 1758
- Comptus alloeides (SCHWARTZ, 1964)
- Comptus stenurus (COPE, 1863)
- Coniophanes andresensis BAILEY, 1937
- Coniophanes dromiciformis (PETERS, 1863)
- Coniophanes fissidens (GÜNTHER, 1858)
- Coniophanes imperialis (BAIRD & GIRARD, 1859)
- Coniophanes lateritius COPE, 1862
- Conolophus subcristatus (GRAY, 1831)
- Conophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Conophis vittatus PETERS, 1860
- Conopsis biserialis (TAYLOR & SMITH, 1942)
- Conopsis lineata (KENNICOTT, 1859)
- Conopsis nasus (GÜNTHER, 1858)
- Copeoglossum nigropunctatum (SPIX, 1825)
- Cophosaurus texanus TROSCHEL, 1852
- Corallus annulatus (COPE, 1875)
- Corallus batesii (GRAY, 1860)
- Corallus blombergi (RENDAHL & VESTERGREN, 1940)
- Corallus hortulana (LINNAEUS, 1758)
- Corallus ruschenbergerii (COPE, 1875)
- Cordylus cordylus (LINNAEUS, 1758)
- Coronella austriaca LAURENTI, 1768
- Corytophanes cristatus (MERREM, 1820)
- Corytophanes hernandesii (DEPPE, 1830)
- Craspedocephalus gramineus (SHAW, 1802)
- Craspedocephalus trigonocephalus (DONNDORFF, 1798)
- Crenadactylus occidentalis DOUGHTY, ELLIS & OLIVER, 2016
- Crocodylus acutus CUVIER, 1807
- Crocodylus intermedius GRAVES, 1819
- Crocodylus johnstoni KREFFT, 1873
- Crocodylus palustris LESSON, 1831
- Crocodylus porosus SCHNEIDER, 1801
- Crocodylus siamensis SCHNEIDER, 1801
- Crotalus adamanteus PALISOT DE BEAUVOIS, 1799
- Crotalus aquilus KLAUBER, 1952
- Crotalus atrox BAIRD & GIRARD, 1853
- Crotalus basiliscus (COPE, 1864)
- Crotalus cerastes HALLOWELL, 1854
- Crotalus durissus LINNAEUS, 1758
- Crotalus horridus LINNAEUS, 1758
- Crotalus intermedius TROSCHEL, 1865
- Crotalus lannomi TANNER, 1966
- Crotalus lepidus (KENNICOTT, 1861)
- Crotalus molossus BAIRD & GIRARD, 1853
- Crotalus polystictus (COPE, 1865)
- Crotalus pricei VAN DENBURGH, 1895
- Crotalus pusillus KLAUBER, 1952
- Crotalus ruber COPE, 1892
- Crotalus scutulatus (KENNICOTT, 1861)
- Crotalus tigris KENNICOTT, 1859
- Crotalus totonacus GLOYD & KAUFFELD, 1940
- Crotalus transversus TAYLOR, 1944
- Crotalus tzabcan KLAUBER, 1952
- Crotalus viridis (RAFINESQUE, 1818)
- Crotalus willardi MEEK, 1905
- Crotaphopeltis hotamboeia (LAURENTI, 1768)
- Crotaphytus collaris (SAY, 1822)
- Crotaphytus reticulatus BAIRD, 1858
- Cryptoblepharus buchananii (GRAY, 1839)
- Cryptoblepharus plagiocephalus (COCTEAU, 1836)
- Ctenophorus adelaidensis (GRAY, 1841)
- Ctenophorus badius (STORR, 1965)
- Ctenophorus butlerorum (STORR, 1977)
- Ctenophorus dualis (STORR, 1965)
- Ctenophorus femoralis (STORR, 1965)
- Ctenophorus fordi (STORR, 1965)
- Ctenophorus graafi (STORR, 1967)
- Ctenophorus griseus (STORR, 1965)
- Ctenophorus ibiri EDWARDS & HUTCHINSON, 2023
- Ctenophorus isolepis (FISCHER, 1881)
- Ctenophorus kartiwarru EDWARDS & HUTCHINSON, 2023
- Ctenophorus maculatus (GRAY, 1831)
- Ctenophorus nuchalis (DE VIS, 1884)
- Ctenophorus reticulatus (GRAY, 1845)
- Ctenophorus rubens (STORR, 1965)
- Ctenophorus salinarum (STORR, 1966)
- Ctenophorus scutulatus (STIRLING & ZIETZ, 1893)
- Ctenophorus spinodomus SADLIER, COLGAN, BEATSON & COGGER, 2019
- Ctenophorus tjakalpa EDWARDS & HUTCHINSON, 2023
- Ctenophorus tuniluki EDWARDS & HUTCHINSON, 2023
- Ctenosaura acanthura (SHAW, 1802)
- Ctenosaura hemilopha (COPE, 1863)
- Ctenosaura macrolopha SMITH, 1972
- Ctenosaura nolascensis SMITH, 1972
- Ctenosaura pectinata (WIEGMANN, 1834)
- Ctenosaura similis (GRAY, 1831)
- Ctenotus alleni STORR, 1974
- Ctenotus australis (GRAY, 1838)
- Ctenotus duricola STORR, 1975
- Ctenotus fallens STORR, 1974
- Ctenotus mimetes STORR, 1969
- Ctenotus pantherinus (PETERS, 1866)
- Ctenotus schomburgkii (PETERS, 1863)
- Ctenotus severus STORR, 1969
- Ctenotus taeniolatus (WHITE, 1790)
- Ctenotus youngsoni STORR, 1975
- Ctenotus zastictus STORR, 1984
- Cubophis cantherigerus (BIBRON, 1843)
- Cuora amboinensis (DAUDIN, 1801)
- Cuora aurocapitata LUO & ZONG, 1988
- Cuora couro (SCHWEIGGER, 1812)
- Cuora flavomarginata (GRAY, 1863)
- Cuora lineata MCCORD & PHILIPPEN, 1998
- Cuora trifasciata (BELL, 1825)
- Cyclemys dentata (GRAY, 1831)
- Cyclodomorphus branchialis (GÜNTHER, 1867)
- Cyclodomorphus casuarinae (DUMÉRIL & BIBRON, 1839)
- Cyclodomorphus celatus SHEA & MILLER, 1995
- Cyclodomorphus melanops (STIRLING & ZIETZ, 1893)
- Cylindrophis maculatus (LINNAEUS, 1758)
- Cyrtodactylus auralensis MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
- Cyrtodactylus battalensis KHAN, 1993
- Cyrtodactylus bokorensis MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
- Cyrtodactylus borgattaorum TRAN, LAM, NGUYEN, NGUYEN, NGUYEN, SMITH, NGUYEN & GRISMER, 2024
- Cyrtodactylus brevipalmatus (SMITH, 1923)
- Cyrtodactylus cardamomensis MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
- Cyrtodactylus elok DRING, 1979
- Cyrtodactylus himalayanus DUDA & SAHI, 1978
- Cyrtodactylus hontreensis NGO VAN TRI, GRISMER & GRISMER, 2008
- Cyrtodactylus interdigitalis ULBER, 1993
- Cyrtodactylus intermedius (SMITH, 1917)
- Cyrtodactylus kohrongensis GRISMER, ONN, OAKS, NEANG, SOKUN, MURDOCH, STUART & GRISMER, 2020
- Cyrtodactylus kulenensis GRISMER, GEISSLER, NEANG, HARTMANN, WAGNER & POYARKOV, 2021
- Cyrtodactylus laangensis MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
- Cyrtodactylus lawderanus (STOLICZKA, 1871)
- Cyrtodactylus ngati LE, SITTHIVONG, TRAN, GRISMER, NGUYEN, LE,ZIEGLER & LUU, 2021
- Cyrtodactylus oldhami (THEOBALD, 1876)
- Cyrtodactylus phuquocensis NGO VAN TRI, GRISMER & GRISMER, 2010
- Cyrtodactylus regicavernicolus CHHIN, NEANG, CHAN, KONG, OU, IN, SAMORN, SOR, LOU, SIN, CHHIM,<br />STUART & GRISMER, 2024
- Cyrtodactylus rukhadeva GRISMER, SUWANNAPOOM, PAWANGKHANANT, NAZAROV, YUSHCHENKO, NAIDUANGCHAN, LE, LUU & POYARKOV, 2021
- Cyrtodactylus septimontium MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
- Cyrtodactylus thylacodactylus MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
- Cyrtopodion brevipes (BLANFORD, 1874)
- Cyrtopodion indusoani (KHAN, 1988)
- Daboia mauritanica (GRAY, 1849)
- Daboia russelii (SHAW & NODDER, 1797)
- Darevskia alpina (DAREVSKY, 1967)
- Darevskia armeniaca (MÉHELY, 1909)
- Darevskia caucasica (MÉHELY, 1909)
- Darevskia chlorogaster (BOULENGER, 1908)
- Darevskia daghestanica (DAREVSKY, 1967)
- Darevskia lindholmi (SZCZERBAK, 1962)
- Darevskia mirabilis ARRIBAS, ILGAZ, KUMLUTAŞ, DURMUŞ, AVCI & ÜZÜM, 2013
- Darevskia obscura (LANTZ & CYRÉN, 1936)
- Darevskia rudis (BEDRIAGA, 1886)
- Dasia olivacea GRAY, 1839
- Dasypeltis atra STERNFELD, 1912
- Dasypeltis gansi TRAPE & MANÉ, 2006
- Dasypeltis inornata SMITH, 1849
- Dasypeltis scabra (LINNAEUS, 1758)
- Delma australis KLUGE, 1974
- Delma concinna (KLUGE, 1974)
- Delma fraseri GRAY, 1831
- Delma grayii SMITH, 1849
- Delma tincta DE VIS, 1888
- Demansia calodera STORR, 1978
- Demansia reticulata (GRAY, 1842)
- Dendrelaphis bifrenalis (BOULENGER, 1890)
- Dendrelaphis caudolineatus (GRAY, 1834)
- Dendrelaphis caudolineolatus (GÜNTHER, 1869)
- Dendrelaphis chairecacos (BOIE, 1827)
- Dendrelaphis cyanochloris (WALL, 1921)
- Dendrelaphis haasi VAN ROOIJEN & VOGEL, 2008
- Dendrelaphis inornatus BOULENGER, 1897
- Dendrelaphis kopsteini VOGEL & VAN ROOIJEN, 2007
- Dendrelaphis nigroserratus VOGEL, VAN ROOIJEN & HAUSER, 2012
- Dendrelaphis pictus (GMELIN, 1789)
- Dendrelaphis punctulatus (GRAY, 1826)
- Dendrelaphis subocularis (BOULENGER, 1888)
- Dendrelaphis terrificus (PETERS, 1872)
- Dendrelaphis tristis (DAUDIN, 1803)
- Dendroaspis angusticeps (SMITH, 1849)
- Dendroaspis polylepis GÜNTHER, 1864
- Dendrophidion brunneum (GÜNTHER, 1858)
- Dendrophidion clarkii DUNN, 1933
- Dendrophidion dendrophis (SCHLEGEL, 1837)
- Dendrophidion nuchale (PETERS, 1863)
- Dendrophidion percarinatum (COPE, 1893)
- Dendrophidion prolixum CADLE, 2012
- Denisonia maculata (STEINDACHNER, 1867)
- Dermochelys coriacea (VANDELLI, 1761)
- Diadophis punctatus (LINNAEUS, 1766)
- Diaphorolepis laevis WERNER, 1923
- Diaphorolepis wagneri JAN, 1863
- Dibamus kondaoensis HONDA, OTA, HIKIDA & DAREVSKY, 2001
- Dibamus novaeguineae DUMÉRIL & BIBRON, 1839
- Dicrodon guttulatum DUMÉRIL & BIBRON, 1839
- Dinodon subcinctus BOIE, 1827
- Diplodactylus galaxias DOUGHTY, PEPPER & KEOGH, 2010
- Diplodactylus klugei APLIN & ADAMS, 1998
- Diplodactylus ornatus GRAY, 1845
- Diplodactylus pulcher (STEINDACHNER, 1870)
- Diploderma flaviceps (BARBOUR & DUNN, 1919)
- Diploderma swinhonis (GÜNTHER, 1864)
- Diploglossus delasagra (COCTEAU, 1838)
- Diploglossus fasciatus (GRAY, 1831)
- Diploglossus millepunctatus O'SHAUGHNESSY, 1874
- Diploglossus monotropis (KUHL, 1820)
- Diporiphora amphiboluroides LUCAS & FROST, 1902
- Dipsadoboa duchesnii (BOULENGER, 1901)
- Dipsas articulata (COPE, 1868)
- Dipsas bucephala (SHAW, 1802)
- Dipsas catesbyi (SENTZEN, 1796)
- Dipsas cisticeps (BOETTGER, 1885)
- Dipsas elegans (BOULENGER, 1896)
- Dipsas ellipsifera (BOULENGER, 1898)
- Dipsas gracilis (BOULENGER, 1902)
- Dipsas indica LAURENTI, 1768
- Dipsas latifrontalis (BOULENGER, 1905)
- Dipsas lavillai (SCROCCHI, PORTO & REY, 1993)
- Dipsas pavonina SCHLEGEL, 1837
- Dipsas peruana (BOETTGER, 1898)
- Dipsas sanctijoannis (BOULENGER, 1911)
- Dipsas temporalis (WERNER, 1909)
- Dipsas turgida (COPE, 1868)
- Dipsas variegata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Dipsas ventrimaculata (BOULENGER, 1885)
- Dipsas vermiculata PETERS, 1960
- Dipsas viguieri (BOCOURT, 1884)
- Dipsosaurus dorsalis (BAIRD & GIRARD, 1852)
- Dispholidus typus (SMITH, 1828)
- Dixonius siamensis (BOULENGER, 1899)
- Dogania subplana (GEOFFROY SAINT-HILAIRE, 1809)
- Dolichophis caspius (GMELIN, 1789)
- Dopasia harti (BOULENGER, 1899)
- Dracaena paraguayensis AMARAL, 1950
- Draco blanfordii BOULENGER, 1885
- Draco maculatus (GRAY, 1845)
- Draco maximus BOULENGER, 1893
- Draco taeniopterus GÜNTHER, 1861
- Dravidogecko anamallensis (GÜNTHER, 1875)
- Drepanoides anomalus (JAN, 1863)
- Drymarchon caudomaculatus WÜSTER, YRAUSQUIN & MIJARES-URRUTIA, 2001
- Drymarchon corais (BOIE, 1827)
- Drymarchon couperi (HOLBROOK, 1842)
- Drymarchon melanurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Drymobius margaritiferus (SCHLEGEL, 1837)
- Drymobius rhombifer (GÜNTHER, 1860)
- Drymoluber dichrous (PETERS, 1863)
- Dryocalamus nympha (DAUDIN, 1803)
- Dryophylax almae (FRANCO & FERREIRA, 2003)
- Dryophylax chaquensis (BERGNA & ÁLVAREZ, 1993)
- Dryophylax dixoni (BAILEY & THOMAS, 2007)
- Dryophylax gambotensis (PÉREZ-SANTOS & MORENO, 1989)
- Dryophylax nattereri (MIKAN, 1820)
- Dryophylax paraguanae (BAILEY & THOMAS, 2007)
- Dryophylax phoenix (FRANCO, TREVINE, MONTINGELLI & ZAHER, 2017)
- Duberria atriventris (STERNFELD, 1912)
- Duberria lutrix (LINNAEUS, 1758)
- Echinanthera melanostigma (WAGLER, 1824)
- Echiopsis curta (SCHLEGEL, 1837)
- Echis carinatus (SCHNEIDER, 1801)
- Egernia depressa (GÜNTHER, 1875)
- Egernia formosa FRY, 1914
- Egernia saxatilis COGGER, 1960
- Egernia stokesii (GRAY, 1845)
- Eirenis modestus (MARTIN, 1838)
- Elaphe carinata (GÜNTHER, 1864)
- Elaphe climacophora (BOIE, 1826)
- Elaphe dione (PALLAS, 1773)
- Elaphe hodgsonii (GÜNTHER, 1860)
- Elaphe moellendorffi (BOETTGER, 1886)
- Elaphe quadrivirgata (BOIE, 1826)
- Elaphe quatuorlineata (LACÉPÈDE, 1789)
- Elaphe taeniura COPE, 1861
- Elgaria kingii GRAY, 1838
- Elseya dentata (GRAY, 1863)
- Emmochliophis miops (BOULENGER, 1898)
- Emydocephalus annulatus KREFFT, 1869
- Emydoidea blandingii (HOLBROOK, 1838)
- Emydura macquarii (GRAY, 1830)
- Emys orbicularis (LINNAEUS, 1758)
- Enhydris enhydris (SCHNEIDER, 1799)
- Enuliophis sclateri (BOULENGER, 1894)
- Enulius flavitorques (COPE, 1868)
- Enyalioides heterolepis (BOCOURT, 1874)
- Enyalioides laticeps (GUICHENOT, 1855)
- Enyalioides palpebralis (BOULENGER, 1883)
- Enyalius catenatus (WIED-NEUWIED, 1821)
- Epacrophis drewesi (WALLACH, 1996)
- Epicrates alvarezi ABALOS, BAEZ & NADER, 1964
- Epicrates assisi MACHADO, 1944
- Epicrates cenchria (LINNAEUS, 1758)
- Epicrates crassus COPE, 1862
- Epictia albifrons (WAGLER, 1824)
- Epictia albipuncta (BURMEISTER, 1861)
- Epictia bakewelli (OLIVER, 1937)
- Epictia goudotii (DUMÉRIL & BIBRON, 1844)
- Epictia magnamaculata (TAYLOR, 1940)
- Epictia tenella (KLAUBER, 1939)
- Eremias grammica (LICHTENSTEIN, 1823)
- Eremias intermedia (STRAUCH, 1876)
- Eremias lineolata (NIKOLSKY, 1897)
- Eremias nigrocellata NIKOLSKY, 1896
- Eremias velox (PALLAS, 1771)
- Eremiascincus fasciolatus (GÜNTHER, 1867)
- Eremiascincus intermedius (STERNFELD, 1919)
- Eremiascincus richardsonii (GRAY, 1845)
- Eretmochelys imbricata (LINNAEUS, 1766)
- Erythrolamprus aesculapii (LINNAEUS, 1758)
- Erythrolamprus albertguentheri (GRAZZIOTIN, ZAHER, MURPHY, SCROCCHI, BENAVIDES, ZHANG & BONATTO, 2012)
- Erythrolamprus albiventris (JAN, 1863)
- Erythrolamprus almadensis (WAGLER, 1824)
- Erythrolamprus bizona JAN, 1863
- Erythrolamprus breviceps (COPE, 1860)
- Erythrolamprus dorsocorallinus (ESQUEDA, NATERA, LA MARCA & ILIJA-FISTAR, 2007)
- Erythrolamprus epinephelus (COPE, 1862)
- Erythrolamprus jaegeri (GÜNTHER, 1858)
- Erythrolamprus lamonae (DUNN, 1944)
- Erythrolamprus macrosomus (AMARAL, 1936)
- Erythrolamprus melanotus (SHAW, 1802)
- Erythrolamprus miliaris (LINNAEUS, 1758)
- Erythrolamprus mimus (COPE, 1868)
- Erythrolamprus ornatus (GARMAN, 1887)
- Erythrolamprus poecilogyrus (WIED-NEUWIED, 1824)
- Erythrolamprus pygmaeus (COPE, 1868)
- Erythrolamprus reginae (LINNAEUS, 1758)
- Erythrolamprus sagittifer (JAN, 1863)
- Erythrolamprus taeniogaster (JAN, 1863)
- Erythrolamprus typhlus (LINNAEUS, 1758)
- Erythrolamprus viridis (GÜNTHER, 1862)
- Erythrolamprus vitti (DIXON, 2000)
- Eryx conicus (SCHNEIDER, 1801)
- Eryx jaculus (LINNAEUS, 1758)
- Eryx jayakari BOULENGER, 1888
- Eryx johnii (RUSSELL, 1801)
- Eublepharis macularius (BLYTH, 1854)
- Eumeces algeriensis PETERS, 1864
- Eumeces schneiderii (DAUDIN, 1802)
- Eumeces zarudnyi NIKOLSKY, 1900
- Eunectes murinus (LINNAEUS, 1758)
- Eunectes notaeus COPE, 1862
- Euprepiophis mandarinus (CANTOR, 1842)
- Eutropis carinata (SCHNEIDER, 1801)
- Eutropis longicaudata (HALLOWELL, 1857)
- Eutropis macularia (BLYTH, 1853)
- Eutropis multicarinata (GRAY, 1845)
- Eutropis multifasciata (KUHL, 1820)
- Exila nigropalmata (ANDERSSON, 1918)
- Fowlea asperrima (BOULENGER, 1891)
- Fowlea piscator (SCHNEIDER, 1799)
- Fowlea sanctijohannis (BOULENGER, 1890)
- Furcifer pardalis (CUVIER, 1829)
- Furcifer petteri (BRYGOO & DOMERGUE, 1966)
- Furina diadema (SCHLEGEL, 1837)
- Gallotia atlantica (PETERS & DORIA, 1882)
- Gallotia bravoana HUTTERER, 1985
- Gallotia caesaris (LEHRS, 1914)
- Gallotia galloti (OUDART, 1839)
- Gallotia intermedia BARBADILLO, LACOBA, PÉREZ-MELLADO, SANCHO & LÓPEZ-JURADO, 1999
- Gallotia simonyi (STEINDACHNER, 1889)
- Gallotia stehlini (SCHENKEL, 1901)
- Gambelia wislizenii (BAIRD & GIRARD, 1852)
- Garthia gaudichaudii (DUMÉRIL & BIBRON, 1836)
- Geagras redimitus COPE, 1875
- Gehyra capensis KEALLEY, DOUGHTY, PEPPER, KEOGH, HILLYER & HUEY, 2018
- Gehyra dubia (MACLEAY, 1877)
- Gehyra finipunctata DOUGHTY, BAUER, PEPPER, KEOGH & ELLIS, 2018
- Gehyra lacerata (TAYLOR, 1962)
- Gehyra mutilata (WIEGMANN, 1834)
- Gehyra robusta KING, 1984
- Gehyra variegata (DUMÉRIL & BIBRON, 1836)
- Gekko chinensis (GRAY, 1842)
- Gekko gecko (LINNAEUS, 1758)
- Gekko hokouensis POPE, 1928
- Gekko horsfieldii (GRAY, 1827)
- Gekko intermedium (TAYLOR, 1915)
- Gekko japonicus (DUMÉRIL & BIBRON, 1836)
- Gekko kuhli (STEJNEGER, 1902)
- Gekko lionotum (ANNANDALE, 1905)
- Gekko monarchus (SCHLEGEL, 1836)
- Gekko rhacophorus (BOULENGER, 1899)
- Gekko subpalmatus (GÜNTHER, 1864)
- Geophis annuliferus (BOULENGER, 1894)
- Geophis dugesii BOCOURT, 1883
- Geophis hoffmanni (PETERS, 1859)
- Geophis nigroalbus BOULENGER, 1908
- Geophis sartorii (COPE, 1863)
- Gerarda prevostiana (EYDOUX & GERVAIS, 1837)
- Gerrhonotus liocephalus WIEGMANN, 1828
- Gerrhosaurus bulsi LAURENT, 1954
- Gerrhosaurus flavigularis WIEGMANN, 1828
- Gerrhosaurus intermedius LÖNNBERG, 1907
- Gerrhosaurus multilineatus BOCAGE, 1866
- Gerrhosaurus nigrolineatus HALLOWELL, 1857
- Glaucomastix littoralis (ROCHA, BAMBERG ARAÚJO, VRCIBRADIC & MAMEDE DA COSTA, 2000)
- Gloydius blomhoffii (BOIE, 1826)
- Gloydius chambensis KUTTALAM, SANTRA, OWENS, SELVAN, MUKHERJEE, GRAHAM, TOGRIDOU, BHARTI, SHI, SHANKER & MALHOTRA, 2022
- Gloydius halys (PALLAS, 1776)
- Gloydius shedaoensis (ZHAO, 1979)
- Glyptemys insculpta (LE CONTE, 1830)
- Glyptemys muhlenbergii (SCHOEPFF, 1801)
- Goggia essexi (HEWITT, 1925)
- Goggia lineata (GRAY, 1838)
- Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)
- Gonatodes caudiscutatus (GÜNTHER, 1859)
- Gonatodes concinnatus (O'SHAUGHNESSY, 1881)
- Gonatodes daudini POWELL & HENDERSON, 2005
- Gonatodes hasemani GRIFFIN, 1917
- Gonatodes humeralis (GUICHENOT, 1855)
- Gongylosoma calamaria (GÜNTHER, 1858)
- Gonyosoma oxycephalum (BOIE, 1827)
- Gonyosoma prasinum (BLYTH, 1855)
- Gopherus agassizii (COOPER, 1861)
- Gopherus berlandieri (AGASSIZ, 1857)
- Gopherus morafkai MURPHY, BERRY, EDWARDS, LEVITON, LATHROP & RIEDLE, 2011
- Gopherus polyphemus (DAUDIN, 1801)
- Gowidon longirostris (BOULENGER, 1883)
- Graptemys geographica (LESUEUR, 1817)
- Graptemys ouachitensis CAGLE, 1953
- Graptemys pseudogeographica (GRAY, 1831)
- Grypotyphlops acutus (DUMÉRIL & BIBRON, 1844)
- Gyalopion canum (COPE, 1860)
- Gymnophthalmus speciosus (HALLOWELL, 1861)
- Hapsidophrys principis (BOULENGER, 1906)
- Hebius sarawacensis (GÜNTHER, 1872)
- Helicops angulatus (LINNAEUS, 1758)
- Helicops leopardinus (SCHLEGEL, 1837)
- Helicops pastazae SHREVE, 1934
- Helicops petersi ROSSMAN, 1976
- Helicops polylepis GÜNTHER, 1861
- Heloderma alvarezi BOGERT & MARTIN DEL CAMPO, 1956
- Heloderma charlesbogerti CAMPBELL & VANNINI, 1988
- Heloderma exasperatum BOGERT & MARTIN DEL CAMPO, 1956
- Heloderma horridum (WIEGMANN, 1829)
- Heloderma suspectum COPE, 1869
- Hemidactylus ansorgii BOULENGER, 1901
- Hemidactylus awashensis ŠMÍD, MORAVEC, KRATOCHVIL, NASHER, MAZUCH, GVOŽDÍK & CARRANZA, 2015
- Hemidactylus bowringii (GRAY, 1845)
- Hemidactylus brookii GRAY, 1845
- Hemidactylus flaviviridis RÜPPELL, 1835
- Hemidactylus frenatus DUMÉRIL & BIBRON, 1836
- Hemidactylus garnotii DUMÉRIL & BIBRON, 1836
- Hemidactylus gleadowi MURRAY, 1884
- Hemidactylus kushmorensis MURRAY, 1884
- Hemidactylus leschenaultii DUMÉRIL & BIBRON, 1836
- Hemidactylus mabouia (MOREAU DE JONNÈS, 1818)
- Hemidactylus mercatorius GRAY, 1842
- Hemidactylus montanus BUSAIS & JOGER, 2011
- Hemidactylus murrayi GLEADOW, 1887
- Hemidactylus pauciporosus LANZA, 1978
- Hemidactylus platyurus (SCHNEIDER, 1797)
- Hemidactylus pseudomuriceus HENLE & BÖHME, 2003
- Hemidactylus robustus HEYDEN, 1827
- Hemidactylus sahgali MIRZA, GOWANDE, PATIL, AMBEKAR & PATEL, 2018
- Hemidactylus turcicus (LINNAEUS, 1758)
- Hemidactylus yerburii ANDERSON, 1895
- Hemiergis gracilipes (STEINDACHNER, 1870)
- Hemiphyllodactylus linnwayensis GRISMER, WOOD, THURA, ZIN, QUAH, MURDOCH, GRISMER, LI, KYAW & LWIN, 2017
- Hemiphyllodactylus typus BLEEKER, 1860
- Hemitheconyx caudicinctus (DUMÉRIL, 1851)
- Hemorrhois algirus (JAN, 1863)
- Hemorrhois hippocrepis (LINNAEUS, 1758)
- Heosemys grandis (GRAY, 1860)
- Heosemys spinosa (GRAY, 1831)
- Heremites auratus (LINNAEUS, 1758)
- Heremites septemtaeniatus (REUSS, 1834)
- Heremites vittatus (OLIVIER, 1804)
- Hesperoedura reticulata (BUSTARD, 1969)
- Heterodon kennerlyi KENNICOTT, 1860
- Heterodon nasicus BAIRD & GIRARD, 1852
- Heterodon platirhinos LATREILLE, 1801
- Heteronotia binoei (GRAY, 1845)
- Hierophis gemonensis (LAURENTI, 1768)
- Hierophis viridiflavus (LACÉPÈDE, 1789)
- Holbrookia approximans BAIRD, 1859
- Holbrookia elegans BOCOURT, 1874
- Holbrookia maculata GIRARD, 1851
- Holcosus amphigrammus (SMITH & LAUFE, 1945)
- Holcosus festivus (LICHTENSTEIN & MARTENS, 1856)
- Holcosus gaigeae (SMITH & LAUFE, 1946)
- Holcosus hartwegi (SMITH, 1940)
- Holcosus parvus (BARBOUR & NOBLE, 1915)
- Holcosus pulcher (HALLOWELL, 1861)
- Holcosus septemlineatus (DUMÉRIL, 1851)
- Holcosus sinister (SMITH & LAUFE, 1946)
- Holcosus stuarti SMITH, 1940
- Holcosus thomasi (SMITH & LAUFE, 1946)
- Holcosus undulatus (WIEGMANN, 1834)
- Homonota andicola CEI, 1978
- Homopus areolatus (THUNBERG, 1787)
- Homoroselaps lacteus (LINNAEUS, 1758)
- Hoplocercus spinosus FITZINGER, 1843
- Hydrodynastes gigas (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Hydromorphus concolor PETERS, 1859
- Hydrophis caerulescens (SHAW, 1802)
- Hydrophis cyanocinctus DAUDIN, 1803
- Hydrophis fasciatus (SCHNEIDER, 1799)
- Hydrophis inornatus (GRAY, 1849)
- Hydrophis kingii BOULENGER, 1896
- Hydrophis lapemoides (GRAY, 1849)
- Hydrophis nigrocinctus DAUDIN, 1803
- Hydrophis platurus (LINNAEUS, 1766)
- Hydrophis sibauensis RASMUSSEN, AULIYA & BÖHME, 2001
- Hydrophis spiralis (SHAW, 1802)
- Hydrophis stokesii (GRAY, 1846)
- Hydrophis torquatus GÜNTHER, 1864
- Hydrophis viperinus (SCHMIDT, 1852)
- Hydrops triangularis (WAGLER, 1824)
- Hypsiglena jani (DUGÈS, 1865)
- Hypsiglena ochrorhynchus COPE, 1860
- Hypsiglena slevini TANNER, 1943
- Hypsiglena torquata (GÜNTHER, 1860)
- Hypsiglena unaocularus TANNER, 1946
- Hypsirhynchus parvifrons (COPE, 1862)
- Hypsiscopus plumbeus (BOIE, 1827)
- Iberolacerta cyreni (MÜLLER & HELLMICH, 1937)
- Iberolacerta galani ARRIBAS, CARRANZA & ODIERNA, 2006
- Iberolacerta horvathi (MÉHELY, 1904)
- Iberolacerta martinezricai (ARRIBAS, 1996)
- Iberolacerta monticola (BOULENGER, 1905)
- Ichnotropis bivittata BOCAGE, 1866
- Ichnotropis capensis (SMITH, 1838)
- Iguana iguana (LINNAEUS, 1758)
- Imantodes cenchoa (LINNAEUS, 1758)
- Imantodes chocoensis TORRES-CARVAJAL, YÁNEZ-MUÑOZ, QUIROLA, SMITH & ALMENDÁRIZ, 2012
- Imantodes gemmistratus (COPE, 1861)
- Imantodes guane MISSASSI & PRUDENTE, 2015
- Imantodes inornatus (BOULENGER, 1896)
- Imantodes lentiferus (COPE, 1894)
- Indotestudo elongata (BLYTH, 1854)
- Indotyphlops braminus (DAUDIN, 1803)
- Insulasaurus arborens (TAYLOR, 1917)
- Iphisa elegans GRAY, 1851
- Isopachys anguinoides (BOULENGER, 1914)
- Karusasaurus polyzonus (SMITH, 1838)
- Kentropyx altamazonica (COPE, 1875)
- Kentropyx borckiana (PETERS, 1869)
- Kentropyx pelviceps (COPE, 1868)
- Kentropyx viridistriga (BOULENGER, 1894)
- Kinosternon albogulare (DUMÉRIL & BOCOURT, 1870)
- Kinosternon cruentatum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
- Kinosternon flavescens (AGASSIZ, 1857)
- Kinosternon hippocrepis GRAY, 1856
- Kinosternon hirtipes (WAGLER, 1830)
- Kinosternon integrum LE CONTE, 1854
- Kinosternon leucostomum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
- Kinosternon scorpioides (LINNAEUS, 1766)
- Kinosternon sonoriense LE CONTE, 1854
- Kinosternon subrubrum BONNATERRE, 1789
- Kinosternon vogti LÓPEZ-LUNA, CUPUL-MAGAÑA, ESCOBEDO-GALVÁN, GONZÁLEZ-HERNÁNDEZ, CENTENERO-ALCALÁ, RANGEL-MENDOZA, RAMÍREZ-RAMÍREZ & CAZARES-HERNÁNDEZ, 2018
- Kladirostratus togoensis (MATSCHIE, 1893)
- Lacerta agilis LINNAEUS, 1758
- Lacerta bilineata DAUDIN, 1802
- Lacerta schreiberi BEDRIAGA, 1878
- Lacerta strigata EICHWALD, 1831
- Lacerta viridis (LAURENTI, 1768)
- Lacertaspis gemmiventris (SJÖSTEDT, 1897)
- Lachesis acrochorda (GARCIA, 1896)
- Lachesis muta (LINNAEUS, 1766)
- Laemanctus longipes WIEGMANN, 1834
- Lampropeltis alterna (BROWN, 1901)
- Lampropeltis calligaster (HARLAN, 1827)
- Lampropeltis floridana (BLANCHARD, 1919)
- Lampropeltis gentilis (BAIRD & GIRARD, 1853)
- Lampropeltis getula (LINNAEUS, 1766)
- Lampropeltis holbrooki STEJNEGER, 1902
- Lampropeltis knoblochi TAYLOR, 1940
- Lampropeltis mexicana (GARMAN, 1884)
- Lampropeltis polyzona COPE, 1860
- Lampropeltis pyromelana (COPE, 1866)
- Lampropeltis rhombomaculata (HOLBROOK, 1840)
- Lampropeltis splendida (BAIRD & GIRARD, 1853)
- Lampropeltis triangulum (LACÉPÈDE, 1789)
- Lampropholis guichenoti (DUMÉRIL & BIBRON, 1839)
- Langaha madagascariensis BONATERRE, 1790
- Lankascincus fallax (PETERS, 1860)
- Laticauda colubrina (SCHNEIDER, 1799)
- Laudakia agrorensis (STOLICZKA, 1872)
- Laudakia pakistanica (BAIG, 1989)
- Laudakia stellio (LINNAEUS, 1758)
- Laudakia vulgaris (SONNINI & LATREILLE, 1802)
- Leiocephalus barahonensis SCHMIDT, 1921
- Leiocephalus macropus (COPE, 1863)
- Leiocephalus personatus (COPE, 1863)
- Leiocephalus stictigaster SCHWARTZ, 1959
- Leiolepis belliana (HARDWICKE & GRAY, 1827)
- Leiolepis ocellata PETERS, 1971
- Leiopython albertisii (PETERS & DORIA, 1878)
- Leiopython fredparkeri SCHLEIP, 2008
- Leiosaurus bellii DUMÉRIL & BIBRON, 1837
- Leiosaurus catamarcensis KOSLOWSKY, 1898
- Leiosaurus paronae (PERACCA, 1897)
- Lepidoblepharis intermedius BOULENGER, 1914
- Lepidoblepharis xanthostigma (NOBLE, 1916)
- Lepidochelys kempii GARMAN, 1880
- Lepidochelys olivacea (ESCHSCHOLTZ, 1829)
- Lepidodactylus lugubris (DUMÉRIL & BIBRON, 1836)
- Lepidophyma flavimaculatum DUMÉRIL, 1851
- Lepidophyma smithii BOCOURT, 1876
- Lepidophyma tarascae BEZY, WEBB & ÁLVAREZ, 1982
- Lepidophyma tuxtlae WERLER & SHANNON, 1957
- Leposternon microcephalus WAGLER, 1824
- Leptodeira annulata (LINNAEUS, 1758)
- Leptodeira approximans (GÜNTHER, 1872)
- Leptodeira ornata (BOCOURT, 1884)
- Leptodeira pulchriceps DUELLMAN, 1958
- Leptodeira septentrionalis (KENNICOTT, 1859)
- Leptodeira splendida GÜNTHER, 1885
- Leptomicrurus collaris (SCHLEGEL, 1837)
- Leptomicrurus narduccii (JAN, 1863)
- Leptomicrurus renjifoi LAMAR, 2003
- Leptomicrurus scutiventris (COPE, 1870)
- Leptophis ahaetulla (LINNAEUS, 1758)
- Leptophis bocourti BOULENGER, 1898
- Leptophis bolivianus OLIVER, 1942
- Leptophis coeruleodorsus OLIVER, 1942
- Leptophis cupreus (COPE, 1868)
- Leptophis depressirostris (COPE, 1861)
- Leptophis diplotropis (GÜNTHER, 1872)
- Leptophis marginatus (COPE, 1862)
- Leptophis nigromarginatus (GÜNTHER, 1866)
- Leptophis occidentalis (GÜNTHER, 1859)
- Leptophis urostictus (PETERS, 1873)
- Leptotyphlops conjunctus (JAN, 1861)
- Leptotyphlops lepezi (BOULENGER, 1901)
- Leptotyphlops mbanjensis BROADLEY & WALLACH, 2007
- Lerista connivens STORR, 1971
- Lerista desertorum (STERNFELD, 1919)
- Lerista elegans (GRAY, 1845)
- Lerista elongata STORR, 1990
- Lerista eupoda SMITH, 1996
- Lerista humphriesi STORR, 1971
- Lerista kendricki STORR, 1991
- Lerista lineata BELL, 1833
- Lerista macropisthopus (WERNER, 1903)
- Lerista micra SMITH & ADAMS, 2007
- Lerista microtis (GRAY, 1845)
- Lerista miopus (GÜNTHER, 1867)
- Lerista petersoni STORR, 1976
- Lerista picturata (FRY, 1914)
- Lerista planiventralis (LUCAS & FROST, 1902)
- Lerista praepedita (BOULENGER, 1887)
- Lerista timida (DE VIS, 1888)
- Lerista tridactyla STORR, 1990
- Lerista uniduo STORR, 1984
- Lerista varia STORR, 1986
- Lerista verhmens SMITH & ADAMS, 2007
- Lerista viduata STORR, 1991
- Letheobia graueri (STERNFELD, 1912)
- Lialis burtonis GRAY, 1834
- Limaformosa capensis (SMITH, 1847)
- Liolaemus alticolor BARBOUR, 1909
- Liolaemus andinus KOSLOWSKY, 1895
- Liolaemus annectens BOULENGER, 1901
- Liolaemus araucaniensis MÜLLER & HELLMICH, 1932
- Liolaemus austromendocinus CEI, 1974
- Liolaemus bellii GRAY, 1845
- Liolaemus bibronii (BELL, 1843)
- Liolaemus bitaeniatus LAURENT, 1984
- Liolaemus canqueli CEI, 1975
- Liolaemus capillitas HULSE, 1979
- Liolaemus cazianiae LOBO, SLODKI & VALDECANTOS, 2010
- Liolaemus chacoensis SHREVE, 1948
- Liolaemus chaltin LOBO & ESPINOZA, 2004
- Liolaemus chlorostictus LAURENT, 1992
- Liolaemus curicensis MÜLLER & HELLMICH, 1938
- Liolaemus cyaneinotatus MARTINEZ, AVILA, PEREZ, PEREZ, SITES & MORANDO, 2011
- Liolaemus darwinii (BELL, 1843)
- Liolaemus dicktracyi ESPINOZA & LOBO, 2003
- Liolaemus dorbignyi KOSLOWSKY, 1898
- Liolaemus duellmani CEI, 1978
- Liolaemus eleodori CEI, ETHERIDGE & VIDELA, 1985
- Liolaemus elongatus KOSLOWSKY, 1896
- Liolaemus etheridgei LAURENT, 1998
- Liolaemus famatinae CEI, 1980
- Liolaemus fittkaui LAURENT, 1986
- Liolaemus flavipiceus CEI & VIDELA, 2003
- Liolaemus forsteri LAURENT, 1982
- Liolaemus fuscus BOULENGER, 1885
- Liolaemus goetschi MÜLLER & HELLMICH, 1938
- Liolaemus gracielae ABDALA, ACOSTA, CABRERA, VILLAVICENCIO & MARINERO, 2009
- Liolaemus gracilis (BELL, 1843)
- Liolaemus griseus LAURENT, 1984
- Liolaemus gununakuna AVILA, MORANDO, PEREZ & SITES, 2004
- Liolaemus hauthali ABDALA, DÍAZ-GÓMEZ & LANGSTROTH, 2021
- Liolaemus heliodermis ESPINOZA, LOBO & CRUZ, 2000
- Liolaemus huacahuasicus LAURENT, 1985
- Liolaemus huayra ABDALA, QUINTEROS & ESPINOZA, 2008
- Liolaemus inacayali ABDALA, 2003
- Liolaemus inti ABDALA, QUINTEROS & ESPINOZA, 2008
- Liolaemus jamesi (BOULENGER, 1891)
- Liolaemus kriegi MÜLLER & HELLMICH, 1939
- Liolaemus laurenti ETHERIDGE, 1992
- Liolaemus lemniscatus GRAVENHORST, 1838
- Liolaemus lenzi BOETTGER, 1891
- Liolaemus melanops BURMEISTER, 1888
- Liolaemus montanezi CABRERA & MONGUILLOT, 2006
- Liolaemus montanus KOSLOWSKY, 1898
- Liolaemus moradoensis HELLMICH, 1950
- Liolaemus multicolor KOSLOWSKY, 1898
- Liolaemus multiformis (COPE, 1875)
- Liolaemus multimaculatus (DUMÉRIL & BIBRON, 1837)
- Liolaemus neuquensis MÜLLER & HELLMICH, 1939
- Liolaemus nigriceps (PHILIPPI, 1860)
- Liolaemus orko ABDALA & QUINTEROS, 2008
- Liolaemus pagaburoi LOBO & ESPINOZA, 1999
- Liolaemus pantherinus PELLEGRIN, 1909
- Liolaemus parvus QUINTEROS, ABDALA, GÓMEZ & SCROCCHI, 2008
- Liolaemus petrophilus DONOSO-BARROS & CEI, 1971
- Liolaemus pictus (DUMÉRIL & BIBRON, 1837)
- Liolaemus poecilochromus LAURENT, 1986
- Liolaemus pseudoanomalus (CEI, 1981)
- Liolaemus pulcherrimus LAURENT, 1992
- Liolaemus puna LOBO & ESPINOZA, 2004
- Liolaemus puritamensis NÚÑEZ & FOX, 1989
- Liolaemus ramirezae LOBO & ESPINOZA, 1999
- Liolaemus riojanus CEI, 1979
- Liolaemus ruibali DONOSO-BARROS, 1961
- Liolaemus sanjuanensis CEI, 1982
- Liolaemus schmidti (MARX, 1960)
- Liolaemus scrocchii QUINTEROS, ABDALA & LOBO, 2008
- Liolaemus signifer (DUMÈRIL & BIBRON, 1837)
- Liolaemus stolzmanni (STEINDACHNER, 1891)
- Liolaemus talampaya AVILA, MORANDO, PEREZ & SITES, 2004
- Liolaemus tenuis (DUMÉRIL & BIBRON, 1837)
- Liolaemus thermarum VIDELA & CEI, 1996
- Liolaemus tulkas QUINTEROS, ABDALA, GÓMEZ & SCROCCHI, 2008
- Liolaemus umbrifer ESPINOZA & LOBO, 2003
- Liolaemus vallecurensis PEREYRA, 1992
- Liolaemus vhagar QUINTEROS, RUIZ-MONACHESI & ABDALA, 2019
- Liolaemus vulcanus QUINTEROS & ABDALA, 2011
- Liolaemus yalguaraz ABDALA, QUINTEROS & SEMHAM, 2015
- Liolaemus yarabamba QUIROZ, HUAMANÍ-VALDERRAMA, GUTIÉRREZ, AGUILAR-KIRIGIN, CHAPARRO & ABDALA, 2021
- Liopholis inornata (ROSÉN, 1905)
- Liopholis modesta (STORR, 1968)
- Liotyphlops albirostris (PETERS, 1858)
- Lipinia vittigera (BOULENGER, 1894)
- Lissemys punctata (BONNATERRE, 1789)
- Lissemys scutata (PETERS, 1868)
- Lophocalotes ludekingi (BLEEKER, 1860)
- Loxocemus bicolor COPE, 1861
- Lucasium alboguttatum (WERNER, 1910)
- Lucasium damaeum (LUCAS & FROST, 1896)
- Lucasium immaculatum (STORR, 1988)
- Lucasium maini (KLUGE, 1962)
- Lucasium squarrosum (KLUGE, 1962)
- Lycodon aulicus (LINNAEUS, 1758)
- Lycodon capucinus BOIE, 1827
- Lycodon carinatus (KUHL, 1820)
- Lycodon fasciolatus (SHAW, 1802)
- Lycodon gracilis (GÜNTHER, 1864)
- Lycodon paucifasciatus RENDAHL, 1943
- Lycodon striatus (SHAW, 1802)
- Lycodonomorphus laevissimus (GÜNTHER, 1862)
- Lycodonomorphus rufulus (LICHTENSTEIN, 1823)
- Lycophidion irroratum (LEACH, 1819)
- Lygodactylus conraui TORNIER, 1902
- Lygodactylus gutturalis (BOCAGE, 1873)
- Lygodactylus wetzeli (SMITH, MARTIN & SWAIN, 1977)
- Lygophis dilepis COPE, 1862
- Lygophis lineatus (LINNAEUS, 1758)
- Lygophis meridionalis (SCHENKEL, 1901)
- Lygosoma quadrupes (LINNAEUS, 1766)
- Mabuya altamazonica MIRALLES, BARRIO-AMOROS, RIVAS, CHAPARRO-AUZA, 2006
- Mabuya bistriata (SPIX, 1825)
- Mabuya mabouya (BONNATERRE, 1789)
- Macrochelys temminckii (TROOST, 1835)
- Macroprotodon brevis (GÜNTHER, 1862)
- Macroprotodon mauritanicus GUICHENOT, 1850
- Macrovipera lebetinus (LINNAEUS, 1758)
- Madascincus igneocaudatus (GRANDIDIER, 1867)
- Madascincus miafina MIRALLES, KÖHLER, GLAW & VENCES, 2016
- Madascincus polleni (GRANDIDIER, 1869)
- Malaclemys terrapin (SCHOEPFF, 1793)
- Malayemys macrocephala (GRAY, 1859)
- Malayemys subtrijuga (SCHLEGEL & MÜLLER, 1845)
- Malayopython reticulatus (SCHNEIDER, 1801)
- Malpolon insignitus (GEOFFROY SAINT-HILAIRE, 1827)
- Malpolon monspessulanus (HERMANN, 1804)
- Manciola guaporicola (DUNN, 1935)
- Manolepis putnami (JAN, 1863)
- Manouria emys (SCHLEGEL & MÜLLER, 1844)
- Manouria impressa (GÜNTHER, 1882)
- Mantheyus phuwuanensis (MANTHEY & NABHITABHATA, 1991)
- Marisora brachypoda (TAYLOR, 1956)
- Marisora falconensis (MIJARES-URRUTIA & ARENDS, 1997)
- Marisora pergravis (BARBOUR, 1921)
- Masticophis anthonyi (STEJNEGER, 1901)
- Masticophis bilineatus JAN, 1863
- Masticophis flagellum (SHAW, 1802)
- Masticophis lineatus BOCOURT, 1890
- Masticophis mentovarius (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Masticophis piceus (COPE, 1892)
- Masticophis schotti BAIRD & GIRARD, 1853
- Masticophis taeniatus (HALLOWELL, 1852)
- Mastigodryas alternatus (BOCOURT, 1884)
- Mastigodryas boddaerti (SENTZEN, 1796)
- Mastigodryas melanolomus (COPE, 1868)
- Mastigodryas pleii (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Mastigodryas pulchriceps (COPE, 1868)
- Mauremys annamensis (SIEBENROCK, 1903)
- Mauremys caspica (GMELIN, 1774)
- Mauremys japonica (TEMMINCK & SCHLEGEL, 1835)
- Mauremys leprosa (SCHWEIGGER, 1812)
- Mauremys mutica (CANTOR, 1842)
- Mauremys reevesii (GRAY, 1831)
- Mauremys rivulata (VALENCIENNES, 1833)
- Mauremys sinensis (GRAY, 1834)
- Mecistops cataphractus (CUVIER, 1825)
- Mediodactylus walli (INGOLDBY, 1922)
- Medopheos edracanthus (BOCOURT, 1874)
- Melanochelys trijuga (SCHWEIGGER, 1812)
- Menetia greyii GRAY, 1845
- Menetia surda STORR, 1976
- Mesalina guttulata (LICHTENSTEIN, 1823)
- Mesalina olivieri (AUDOUIN, 1829)
- Mesalina simoni (BOETTGER, 1881)
- Mesoclemmys raniceps (GRAY, 1856)
- Mesoclemmys vanderhaegei (BOUR, 1973)
- Mesoclemmys wermuthi (MERTENS, 1969)
- Micrablepharus maximiliani (REINHARDT & LÜTKEN, 1862)
- Microcephalophis cantoris (GÜNTHER, 1864)
- Microcephalophis gracilis (SHAW, 1802)
- Microlophus albemarlensis (BAUR, 1890)
- Micruroides euryxanthus (KENNICOTT, 1860)
- Micrurus albicinctus AMARAL, 1925
- Micrurus alleni SCHMIDT, 1936
- Micrurus ancoralis (JAN, 1872)
- Micrurus apiatus (JAN, 1858)
- Micrurus bocourti (JAN, 1872)
- Micrurus corallinus (MERREM, 1820)
- Micrurus diastema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus dissoleucus COPE, 1860
- Micrurus distans KENNICOTT, 1860
- Micrurus dumerilii (JAN, 1858)
- Micrurus helleri SCHMIDT & SCHMIDT, 1925
- Micrurus hemprichii (JAN, 1858)
- Micrurus isozonus (COPE, 1860)
- Micrurus langsdorffi (WAGLER, 1824)
- Micrurus laticollaris PETERS, 1870
- Micrurus lemniscatus (LINNAEUS, 1758)
- Micrurus medemi ROZE, 1967
- Micrurus michoacanensis DUGES, 1891
- Micrurus mipartitus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- 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 psyches (DAUDIN, 1803)
- Micrurus putumayensis LANCINI, 1962
- Micrurus pyrrhocryptus (COPE, 1862)
- Micrurus remotus ROZE, 1987
- Micrurus spixii WAGLER, 1824
- Micrurus surinamensis (CUVIER, 1816)
- Micrurus tener (BAIRD & GIRARD, 1853)
- Mochlus fernandi (BURTON, 1836)
- Moloch horridus GRAY, 1841
- Monopeltis anchietae (BOCAGE, 1873)
- Montivipera xanthina (GRAY, 1849)
- Morelia imbricata (SMITH, 1981)
- Morelia spilota (LACÉPÈDE, 1804)
- Morenia ocellata (DUMÉRIL & BIBRON, 1835)
- Morethia butleri (STORR, 1963)
- Morethia lineoocellata (DUMÉRIL & BIBRON, 1839)
- Morethia obscura STORR, 1972
- Mussurana bicolor (PERACCA, 1904)
- Naja atra CANTOR, 1842
- Naja haje (LINNAEUS, 1758)
- Naja kaouthia LESSON, 1831
- Naja naja (LINNAEUS, 1758)
- Naja nigricincta BOGERT, 1940
- Naja nigricollis REINHARDT, 1843
- Naja nivea (LINNAEUS, 1758)
- Naja peroescobari CERÍACO, MARQUES, SCHMITZ & BAUER, 2017
- Narophis bimaculatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Natrix astreptophora (LOPEZ-SEOANE, 1885)
- Natrix helvetica (LACÉPÈDE, 1789)
- Natrix maura (LINNAEUS, 1758)
- Natrix natrix (LINNAEUS, 1758)
- Natrix tessellata (LAURENTI, 1768)
- Neelaps calonotos (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Nephrurus levis DE VIS, 1886
- Nerodia clarkii (BAIRD & GIRARD, 1853)
- Nerodia erythrogaster (FORSTER, 1771)
- Nerodia fasciata (LINNAEUS, 1766)
- Nerodia rhombifer (HALLOWELL, 1852)
- Nerodia sipedon (LINNAEUS, 1758)
- Ninia atrata (HALLOWELL, 1845)
- Ninia hudsoni PARKER, 1940
- Ninia sebae (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Ninia teresitae ANGARITA-SIERRA & LYNCH, 2017
- Notechis scutatus (PETERS, 1861)
- Nothopsis rugosus COPE, 1871
- Notochelys platynota (GRAY, 1834)
- Notomabuya frenata (COPE, 1863)
- Notoscincus ornatus (BROOM, 1896)
- Nucras broadleyi BRANCH, CONRADIE, VAZ-PINTO & TOLLEY, 2019
- Nucras damarana PARKER, 1936
- Nucras holubi (STEINDACHNER, 1882)
- Nucras intertexta (SMITH, 1838)
- Nucras livida (SMITH, 1838)
- Nucras ornata (GRAY, 1864)
- Oligodon arnensis (SHAW, 1802)
- Oligodon erythrogaster BOULENGER, 1907
- Oligodon russelius (DAUDIN, 1803)
- Oligodon taeniolatus (JERDON, 1853)
- Oligosoma homalonotum (BOULENGER, 1906)
- Oocatochus rufodorsatus (CANTOR, 1842)
- Opheodrys vernalis (HARLAN, 1827)
- Ophiodes fragilis (RADDI, 1820)
- Ophiodes intermedius BOULENGER, 1894
- Ophiodes luciae CACCIALI & SCOTT, 2015
- Ophiodes striatus (SPIX, 1824)
- Ophiophagus hannah (CANTOR, 1836)
- Ophisaurus ventralis (LINNAEUS, 1766)
- Ophisops elegans MÉNÉTRIES, 1832
- Ophisops jerdonii BLYTH, 1853
- Ophisops kutchensis AGARWAL, KHANDEKAR, RAMAKRISHNAN, VYAS & GIRI, 2018
- Oplurus cyclurus (MERREM, 1820)
- Oreocryptophis porphyraceus (CANTOR, 1839)
- Orlitia borneensis GRAY, 1873
- Ouroborus cataphractus (BOIE, 1828)
- Oxybelis aeneus (WAGLER, 1824)
- Oxybelis brevirostris (COPE, 1861)
- Oxybelis fulgidus (DAUDIN, 1803)
- Oxybelis microphthalmus BARBOUR & AMARAL, 1926
- 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
- Oxyuranus scutellatus (PETERS, 1867)
- Pachydactylus capensis (SMITH, 1846)
- Pachydactylus purcelli BOULENGER, 1910
- Pachydactylus rugosus SMITH, 1849
- Pachydactylus sansteynae STEYN & MITCHELL, 1967
- Paleosuchus palpebrosus (CUVIER, 1807)
- Paleosuchus trigonatus (SCHNEIDER, 1801)
- Palusophis bifossatus (RADDI, 1820)
- Panaspis togoensis (WERNER, 1902)
- Pangshura tecta (GRAY, 1831)
- Pangshura tentoria (GRAY, 1834)
- Panolopus lanceolatus SCHOOLS & HEDGES, 2024
- Panolopus leionotus SCHWARTZ, 1964
- Pantherophis alleghaniensis (HOLBROOK, 1836)
- Pantherophis bairdi (YARROW, 1880)
- Pantherophis emoryi (BAIRD & GIRARD, 1853)
- Pantherophis guttatus (LINNAEUS, 1766)
- Pantherophis obsoletus (SAY, 1823)
- Pantherophis quadrivittatus (HOLBROOK, 1836)
- Pantherophis ramspotti CROTHER, WHITE, SAVAGE, ECKSTUT, GRAHAM & GARDNER, 2011
- Pantherophis slowinskii (BURBRINK, 2002)
- Pantherophis vulpinus (BAIRD & GIRARD, 1853)
- Paralaudakia caucasia (EICHWALD, 1831)
- Pareas carinatus WAGLER, 1830
- Pareas margaritophorus (JAN, 1866)
- Parvoscincus boyingi (BROWN, LINKEM, DIESMOS, BALETE, DUYA & FERNER, 2010)
- Parvoscincus steerei (STEJNEGER, 1908)
- Pedioplanis burchelli (DUMÉRIL & BIBRON, 1839)
- Pedioplanis lineoocellata (DUMÉRIL & BIBRON, 1839)
- Pedioplanis namaquensis (DUMÉRIL & BIBRON, 1839)
- Pelochelys cantorii GRAY, 1864
- Pelodiscus sinensis (WIEGMANN, 1835)
- Pelomedusa galeata (SCHOEPFF, 1792)
- Pelomedusa gehafie (RÜPPELL, 1835)
- Pelusios castanoides HEWITT, 1931
- Pelusios sinuatus (SMITH, 1838)
- Pelusios subniger (BONNATERRE, 1789)
- Petrosaurus repens (VAN DENBURGH, 1895)
- Petrosaurus thalassinus (COPE, 1863)
- Phalotris bilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phalotris lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phalotris spegazzinii (BOULENGER, 1913)
- Phalotris suspectus (AMARAL, 1924)
- Phalotris tricolor (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phelsuma abbotti STEJNEGER, 1893
- Phelsuma grandis GRAY, 1870
- Phelsuma guimbeaui MERTENS, 1963
- Phelsuma kochi MERTENS, 1954
- Phelsuma madagascariensis GRAY, 1831
- Philodryas aestiva (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Philodryas baroni BERG, 1895
- Philodryas erlandi LÖNNBERG, 1902
- Philodryas nattereri (STEINDACHNER, 1870)
- Philodryas olfersii (LICHTENSTEIN, 1823)
- Philodryas psammophidea GÜNTHER, 1872
- Philothamnus angolensis BOCAGE, 1882
- Philothamnus battersbyi LOVERIDGE, 1951
- 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 irregularis (LEACH, 1819)
- Philothamnus mayombensis TRAPE, COLLET, HUGHES & MEDIANNIKOV, 2021
- Philothamnus natalensis (SMITH, 1848)
- Philothamnus nitidus (GÜNTHER, 1863)
- Philothamnus occidentalis BROADLEY, 1966
- Philothamnus ornatus BOCAGE, 1872
- Philothamnus ruandae LOVERIDGE, 1951
- Philothamnus semivariegatus (SMITH, 1840)
- Philothamnus thomensis BOCAGE, 1882
- Phimophis guianensis (TROSCHEL, 1848)
- Phimophis vittatus (BOULENGER, 1896)
- Phoenicolacerta laevis (GRAY, 1838)
- Phoenicolacerta troodica (WERNER, 1936)
- Pholidoscelis auberi (COCTEAU, 1838)
- Pholidoscelis chrysolaemus (COPE, 1868)
- Pholidoscelis major (DUMÉRIL & BIBRON, 1839)
- Pholidoscelis maynardii (GARMAN, 1888)
- Pholidoscelis taeniurus (COPE, 1862)
- Phrynocephalus arabicus ANDERSON, 1894
- Phrynocephalus helioscopus (PALLAS, 1771)
- Phrynocephalus interscapularis LICHTENSTEIN, 1856
- Phrynocephalus saidalievi SATTOROV, 1981
- Phrynonax poecilonotus (GÜNTHER, 1858)
- Phrynonax shropshirei BARBOUR & AMARAL, 1924
- Phrynops geoffroanus (SCHWEIGGER, 1812)
- Phrynosoma cornutum (HARLAN, 1825)
- Phrynosoma coronatum (BLAINVILLE, 1835)
- Phrynosoma douglasii (BELL, 1829)
- Phrynosoma hernandesi GIRARD, 1858
- Phrynosoma modestum GIRARD, 1852
- Phrynosoma orbiculare (LINNAEUS, 1758)
- Phrynosoma ornatissimum GIRARD, 1858
- Phrynosoma platyrhinos GIRARD, 1852
- Phrynosoma solare GRAY, 1845
- Phyllodactylus isabelae CASTRO-FRANCO & URIBE-PENA, 1992
- Phyllodactylus lanei SMITH, 1935
- Phyllodactylus lupitae CASTRO-FRANCO & URIBE-PENA, 1992
- Phyllodactylus magister NOBLE, 1924
- Phyllodactylus magnus TAYLOR, 1942
- Phyllodactylus reissii PETERS, 1862
- Phyllodactylus rupinus DIXON, 1964
- Phyllodactylus saxatilis DIXON, 1964
- Phyllodactylus sommeri SCHWARTZ, 1979
- Phyllodactylus tuberculosus WIEGMANN, 1834
- Phyllodactylus unctus (COPE, 1863)
- Phyllodactylus ventralis O'SHAUGHNESSY, 1875
- Phyllodactylus xanti COPE, 1863
- Phyllopezus periosus RODRIGUES, 1986
- Phyllopezus pollicaris (SPIX, 1825)
- Phyllorhynchus decurtatus (COPE, 1868)
- Phymaturus antofagastensis PEREYRA, 1985
- Phymaturus etheridgei LOBO, ABDALA & VALDECANTOS, 2010
- Phymaturus felixi LOBO, ABDALA & VALDECANTOS, 2010
- Phymaturus fiambala LOBO, HIBBARD, QUIPILDOR & VALDECANTOS, 2019
- Phymaturus indistinctus CEI & CASTRO, 1973
- Phymaturus laurenti LOBO, ABDALA & VALDECANTOS, 2010
- Phymaturus mallimaccii CEI, 1980
- Phymaturus nevadoi CEI & ROIG, 1975
- Phymaturus palluma (MOLINA, 1782)
- Phymaturus patagonicus KOSLOWSKY, 1898
- Phymaturus payuniae CEI & CASTRO, 1973
- Phymaturus roigorum LOBO & ABDALA, 2007
- Phymaturus somuncurensis CEI & CASTRO, 1973
- Phymaturus spurcus BARBOUR, 1921
- Phymaturus tenebrosus LOBO & QUINTEROS, 2005
- Phymaturus verdugo CEI & VIDELA, 2003
- Phymaturus vociferator PINCHEIRA-DONOSO, 2004
- Phymaturus williamsi LOBO, LASPIUR & ACOSTA, 2013
- Phymaturus zapalensis CEI & CASTRO, 1973
- Pinoyscincus jagori (PETERS, 1864)
- Pituophis catenifer (BLAINVILLE, 1835)
- Pituophis deppei (DUMÉRIL, 1853)
- Pituophis melanoleucus (DAUDIN, 1803)
- Pituophis ruthveni STULL, 1929
- Platemys platycephala (SCHNEIDER, 1792)
- Platyceps gracilis (GÜNTHER, 1862)
- Platyceps plinii (MERREM, 1820)
- Platysaurus broadleyi BRANCH & WHITING, 1997
- Platysaurus intermedius MATSCHIE, 1891
- Platysaurus pungweensis BROADLEY, 1959
- Plestiodon bilineatus (TANNER, 1958)
- Plestiodon colimensis (TAYLOR, 1935)
- Plestiodon elegans (BOULENGER, 1887)
- Plestiodon fasciatus (LINNAEUS, 1758)
- Plestiodon indubitus (TAYLOR, 1934)
- Plestiodon laticeps (SCHNEIDER, 1801)
- Plestiodon lynxe (WIEGMANN, 1834)
- Plestiodon multivirgatus HALLOWELL, 1858
- Plestiodon obsoletus BAIRD & GIRARD, 1852
- Plestiodon skiltonianus BAIRD & GIRARD, 1852
- Plestiodon takarai KURITA, OTA & HIKIDA, 2017
- Plestiodon tetragrammus BAIRD, 1859
- Pletholax edelensis STORR, 1978
- Pletholax gracilis (COPE, 1864)
- Plica plica (LINNAEUS, 1758)
- Plica umbra (LINNAEUS, 1758)
- Pliocercus elapoides COPE, 1860
- Pliocercus euryzonus COPE, 1862
- Podarcis bocagei (LOPEZ-SEOANE, 1885)
- Podarcis cretensis (WETTSTEIN, 1952)
- Podarcis erhardii (BEDRIAGA, 1882)
- Podarcis filfolensis (BEDRIAGA, 1876)
- Podarcis gaigeae (WERNER, 1930)
- Podarcis hispanicus (STEINDACHNER, 1870)
- Podarcis ionicus (LEHRS, 1902)
- Podarcis lilfordi (GÜNTHER, 1874)
- Podarcis melisellensis (BRAUN, 1877)
- Podarcis milensis (BEDRIAGA, 1882)
- Podarcis muralis (LAURENTI, 1768)
- Podarcis peloponnesiacus (BIBRON & BORY, 1833)
- Podarcis pityusensis (BOSCÁ, 1883)
- Podarcis siculus (RAFINESQUE-SCHMALTZ, 1810)
- Podarcis tauricus (GEORGI, 1801)
- Podarcis thais (BUCHHOLZ, 1960)
- Podarcis tiliguerta (GMELIN, 1789)
- Podarcis vaucheri (BOULENGER, 1905)
- Pogona barbata (CUVIER, 1829)
- Pogona minor (STERNFELD, 1919)
- Pogona vitticeps (AHL, 1926)
- Polychrus acutirostris SPIX, 1825
- Polychrus femoralis WERNER, 1910
- Polychrus liogaster BOULENGER, 1908
- Porthidium hespere (CAMPBELL, 1976)
- Porthidium lansbergii (SCHLEGEL, 1841)
- Porthidium nasutum (BOCOURT, 1868)
- Potamites ecpleopus (COPE, 1875)
- Prosymna ambigua BOCAGE, 1873
- Prosymna sundevalli (SMITH, 1849)
- Protobothrops elegans (GRAY, 1849)
- Protobothrops mucrosquamatus (CANTOR, 1839)
- Psammobates oculifer (KUHL, 1820)
- Psammobates tentorius (BELL, 1828)
- Psammodromus algirus (LINNAEUS, 1758)
- Psammodromus hispanicus FITZINGER, 1826
- Psammodromus microdactylus (BOETTGER, 1881)
- Psammodynastes pulverulentus (BOIE, 1827)
- Psammophilus blanfordanus (STOLICZKA, 1871)
- Psammophilus dorsalis (GRAY, 1831)
- Psammophis condanarus (MERREM, 1820)
- Psammophis crucifer (DAUDIN, 1803)
- Psammophis leightoni BOULENGER, 1902
- Psammophis leithii GÜNTHER, 1869
- Psammophis longifrons BOULENGER, 1890
- Psammophis mossambicus PETERS, 1882
- Psammophis notostictus PETERS, 1867
- Psammophis schokari (FORSKÅL, 1775)
- Psammophis sibilans (LINNAEUS, 1758)
- Psammophylax rhombeatus (LINNAEUS, 1758)
- Pseudablabes patagoniensis (GIRARD, 1858)
- Pseudaspis cana (LINNAEUS, 1758)
- Pseudechis australis (GRAY, 1842)
- Pseudemydura umbrina SIEBENROCK, 1901
- Pseudemys concinna (LE CONTE, 1830)
- Pseudemys floridana (LE CONTE, 1830)
- Pseudemys gorzugi WARD, 1984
- Pseudoboa coronata SCHNEIDER, 1801
- Pseudoboa neuwiedii (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudoboa nigra (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudocalotes microlepis (BOULENGER, 1888)
- Pseudocordylus microlepidotus (CUVIER, 1829)
- Pseudoeryx plicatilis (LINNAEUS, 1758)
- Pseudoficimia frontalis (COPE, 1864)
- Pseudogonatodes guianensis PARKER, 1935
- Pseudoleptodeira latifasciata (GÜNTHER, 1894)
- Pseudonaja mengdeni WELLS & WELLINGTON, 1985
- Pseudonaja modesta (GÜNTHER, 1872)
- Pseudonaja nuchalis GÜNTHER, 1858
- Pseudopus apodus (PALLAS, 1775)
- Pseudotrapelus sinaitus (HEYDEN, 1827)
- Pseudoxenodon macrops (BLYTH, 1855)
- Psomophis genimaculatus (BOETTGER, 1885)
- Ptyas dhumnades (CANTOR, 1842)
- Ptyas fusca (GÜNTHER, 1858)
- Ptyas korros (SCHLEGEL, 1837)
- Ptyas mucosa (LINNAEUS, 1758)
- Ptyodactylus hasselquistii (DONNDORFF, 1798)
- Pygopus lepidopodus (LACÉPÈDE, 1804)
- Pygopus nigriceps (FISCHER, 1882)
- Python bivittatus KUHL, 1820
- Python brongersmai STULL, 1938
- Python molurus (LINNAEUS, 1758)
- Python natalensis SMITH, 1840
- Python regius (SHAW, 1802)
- Python sebae (GMELIN, 1789)
- Raclitia indica GRAY, 1842
- Rafetus euphraticus (DAUDIN, 1801)
- Ramphotyphlops australis GRAY, 1845
- Ramphotyphlops endoterus (WAITE, 1918)
- Ramphotyphlops grypus (WAITE, 1918)
- Ramphotyphlops hamatus (STORR, 1981)
- Ramphotyphlops leptosoma (ROBB, 1972)
- Ramphotyphlops obtusifrons ELLIS & DOUGHTY, 2017
- Regina grahamii BAIRD & GIRARD, 1853
- Regina septemvittata (SAY, 1825)
- Rena dugesii (BOCOURT, 1881)
- Rena dulcis BAIRD & GIRARD, 1853
- Rena humilis BAIRD & GIRARD, 1853
- Rena unguirostris (BOULENGER, 1902)
- Rhabdophis chrysargos (SCHLEGEL, 1837)
- Rhabdophis flaviceps (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Rhabdophis leonardi (WALL, 1923)
- Rhabdophis nigrocinctus (BLYTH, 1856)
- Rhabdophis plumbicolor (CANTOR, 1839)
- Rhabdophis subminiatus (SCHLEGEL, 1837)
- Rhabdophis tigrinus (BOIE, 1826)
- Rhadinaea decorata (GÜNTHER, 1858)
- Rhadinaea hesperia BAILEY, 1940
- Rhadinaea taeniata (PETERS, 1863)
- Rhamnophis aethiopissa GÜNTHER, 1862
- Rhamnophis batesii (BOULENGER, 1908)
- Rhinobothryum bovallii (ANDERSSON, 1916)
- Rhinobothryum lentiginosum (SCOPOLI, 1785)
- Rhinocheilus lecontei BAIRD & GIRARD, 1853
- Rhinoclemmys nasuta (BOULENGER, 1902)
- Rhinoclemmys rubida (COPE, 1870)
- Rhinophis homolepis HEMPRICH, 1820
- Rhinophis porrectus WALL, 1921
- Rhinotyphlops lalandei (SCHLEGEL, 1839)
- Rhynchoedura ornata GÜNTHER, 1867
- Riama columbiana (ANDERSSON, 1914)
- Riopa albopunctata GRAY, 1846
- Riopa lineata (GRAY, 1839)
- Riopa punctata (LINNAEUS, 1758)
- Saara hardwickii (GRAY, 1827)
- Salvadora bairdi JAN, 1860
- Salvadora deserticola SCHMIDT, 1940
- Salvadora grahamiae BAIRD & GIRARD, 1853
- Salvadora hexalepis (COPE, 1867)
- Salvadora intermedia HARTWEG, 1940
- Salvadora lemniscata (COPE, 1895)
- Salvadora lineata SCHMIDT, 1940
- Salvadora mexicana (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Salvator merianae DUMÉRIL & BIBRON, 1839
- Salvator rufescens (GÜNTHER, 1871)
- Saphenophis boursieri (JAN, 1867)
- Saurodactylus brosseti BONS & PASTEUR, 1957
- Saurodactylus fasciatus WERNER, 1931
- Sauromalus ater DUMÉRIL, 1856
- Sauromalus hispidus STEJNEGER, 1891
- Sauromalus slevini VAN DENBURGH, 1922
- Sauromalus varius DICKERSON, 1919
- Scaphiodontophis annulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Sceloporus albiventris SMITH, 1939
- Sceloporus arenicolus DEGENHARDT & JONES, 1972
- Sceloporus bimaculosus PHELAN & BRATTSTROM, 1955
- Sceloporus brownorum SMITH, WATKINS-COLWELL, LEMOS-ESPINAL & CHISZAR, 1997
- Sceloporus bulleri BOULENGER, 1895
- Sceloporus clarkii BAIRD & GIRARD, 1852
- Sceloporus consobrinus BAIRD & GIRARD, 1854
- Sceloporus cowlesi LOWE & NORRIS, 1956
- Sceloporus cyanogenys COPE, 1885
- Sceloporus cyanostictus AXTELL & AXTELL, 1971
- Sceloporus dugesii BOCOURT, 1874
- Sceloporus graciosus BAIRD & GIRARD, 1852
- Sceloporus grammicus WIEGMANN, 1828
- Sceloporus horridus WIEGMANN, 1834
- Sceloporus jarrovii COPE, 1875
- Sceloporus licki VAN DENBURGH, 1895
- Sceloporus magister HALLOWELL, 1854
- Sceloporus melanogaster COPE, 1885
- Sceloporus melanorhinus BOCOURT, 1876
- Sceloporus minor COPE, 1885
- Sceloporus nelsoni COCHRAN, 1923
- Sceloporus occidentalis BAIRD & GIRARD, 1852
- Sceloporus orcutti STEJNEGER, 1893
- Sceloporus palaciosi LARA-GONGORA, 1983
- Sceloporus poinsettii BAIRD & GIRARD, 1852
- Sceloporus pyrocephalus COPE, 1864
- Sceloporus scalaris WIEGMANN, 1828
- Sceloporus serrifer COPE, 1866
- Sceloporus shannonorum LANGEBARTEL, 1959
- Sceloporus slevini SMITH, 1937
- Sceloporus spinosus WIEGMANN, 1828
- Sceloporus sugillatus SMITH, 1942
- 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 virgatus SMITH, 1938
- Sceloporus zosteromus COPE, 1863
- Scincella apraefrontalis NGUYEN, NGUYEN, BÖHME & ZIEGLER, 2010
- Scincella assata (COPE, 1864)
- Scincella badenensis NGUYEN, NGUYEN, NGUYEN & MURPHY, 2019
- Scincella barbouri (STEJNEGER, 1925)
- Scincella caudaequinae (SMITH, 1951)
- Scincella cherriei (COPE, 1893)
- Scincella doriae (BOULENGER, 1887)
- Scincella incerta (STUART, 1940)
- Scincella lateralis (SAY, 1822)
- Scincella melanosticta (BOULENGER, 1888)
- Scincella modesta (GÜNTHER, 1864)
- Scincella monticola (SCHMIDT, 1925)
- Scincella ochracea (BOURRET, 1937)
- Scincella potanini (GÜNTHER, 1896)
- Scincella reevesii (GRAY, 1839)
- Scincella rufocaudata (DAREVSKY & NGUYEN VAN SANG, 1983)
- Scincella rupicola (SMITH, 1916)
- Senticolis triaspis (COPE, 1866)
- Sibon annulatus (GÜNTHER, 1872)
- Sibon argus (COPE, 1875)
- Sibon ayerbeorum VERA-PÉREZ, 2019
- Sibon dimidiatus (GÜNTHER, 1872)
- Sibon nebulatus (LINNAEUS, 1758)
- Sibynophis geminatus (BOIE, 1826)
- Sibynophis melanocephalus (GRAY, 1834)
- Sibynophis subpunctatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Siderolamprus orobius (SAVAGE & LIPS, 1993)
- Siebenrockiella crassicollis (GRAY, 1831)
- Simophis rhinostoma (SCHLEGEL, 1837)
- Simoselaps bertholdi (JAN, 1859)
- Simoselaps littoralis (STORR, 1968)
- Siphlophis cervinus (LAURENTI, 1768)
- Siphlophis compressus (DAUDIN, 1803)
- Sistrurus catenatus (RAFINESQUE, 1818)
- Sistrurus tergeminus (SAY, 1823)
- Sitana kalesari BAHUGUNA, 2015
- Smaug warreni (BOULENGER, 1908)
- Sonora annulata (BAIRD, 1859)
- Sonora cincta (COPE, 1861)
- Sonora episcopa (KENNICOTT, 1859)
- Sonora fasciata (COPE, 1892)
- Sonora michoacanensis (DUGÈS, 1885)
- Sonora mutabilis STICKEL, 1943
- Sonora occipitalis (HALLOWELL, 1854)
- Sonora punctatissima (VAN DENBURGH & SLEVIN, 1921)
- Sonora semiannulata BAIRD & GIRARD, 1853
- Sonora straminea (COPE, 1860)
- Sphaerodactylus argus GOSSE, 1850
- Sphaerodactylus armasi SCHWARTZ & GARRIDO, 1974
- Sphaerodactylus copei STEINDACHNER, 1867
- Sphaerodactylus difficilis BARBOUR, 1914
- Sphaerodactylus elegans (MACLEAY, 1834)
- Sphaerodactylus fantasticus DUMÉRIL & BIBRON, 1836
- Sphaerodactylus glaucus COPE, 1866
- Sphaerodactylus grandisquamis STEJNEGER, 1904
- Sphaerodactylus intermedius BARBOUR & RAMSDEN, 1919
- Sphaerodactylus klauberi GRANT, 1931
- Sphaerodactylus macrolepis GÜNTHER, 1859
- Sphaerodactylus nigropunctatus GRAY, 1845
- Sphaerodactylus notatus (BAIRD, 1859)
- Sphaerodactylus streptophorus THOMAS & SCHWARTZ, 1977
- Sphaerodactylus vincenti BOULENGER, 1891
- Sphenodon punctatus (GRAY, 1842)
- Sphenomorphus indicus (GRAY, 1853)
- Sphenomorphus maculatus (BLYTH, 1853)
- Sphenomorphus tersus (SMITH, 1916)
- Sphenomorphus vanheurni (BRONGERSMA, 1942)
- Spilotes pullatus (LINNAEUS, 1758)
- Spilotes sulphureus (WAGLER, 1824)
- Spondylurus lineolatus (NOBLE & HASSLER, 1933)
- Spondylurus sloanii (DAUDIN, 1803)
- Stegonotus poechi WERNER, 1924
- Stenocercus apurimacus FRITTS, 1972
- Stenocercus caducus (COPE, 1863)
- Stenocercus fimbriatus AVILA-PIRES, 1995
- Stenocercus formosus (TSCHUDI, 1845)
- Stenocercus humeralis (GÜNTHER, 1859)
- Stenocercus iridescens (GÜNTHER, 1859)
- Stenocercus ochoai FRITTS, 1972
- Stenocercus roseiventris D’ORBIGNY in DUMÉRIL & BIBRON, 1837
- Stenocercus scapularis (BOULENGER, 1901)
- Stenodactylus yemenensis ARNOLD, 1980
- Stenorrhina degenhardtii (BERTHOLD, 1846)
- Sternotherus minor (AGASSIZ, 1857)
- Sternotherus odoratus (LATREILLE, 1802)
- Stigmochelys pardalis (BELL, 1828)
- Storeria dekayi (HOLBROOK, 1839)
- Storeria occipitomaculata (STORER, 1839)
- Storeria storerioides (COPE, 1866)
- Strophurus assimilis (STORR, 1988)
- Strophurus ciliaris (BOULENGER, 1885)
- Strophurus intermedius (OGILBY, 1892)
- Strophurus michaelseni (WERNER, 1910)
- Strophurus spinigerus (GRAY, 1842)
- Strophurus strophurus (DUMÉRIL & BIBRON, 1836)
- Strophurus taenicauda (DE VIS, 1886)
- Subdoluseps bowringii (GÜNTHER, 1864)
- Suta fasciata (ROSÉN, 1905)
- Suta gouldii (GRAY, 1841)
- Suta monachus (STORR, 1964)
- Suta spectabilis KREFFT, 1869
- Synophis bicolor PERACCA, 1896
- Synophis calamitus HILLIS, 1990
- Synophis lasallei (NICÉFORO-MARIA, 1950)
- Synophis plectovertebralis SHEIL & GRANT, 2001
- Taeniophallus brevirostris (PETERS, 1863)
- Takydromus formosanus BOULENGER, 1894
- Takydromus intermedius STEJNEGER, 1924
- Takydromus khasiensis BOULENGER, 1917
- Takydromus kuehnei VAN DENBURGH, 1909
- Takydromus sexlineatus DAUDIN, 1802
- Takydromus tachydromoides (SCHLEGEL, 1838)
- Tantilla alticola (BOULENGER, 1903)
- Tantilla bocourti (GÜNTHER, 1895)
- Tantilla calamarina COPE, 1866
- Tantilla capistrata COPE, 1875
- Tantilla hobartsmithi TAYLOR, 1937
- Tantilla melanocephala (LINNAEUS, 1758)
- Tantilla nigriceps KENNICOTT, 1860
- Tantilla planiceps (BLAINVILLE, 1835)
- Tantilla rubra COPE, 1875
- Tantilla semicincta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Tantilla supracincta (PETERS, 1863)
- Tantilla wilcoxi STEJNEGER, 1902
- Tantilla yaquia SMITH, 1942
- Tarentola chazaliae (MOCQUARD, 1895)
- Tarentola mauritanica (LINNAEUS, 1758)
- Tarentola protogigas JOGER, 1984
- Tarentola rudis BOULENGER, 1906
- Teira dugesii (MILNE-EDWARDS, 1829)
- Teius teyou (DAUDIN, 1802)
- Telescopus dhara (FORSKÅL, 1775)
- Telescopus fallax FLEISCHMANN, 1831
- Telescopus rhinopoma (BLANFORD, 1874)
- Telescopus semiannulatus SMITH, 1849
- Telescopus somalicus (PARKER, 1949)
- Teratoscincus microlepis NIKOLSKY, 1900
- Teratoscincus scincus (SCHLEGEL, 1858)
- Terrapene carolina (LINNAEUS, 1758)
- Terrapene ornata (AGASSIZ, 1857)
- Testudo graeca LINNAEUS, 1758
- Testudo hermanni GMELIN, 1789
- Testudo horsfieldii GRAY, 1844
- Testudo marginata SCHOEPFF, 1792
- Thamnodynastes pallidus (LINNAEUS, 1758)
- Thamnodynastes sertanejo BAILEY, THOMAS & DA SILVA, 2005
- Thamnodynastes silvai TREVINE, CAICEDO-PORTILLA, HOOGMOED, THOMAS, FRANCO, MONTINGELLI, OSORNO-MUÑOZ & ZAHER, 2021
- Thamnophis atratus KENNICOTT, 1860
- Thamnophis cyrtopsis (KENNICOTT, 1860)
- Thamnophis elegans (BAIRD & GIRARD, 1853)
- Thamnophis eques (REUSS, 1834)
- Thamnophis foxi ROSSMAN & BLANEY, 1968
- Thamnophis marcianus (BAIRD & GIRARD, 1853)
- Thamnophis melanogaster (PETERS, 1864)
- Thamnophis proximus (SAY, 1823)
- Thamnophis pulchrilatus (COPE, 1885)
- Thamnophis radix (BAIRD & GIRARD, 1853)
- Thamnophis rufipunctatus (COPE, 1875)
- Thamnophis saurita (LINNAEUS, 1766)
- Thamnophis sirtalis (LINNAEUS, 1758)
- Thamnophis validus (KENNICOTT, 1860)
- Thecadactylus rapicauda (HOUTTUYN, 1782)
- Thecadactylus solimoensis BERGMANN & RUSSELL, 2007
- Thelotornis capensis SMITH, 1849
- Thelotornis mossambicanus (BOCAGE, 1895)
- Thelotornis oatesi (GÜNTHER, 1881)
- Tiliqua multifasciata STERNFELD, 1919
- Tiliqua occipitalis (PETERS, 1863)
- Tiliqua rugosa (GRAY, 1825)
- Tiliqua scincoides (WHITE, 1790)
- Timon lepidus (DAUDIN, 1802)
- Timon tangitanus (BOULENGER, 1887)
- Tomistoma schlegelii (MÜLLER, 1838)
- Toxicodryas blandingii (HALLOWELL, 1844)
- Toxicodryas pulverulenta (FISCHER, 1856)
- Trachemys gaigeae (HARTWEG, 1939)
- Trachemys scripta (THUNBERG, 1792)
- Trachemys terrapen (BONNATERRE, 1789)
- Trachylepis adamastor CERIACO, 2015
- Trachylepis bayonii (BOCAGE, 1872)
- Trachylepis capensis (GRAY, 1831)
- Trachylepis chimbana (BOULENGER, 1887)
- Trachylepis comorensis (PETERS, 1854)
- Trachylepis homalocephala (WIEGMANN, 1828)
- Trachylepis langheldi (STERNFELD, 1917)
- Trachylepis maculilabris (GRAY, 1845)
- Trachylepis punctatissima (SMITH, 1849)
- Trachylepis quinquetaeniata (LICHTENSTEIN, 1823)
- Trachylepis striata (PETERS, 1844)
- Trachylepis sulcata (PETERS, 1867)
- Trachylepis thomensis CERÍACO, MARQUES & BAUER, 2016
- Trachylepis varia (PETERS, 1867)
- Trachylepis variegata (PETERS, 1870)
- Trachylepis wrightii (BOULENGER, 1887)
- Trapelus flavimaculatus RÜPPELL, 1835
- Trapelus persicus (BLANFORD, 1881)
- Trapelus ruderatus (OLIVIER, 1804)
- Trapelus savignii (DUMÉRIL & BIBRON, 1837)
- Tretanorhinus nigroluteus COPE, 1861
- Tretioscincus bifasciatus (DUMÉRIL, 1851)
- Trilepida dugandi (DUNN, 1944)
- Trilepida macrolepis (PETERS, 1858)
- Trimeresurus albolabris GRAY, 1842
- Trimeresurus flavomaculatus (GRAY, 1842)
- Trimeresurus mcgregori TAYLOR, 1919
- Trimeresurus popeiorum SMITH, 1937
- Trimeresurus purpureomaculatus (GRAY, 1832)
- Trimeresurus sabahi REGENASS & KRAMER, 1981
- Trimorphodon biscutatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Trimorphodon tau COPE, 1870
- Trioceros bitaeniatus (FISCHER, 1884)
- Trioceros johnstoni (BOULENGER, 1901)
- Trioceros perreti (KLAVER & BÖHME, 1992)
- Trioceros wiedersheimi (NIEDEN, 1910)
- Trogonophis wiegmanni KAUP, 1830
- Tropidoclonion lineatum (HALLOWELL, 1856)
- Tropidodipsas fasciata GÜNTHER, 1858
- Tropidodipsas philippii (JAN, 1863)
- Tropidolaemus huttoni (SMITH, 1949)
- Tropidophis boulengeri (PERACCA, 1910)
- Tropidophis haetianus (COPE, 1879)
- Tropidophis melanurus (SCHLEGEL, 1837)
- Tropidophis pardalis (GUNDLACH, 1840)
- Tropidophis semicinctus (GUNDLACH & PETERS, 1864)
- Tropidophorus micropus LIDTH DE JEUDE, 1905
- Tropidurus azurduyae CARVALHO, RIVAS, CÉSPEDES & RODRIGUES, 2018
- Tropidurus catalanensis GUDYNAS & SKUK, 1983
- Tropidurus chromatops HARVEY & GUTBERLET, 1998
- Tropidurus etheridgei CEI, 1982
- Tropidurus hispidus (SPIX, 1825)
- Tropidurus spinulosus (COPE, 1862)
- Tropidurus torquatus (WIED-NEUWIED, 1820)
- Tupinambis teguixin (LINNAEUS, 1758)
- Tympanocryptis pentalineata MELVILLE, SMITH, HOBSON, HUNJAN & SHOO, 2014
- Tympanocryptis tetraporophora LUCAS & FROST, 1895
- Tytthoscincus aesculeticola (INGER, LIAN, LAKIM & YAMBUN, 2001)
- Tytthoscincus hallieri (LIDTH DE JEUDE, 1905)
- Uma thurmanae DERYCKE, GOTTSCHO, MULCAHY & DE QUEIROZ, 2020
- Underwoodisaurus milii (BORY DE SAINT-VINCENT, 1823)
- Ungaliophis continentalis MÜLLER, 1880
- Uracentron flaviceps (GUICHENOT, 1855)
- Uranoscodon superciliosus (LINNAEUS, 1758)
- Uromacer catesbyi (SCHLEGEL, 1837)
- Uromastyx aegyptia (FORSKÅL, 1775)
- Uromastyx dispar HEYDEN, 1827
- Uromastyx nigriventris ROTHSCHILD & HARTERT, 1912
- Uromastyx ocellata LICHTENSTEIN, 1823
- Uromastyx ornata HEYDEN, 1827
- Uropeltis macrolepis (PETERS, 1862)
- Uroplatus ebenaui (BOETTGER, 1879)
- Uroplatus henkeli BÖHME & IBISCH, 1990
- Urosaurus bicarinatus (DUMÉRIL, 1856)
- Urosaurus graciosus HALLOWELL, 1854
- Urosaurus microscutatus (VAN DENBURGH, 1894)
- Urosaurus nigricauda (COPE, 1864)
- Urosaurus ornatus (BAIRD & GIRARD, 1852)
- Urostrophus longicauda (BOULENGER, 1891)
- Urotheca dumerilii (BIBRON, 1840)
- Uta encantadae GRISMER, 1994
- Uta lowei GRISMER, 1994
- Uta stansburiana BAIRD & GIRARD, 1852
- Uta tumidarostra GRISMER, 1994
- Vanzosaura rubricauda (BOULENGER, 1902)
- Varanus acanthurus BOULENGER, 1885
- Varanus albigularis (DAUDIN, 1802)
- Varanus bengalensis (DAUDIN, 1802)
- Varanus brevicauda BOULENGER, 1898
- Varanus caspius (EICHWALD, 1831)
- Varanus caudolineatus BOULENGER, 1885
- Varanus chlorostigma (GRAY, 1831)
- Varanus dumerilii SCHLEGEL, 1839
- Varanus eremius LUCAS & FROST, 1895
- Varanus giganteus (GRAY, 1845)
- Varanus gilleni LUCAS & FROST, 1895
- Varanus gouldii (GRAY, 1838)
- Varanus griseus (DAUDIN, 1803)
- Varanus hamersleyensis MARYAN, OLIVER, FITCH & O’CONNELL, 2014
- Varanus indicus (DAUDIN, 1802)
- Varanus macraei BÖHME & JACOBS, 2001
- Varanus nebulosus (GRAY, 1831)
- Varanus niloticus (LINNAEUS, 1766)
- Varanus orientalis FRY, 1913
- Varanus panoptes STORR, 1980
- Varanus pilbarensis STORR, 1980
- Varanus rudicollis (GRAY, 1845)
- Varanus salvator (LAURENTI, 1768)
- Varanus tristis SCHLEGEL, 1839
- Varanus varius (SHAW, 1790)
- Vermicella annulata (GRAY, 1841)
- Vermicella intermedia KEOGH & SMITH, 1996
- Vijayachelys silvatica (HENDERSON, 1912)
- Vipera ammodytes (LINNAEUS, 1758)
- Vipera aspis (LINNAEUS, 1758)
- Vipera berus (LINNAEUS, 1758)
- Vipera kaznakovi NIKOLSKY, 1909
- Vipera latastei BOSCA, 1878
- Vipera meridionalis BOULENGER, 1903
- Vipera monticola SAINT GIRONS, 1953
- Vipera orlovi TUNIYEV & OSTROVSKIKH, 2001
- Vipera renardi (CHRISTOPH, 1861)
- Vipera ursinii (BONAPARTE, 1835)
- Wallophis brachyura (GÜNTHER, 1866)
- Xantusia extorris WEBB, 1965
- Xantusia gilberti VAN DENBURGH, 1895
- Xantusia sierrae BEZY, 1967
- Xantusia vigilis BAIRD, 1859
- Xantusia wigginsi SAVAGE, 1952
- Xenagama batillifera (VAILLANT, 1882)
- Xenelaphis ellipsifer BOULENGER, 1900
- Xenocalamus mechowii PETERS, 1881
- Xenochrophis trianguligerus (BOIE, 1827)
- Xenochrophis vittatus (LINNAEUS, 1758)
- Xenodon dorbignyi (BIBRON, 1854)
- Xenodon merremii (WAGLER, 1824)
- Xenodon pulcher (JAN, 1863)
- Xenodon rabdocephalus (WIED-NEUWIED, 1824)
- Xenodon severus (LINNAEUS, 1758)
- Xenopeltis unicolor REINWARDT, 1827
- Xenopholis scalaris (WUCHERER, 1861)
- Xenoxybelis argenteus (DAUDIN, 1803)
- Xenoxybelis boulengeri (PROCTER, 1923)
- Xerotyphlops vermicularis (MERREM, 1820)
- Zamenis longissimus (LAURENTI, 1768)
- Zamenis situla (LINNAEUS, 1758)
- Zonateres lanei BAILEY, THOMAS & DA SILVA, 2005
- Zootoca vivipara (LICHTENSTEIN, 1823)