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Species found: 1678
- Ablepharus kitaibelii BIBRON & BORY ST-VINCENT, 1833
- Abronia gadovii (BOULENGER, 1913)
- Abronia monticola (COPE, 1878)
- Abronia oaxacae (GÜNTHER, 1885)
- Abronia ochoterenai (MARTIN DEL CAMPO, 1939)
- Acanthocercus annectans (BLANFORD, 1870)
- Acanthocercus atricollis (SMITH, 1849)
- Acanthocercus cyanogaster (RÜPPELL, 1835)
- Acanthocercus guentherpetersi LARGEN & SPAWLS, 2006
- Acanthocercus minutus (KLAUSEWITZ, 1957)
- Acanthodactylus blanfordii BOULENGER, 1919
- Acanthodactylus boskianus (DAUDIN, 1802)
- Acanthodactylus cantoris GÜNTHER, 1864
- Acanthodactylus micropholis BLANFORD, 1874
- Acanthodactylus scutellatus (AUDOUIN, 1827)
- Acanthosaura cuongi NGO, LE, NGUYEN, NGUYEN, NGUYEN, PHAN, NGUYEN, ZIEGLER & DO, 2025
- Achalinus formosanus BOULENGER, 1908
- Achalinus hunanensis MA, SHI, XIANG, SHU & JIANG, 2023
- Achalinus yunkaiensis WANG, LI & WANG, 2019
- Acrantophis dumerili JAN, 1860
- Acrantophis madagascariensis (DUMÉRIL & BIBRON, 1844)
- Acratosaura mentalis (AMARAL, 1933)
- Acrochordus granulatus (SCHNEIDER, 1799)
- Actinemys marmorata (BAIRD & GIRARD, 1852)
- Actinemys pallida (SEELIGER, 1945)
- Adelphicos daryi CAMPBELL & FORD, 1982
- Adelphicos quadrivirgatum JAN, 1862
- Adelphostigma occipitalis (JAN, 1863)
- Adelphostigma quadriocellata (SANTOS, DI-BERNARDO & DE LEMA, 2008)
- Afroedura major ONDERSTALL, 1984
- Afrotyphlops chirioi TRAPE, 2019
- Agama agama (LINNAEUS, 1758)
- Agama congica (PETERS, 1877)
- Agama doriae BOULENGER, 1885
- Agama finchi BÖHME, WAGNER, MALONZA, LÖTTERS & KÖHLER, 2005
- Agama picticauda PETERS, 1877
- Agama planiceps PETERS, 1862
- Agkistrodon contortrix (LINNAEUS, 1766)
- Agkistrodon howardgloydi CONANT, 1984
- Ahaetulla flavescens (WALL, 1910)
- Ahaetulla isabellina (WALL, 1910)
- Ahaetulla mycterizans (LINNAEUS, 1758)
- Ahaetulla nasuta (LACÉPÈDE, 1789)
- Ahaetulla oxyrhynca (BELL, 1825)
- Ahaetulla prasina (BOIE, 1827)
- Ahaetulla pulverulenta (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Ahaetulla sahyadrensis MALLIK, SRIKANTHAN, PAL, D’SOUZA, SHANKER & GANESH, 2020
- Aldabrachelys gigantea (SCHWEIGGER, 1812)
- Alligator mississippiensis (DAUDIN, 1801)
- Alopoglossus plicatus TAYLOR, 1949
- Alsophis sanctonum BARBOUR, 1915
- Amastridium veliferum COPE, 1861
- Amblyodipsas microphthalma (BIANCONI, 1852)
- Ameiva ameiva (LINNAEUS, 1758)
- Ameiva praesignis (BAIRD & GIRARD, 1852)
- Ameiva tobagana COPE, 1879
- Ameivula ocellifera (SPIX, 1825)
- Amerotyphlops brongersmianus (VANZOLINI, 1976)
- Amerotyphlops costaricensis (JIMÉNEZ & SAVAGE, 1963)
- Amerotyphlops tasymicris (THOMAS, 1974)
- Amphiesma monticola (JERDON, 1853)
- Amphiesma stolatum (LINNAEUS, 1758)
- Amphisbaena alba LINNAEUS, 1758
- Amphisbaena anaemariae VANZOLINI, 1997
- Amphisbaena brasiliana (GRAY, 1865)
- Amphisbaena carvalhoi GANS, 1965
- Amphisbaena heathi SCHMIDT, 1936
- Amphisbaena littoralis ROBERTO, BRITO & ÁVILA, 2014
- Amphisbaena pretrei DUMÉRIL & BIBRON, 1839
- Amphisbaena silvestrii BOULENGER, 1902
- Amphisbaena steindachneri STRAUCH, 1881
- Amphisbaena talisiae VANZOLINI, 1995
- Amphisbaena vermicularis WAGLER, 1824
- Anadia ocellata GRAY, 1845
- Anepischetosia maccoyi (LUCAS & FROST, 1894)
- Anguis colchica (NORDMANN, 1840)
- Anguis fragilis LINNAEUS, 1758
- Anilios bicolor (PETERS, 1858)
- Anilios bituberculatus (PETERS, 1863)
- Anilios grypus (WAITE, 1918)
- Anilios guentheri (PETERS, 1865)
- Anilius scytale (LINNAEUS, 1758)
- Anniella alexanderae PAPENFUSS & PARHAM, 2013
- Anniella campi PAPENFUSS & PARHAM, 2013
- Anniella grinnelli PAPENFUSS & PARHAM, 2013
- Anniella pulchra GRAY, 1852
- Anniella stebbinsi PAPENFUSS & PARHAM, 2013
- Anolis alocomyos (KÖHLER, VARGAS & LOTZKAT, 2014)
- Anolis altae DUNN, 1930
- Anolis aquaticus TAYLOR, 1956
- Anolis arenal (KÖHLER & VARGAS, 2019)
- Anolis auratus DAUDIN, 1802
- Anolis benedikti LOTZKAT, BIENENTREU, HERTZ & KÖHLER, 2011
- Anolis biporcatus (WIEGMANN, 1834)
- Anolis brasiliensis VANZOLINI & WILLIAMS, 1970
- Anolis capito PETERS, 1863
- Anolis carolinensis VOIGT, 1832
- Anolis carpenteri ECHELLE, ECHELLE & FITCH, 1971
- Anolis charlesmyersi KÖHLER, 2010
- Anolis crassulus COPE, 1864
- Anolis cristatellus DUMÉRIL & BIBRON, 1837
- Anolis cryptolimifrons KÖHLER & SUNYER, 2008
- Anolis cupreus HALLOWELL, 1860
- Anolis datzorum KÖHLER, PONCE, SUNYER & BATISTA, 2007
- Anolis frenatus COPE, 1899
- Anolis fungosus MYERS, 1971
- Anolis fuscoauratus D’ORBIGNY, 1837
- Anolis gingivinus COPE, 1864
- Anolis humilis PETERS, 1863
- Anolis ibanezi POE, LATELLA, RYAN & SCHAAD, 2009
- Anolis insignis COPE, 1871
- Anolis kemptoni DUNN, 1940
- Anolis laeviventris (WIEGMANN, 1834)
- Anolis leditzigorum (KÖHLER, VARGAS & LOTZKAT, 2014)
- Anolis lemurinus COPE, 1861
- Anolis limifrons COPE, 1863
- Anolis marsupialis TAYLOR, 1956
- Anolis meridionalis BOETTGER, 1885
- Anolis microtus COPE, 1871
- Anolis monteverde KÖHLER, 2009
- Anolis ortonii COPE, 1868
- Anolis osa KÖHLER, DEHLING & KÖHLER, 2010
- Anolis oxylophus COPE, 1875
- Anolis pachypus COPE, 1875
- Anolis pentaprion COPE, 1863
- Anolis planiceps TROSCHEL, 1848
- Anolis polylepis PETERS, 1874
- Anolis porcatus GRAY, 1840
- Anolis punctatus DAUDIN, 1802
- Anolis purpurescens COPE, 1899
- Anolis quaggulus COPE, 1885
- Anolis quercorum FITCH, 1978
- Anolis riparius CHAVES, RYAN, BOLAÑOS, MÁRQUEZ, KÖHLER & POE, 2023
- Anolis robinsoni CHAVES, RYAN, BOLAÑOS, MÁRQUEZ, KÖHLER & POE, 2023
- Anolis rodriguezii BOCOURT, 1873
- Anolis sagrei DUMÉRIL & BIBRON, 1837
- Anolis salvini BOULENGER, 1885
- Anolis savagei POE & RYAN, 2017
- Anolis sericeus HALLOWELL, 1856
- Anolis tenorioensis KÖHLER, 2011
- Anolis torresfundorai TORRES, REILLY, NUÑEZ-PENICHET, REYNOLDS & GLOR, 2025
- Anolis townsendi STEJNEGER, 1900
- Anolis triumphalis (NICHOLSON & KÖHLER, 2014)
- Anolis tropidolepis BOULENGER, 1885
- Anolis tropidonotus PETERS, 1863
- Anolis unilobatus KÖHLER & VESELY, 2010
- Anolis wilsoni (KÖHLER, TOWNSEND & PETERSEN, 2016)
- Anolis woodi DUNN, 1940
- Anomalepis mexicana JAN, 1860
- Antaresia childreni (GRAY, 1842)
- Antaresia maculosa (PETERS, 1873)
- Antaresia papuensis ESQUERRÉ, DONNELLAN, PAVÓN-VÁZQUEZ, FENKER & KEOGH, 2021
- Antaresia perthensis (STULL, 1932)
- Apalone ferox (SCHNEIDER, 1783)
- Apalone spinifera (LESUEUR, 1827)
- Aparallactus lineatus (PETERS, 1870)
- Aparallactus lunulatus (PETERS, 1854)
- Aparallactus niger BOULENGER, 1897
- Aplopeltura boa (BOIE, 1828)
- Apostolepis arenaria RODRIGUES, 1993
- Apostolepis assimilis (REINHARDT, 1861)
- Apostolepis cearensis GOMES, 1915
- Apostolepis christineae DE LEMA, 2002
- Apostolepis gaboi RODRIGUES, 1993
- Apostolepis quirogai GIRAUDO & SCROCCHI, 1998
- Apostolepis sanctaeritae WERNER, 1924
- Aprasia inaurita KLUGE, 1974
- Aprasia parapulchella KLUGE, 1974
- Archaeolacerta bedriagae (CAMERANO, 1885)
- Argyrophis diardii (SCHLEGEL, 1839)
- Argyrophis fuscus (DUMÉRIL, 1851)
- Aristelliger praesignis (HALLOWELL, 1856)
- Arizona elegans KENNICOTT, 1859
- Aspidelaps lubricus (LAURENTI, 1768)
- Aspidites melanocephalus (KREFFT, 1864)
- Aspidites ramsayi (MACLEAY, 1882)
- Aspidomorphus dimorphus KRAUS, 2025
- Aspidomorphus muelleri (SCHLEGEL, 1837)
- Aspidoscelis angusticeps (COPE, 1878)
- Aspidoscelis deppii (WIEGMANN, 1834)
- Aspidoscelis exsanguis (LOWE, 1956)
- Aspidoscelis gularis (BAIRD & GIRARD, 1852)
- Aspidoscelis hyperythrus (COPE, 1863)
- Aspidoscelis inornatus (BAIRD, 1859)
- Aspidoscelis marmoratus (BAIRD & GIRARD, 1852)
- Aspidoscelis neotesselatus (WALKER, CORDES & TAYLOR, 1997)
- Aspidoscelis scalaris (COPE, 1892)
- Aspidoscelis sexlineatus (LINNAEUS, 1766)
- Aspidoscelis sonorae (LOWE & WRIGHT, 1964)
- Aspidoscelis tesselatus (SAY, 1822)
- Aspidoscelis tigris (BAIRD & GIRARD, 1852)
- Aspidura guentheri FERGUSON, 1876
- Asthenodipsas laevis (BOIE, 1827)
- Asthenodipsas lasgalenensis LOREDO, WOOD, QUAH, ANUAR, GREER, AHMAD & GRISMER, 2013
- Atheris barbouri LOVERIDGE, 1930
- Atheris squamigera HALLOWELL, 1854
- Atractaspis aterrima GÜNTHER, 1863
- Atractaspis congica PETERS, 1877
- Atractaspis corpulenta (HALLOWELL, 1854)
- Atractaspis fallax PETERS, 1867
- Atractaspis microlepidota GÜNTHER, 1866
- Atractaspis phillipsi BARBOUR, 1913
- Atractus albuquerquei CUNHA & NASCIMENTO, 1983
- Atretium schistosum (DAUDIN, 1803)
- Atropoides picadoi (DUNN, 1939)
- Bachia blairi (DUNN, 1940)
- Bachia bresslaui (AMARAL, 1935)
- Bachia dorbignyi (DUMÉRIL & BIBRON, 1839)
- Bachia flavescens (BONNATERRE, 1789)
- Bachia pallidiceps (COPE, 1862)
- Barkudia insularis ANNANDALE, 1917
- Basiliscus basiliscus (LINNAEUS, 1758)
- Basiliscus plumifrons COPE, 1875
- Basiliscus vittatus WIEGMANN, 1828
- Bitis arietans (MERREM, 1820)
- Bitis caudalis (SMITH, 1839)
- Blaesodactylus ambonihazo BAUER, GLAW, GEHRING & VENCES, 2011
- Blaesodactylus antongilensis (BÖHME & MEIER, 1980)
- Blaesodactylus boivini (DUMÉRIL, 1856)
- Blaesodactylus ganzhorni VENCES, MIRALLES, INEICH, RAKOTOARISON, GLASENAPP, SCHERZ, KÖHLER, GLAW & RASELIMANANA, 2025
- Blaesodactylus microtuberculatus JONO, BAUER, BRENNAN & MORI, 2015
- Blaesodactylus sakalava (GRANDIDIER, 1867)
- Blaesodactylus victori INEICH, GLAW & VENCES, 2016
- Blythia hmuifang VOGEL, LALREMSANGA & VANLALHRIMA, 2017
- Blythia reticulata (BLYTH, 1855)
- Boa constrictor LINNAEUS, 1758
- Boa imperator DAUDIN, 1803
- Boa nebulosa (LAZELL, 1964)
- Boaedon arabicus PARKER, 1930
- Boaedon broadleyi HALLERMANN & HAWLITSCHEK, 2025
- Boaedon capensis DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Boaedon montanus TRAPE, MEDIANNIKOV, HINKEL & HINKEL, 2022
- Boaedon subniger HALLERMANN & HAWLITSCHEK, 2025
- Boaedon subtaeniatus LAURENT, 1954
- Boaedon virgatus (HALLOWELL, 1854)
- Bofa erlangeri (STERNFELD, 1908)
- Bogertophis rosaliae (MOCQUARD, 1899)
- Bogertophis subocularis (BROWN, 1902)
- Boiga barnesii (GÜNTHER, 1869)
- Boiga ceylonensis (GÜNTHER, 1858)
- Boiga cyanea (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Boiga drapiezii (BOIE, 1827)
- Boiga forsteni (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Boiga gocool (GRAY, 1834)
- Boiga irregularis (BECHSTEIN, 1802)
- Boiga multifasciata (BLYTH, 1861)
- Boiga nigriceps (GÜNTHER, 1863)
- Boiga ranawanei SAMARAWICKRAMA, SAMARAWICKRAMA, WIJESENA & ORLOV, 2005
- Boiga siamensis NUTAPHAND, 1971
- Boiga trigonata (SCHNEIDER, 1802)
- Bothriechis lateralis PETERS, 1862
- Bothriechis nigroadspersus (STEINDACHNER, 1870)
- Bothriechis nigroviridis PETERS, 1859
- Bothriechis nubestris DOAN, MASON, CASTOE, SASA & PARKINSON, 2016
- Bothriechis supraciliaris (TAYLOR, 1954)
- Bothrochilus boa (SCHLEGEL, 1837)
- Bothrops asper (GARMAN, 1883)
- Bothrops atrox (LINNAEUS, 1758)
- Bothrops mattogrossensis AMARAL, 1925
- Bothrops moojeni HOGE, 1966
- Bothrops pauloensis AMARAL, 1925
- Brachylophus bulabula FISHER, HARLOW, EDWARDS & KEOGH, 2008
- Brachyseps gastrostictus (O'SHAUGHNESSY, 1879)
- Brasiliscincus heathi (SCHMIDT & INGER, 1951)
- Bronchocela jubata DUMÉRIL & BIBRON, 1837
- Brookesia perarmata (ANGEL, 1933)
- Bungarus caeruleus (SCHNEIDER, 1801)
- Bungarus candidus (LINNAEUS, 1758)
- Bungarus ceylonicus GÜNTHER, 1864
- Bungarus fasciatus (SCHNEIDER, 1801)
- Bungarus lividus CANTOR, 1839
- Bungarus niger WALL, 1908
- Cachryx defensor COPE, 1866
- Caiman crocodilus (LINNAEUS, 1758)
- Caiman yacare (DAUDIN, 1801)
- Calabaria reinhardtii (SCHLEGEL, 1851)
- Calamaria linnaei BOIE, 1827
- Calamaria lumbricoidea BOIE, 1827
- Calamaria modesta DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria schlegeli DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Calamaria virgulata BOIE, 1827
- Calliophis bilineatus (PETERS, 1881)
- Calliophis bivirgatus (BOIE, 1827)
- Calliophis intestinalis (LAURENTI, 1768)
- Calliophis melanurus (SHAW, 1802)
- Calliophis philippinus (GÜNTHER, 1864)
- Calliophis salitan BROWN, SMART, LEVITON & SMITH, 2018
- Calliophis suluensis (STEINDACHNER, 1891)
- Callisaurus draconoides BLAINVILLE, 1835
- Calloselasma rhodostoma (KUHL, 1824)
- Calotes calotes (LINNAEUS, 1758)
- Calotes goetzi WAGNER, IHLOW, HARTMANN, FLECKS, SCHMITZ & BÖHME, 2021
- Calotes grandisquamis GÜNTHER, 1875
- Calotes irawadi ZUG, BROWN, SCHULTE & VINDUM, 2006
- Calotes nemoricola JERDON, 1853
- Calotes paulus SMITH, 1935
- Calotes versicolor (DAUDIN, 1802)
- Calotes zhaoermii WANG, SHU, LI, GUO & CHE, 2025
- Candoia aspera (GÜNTHER, 1877)
- Candoia bibroni (DUMÉRIL & BIBRON, 1844)
- Candoia carinata (SCHNEIDER, 1801)
- Candoia paulsoni (STULL, 1956)
- Candoia superciliosa (GÜNTHER, 1863)
- Caretta caretta (LINNAEUS, 1758)
- Carlia ailanpalai ZUG, 2004
- Carlia fusca (DUMÉRIL & BIBRON, 1839)
- Casarea dussumieri (SCHLEGEL, 1837)
- Causus rhombeatus (LICHTENSTEIN, 1823)
- Centrosaura apodema (UZZELL, 1966)
- Cerberus rynchops (SCHNEIDER, 1799)
- Cercosaura eigenmanni (GRIFFIN, 1917)
- Cercosaura ocellata WAGLER, 1830
- Cercosaura olivacea (GRAY, 1845)
- Cercosaura parkeri (RUIBAL, 1952)
- Cercosaura schreibersii WIEGMANN, 1834
- Cerrophidion godmani (GÜNTHER, 1863)
- Cerrophidion sasai JADIN, TOWNSEND, CASTOE & CAMPBELL, 2012
- Cerrophidion wilsoni JADIN, TOWNSEND, CASTOE & CAMPBELL, 2012
- Chalcides ocellatus (FORSKÅL, 1775)
- Chamaeleo dilepis LEACH, 1819
- Chamaeleo gracilis HALLOWELL, 1844
- Chamaeleo laevigatus GRAY, 1863
- Chamaeleo namaquensis SMITH, 1831
- Chamaeleo zeylanicus LAURENTI, 1768
- Charina bottae (BLAINVILLE, 1835)
- Charina umbratica KLAUBER, 1943
- Chelodina canni MCCORD & THOMSON, 2002
- Chelodina expansa GRAY, 1857
- Chelodina kuchlingi CANN, 1997
- Chelodina kurrichalpongo (JOSEPH-OUNI, MCCORD, CANN & SMALES, 2019)
- Chelodina oblonga GRAY, 1841
- Chelodina parkeri RHODIN & MITTERMEIER, 1976
- Chelodina rugosa OGILBY, 1889
- Chelonia mydas (LINNAEUS, 1758)
- Chelonoidis carbonarius (SPIX, 1824)
- Chelonoidis denticulatus (LINNAEUS, 1766)
- Chelonoidis niger (QUOY & GAIMARD, 1824)
- Chelus fimbriata (SCHNEIDER, 1783)
- Chelydra acutirostris PETERS, 1862
- Chelydra serpentina (LINNAEUS, 1758)
- Chilabothrus angulifer (COCTEAU & BIBRON, 1840)
- Chilabothrus chrysogaster (COPE, 1871)
- Chilabothrus exsul (NETTING & GOIN, 1944)
- Chilabothrus fordii (GÜNTHER, 1861)
- Chilabothrus gracilis FISCHER, 1888
- Chilabothrus inornatus (REINHARDT, 1843)
- Chilabothrus striatus (FISCHER, 1856)
- Chilabothrus strigilatus (COPE, 1862)
- Chioninia coctei (DUMÉRIL & BIBRON, 1839)
- Chironius dixoni WIEST, 1978
- Chironius exoletus (LINNAEUS, 1758)
- Chironius flavolineatus (BOETTGER, 1885)
- Chironius flavopictus (WERNER, 1909)
- Chironius grandisquamis (PETERS, 1869)
- Chondrodactylus pulitzerae (SCHMIDT, 1933)
- Chrysemys picta (SCHNEIDER, 1783)
- Chrysopelea ornata (SHAW, 1802)
- Clelia clelia (DAUDIN, 1803)
- Clelia scytalina (COPE, 1867)
- Cnemaspis auriventralis RUJIRAWAN, YODTHONG, AMPAI, TERMPRAYOOON, AKSORNNEAM, STUART & AOWPHOL, 2022
- Cnemaspis enneaporus RUJIRAWAN, AKSORNNEAM & AOWPHOL, 2025
- Cnemaspis huaseesom GRISMER, SUMONTHA, COTA, GRISMER, WOOD, PAUWELS & KUNYA, 2010
- Cnemaspis kottiyoorensis CYRIAC & UMESH, 2014
- Cnemaspis punctatonuchalis GRISMER, SUMONTHA, COTA, GRISMER, WOOD, PAUWELS & KUNYA, 2010
- Cnemaspis selenolagus GRISMER, YUSHCHENKO, PAWANGKHANANT, NAZAROV, NAIDUANGCHAN, SUWANNAPOOM & POYARKOV, 2020
- Cnemaspis wynadensis (BEDDOME, 1870)
- Cnemidophorus cryptus COLE & DESSAUER, 1993
- Coelognathus flavolineatus (SCHLEGEL, 1837)
- Coelognathus helena (DAUDIN, 1803)
- Coelognathus radiatus (BOIE, 1827)
- Coleodactylus elizae GONÇALVES, TORQUATO, SKUK & ARAÚJO SENA, 2012
- Coleodactylus meridionalis BOULENGER, 1888
- Coleodactylus natalensis FREIRE, 1999
- Coleonyx brevis STEJNEGER, 1893
- Coleonyx elegans GRAY, 1845
- Coleonyx mitratus (PETERS, 1863)
- Coleonyx switaki (MURPHY, 1974)
- Coleonyx variegatus (BAIRD, 1858)
- Colobosaura modesta (REINHARDT & LÜTKEN, 1862)
- Coluber constrictor LINNAEUS, 1758
- Congolacerta asukului GREENBAUM, VILLANUEVA, KUSAMBA, ARISTOTE & BRANCH, 2011
- Coniophanes bipunctatus (GÜNTHER, 1858)
- Coniophanes fissidens (GÜNTHER, 1858)
- Coniophanes imperialis (BAIRD & GIRARD, 1859)
- Coniophanes piceivittis COPE, 1870
- Coniophanes schmidti BAILEY, 1937
- Conophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Conopsis megalodon (TAYLOR & SMITH, 1942)
- Contia longicaudae FELDMAN & HOYER, 2010
- Contia tenuis (BAIRD & GIRARD, 1852)
- Copeoglossum nigropunctatum (SPIX, 1825)
- Cophosaurus texanus TROSCHEL, 1852
- Corallus annulatus (COPE, 1875)
- Corallus batesii (GRAY, 1860)
- Corallus caninus (LINNAEUS, 1758)
- Corallus cookii GRAY, 1842
- Corallus cropanii (HOGE, 1953)
- Corallus grenadensis (BARBOUR, 1914)
- Corallus hortulana (LINNAEUS, 1758)
- Corallus ruschenbergerii (COPE, 1875)
- Cordylus namakuiyus STANLEY, CERÍACO, BANDEIRA, VALERIO, BATES & BRANCH, 2016
- Cordylus rivae (BOULENGER, 1896)
- Coronella austriaca LAURENTI, 1768
- Corytophanes cristatus (MERREM, 1820)
- Corytophanes hernandesii (WIEGMANN, 1831)
- Corytophanes percarinatus DUMÉRIL, 1856
- Craspedocephalus gramineus (SHAW, 1802)
- Craspedocephalus puniceus (BOIE, 1827)
- Craspedocephalus trigonocephalus (DONNDORFF, 1798)
- Crisantophis nevermanni (DUNN, 1937)
- Crocodylus acutus CUVIER, 1807
- Crotalus angelensis KLAUBER, 1963
- Crotalus aquilus KLAUBER, 1952
- Crotalus armstrongi CAMPBELL, 1979
- Crotalus atrox BAIRD & GIRARD, 1853
- Crotalus basiliscus (COPE, 1864)
- Crotalus brunneus HARRIS & SIMMONS, 1978
- Crotalus campbelli BRYSON JR, LINKEM, DORCAS, LATHROP, JONES, ALVARADO-DÍAZ, GRÜNWALD & MURPHY, 2014
- Crotalus catalinensis CLIFF, 1954
- Crotalus cerastes HALLOWELL, 1854
- Crotalus culminatus KLAUBER, 1952
- Crotalus durissus LINNAEUS, 1758
- Crotalus enyo (COPE, 1861)
- Crotalus ericsmithi CAMPBELL & FLORES-VILLELA, 2008
- Crotalus estebanensis KLAUBER, 1949
- Crotalus exiguus CAMPBELL & ARMSTRONG, 1979
- Crotalus helleri MEEK, 1905
- Crotalus horridus LINNAEUS, 1758
- Crotalus intermedius TROSCHEL, 1865
- Crotalus lannomi TANNER, 1966
- Crotalus lepidus (KENNICOTT, 1861)
- Crotalus lorenzoensis RADCLIFF & MASLIN, 1975
- Crotalus lutosus KLAUBER, 1930
- Crotalus mictlantecuhtli CARBAJAL-MÁRQUEZ, CEDEÑO-VÁZQUEZ, MARTÍNEZ-ARCE, NERI-CASTRO & MACHKOUR-M’RABET, 2020
- Crotalus mitchellii (COPE, 1861)
- Crotalus molossus BAIRD & GIRARD, 1853
- Crotalus morulus KLAUBER, 1952
- Crotalus oreganus HOLBROOK, 1840
- Crotalus ornatus HALLOWELL, 1854
- Crotalus polisi MEIK, SCHAACK, FLORES-VILLELA & STREICHER, 2018
- Crotalus polystictus (COPE, 1865)
- Crotalus pricei VAN DENBURGH, 1895
- Crotalus pusillus KLAUBER, 1952
- Crotalus pyrrhus (COPE, 1866)
- Crotalus ravus COPE, 1865
- Crotalus ruber COPE, 1892
- Crotalus scutulatus (KENNICOTT, 1861)
- Crotalus simus LATREILLE, 1801
- Crotalus stejnegeri DUNN, 1919
- Crotalus stephensi KLAUBER, 1930
- Crotalus tancitarensis ALVARADO-DÍAZ & CAMPBELL, 2004
- Crotalus thalassoporus MEIK, SCHAACK, FLORES-VILLELA & STREICHER, 2018
- Crotalus tigris KENNICOTT, 1859
- Crotalus tlaloci BRYSON, LINKEM, DORCAS, LATHROP, JONES, ALVARADO-DÍAZ, GRÜNWALD & MURPHY, 2014
- Crotalus totonacus GLOYD & KAUFFELD, 1940
- Crotalus transversus TAYLOR, 1944
- Crotalus triseriatus (WAGLER, 1830)
- Crotalus tzabcan KLAUBER, 1952
- Crotalus viridis (RAFINESQUE, 1818)
- Crotalus willardi MEEK, 1905
- Crotaphopeltis hotamboeia (LAURENTI, 1768)
- Crotaphopeltis tornieri (WERNER, 1908)
- Crotaphytus bicinctores SMITH & TANNER, 1972
- Crotaphytus collaris (SAY, 1822)
- Crotaphytus vestigium SMITH & TANNER, 1972
- Cryptoblepharus ochrus HORNER, 2007
- Cryptoblepharus poecilopleurus (WIEGMANN, 1836)
- Ctenophorus spinodomus SADLIER, COLGAN, BEATSON & COGGER, 2019
- Ctenosaura quinquecarinata (GRAY, 1842)
- Ctenosaura similis (GRAY, 1831)
- Ctenotus astictus HORNER, 1995
- Ctenotus atlas STORR, 1969
- Ctenotus brachyonyx STORR, 1971
- Ctenotus regius STORR, 1971
- Ctenotus schomburgkii (PETERS, 1863)
- Ctenotus taeniolatus (WHITE, 1790)
- Cuora amboinensis (DAUDIN, 1801)
- Cyclemys dentata (GRAY, 1831)
- Cyclemys gemeli FRITZ, GUICKING, AUER, SOMMER, WINK & HUNDSDÖRFER, 2008
- Cyclura rileyi STEJNEGER, 1903
- Cyrtodactylus angularis (SMITH, 1921)
- Cyrtodactylus annapurnaensis BHATTARAI, GAUTAM, PRASAD NEUPANE, KHANDEKAR, THACKERAY, AGARWAL, TILLACK, OLSON, HOGAN & WRIGHT, 2025
- Cyrtodactylus batucolus GRISMER, CHAN, GRISMER, WOOD & BELABUT, 2008
- Cyrtodactylus belanegara RIYANTO, HIKMAH, AMARASINGHE, ABINAWANTO & HAMIDY, 2024
- Cyrtodactylus chitwanensis BHATTARAI, GAUTAM, PRASAD NEUPANE, KHANDEKAR, THACKERAY, AGARWAL, TILLACK, OLSON, HOGAN & WRIGHT, 2025
- Cyrtodactylus darmandvillei (WEBER, 1890)
- Cyrtodactylus jatnai AMARASINGHE, RIYANTO, MUMPUNI & GRISMER, 2020
- Cyrtodactylus karanshahi BHATTARAI, GAUTAM, PRASAD NEUPANE, KHANDEKAR, THACKERAY, AGARWAL, TILLACK, OLSON, HOGAN & WRIGHT, 2025
- Cyrtodactylus marmoratus GRAY, 1831
- Cyrtodactylus martinstolli (DAREVSKY, HELFENBERGER, ORLOV & SHAH, 1998)
- Cyrtodactylus myintkyawthurai GRISMER, WOOD, QUAH, MURDOCH, M GRISMER, HERR, ESPINOZA, BROWN & LIN, 2018
- Cyrtodactylus nangunhe LIU, LI, DUAN, HOU & RAO, 2025
- Cyrtodactylus nepalensis (SCHLEICH & KÄSTLE, 1998)
- Cyrtodactylus pecelmadiun RIYANTO, SIDIK, HAMIDY, GRISMER & HAMIDY, 2025
- Cyrtodactylus petani RIYANTO, GRISMER & WOOD, 2015
- Cyrtodactylus sadleiri (WELLS & WELLINGTON, 1985)
- Cyrtodactylus semiadii RIYANTO, BAUER & YUDHA, 2014
- Cyrtodactylus seribuatensis YOUMANS & GRISMER, 2006
- Cyrtodactylus speciosus (BEDDOME, 1870)
- Cyrtodactylus spelaeus NAZAROV, POYARKOV, ORLOV, NGUYEN, MILTO, MARTYNOV, KONSTANTINOV & CHULISOV, 2014
- Cyrtodactylus spinosus LINKEM, MCGUIRE, HAYDEN, SETIADI, BICKFORD & BROWN, 2008
- Cyrtopodion kohsulaimanai (KHAN, 1991)
- Cyrtopodion scabrum (HEYDEN, 1827)
- Daboia russelii (SHAW & NODDER, 1797)
- Darevskia lindholmi (SZCZERBAK, 1962)
- Dasia olivacea GRAY, 1839
- Dasypeltis abyssina (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Delma butleri STORR, 1987
- Dendrelaphis anthracina KRAUS, 2025
- Dendrelaphis atra KRAUS, 2025
- Dendrelaphis bifrenalis (BOULENGER, 1890)
- Dendrelaphis caudolineatus (GRAY, 1834)
- Dendrelaphis caudolineolatus (GÜNTHER, 1869)
- Dendrelaphis formosus (BOIE, 1827)
- Dendrelaphis girii VOGEL & VAN ROOIJEN, 2011
- Dendrelaphis melanarkys KRAUS, 2025
- Dendrelaphis papuensis BOULENGER, 1895
- Dendrelaphis pictus (GMELIN, 1789)
- Dendrelaphis proarchos (WALL, 1909)
- Dendrelaphis roseni KRAUS, 2025
- Dendrelaphis schokari (KUHL, 1820)
- Dendrelaphis thasuni ATTHANAGODA, DA SILVA, VOGEL, UDAYANGA, BANDARA, MADAWALA, GRISMER & KARUNARATHNA, 2025
- Dendrelaphis tristis (DAUDIN, 1803)
- Dendrelaphis underwoodi VAN ROOIJEN & VOGEL, 2008
- Dendroaspis jamesoni (TRAILL, 1843)
- Dendrophidion apharocybe CADLE, 2012
- Dendrophidion atlantica FREIRE, CARAMASCHI & GONÇALVES, 2010
- Dendrophidion clarkii DUNN, 1933
- Dendrophidion crybelum CADLE, 2012
- Dendrophidion paucicarinatum (COPE, 1894)
- Dendrophidion percarinatum (COPE, 1893)
- Dendrophidion rufiterminorum CADLE & SAVAGE, 2012
- Dermochelys coriacea (VANDELLI, 1761)
- Diadophis punctatus (LINNAEUS, 1766)
- Dibamus celebensis SCHLEGEL, 1858
- Dibamus manadotuaensis KOPPETSCH, BÖHME & KOCH, 2019
- Dibamus novaeguineae DUMÉRIL & BIBRON, 1839
- Dibamus oetamai PRASETYO, YUDHA, AMARASINGHE, INEICH, GILLESPIE & RIYANTO, 2025
- Dibamus seramensis GREER, 1985
- Dieurostus dussumieri (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Dinarolacerta montenegrina LJUBISAVLJEVIC, ARRIBAS, DUKIC & CARRANZA, 2007
- Diplodactylus vittatus GRAY, 1832
- Diploglossus fasciatus (GRAY, 1831)
- Diploglossus lessonae PERACCA, 1890
- Diploglossus monotropis (KUHL, 1820)
- Diplolaemus vulcanus VRDOLJAKA, SÁNCHEZ, GONZÁLEZ-MARÍN, MORANDO & AVILA, 2024
- Diporiphora nobbi (WITTEN, 1972)
- Dipsadoboa weileri (LINDHOLM, 1905)
- Dipsas articulata (COPE, 1868)
- Dipsas bicolor (GÜNTHER, 1895)
- Dipsas brevifacies (COPE, 1866)
- Dipsas indica LAURENTI, 1768
- Dipsas mikanii SCHLEGEL, 1837
- Dipsas tenuissima TAYLOR, 1954
- Dipsas turgida (COPE, 1868)
- Dipsosaurus dorsalis (BAIRD & GIRARD, 1852)
- Dixonius aaronbaueri NGO & ZIEGLER, 2009
- Dixonius chotjuckdikuli DONBUNDIT, SUMONTHA, SUTHANTHANGJAI, SUTHANTHANGJAI & PAUWELS, 2024
- Dixonius dulayaphitakorum SUMONTHA & PAUWELS, 2020
- Dixonius fulbrighti LUU, GRISMER, HOANG, MURDOCH & GRISMER, 2023
- Dixonius gialaiensis LUU, NGUYEN, LE, GRISMER, HA, SITTHIVONG, HOANG & GRISMER, 2023
- Dixonius hangseesom BAUER, SUMONTHA, GROSSMANN, PAUWELS & VOGEL, 2004
- Dixonius hinchangsi PAUWELS, DAS, KUNYA, SUMONTHA, DONBUNDIT, PAUWELS, SONET, BRECKO & MEESOOK, 2025
- Dixonius kaweesaki SUMONTHA, CHOMNGAM, PHANAMPHON, PAWANGKHANANT, VIRIYAPANON, THANAPRAYOTSAK & PAUWELS, 2017
- Dixonius lao NGUYEN, SITTHIVONG, NGO, LUU, NGUYEN, LE & ZIEGLER, 2020
- Dixonius mekongensis PAUWELS, PANITVONG, KUNYA & SUMONTHA, 2021
- Dixonius melanostictus (TAYLOR, 1962)
- Dixonius minhlei ZIEGLER, BOTOV, NGUYEN, BAUER, BRENNAN, NGO & NGUYEN, 2016
- Dixonius muangfuangensis LUU, NGUYEN, LE, GRISMER, HA, SITTHIVONG, HOANG & GRISMER, 2023
- Dixonius pawangkhananti PAUWELS, CHOMNGAM, LARSEN & SUMONTHA, 2020
- Dixonius sambhupura PAUWELS, DAS, JOCQUÉ, SUMONTHA, DONBUNDIT, MAGDA, SONET, BRECKO & MEESOOK, 2025
- Dixonius siamensis (BOULENGER, 1899)
- Dixonius somchanhae NGUYEN, LUU, SITTHIVONG, NGO, NGUYEN, LE & ZIEGLER, 2021
- Dixonius taoi BOTOV, PHUNG, NGUYEN, BAUER, BRENNAN & ZIEGLER, 2015
- Dixonius vietnamensis DAS, 2004
- Dogania subplana (GEOFFROY SAINT-HILAIRE, 1809)
- Dolichophis caspius (GMELIN, 1789)
- Draco haematopogon GRAY, 1831
- Draco volans LINNAEUS, 1758
- Dryadosaura nordestina RODRIGUES, XAVIER FREIRE, MACHADO-PELLEGRINO & SITES, 2005
- Drymarchon corais (BOIE, 1827)
- Drymarchon couperi (HOLBROOK, 1842)
- Drymarchon melanurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Drymobius margaritiferus (SCHLEGEL, 1837)
- Drymobius melanotropis (COPE, 1875)
- Drymobius rhombifer (GÜNTHER, 1860)
- Dryophylax chaquensis (BERGNA & ÁLVAREZ, 1993)
- Dryophylax hypoconia (COPE, 1860)
- Echinosaura brachycephala KÖHLER, BÖHME & SCHMITZ, 2004
- Echinosaura centralis DUNN, 1944
- Echinosaura embera VÁSQUEZ-RESTREPO & DAZA, 2025
- Echinosaura fischerorum YÁNEZ-MUÑOZ, TORRES-CARVAJAL, REYES-PUIG, URGILES-MERCHÁN & KOCH, 2021
- Echinosaura horrida BOULENGER, 1890
- Echinosaura keyi (FRITTS & SMITH, 1969)
- Echinosaura orcesi FRITTS, ALMENDÁRIZ & SAMEC, 2002
- Echinosaura palmeri BOULENGER, 1911
- Echinosaura panamensis BARBOUR, 1924
- Echis carinatus (SCHNEIDER, 1801)
- Echis jogeri CHERLIN, 1990
- Echis pyramidum (GEOFFROY SAINT-HILAIRE, 1827)
- Eirenis modestus (MARTIN, 1838)
- Elaiophis inornatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Elaphe cantoris (BOULENGER, 1894)
- Elaphe climacophora (BOIE, 1826)
- Elaphe quadrivirgata (BOIE, 1826)
- Elaphe quatuorlineata (LACÉPÈDE, 1789)
- Elaphe schrenckii STRAUCH, 1873
- Elapoidis fusca (BOIE, 1827)
- Elapsoidea semiannulata BOCAGE, 1882
- Elgaria coerulea (WIEGMANN, 1828)
- Elgaria multicarinata (BLAINVILLE, 1835)
- Elgaria panamintina (STEBBINS, 1958)
- Emoia cyanura (LESSON, 1830)
- Emoia impar (WERNER, 1898)
- Enhydris enhydris (SCHNEIDER, 1799)
- Enuliophis sclateri (BOULENGER, 1894)
- Enulius flavitorques (COPE, 1868)
- Enyalius bibronii BOULENGER, 1885
- Epicrates alvarezi ABALOS, BAEZ & NADER, 1964
- Epicrates cenchria (LINNAEUS, 1758)
- Epicrates crassus COPE, 1862
- Epicrates maurus GRAY, 1849
- Epictia albifrons (WAGLER, 1824)
- Epictia albipuncta (BURMEISTER, 1861)
- Epictia ater (TAYLOR, 1940)
- Epictia melanoterma (COPE, 1862)
- Epictia munoai (OREJAS-MIRANDA, 1961)
- Epictia weyrauchi (OREJAS-MIRANDA, 1964)
- Eremias nigrocellata NIKOLSKY, 1896
- Eremias suphani BASOGLU & HELLMICH, 1968
- Eretmochelys imbricata (LINNAEUS, 1766)
- Erythrolamprus almadensis (WAGLER, 1824)
- Erythrolamprus atraventer (DIXON & THOMAS, 1985)
- Erythrolamprus bizona JAN, 1863
- Erythrolamprus carajasensis (CUNHA, NASCIMENTO & ÁVILA-PIRES, 1985)
- Erythrolamprus epinephalus (COPE, 1862)
- Erythrolamprus jaegeri (GÜNTHER, 1858)
- Erythrolamprus macrosomus (AMARAL, 1936)
- Erythrolamprus maryellenae (DIXON, 1985)
- Erythrolamprus miliaris (LINNAEUS, 1758)
- Erythrolamprus mimus (COPE, 1868)
- Erythrolamprus poecilogyrus (WIED-NEUWIED, 1824)
- Erythrolamprus reginae (LINNAEUS, 1758)
- Erythrolamprus subocularis (BOULENGER, 1902)
- Erythrolamprus torrenicola (DONNELLY & MYERS, 1991)
- Eryx colubrinus (LINNAEUS, 1758)
- Eryx conicus (SCHNEIDER, 1801)
- Eryx elegans (GRAY, 1849)
- Eryx jaculus (LINNAEUS, 1758)
- Eryx jayakari BOULENGER, 1888
- Eryx johnii (RUSSELL, 1801)
- Eryx miliaris (PALLAS, 1773)
- Eryx muelleri (BOULENGER, 1892)
- Eryx sistanensis ESKANDARZADEH, RASTEGAR-POUYANI, RASTEGAR-POUYANI, ZARGAN, HAJINOURMOHAMADI, NAZAROV, SAMI, RAJABIZADEH, NABIZADEH & NAVAIAN, 2020
- Eryx whitakeri DAS, 1991
- Eumeces schneiderii (DAUDIN, 1802)
- Eunectes murinus (LINNAEUS, 1758)
- Eunectes notaeus COPE, 1862
- Euprepiophis conspicillata (BOIE, 1826)
- Eurolophosaurus amathites (RODRIGUES, 1984)
- Eurolophosaurus divaricatus (RODRIGUES, 1986)
- Eutropis macularia (BLYTH, 1853)
- Eutropis multifasciata (KUHL, 1820)
- Eutropis rugifera (STOLICZKA, 1870)
- Exila nigropalmata (ANDERSSON, 1918)
- Exiliboa placata BOGERT, 1968
- Feylinia grandisquamis MÜLLER, 1910
- Fowlea asperrima (BOULENGER, 1891)
- Fowlea melanzosta (GRAVENHORST, 1807)
- Fowlea piscator (SCHNEIDER, 1799)
- Fowlea unicolor (MÜLLER, 1887)
- Gambelia copeii (YARROW, 1882)
- Gambelia sila (STEJNEGER, 1890)
- Gambelia wislizenii (BAIRD & GIRARD, 1852)
- Gehyra angusticaudata (TAYLOR, 1963)
- Gehyra fehlmanni (TAYLOR, 1962)
- Gehyra insulensis (GIRARD, 1858)
- Gehyra lacerata (TAYLOR, 1962)
- Gehyra mutilata (WIEGMANN, 1834)
- Gehyra oceanica (LESSON, 1830)
- Gehyra shiva MEESOOK, DONBUNDIT, JINDAMAD, TOPAI, KUNYA, SUTHANTHANGJAI, SUTHANTHANGJAI, CHOTJUCKDIKUL, CHONKAMNORD, SUMONTHA & PAUWELS, 2025
- Gehyra versicolor HUTCHINSON, SISTROM, DONNELLAN & HUTCHINSON, 2014
- Gehyra wongchan PAUWELS, MEESOOK, KUNYA, DONBUNDIT & SUMONTHA, 2022
- Gekko badenii SZCZERBAK & NEKRASOVA, 1994
- Gekko gecko (LINNAEUS, 1758)
- Gekko hulk GRISMER, PINTO, QUAH, ANUAR, COTA, MCGUIRE, ISKANDAR, WOOD & GRISMER, 2022
- Gekko japonicus (DUMÉRIL & BIBRON, 1836)
- Gekko kuhli (STEJNEGER, 1902)
- Gekko monarchus (SCHLEGEL, 1836)
- Gekko nutaphandi BAUER, SUMONTHA & PAUWELS, 2008
- Gekko pradapdao MEESOOK, SUMONTHA, DONBUNDIT & PAUWELS, 2021
- Gekko prep ZHOU, CHEN, LIU, LI, QI, LI & PENG, 2025
- Gekko shiva PAUWELS, MEESOOK, DONBUNDIT, JINDAMAD, TOPAI & SUMONTHA, 2025
- Gekko siamensis GROSSMANN & ULBER, 1990
- Gekko smithii GRAY, 1842
- Geochelone elegans (SCHOEPFF, 1795)
- Geochelone platynota (BLYTH, 1863)
- Geophis brachycephalus (COPE, 1871)
- Geophis downsi SAVAGE, 1981
- Geophis godmani BOULENGER, 1894
- Geophis hoffmanni (PETERS, 1859)
- Geophis laticollaris SMITH, LYNCH & ALTIG, 1965
- Geophis nasalis (COPE, 1868)
- Geophis ruthveni WERNER, 1925
- Geophis sartorii (COPE, 1863)
- Geophis talamancae LIPS & SAVAGE, 1994
- Geophis zeledoni TAYLOR, 1954
- Gerrhonotus infernalis BAIRD, 1859
- Gerrhonotus liocephalus WIEGMANN, 1828
- Gerrhonotus rhombifer PETERS, 1876
- Gerrhosaurus nigrolineatus HALLOWELL, 1857
- Gloydius blomhoffii (BOIE, 1826)
- Gloydius variegatus REN, HUANG, WU, JIANG & LI, 2024
- Goggia braacki (GOOD, BAUER & BRANCH, 1996)
- Goggia essexi (HEWITT, 1925)
- Goggia gemmula (BAUER, BRANCH & GOOD, 1996)
- Goggia hewitti (BRANCH, BAUER & GOOD, 1995)
- Goggia hexapora (BRANCH, BAUER & GOOD, 1995)
- Goggia incognita HEINICKE, TURK & BAUER`, 2017
- Goggia lineata (GRAY, 1838)
- Goggia matzikamaensis HEINICKE, TURK & BAUER, 2017
- Goggia microlepidota (FITZSIMONS, 1939)
- Goggia rupicola (FITZSIMONS, 1938)
- Goggia sabula CONRADIE, HUNDERMARK, KEMP & KEATES, 2025
- Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)
- Gonatodes alexandermendesi COLE & KOK, 2006
- Gonatodes humeralis (GUICHENOT, 1855)
- Gongylomorphus bojerii (DESJARDIN, 1831)
- Gongylomorphus fontenayi VINSON, 1973
- Gongylosoma baliodeira (BOIE, 1827)
- Gonocephalus chamaeleontinus (LAURENTI, 1768)
- Gonocephalus kuhlii (SCHLEGEL, 1851)
- Gonyosoma frenatum (GRAY, 1853)
- Gopherus agassizii (COOPER, 1861)
- Gowidon longirostris (BOULENGER, 1883)
- Graptemys pseudogeographica (GRAY, 1831)
- Grayia ornata (BOCAGE, 1866)
- Grypotyphlops acutus (DUMÉRIL & BIBRON, 1844)
- Gyalopion canum (COPE, 1860)
- Gyiophis salweenensis QUAH, GRISMER, WOOD, THURA, ZIN, KYAW, LWIN, GRISMER & MURDOCH, 2017
- Gymnodactylus darwinii (GRAY, 1845)
- Gymnodactylus geckoides SPIX, 1825
- Gymnophthalmus speciosus (HALLOWELL, 1861)
- Hapsidophrys smaragdina (SCHLEGEL, 1837)
- Harpesaurus beccarii DORIA, 1888
- Harpesaurus brooksi (PARKER, 1924)
- Harpesaurus ensicauda WERNER, 1913
- Harpesaurus modiglianii VINCIGUERRA, 1933
- Harpesaurus tricinctus (DUMÉRIL, 1851)
- Hebius gilhodesi (WALL, 1925)
- Hebius khasiensis (BOULENGER, 1890)
- Hebius vibakari (BOIE, 1826)
- Helicops leopardinus (SCHLEGEL, 1837)
- Helicops polylepis GÜNTHER, 1861
- Helminthophis frontalis (PETERS, 1860)
- Heloderma horridum (WIEGMANN, 1829)
- Heloderma suspectum COPE, 1869
- Hemidactylus agrius VANZOLINI, 1978
- Hemidactylus albituberculatus TRAPE, 2012
- Hemidactylus amarasinghei SAYYED, KHOT & PURKAYASTHA, 2025
- Hemidactylus angulatus HALLOWELL, 1854
- Hemidactylus brasilianus (AMARAL, 1935)
- Hemidactylus brookii GRAY, 1845
- Hemidactylus dungeri TRAPE & MEDIANNIKOV, 2025
- Hemidactylus flaviviridis RÜPPELL, 1835
- Hemidactylus frenatus DUMÉRIL & BIBRON, 1836
- Hemidactylus garnotii DUMÉRIL & BIBRON, 1836
- Hemidactylus granosus HEYDEN, 1827
- Hemidactylus guineensis PETERS, 1869
- Hemidactylus kushmorensis MURRAY, 1884
- Hemidactylus lamaensis ULLENBRUCH, GRELL & BÖHME, 2010
- Hemidactylus mabouia (MOREAU DE JONNÈS, 1818)
- Hemidactylus macropholis BOULENGER, 1896
- Hemidactylus pfindaensis LOBÓN-ROVIRA, CONRADIE, IGLESIAS, ERNST, VERÍSSIMO, BAPTISTA & PINTO, 2021
- Hemidactylus platyurus (SCHNEIDER, 1797)
- Hemidactylus sahgali MIRZA, GOWANDE, PATIL, AMBEKAR & PATEL, 2018
- Hemidactylus silaensis TRAPE & MEDIANNIKOV, 2025
- Hemidactylus tchadensis TRAPE & MEDIANNIKOV, 2025
- Hemidactylus turcicus (LINNAEUS, 1758)
- Hemiphyllodactylus banaensis NGO VAN TRI, GRISMER, THAI & WOOD, 2014
- Hemiphyllodactylus bokor NEANG, SAMORN, HUN, HENSON & STUART, 2024
- Hemiphyllodactylus bonkowskii NGUYEN, DO, NGO, PHAM, PHAM, LE & ZIEGLER, 2020
- Hemiphyllodactylus changningensis GUO, ZHOU, YAN & LI, 2015
- Hemiphyllodactylus chiangmaiensis GRISMER, WOOD & COTA, 2014
- Hemiphyllodactylus diaoluoshanensis WANG, YU, ZHENG, ZHANG, QI, JIANG, LI, QI, SONG, YANG, HUANG, LI, WANG, WANG, MO, XIE, LI & WANG, 2025
- Hemiphyllodactylus dupanglingensis ZHANG, QIAN & YANG, 2020
- Hemiphyllodactylus dushanensis ZHOU & LIU, 1981
- Hemiphyllodactylus gengmaensis ZHOU, LI, SHEN, LIU & RAO, 2024
- Hemiphyllodactylus hongkongensis SUNG, LEE, NG, ZHANG & YANG, 2018
- Hemiphyllodactylus houaphanensis LUU, HOANG, HA, GRISMER, MURDOCH, SITTHIVONG, PHIMPASONE & GRISMER, 2024
- Hemiphyllodactylus huishuiensis YAN, LIN, GUO, LI & ZHOU, 2016
- Hemiphyllodactylus jianfenglingensis WANG, YU, ZHENG, ZHANG, QI, JIANG, LI, QI, SONG, YANG, HUANG, LI, WANG, WANG, MO, XIE, LI & WANG, 2025
- Hemiphyllodactylus jinpingensis ZHOU & LIU, 1981
- Hemiphyllodactylus khlonglanensis SUKPRASERT, SUTTHIWISES, LAUHACHINDA & TAKSINTUM, 2018
- Hemiphyllodactylus khpoh GRISMER, SINOVAS, QUAH, THI, CHOURN, CHHIN, HUN, COBOS, GEISSLER, CHING & MURDOCH, 2025
- Hemiphyllodactylus kiziriani NGUYEN, BOTOV, LE DUC, NOPHASEUD, BONKOWSKI & ZIEGLER, 2014
- Hemiphyllodactylus laowozhenensis ZHOU, WANG, CUI, ZHANG, SHEN, LI, LIU & RAO, 2025
- Hemiphyllodactylus lingshuiensis WANG, YU, ZHENG, ZHANG, QI, JIANG, LI, QI, SONG, YANG, HUANG, LI, WANG, WANG, MO, XIE, LI & WANG, 2025
- Hemiphyllodactylus linnwayensis GRISMER, WOOD, THURA, ZIN, QUAH, MURDOCH, GRISMER, LI, KYAW & LWIN, 2017
- Hemiphyllodactylus longlingensis ZHOU & LIU, 1981
- Hemiphyllodactylus lungcuensis LUU, NGUYEN, DO, PHAM, HOANG, NGUYEN, LE, ZIEGLER, GRISMER & GRISMER, 2023
- Hemiphyllodactylus menglianensis ZHOU, LI, YUAN, CUI, LIU & RAO, 2024
- Hemiphyllodactylus mengsongcunensis ZHOU, LI, YUAN, CUI, LIU & RAO, 2024
- Hemiphyllodactylus montawaensis GRISMER, WOOD, THURA, ZIN, QUAH, MURDOCH, GRISMER, LI, KYAW & LWIN, 2017
- Hemiphyllodactylus nahangensis DO, PHAM, PHAN, LE, ZIEGLER & NGUYEN, 2020
- Hemiphyllodactylus ngocsonensis NGUYEN, DO, NGO, PHAM, PHAM, LE & ZIEGLER, 2020
- Hemiphyllodactylus ngwelwini GRISMER, WOOD, QUAH, THURA, OAKS & LIN, 2020
- Hemiphyllodactylus pardalis GRISMER, YUSHCHENKO, PAWANGKHANANT, NAIDUANGCHAN, NAZAROV, ORLOVA, SUWANNAPOOM & POYARKOV, 2020
- Hemiphyllodactylus samkos NEANG, SAMORN, HUN, HENSON & STUART, 2024
- Hemiphyllodactylus serpispecus ELIADES, PHIMMACHAK, SIVONGXAY, SILER & STUART, 2019
- Hemiphyllodactylus simaoensis AGUNG, CHORNELIA, GRISMER, GRISMER, QUAH, LU, TOMLINSON & HUGHES, 2022
- Hemiphyllodactylus tonywhitteni GRISMER, WOOD, THURA, ZIN, QUAH, MURDOCH, GRISMER, LI, KYAW & LWIN, 2017
- Hemiphyllodactylus typus BLEEKER, 1860
- Hemiphyllodactylus uga GRISMER, WOOD, THURA, ZIN, QUAH, MURDOCH, GRISMER, LI, KYAW & LWIN, 2018
- Hemiphyllodactylus vanhoensis LUU, HOANG, HA, GRISMER, MURDOCH, SITTHIVONG, PHIMPASONE & GRISMER, 2024
- Hemiphyllodactylus yanshanensis AGUNG, CHORNELIA, GRISMER, GRISMER, QUAH, LU, TOMLINSON & HUGHES, 2022
- Hemiphyllodactylus ywanganensis GRISMER, WOOD, THURA, ZIN, QUAH, MURDOCH, GRISMER, LI, KYAW & LWIN, 2018
- Hemiphyllodactylus zalonicus GRISMER, CHIT, PAWANGKHANANT, NAZAROV, ZAW & POYARKOV, 2021
- Hemiphyllodactylus zhutangxiangensis AGUNG, GRISMER, GRISMER, QUAH, CHORNELIA, LU & HUGHES, 2021
- Hemiphyllodactylus zugi NGUYEN, LEHMANN, LE DUC, DUONG, BONKOWSKI & ZIEGLER, 2013
- Herpetoreas davidi NGUYEN, LALREMSANGA, BIAKZUALA & VOGEL, 2024
- Herpetoreas xenura (WALL, 1907)
- Heterodon kennerlyi KENNICOTT, 1860
- Heteronotia binoei (GRAY, 1845)
- Hierophis viridiflavus (LACÉPÈDE, 1789)
- Holaspis guentheri GRAY, 1863
- Holaspis laevis WERNER, 1896
- Holaspis ngalangi PARRINHA, MARQUES, GONÇALVES, TIUTENKO, BAUER & CERÍACO, 2025
- Holbrookia lacerata COPE, 1880
- Holcosus festivus (LICHTENSTEIN & MARTENS, 1856)
- Holcosus leptophrys (COPE, 1893)
- Holcosus parvus (BARBOUR & NOBLE, 1915)
- Holcosus quadrilineatus (HALLOWELL, 1861)
- Holcosus undulatus (WIEGMANN, 1834)
- Homonota chelemini MORANDO, SÁNCHEZ, VRDOLJAK, PÉREZ, SITES & AVILA, 2025
- Homonota uruguayensis (VAZ-FERREIRA & SIERRA de SORIANO, 1961)
- Hoplocercus spinosus FITZINGER, 1843
- Hydromorphus concolor PETERS, 1859
- Hydrophis curtus (SHAW, 1802)
- Hydrophis cyanocinctus DAUDIN, 1803
- Hydrophis fasciatus (SCHNEIDER, 1799)
- Hydrophis platurus (LINNAEUS, 1766)
- Hydrophis schistosus DAUDIN, 1803
- Hydrophis spiralis (SHAW, 1802)
- Hydrophis stokesii (GRAY, 1846)
- Hydrophis torquatus GÜNTHER, 1864
- Hydrophis viperinus (SCHMIDT, 1852)
- Hydrops triangularis (WAGLER, 1824)
- Hypnale hypnale (MERREM, 1820)
- Hypsiglena chlorophaea COPE, 1860
- Hypsiglena jani (DUGÈS, 1865)
- Hypsiglena ochrorhynchus COPE, 1860
- Hypsirhynchus ater (GOSSE, 1851)
- Hypsirhynchus callilaemus (GOSSE, 1851)
- Hypsirhynchus funereus (COPE, 1862)
- Hypsiscopus plumbeus (BOIE, 1827)
- Iberolacerta horvathi (MÉHELY, 1904)
- Ichnotropis bivittata BOCAGE, 1866
- Ichnotropis capensis (SMITH, 1838)
- Ichnotropis grandiceps BROADLEY, 1967
- Ichnotropis microlepidota MARX, 1956
- Iguana iguana (LINNAEUS, 1758)
- Imantodes cenchoa (LINNAEUS, 1758)
- Imantodes gemmistratus (COPE, 1861)
- Imantodes inornatus (BOULENGER, 1896)
- Imantodes tenuissimus (COPE, 1867)
- Indotyphlops braminus (DAUDIN, 1803)
- Indotyphlops loveridgei (CONSTABLE, 1949)
- Kentropyx calcarata SPIX, 1825
- Kentropyx paulensis (BOETTGER, 1893)
- Kentropyx vanzoi GALLAGHER & DIXON, 1980
- Kinixys erosa (SCHWEIGGER, 1812)
- Kinosternon abaxillare BAUR, 1925
- Kinosternon albogulare (DUMÉRIL & BOCOURT, 1870)
- Kinosternon angustipons LEGLER, 1965
- Kinosternon chimalhuaca BERRY, SEIDEL & IVERSON, 1997
- Kinosternon flavescens (AGASSIZ, 1857)
- Kinosternon integrum LE CONTE, 1854
- Kinosternon leucostomum (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
- Kinosternon scorpioides (LINNAEUS, 1766)
- Kinosternon sonoriense LE CONTE, 1854
- Kinosternon vogti LÓPEZ-LUNA, CUPUL-MAGAÑA, ESCOBEDO-GALVÁN, GONZÁLEZ-HERNÁNDEZ, CENTENERO-ALCALÁ, RANGEL-MENDOZA, RAMÍREZ-RAMÍREZ & CAZARES-HERNÁNDEZ, 2018
- Kolekanos plumicaudus (HAACKE, 2008)
- Kualatahan pahangensis (TWEEDIE, 1946)
- Lacerta agilis LINNAEUS, 1758
- Lacerta bilineata DAUDIN, 1802
- Lacerta citrovittata WERNER, 1938
- Lacerta viridis (LAURENTI, 1768)
- Lachesis melanocephala SOLÓRZANO & CERDAS, 1986
- Lachesis muta (LINNAEUS, 1766)
- Lachesis stenophrys COPE, 1875
- Laemanctus serratus COPE, 1864
- Lamprolepis smaragdina (LESSON, 1829)
- Lampropeltis abnorma (BOCOURT, 1886)
- Lampropeltis alterna (BROWN, 1901)
- Lampropeltis californiae (BLAINVILLE, 1835)
- Lampropeltis micropholis COPE, 1860
- Lampropeltis polyzona COPE, 1860
- Lampropeltis triangulum (LACÉPÈDE, 1789)
- Lampropeltis zonata (LOCKINGTON, 1835)
- Lamprophis aurora (LINNAEUS, 1758)
- Lamprophis fiskii BOULENGER, 1887
- Lamprophis fuscus BOULENGER, 1893
- Lampropholis delicata (DE VIS, 1888)
- Lampropholis isla HOSKIN, 2025
- Lanthanotus borneensis STEINDACHNER, 1878
- Latastia doriai BEDRIAGA, 1884
- Latastia ornata MONARD, 1940
- Laticauda colubrina (SCHNEIDER, 1799)
- Laudakia papenfussi ZHAO, 1998
- Laudakia stellio (LINNAEUS, 1758)
- Leiocephalus herminieri (DUMÉRIL & BIBRON, 1837)
- Leiolepis belliana (HARDWICKE & GRAY, 1827)
- Leiolepis guentherpetersi DAREVSKY & KUPRIYANOVA, 1993
- Leiolepis guttata CUVIER, 1829
- Leiolepis reevesii (GRAY, 1831)
- Leiolopisma ceciliae ARNOLD & BOUR, 2008
- Leiolopisma telfairii (DESJARDIN, 1831)
- Leiopython albertisii (PETERS & DORIA, 1878)
- Leiopython fredparkeri SCHLEIP, 2008
- Lepidoblepharis xanthostigma (NOBLE, 1916)
- Lepidochelys olivacea (ESCHSCHOLTZ, 1829)
- Lepidodactylus exoris OLIVER & RICHARDS, 2025
- Lepidodactylus lugubris (DUMÉRIL & BIBRON, 1836)
- Lepidophyma flavimaculatum DUMÉRIL, 1851
- Lepidophyma reticulatum TAYLOR, 1955
- Leposoma baturitensis RODRIGUES & BORGES, 1997
- Leposternon polystegum (DUMÉRIL, 1851)
- Leptodeira annulata (LINNAEUS, 1758)
- Leptodeira frenata (COPE, 1886)
- Leptodeira nigrofasciata GÜNTHER, 1868
- Leptodeira rhombifera GÜNTHER, 1872
- Leptodeira rubricata (COPE, 1893)
- Leptodeira septentrionalis (KENNICOTT, 1859)
- Leptodrymus pulcherrimus (COPE, 1874)
- Leptophis ahaetulla (LINNAEUS, 1758)
- Leptophis depressirostris (COPE, 1861)
- Leptophis dibernardoi ALBUQUERQUE, SANTOS, BORGES-NOJOSA & ÁVILA, 2022
- Leptophis marginatus (COPE, 1862)
- Leptophis mexicanus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Leptophis mystacinus ALBUQUERQUE, MARTINS, CARVALHO, SHEPARD & SANTANA, 2025
- Leptophis nebulosus OLIVER, 1942
- Leptophis occidentalis (GÜNTHER, 1859)
- Leptophis praestans (COPE, 1868)
- Leptophis riveti DESPAX, 1910
- Lerista bougainvillii (GRAY, 1839)
- Lerista karichigara ZOZAYA, VANDERDUYS, MACOR, READ & AMEY, 2025
- Lerista punctatovittata (GÜNTHER, 1867)
- Lerista timida (DE VIS, 1888)
- Lialis burtonis GRAY, 1834
- Liasis fuscus PETERS, 1873
- Liasis mackloti DUMÉRIL & BIBRON, 1844
- Liasis olivaceus GRAY, 1842
- Lichanura trivirgata COPE, 1861
- Limaformosa savorgnani (MOCQUARD, 1887)
- Liolaemus capillitas HULSE, 1979
- Liolaemus chavin AGUILAR, WOOD, CUSI, GUZMÁN, HUARI, LUNDBERG, MORTENSEN, RAMÍREZ, ROBLES, SUÁREZ, TICONA, VARGAS, VENEGAS & SITES, 2013
- Liolaemus dicktracyi ESPINOZA & LOBO, 2003
- Liolaemus fiambala RUIZ, QUIPILDOR, DECIMA, VALDECANTOS & LOBO, 2025
- Liolaemus galactostictos AVILA, VRDOLJAK, MEDINA, MASSINI, FULVIO-PEREZ, SITES & MORANDO, 2021
- Liolaemus heliodermis ESPINOZA, LOBO & CRUZ, 2000
- Liolaemus irregularis LAURENT, 1986
- Liolaemus maldonadae NAVARRO & NÚÑEZ, 1991
- Liolaemus misti SANTA-CRUZ, CANAZAS-TERÁN, BEJARANO, LÓPEZ, MORALES, VON MAY, CATENAZZI & AGUILAR-PUNTRIANO, 2025
- Liolaemus pachacutec AGUILAR, WOOD, CUSI, GUZMÁN, HUARI, LUNDBERG, MORTENSEN, RAMÍREZ, ROBLES, SUÁREZ, TICONA, VARGAS, VENEGAS & SITES, 2013
- Liolaemus petrophilus DONOSO-BARROS & CEI, 1971
- Liolaemus tacnae (SHREVE, 1941)
- Liolaemus talampaya AVILA, MORANDO, PEREZ & SITES, 2004
- Liolaemus tulkas QUINTEROS, ABDALA, GÓMEZ & SCROCCHI, 2008
- Liolaemus umbrifer ESPINOZA & LOBO, 2003
- Liolaemus walkeri SHREVE, 1938
- Liolaemus wari AGUILAR, WOOD, CUSI, GUZMÁN, HUARI, LUNDBERG, MORTENSEN, RAMÍREZ, ROBLES, SUÁREZ, TICONA, VARGAS, VENEGAS & SITES, 2013
- Liolaemus yanalcu MARTÍNEZ OLIVER & LOBO, 2002
- Liopholis inornata (ROSÉN, 1905)
- Liotyphlops albirostris (PETERS, 1858)
- Liotyphlops taylori MARRA-SANTOS & REIS, 2018
- Liotyphlops ternetzii (BOULENGER, 1896)
- Loxocemus bicolor COPE, 1861
- Loxopholis rugiceps COPE, 1869
- Loxopholis southi (RUTHVEN & GAIGE, 1924)
- Lucasium damaeum (LUCAS & FROST, 1896)
- Lycodon anakradaya NGUYEN, DUONG, WOOD & GRISMER, 2022
- Lycodon aulicus (LINNAEUS, 1758)
- Lycodon bicolor (NIKOLSKY, 1903)
- Lycodon capucinus BOIE, 1827
- Lycodon cardamomensis DALTRY & WÜSTER, 2002
- Lycodon carinatus (KUHL, 1820)
- Lycodon chapaensis (ANGEL & BOURRET, 1933)
- Lycodon davisonii (BLANFORD, 1878)
- Lycodon fasciolatus (SHAW, 1802)
- Lycodon flavozonatus (POPE, 1928)
- Lycodon futsingensis (POPE, 1928)
- Lycodon gibsonae VOGEL & DAVID, 2019
- Lycodon gongshan VOGEL & LUO, 2011
- Lycodon jara (SHAW, 1802)
- Lycodon latifasciatus NGUYEN, LEE, JIANG, DING, CHIT, POYARKOV & VOGEL, 2025
- Lycodon orientalis (HILGENDORF, 1880)
- Lycodon paucifasciatus RENDAHL, 1943
- Lycodon poyarkovi NGUYEN & VOGEL, 2025
- Lycodon rosozonatus (HU & ZHAO, 1972)
- Lycodon rufozonatus CANTOR, 1842
- Lycodon semicarinatus (COPE, 1860)
- Lycodon septentrionalis (GÜNTHER, 1875)
- Lycodon striatus (SHAW, 1802)
- Lycodon tiwarii BISWAS & SANYAL, 1965
- Lycodon travancoricus (BEDDOME, 1870)
- Lycodon zawi SLOWINSKI, PAWAR, WIN, THIN, GYI, OO & TUN, 2001
- Lycodonomorphus bicolor (GÜNTHER, 1893)
- Lycodonomorphus laevissimus (GÜNTHER, 1862)
- Lycodonomorphus leleupi (LAURENT, 1950)
- Lycodonomorphus mlanjensis LOVERIDGE, 1953
- Lycodonomorphus obscuriventris FITZSIMONS, 1963
- Lycodonomorphus rufulus (LICHTENSTEIN, 1823)
- Lycodonomorphus whytii (BOULENGER, 1897)
- Lygisaurus curtus (BOULENGER, 1897)
- Lygisaurus foliorum DE VIS, 1884
- Lygodactylus gutturalis (BOCAGE, 1873)
- Lygodactylus klugei (SMITH, MARTIN & SWAIN, 1977)
- Lygodactylus lobeke RÖLL, VAZ-PINTO & LOBÓN-ROVIRA, 2024
- Lygodactylus namoroka RAKOTOARISON, GIPPNER, MULTZSCH, MIRALLES, RAZAFIMANAFO, HASINIAINA, GLAW & VENCES, 2025
- Lygophis dilepis COPE, 1862
- Mabuya dominicana GARMAN, 1887
- Macropholidus ruthveni NOBLE, 1921
- Madatyphlops arenarius (GRANDIDIER, 1872)
- Malayopython reticulatus (SCHNEIDER, 1801)
- Malayopython timoriensis (PETERS, 1876)
- Malpolon monspessulanus (HERMANN, 1804)
- Manciola guaporicola (DUNN, 1935)
- Manouria emys (SCHLEGEL & MÜLLER, 1844)
- Marisora alliacea (COPE, 1875)
- Marisora brachypoda (TAYLOR, 1956)
- Marisora unimarginata (COPE, 1863)
- Masticophis flagellum (SHAW, 1802)
- Masticophis fuliginosus (COPE, 1895)
- Masticophis lateralis (HALLOWELL, 1853)
- Masticophis mentovarius (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Masticophis taeniatus (HALLOWELL, 1852)
- Mastigodryas alternatus (BOCOURT, 1884)
- Mastigodryas boddaerti (SENTZEN, 1796)
- Mastigodryas heathii (COPE, 1875)
- Mastigodryas melanolomus (COPE, 1868)
- Mauremys annamensis (SIEBENROCK, 1903)
- Mauremys japonica (TEMMINCK & SCHLEGEL, 1835)
- Mauremys nigricans (GRAY, 1834)
- Mauremys reevesii (GRAY, 1831)
- Mediodactylus kotschyi (STEINDACHNER, 1870)
- Medopheos edracanthus (BOCOURT, 1874)
- Mehelya poensis (SMITH, 1849)
- Melanosuchus niger (SPIX, 1825)
- Menetia greyii GRAY, 1845
- Meroles anchietae (BOCAGE, 1867)
- Meroles reticulatus (BOCAGE, 1867)
- Mesoamericus bilobatus (O'SHAUGHNESSY, 1874)
- Mesoclemmys gibba (SCHWEIGGER, 1812)
- Mesoclemmys vanderhaegei (BOUR, 1973)
- Mesomycterus splendidus (GRANDIDIER, 1872)
- Mesoscincus managuae (DUNN, 1933)
- Mesoscincus schwartzei (FISCHER, 1884)
- Metlapilcoatlus mexicanus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrablepharus atticolus RODRIGUES, 1996
- Micrablepharus maximiliani (REINHARDT & LÜTKEN, 1862)
- Microlophus occipitalis (PETERS, 1871)
- Micrurus alleni SCHMIDT, 1936
- Micrurus apiatus (JAN, 1858)
- Micrurus clarki SCHMIDT, 1936
- Micrurus diastema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus frontalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus fulvius (LINNAEUS, 1766)
- Micrurus mertensi SCHMIDT, 1936
- Micrurus mipartitus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Micrurus mosquitensis SCHMIDT, 1933
- Micrurus multifasciatus (JAN, 1858)
- Micrurus nigrocinctus (GIRARD, 1854)
- Mimophis mahfalensis (GRANDIDIER, 1867)
- Mimophis occultus RUANE, MYERS, LO, YUEN, WELT, JUMAN, FUTTERMAN, NUSSBAUM, SCHNEIDER, BURBRINK & RAXWORTHY, 2017
- Mixcoatlus barbouri (DUNN, 1919)
- Mochlus sundevallii (SMITH, 1849)
- Morelia bredli (GOW, 1981)
- Morelia carinata (SMITH, 1981)
- Morelia spilota (LACÉPÈDE, 1804)
- Morelia viridis (SCHLEGEL, 1872)
- Morethia boulengeri (OGILBY, 1890)
- Morethia obscura STORR, 1972
- Myriopholis wilsoni (HAHN, 1978)
- Nactus coindemirensis BULLOCK, ARNOLD & BLOXAM, 1985
- Nactus pelagicus (GIRARD, 1858)
- Nactus serpensinsula (LOVERIDGE, 1951)
- Naja atra CANTOR, 1842
- Naja haje (LINNAEUS, 1758)
- Naja kaouthia LESSON, 1831
- Naja melanoleuca HALLOWELL, 1857
- Naja naja (LINNAEUS, 1758)
- Naja nigricollis REINHARDT, 1843
- Naja nubiae WÜSTER & BROADLEY, 2003
- Naja sputatrix BOIE, 1827
- Natriciteres olivacea (PETERS, 1854)
- Natrix astreptophora (LOPEZ-SEOANE, 1885)
- Natrix helvetica (LACÉPÈDE, 1789)
- Natrix maura (LINNAEUS, 1758)
- Nerodia fasciata (LINNAEUS, 1766)
- Nerodia floridana (GOFF, 1936)
- Nerodia sipedon (LINNAEUS, 1758)
- Ninia celata MCCRANIE & WILSON, 1995
- Ninia diademata BAIRD & GIRARD, 1853
- Ninia maculata (PETERS, 1861)
- Ninia psephota (COPE, 1875)
- Ninia sebae (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Nothopsis rugosus COPE, 1871
- Notomabuya frenata (COPE, 1863)
- Nucras boulengeri NEUMANN, 1900
- Nucras holubi (STEINDACHNER, 1882)
- Nucras margaritae BAUER, CHILDERS & BURGER, 2025
- Nucras ornata (GRAY, 1864)
- Nyctophilopython oenpelliensis (GOW, 1977)
- Oedura argentea HOSKIN, ZOZAYA & VANDERDUYS, 2018
- Oedura atra HOSKIN, 2025
- Oedura castelnaui (THOMINOT, 1889)
- Oedura coggeri BUSTARD, 1966
- Oedura monilis DE VIS, 1888
- Oligodon affinis GÜNTHER, 1862
- Oligodon albocinctus (CANTOR, 1839)
- Oligodon arnensis (SHAW, 1802)
- Oligodon cicadophagus PAUWELS, DONBUNDIT, SUMONTHA & MEESOOK, 2025
- Oligodon cinereus (GÜNTHER, 1864)
- Oligodon cyclurus (CANTOR, 1839)
- Oligodon juglandifer (WALL, 1909)
- Oligodon purpurascens (SCHLEGEL, 1837)
- Oligodon russelius (DAUDIN, 1803)
- Oligodon sublineatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Oligodon taeniolatus (JERDON, 1853)
- Oligodon zhangfujii JIANG, WU, HUANG, REN, GAO, LYU & LI, 2024
- Opheodrys aestivus (LINNAEUS, 1766)
- Opheodrys vernalis (HARLAN, 1827)
- Ophiodes striatus (SPIX, 1824)
- Ophiophagus hannah (CANTOR, 1836)
- Ophisaurus attenuatus BAIRD, 1880
- Ophisops occidentalis (BOULENGER, 1887)
- Ophryacus sphenophrys (SMITH, 1960)
- Ophryacus undulatus (JAN, 1859)
- Opisthotropis daovantieni ORLOV, DAREVSKY & MURPHY, 1998
- Orientocoluber spinalis (PETERS, 1866)
- Osteolaemus tetraspis COPE, 1861
- Ouroborus cataphractus (BOIE, 1828)
- Ovophis anitae DAVID, FRÉTEY & VOGEL, 2024
- Ovophis jenkinsi QIU, WANG, XIA, JIANG, ZENG, WANG, LI & SHI, 2024
- Ovophis monticola (GÜNTHER, 1864)
- Ovophis zayuensis (JIANG, 1977)
- Ovophis zhaoermii LIU, HOU, MO, LI, LI, LUO, RAO & LI, 2025
- Oxybelis aeneus (WAGLER, 1824)
- Oxybelis brevirostris (COPE, 1861)
- Oxybelis fulgidus (DAUDIN, 1803)
- Oxybelis koehleri JADIN, BLAIR, ORLOFSKE, JOWERS, RIVAS, VITT, RAY, SMITH & MURPHY, 2020
- Oxybelis wilsoni VILLA & MCCRANIE, 1995
- Oxyrhopus melanogenys (TSCHUDI, 1845)
- Oxyrhopus petolarius (LINNAEUS, 1758)
- Oxyrhopus rhombifer DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Pachydactylus rangei (ANDERSSON, 1908)
- Pachydactylus scutatus HEWITT, 1927
- Pachydactylus vanzyli (STEYN & HAACKE, 1966)
- Palea steindachneri (SIEBENROCK, 1906)
- Paleosuchus palpebrosus (CUVIER, 1807)
- Palusophis bifossatus (RADDI, 1820)
- Panaspis annettesabinae COLSTON, PYRON & BAUER, 2020
- Panaspis breviceps (PETERS, 1873)
- Panaspis cabindae (BOCAGE, 1866)
- Panaspis tristaoi (MONARD, 1940)
- Pangshura sylhetensis JERDON, 1870
- Pangshura tecta (GRAY, 1831)
- Pantherophis alleghaniensis (HOLBROOK, 1836)
- Pantherophis bairdi (YARROW, 1880)
- Pantherophis emoryi (BAIRD & GIRARD, 1853)
- Pantherophis guttatus (LINNAEUS, 1766)
- Paralaudakia badakhshana (ANDERSON & LEVITON, 1969)
- Paralaudakia bochariensis (NIKOLSKY, 1897)
- Paralaudakia caucasia (EICHWALD, 1831)
- Paralaudakia erythrogaster (NIKOLSKY, 1896)
- Paralaudakia himalayana (STEINDACHNER, 1867)
- Paralaudakia lehmanni (NIKOLSKY, 1896)
- Paralaudakia microlepis (BLANFORD, 1874)
- Paralaudakia stoliczkana (BLANFORD, 1875)
- Pareas capitulatus STUART, SEATEUN, SIVONGXAY, SOUVANNAVONG, PHIMMACHAK, 2025
- Pareas carinatus WAGLER, 1830
- Pareas macularius THEOBALD, 1868
- Pareas monticola (CANTOR, 1839)
- Pareas yunnanensis (VOGT, 1922)
- Pedioplanis haackei CONRADIE, MEASEY, BRANCH & TOLLEY, 2012
- Pedioplanis huntleyi CONRADIE, MEASEY, BRANCH & TOLLEY, 2012
- Pedioplanis serodioi PARRINHA, MARQUES, HEINICKE, KHALID, PARKER, TOLLEY, CHILDERS, CONRADIE, BAUER & CERÍACO, 2021
- Pelochelys cantorii GRAY, 1864
- Pelodiscus axenaria (ZHOU, ZHANG & FANG, 1991)
- Petrosaurus mearnsi (STEJNEGER, 1894)
- Phalotris illustrator SCROCCHI, GIRAUDO & NENDA, 2022
- Phalotris matogrossensis DE LEMA, D’AGOSTINI & CAPPELLARI, 2005
- Phalotris nasutus (GOMES, 1915)
- Phelsuma borbonica MERTENS, 1966
- Phelsuma gigas LIÉNARD, 1842
- Phelsuma guentheri BOULENGER, 1885
- Phelsuma laticauda (BOETTGER, 1880)
- Philodryas agassizii (JAN, 1863)
- Philodryas nattereri (STEINDACHNER, 1870)
- Philodryas olfersii (LICHTENSTEIN, 1823)
- Philothamnus battersbyi LOVERIDGE, 1951
- Philothamnus natalensis (SMITH, 1848)
- Philothamnus occidentalis BROADLEY, 1966
- Phimophis guerini (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Phoenicolacerta laevis (GRAY, 1838)
- Pholidoscelis taeniurus (COPE, 1862)
- Phrynocephalus ananjevae MELNIKOV, MELNIKOVA, NAZAROV & RAJABIZADEH, 2013
- Phrynocephalus horvathi MEHELY, 1894
- Phrynocephalus persicus DE FILIPPI, 1863
- Phrynocephalus theobaldi BLYTH, 1863
- Phrynocephalus vlangalii STRAUCH, 1876
- Phrynonax poecilonotus (GÜNTHER, 1858)
- Phrynonax sexcarinatus (WAGLER, 1824)
- Phrynonax shropshirei BARBOUR & AMARAL, 1924
- Phrynops geoffroanus (SCHWEIGGER, 1812)
- Phrynosoma blainvillii GRAY, 1839
- Phrynosoma braconnieri BOCOURT, 1870
- Phrynosoma cornutum (HARLAN, 1825)
- Phrynosoma douglasii (BELL, 1829)
- Phrynosoma mcallii (HALLOWELL, 1852)
- Phrynosoma modestum GIRARD, 1852
- Phrynosoma platyrhinos GIRARD, 1852
- Phyllodactylus andysabini ARTEAGA, BUSTAMANTE, VIEIRA, TAPIA & GUAYASAMIN, 2019
- Phyllodactylus kofordi DIXON & HUEY, 1970
- Phyllodactylus nocticolus DIXON, 1964
- Phyllodactylus pulcher GRAY, 1828
- Phyllodactylus tuberculosus WIEGMANN, 1834
- Phyllopezus lutzae (LOVERIDGE, 1941)
- Phyllopezus pollicaris (SPIX, 1825)
- Phyllopezus przewalskii KOSLOWSKY, 1895
- Phyllopezus selmae DUBEUX, GONÇALVES, PALMEIRA, NUNES, CASSIMIRO, GAMBLE, WERNECK, RODRIGUES & MOTT, 2022
- Phyllorhynchus decurtatus (COPE, 1868)
- Phymaturus williamsi LOBO, LASPIUR & ACOSTA, 2013
- Pituophis catenifer (BLAINVILLE, 1835)
- Pituophis lineaticollis (COPE, 1861)
- Platyceps gracilis (GÜNTHER, 1862)
- Platyceps plinii (MERREM, 1820)
- Platyceps rhodorachis (JAN, 1863)
- Plestiodon brevirostris (GÜNTHER, 1860)
- Plestiodon gilberti (VAN DENBURGH, 1896)
- Plestiodon longiartus GARCÍA-VÁZQUEZ, PAVÓN-VÁZQUEZ, FERIA-ORTIZ & NIETO-MONTES DE OCA, 2021
- Plestiodon obsoletus BAIRD & GIRARD, 1852
- Plestiodon skiltonianus BAIRD & GIRARD, 1852
- Plestiodon tamdaoensis (BOURRET, 1937)
- Plestiodon tetragrammus BAIRD, 1859
- Pliocercus elapoides COPE, 1860
- Pliocercus euryzonus COPE, 1862
- Podarcis erhardii (BEDRIAGA, 1882)
- Podarcis muralis (LAURENTI, 1768)
- Podarcis peloponnesiacus (BIBRON & BORY, 1833)
- Podarcis siculus (RAFINESQUE-SCHMALTZ, 1810)
- Podocnemis expansa (SCHWEIGGER, 1812)
- Podocnemis unifilis TROSCHEL, 1848
- Pogona barbata (CUVIER, 1829)
- Polychrus acutirostris SPIX, 1825
- Polychrus femoralis WERNER, 1910
- Polychrus gutturosus BERTHOLD, 1846
- Polychrus marmoratus (LINNAEUS, 1758)
- Porthidium nasutum (BOCOURT, 1868)
- Porthidium ophryomegas (BOCOURT, 1868)
- Porthidium porrasi LAMAR, 2003
- Porthidium volcanicum SOLÓRZANO, 1995
- Prasinohaema flavipes (PARKER, 1936)
- Prasinohaema scurrula SLAVENKO, SHEA, RICHARDS & OLIVER, 2025
- Pristurus ali BURRIEL-CARRANZA, KOPPETSCH, GARCIA-PORTA & CARRANZA, 2025
- Pristurus assareen BURRIEL-CARRANZA, KOPPETSCH, GARCIA-PORTA & CARRANZA, 2025
- Pristurus feulneri BURRIEL-CARRANZA, KOPPETSCH, GARCIA-PORTA & CARRANZA, 2025
- Pristurus omanensis BURRIEL-CARRANZA, KOPPETSCH, GARCIA-PORTA & CARRANZA, 2025
- Pristurus rupestris BLANFORD, 1874
- Protobothrops cornutus (SMITH, 1930)
- Protobothrops dabieshanensis HUANG, PAN, HAN, ZHANG, HOU, YU, ZHENG & ZHANG, 2012
- Protobothrops elegans (GRAY, 1849)
- Protobothrops flavirostris GRASSBY-LEWIS, BRAKELS, MAURY, SITTHIVONG, FROHLICH, PAWANGKHANANT, IDIIATULLINA, NGUYEN & POYARKOV, 2025
- Protobothrops flavoviridis (HALLOWELL, 1861)
- Protobothrops himalayanus PAN, CHETTRI, YANG, JIANG, WANG, ZHANG & VOGEL, 2013
- Protobothrops jerdonii (GÜNTHER, 1875)
- Protobothrops kaulbacki (SMITH, 1940)
- Protobothrops kelomohy SUMONTHA, VASARUCHAPONG, CHOMNGAM, SUNTRARACHUN, PAWANGKHANANT, SOMPAN, SMITS, KUNYA & CHANHOME, 2020
- Protobothrops mangshanensis (ZHAO, 1990)
- Protobothrops maolanensis YANG, ORLOV & WANG, 2011
- Protobothrops mucrosquamatus (CANTOR, 1839)
- Protobothrops sieversorum (ZIEGLER, HERRMANN, DAVID, ORLOV & PAUWELS, 2000)
- Protobothrops tokarensis (NAGAI, 1928)
- Protobothrops trungkhanhensis ORLOV, RYABOV & NGUYEN, 2009
- Protobothrops xiangchengensis (ZHAO, JIANG & HUANG, 1978)
- Psammobates geometricus (LINNAEUS, 1758)
- Psammodynastes pulverulentus (BOIE, 1827)
- Psammophis elegans (SHAW, 1802)
- Psammophis leightoni BOULENGER, 1902
- Psammophis leithii GÜNTHER, 1869
- Psammophis longifrons BOULENGER, 1890
- Psammophis mossambicus PETERS, 1882
- Psammophis punctulatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
- Psammophis sibilans (LINNAEUS, 1758)
- Psammophis turpanensis CHEN, LIU, CAI, LI, WU & GUO, 2021
- Pseudalsophis elegans (TSCHUDI, 1845)
- Pseudelaphe flavirufa (COPE, 1867)
- Pseudemys concinna (LE CONTE, 1830)
- Pseudoboa martinsi ZAHER, OLIVEIRA & FRANCO, 2008
- Pseudoboa neuwiedii (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudoboa nigra (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudocalotes tympanistriga (GRAY, 1831)
- Pseudoeryx plicatilis (LINNAEUS, 1758)
- Pseudoindotyphlops porrectus (STOLICZKA, 1871)
- Pseudonaja textilis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Pseudoxenodon inornatus (BOIE, 1827)
- Psychosaura agmosticha (RODRIGUES, 2000)
- Psychosaura macrorhyncha (HOGE, 1946)
- Ptyas korros (SCHLEGEL, 1837)
- Ptyas mucosa (LINNAEUS, 1758)
- Ptyctolaemus gularis (PETERS, 1864)
- Ptyodactylus bischoffsheimi BOUTAN, 1893
- Ptyodactylus guttatus HEYDEN, 1827
- Ptyodactylus hasselquistii (DONNDORFF, 1798)
- Ptyodactylus puiseuxi BOUTAN, 1893
- Python anchietae BOCAGE, 1887
- Python bivittatus KUHL, 1820
- Python brongersmai STULL, 1938
- Python curtus SCHLEGEL, 1872
- Python molurus (LINNAEUS, 1758)
- Python natalensis SMITH, 1840
- Python regius (SHAW, 1802)
- Python sebae (GMELIN, 1789)
- Pythonodipsas carinata GÜNTHER, 1868
- Quedenfeldtia trachyblepharus (BOETTGER, 1874)
- Ramphotyphlops lineatus (SCHLEGEL, 1839)
- Rena dulcis BAIRD & GIRARD, 1853
- Rena humilis BAIRD & GIRARD, 1853
- Rhabdophis chrysargos (SCHLEGEL, 1837)
- Rhabdophis conspicillatus (GÜNTHER, 1872)
- Rhabdophis helleri (SCHMIDT, 1925)
- Rhabdophis himalayanus (GÜNTHER, 1864)
- Rhabdophis plumbicolor (CANTOR, 1839)
- Rhabdophis subminiatus (SCHLEGEL, 1837)
- Rhabdophis tigrinus (BOIE, 1826)
- Rhadinaea calligaster (COPE, 1875)
- Rhadinaea decorata (GÜNTHER, 1858)
- Rhadinaea marcellae TAYLOR, 1949
- Rhadinaea myersi ROSSMAN, 1965
- Rhadinaea pulveriventris BOULENGER, 1896
- Rhadinaea taeniata (PETERS, 1863)
- Rhadinella godmani (GÜNTHER, 1865)
- Rhadinella serperaster (COPE, 1871)
- Rhamphiophis maradiensis CHIRIO & INEICH, 1991
- Rhinobothryum bovallii (ANDERSSON, 1916)
- Rhinocheilus lecontei BAIRD & GIRARD, 1853
- Rhinoclemmys annulata (GRAY, 1860)
- Rhinoclemmys areolata (DUMÉRIL, BIBRON & DUMÉRIL, 1851)
- Rhinoclemmys funerea (COPE, 1875)
- Rhinoclemmys pulcherrima (GRAY, 1855)
- Rhinoclemmys punctularia (DAUDIN, 1801)
- Rhinoguinea magna TRAPE, 2014
- Rhinophis saffragamus (KELAART, 1853)
- Rhinotyphlops schinzi (BOETTGER, 1887)
- Rhoptropus afer PETERS, 1869
- Rhoptropus barnardi HEWITT, 1926
- Rhoptropus biporosus FITZSIMONS, 1957
- Rhoptropus boultoni SCHMIDT, 1933
- Rhoptropus nivimontanus PARRINHA, MARQUES, TIUTENKO, HEINICKE, BAUER & CERÍACO, 2025
- Rhynchoedura ormsbyi WELLS & WELLINGTON, 1985
- Riopa albopunctata GRAY, 1846
- Ristella rurkii GRAY, 1839
- Sahyadriophis beddomei (GÜNTHER, 1864)
- Salea anamallayana (BEDDOME, 1878)
- Salvadora deserticola SCHMIDT, 1940
- Salvadora grahamiae BAIRD & GIRARD, 1853
- Salvadora hexalepis (COPE, 1867)
- Salvadora intermedia HARTWEG, 1940
- Salvator merianae DUMÉRIL & BIBRON, 1839
- Sanzinia madagascariensis (DUMÉRIL & BIBRON, 1844)
- Sanzinia volontany VENCES & GLAW, 2004
- Saproscincus basiliscus (INGRAM & RAWLINSON, 1981)
- Sauromalus ater DUMÉRIL, 1856
- Sauromalus varius DICKERSON, 1919
- Scaphiodontophis venustissimus (GÜNTHER, 1894)
- Sceloporus aureolus SMITH, 1942
- Sceloporus becki VAN DENBURGH, 1905
- Sceloporus bimaculosus PHELAN & BRATTSTROM, 1955
- Sceloporus chrysostictus COPE, 1866
- Sceloporus couchii BAIRD, 1859
- Sceloporus cowlesi LOWE & NORRIS, 1956
- Sceloporus formosus WIEGMANN, 1834
- Sceloporus graciosus BAIRD & GIRARD, 1852
- Sceloporus grammicus WIEGMANN, 1828
- Sceloporus jalapae GÜNTHER, 1890
- Sceloporus magister HALLOWELL, 1854
- Sceloporus malachiticus COPE, 1864
- Sceloporus mendezdelacruzi JIMÉNEZ-ARCOS, LOC -BARRAGAN, CALZADA-ARCINIEGA & BLAIR, 2025
- Sceloporus merriami STEJNEGER, 1904
- Sceloporus mucronatus COPE, 1885
- Sceloporus occidentalis BAIRD & GIRARD, 1852
- Sceloporus olloporus SMITH, 1937
- Sceloporus omiltemanus GÜNTHER, 1890
- Sceloporus orcutti STEJNEGER, 1893
- Sceloporus parvus SMITH, 1934
- Sceloporus poinsettii BAIRD & GIRARD, 1852
- Sceloporus scitulus SMITH, 1942
- Sceloporus siniferus COPE, 1870
- Sceloporus smaragdinus BOCOURT, 1873
- Sceloporus spinosus WIEGMANN, 1828
- Sceloporus squamosus BOCOURT, 1874
- Sceloporus teapensis GÜNTHER, 1890
- Sceloporus tristichus COPE, 1875
- Sceloporus vandenburgianus COPE, 1896
- Sceloporus variabilis WIEGMANN, 1834
- Sceloporus virgatus SMITH, 1938
- Scincella assata (COPE, 1864)
- Scincella chengduensis JIA, GAO, WU, WANG, LIU, LIU, JIANG, JIANG, REN & LI, 2025
- Scincella cherriei (COPE, 1893)
- Scincella devorator (DAREVSKY, ORLOV & CUC, 2004)
- Scincella incerta (STUART, 1940)
- Scincella lateralis (SAY, 1822)
- Scincella ochracea (BOURRET, 1937)
- Scincella ouboteri PHAM, PHAM, LE, NGOC, ZIEGLER & NGUYEN, 2024
- Scincella stuarti (SMITH, 1941)
- Scincella truongi PHAM, ZIEGLER, PHAM, HOANG, NGO & LE, 2025
- Scincus scincus (LINNAEUS, 1758)
- Scolecophis atrocinctus (SCHLEGEL, 1837)
- Senticolis triaspis (COPE, 1866)
- Sepsina angolensis BOCAGE, 1866
- Sepsina bayonii (BOCAGE, 1866)
- Sepsina caluanda PARRINHA, MARQUES, DE SOUSA, ANDRADE, BAUER & CERÍACO, 2025
- Sepsina copei BOCAGE, 1873
- Sepsophis punctatus BEDDOME, 1870
- Sibon annulatus (GÜNTHER, 1872)
- Sibon anthracops (COPE, 1868)
- Sibon argus (COPE, 1875)
- Sibon dimidiatus (GÜNTHER, 1872)
- Sibon lamari SOLÓRZANO, 2001
- Sibon longifrenis (STEJNEGER, 1909)
- Sibon nebulatus (LINNAEUS, 1758)
- Sibynophis chinensis (GÜNTHER, 1889)
- Sibynophis collaris (GRAY, 1853)
- Sibynophis grahami (BOULENGER, 1904)
- Sibynophis melanocephalus (GRAY, 1834)
- Sibynophis subpunctatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Siderolamprus cyanochloris (COPE, 1894)
- Siderolamprus hylaius (SAVAGE & LIPS, 1993)
- Siderolamprus orobius (SAVAGE & LIPS, 1993)
- Simalia amethistina (SCHNEIDER, 1801)
- Simalia boeleni (BRONGERSMA, 1953)
- Simalia clastolepis (HARVEY, BARKER, AMMERMAN & CHIPPINDALE, 2000)
- Simalia kinghorni (STULL, 1933)
- Simalia nauta (HARVEY, BARKER, AMMERMAN & CHIPPINDALE, 2000)
- Simalia tracyae (HARVEY, BARKER, AMMERMAN & CHIPPINDALE, 2000)
- Siphlophis compressus (DAUDIN, 1803)
- Sistrurus miliarius (LINNAEUS, 1766)
- Smithophis bicolor (BLYTH, 1855)
- Sonora annulata (BAIRD, 1859)
- Sonora cincta (COPE, 1861)
- Sonora fasciata (COPE, 1892)
- Sonora michoacanensis (DUGÈS, 1885)
- Sonora occipitalis (HALLOWELL, 1854)
- Sonora punctatissima (VAN DENBURGH & SLEVIN, 1921)
- Sonora semiannulata BAIRD & GIRARD, 1853
- Sonora straminea (COPE, 1860)
- Spalerosophis arenarius (BOULENGER, 1890)
- Spalerosophis diadema (SCHLEGEL, 1837)
- Sphaerodactylus argus GOSSE, 1850
- Sphaerodactylus glaucus COPE, 1866
- Sphaerodactylus graptolaemus HARRIS & KLUGE, 1984
- Sphaerodactylus homolepis COPE, 1886
- Sphaerodactylus millepunctatus (HALLOWELL, 1861)
- Sphaerodactylus pacificus STEJNEGER, 1903
- Sphenomorphus annamiticus (BOETTGER, 1901)
- Sphenomorphus anomalopus (BOULENGER, 1890)
- Sphenomorphus dussumieri (DUMÉRIL & BIBRON, 1839)
- Sphenomorphus luelaiorum WANG, LIN, TSENG, POYARKOV & LIN, 2025
- Sphenomorphus maculatus (BLYTH, 1853)
- Sphenomorphus phuquocensis GRISMER, NAZAROV, BOBROV & POYARKOV, 2020
- Sphenomorphus preylangensis GRISMER, WOOD, QUAH, ANUAR, POYARKOV, THY, ORLOV, THAMMACHOTI & SEIHA, 2019
- Sphenomorphus puncticentralis ISKANDAR, 1994
- Sphenomorphus sanctus (DUMÉRIL & BIBRON, 1839)
- Sphenomorphus stellatus (BOULENGER, 1900)
- Sphenomorphus striatafaucium QUAH & GRISMER, 2025
- Spilotes pullatus (LINNAEUS, 1758)
- Spilotes sulphureus (WAGLER, 1824)
- Stegonotus australis (GÜNTHER, 1872)
- Stenocercus caducus (COPE, 1863)
- Stenocercus huancabambae CADLE, 1991
- Stenocercus limitaris CADLE, 1998
- Stenocercus puyango TORRES-CARVAJAL, 2005
- Stenocercus sinesaccus TORRES-CARVAJAL, 2005
- Stenolepis ridleyi BOULENGER, 1887
- Stenorrhina degenhardtii (BERTHOLD, 1846)
- Stenorrhina freminvillei (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
- Sternotherus odoratus (LATREILLE, 1802)
- Storeria occipitomaculata (STORER, 1839)
- Storeria storerioides (COPE, 1866)
- Strobilurus torquatus WIEGMANN, 1834
- Strophurus intermedius (OGILBY, 1892)
- Subdoluseps bowringii (GÜNTHER, 1864)
- Suppressascincus pluto (INGRAM, 1977)
- Suta dwyeri (WORRELL, 1956)
- Suta nigriceps (GÜNTHER, 1863)
- Tachymenoides affinis BOULENGER, 1896
- Tachymenoides goodallae LEHR, LUNDBERG, CUSI, SITES, TORRES & AGUILAR-PUNTRIANO, 2025
- Takydromus sexlineatus DAUDIN, 1802
- Takydromus stejnegeri VAN DENBURGH, 1912
- Tantilla alticola (BOULENGER, 1903)
- Tantilla armillata COPE, 1875
- Tantilla capistrata COPE, 1875
- Tantilla cucullata MINTON, 1956
- Tantilla gracilis BAIRD & GIRARD, 1853
- Tantilla hobartsmithi TAYLOR, 1937
- Tantilla melanocephala (LINNAEUS, 1758)
- Tantilla moesta (GÜNTHER, 1863)
- Tantilla nigriceps KENNICOTT, 1860
- Tantilla palamala ESQUEDA, ROJAS-RUNJAIC, CORREA, ORTIZ, GUERRERO, JIMÉNEZ, BAZÓ, MORENO-PÉREZ, AGUILAR & URRA, 2025
- Tantilla planiceps (BLAINVILLE, 1835)
- Tantilla reticulata (COPE, 1860)
- Tantilla rubra COPE, 1875
- Tantilla ruficeps (COPE, 1894)
- Tantilla schistosa (BOCOURT, 1883)
- Tantilla supracincta (PETERS, 1863)
- Tantilla vermiformis (HALLOWELL, 1861)
- Tarentola annularis (GEOFFROY SAINT-HILAIRE, 1827)
- Tarentola fascicularis (DAUDIN, 1802)
- Tarentola gigas (BOCAGE, 1875)
- Tarentola mauritanica (LINNAEUS, 1758)
- Tarentola raziana SCHLEICH, 1984
- Telescopus dhara (FORSKÅL, 1775)
- Tenuidactylus caspius (EICHWALD, 1831)
- Teretrurus rhodogaster (WALL, 1921)
- Terrapene carolina (LINNAEUS, 1758)
- Testudo graeca LINNAEUS, 1758
- Tetracheilostoma bilineatum (SCHLEGEL, 1839)
- Thamnodynastes pallidus (LINNAEUS, 1758)
- Thamnophis atratus KENNICOTT, 1860
- Thamnophis bogerti ROSSMAN & BURBRINK, 2005
- Thamnophis chrysocephalus (COPE, 1885)
- Thamnophis couchii (KENNICOTT, 1859)
- Thamnophis cyrtopsis (KENNICOTT, 1860)
- Thamnophis elegans (BAIRD & GIRARD, 1853)
- Thamnophis fulvus (BOCOURT, 1893)
- Thamnophis gigas FITCH, 1940
- Thamnophis hammondii (KENNICOTT, 1860)
- Thamnophis marcianus (BAIRD & GIRARD, 1853)
- Thamnophis ordinoides (BAIRD & GIRARD, 1852)
- Thamnophis proximus (SAY, 1823)
- Thamnophis saurita (LINNAEUS, 1766)
- Thamnophis sirtalis (LINNAEUS, 1758)
- Thamnophis sumichrasti (COPE, 1866)
- Thecadactylus rapicauda (HOUTTUYN, 1782)
- Tiliqua rugosa (GRAY, 1825)
- Toxicocalamus preussi (STERNFELD, 1913)
- Trachemys gaigeae (HARTWEG, 1939)
- Trachemys grayi (BOCOURT, 1868)
- Trachemys medemi VARGAS-RAMÍREZ, VALLE, CEBALLOS & FRITZ, 2017
- Trachemys scripta (THUNBERG, 1792)
- Trachemys venusta (GRAY, 1856)
- Trachylepis affinis (GRAY, 1839)
- Trachylepis albilabris (HALLOWELL, 1857)
- Trachylepis brevicollis (WIEGMANN, 1837)
- Trachylepis comorensis (PETERS, 1854)
- Trachylepis farooqii BARBOSA, PARRINHA, MARQUES, HARUN, SOUSA-RECODER, SENA, BILA, INEICH, FERNANDES, PASSOS, RODRIGUES & CERÍACO, 2025
- Trachylepis hoeschi (MERTENS, 1954)
- Trachylepis maculilabris (GRAY, 1845)
- Trachylepis perrotetii (DUMÉRIL & BIBRON, 1839)
- Trachylepis polytropis (BOULENGER, 1903)
- Trachylepis socotrana (PETERS, 1882)
- Trachylepis striata (PETERS, 1844)
- Trachylepis suzanae CERÍACO, MARQUES, PARRINHA, TIUTENKO, WEINELL, BUTLER & BAUER, 2024
- Trachylepis wilsoni CERÍACO, MARQUES, PARRINHA, TIUTENKO, WEINELL, BUTLER & BAUER, 2024
- Tretanorhinus nigroluteus COPE, 1861
- Trimeresurus ayeyarwadyensis CHAN, ANUAR, SANKAR, LAW, LAW, SHIVARAM, CHRISTIAN, MULCAHY & MALHOTRA, 2023
- Trimeresurus cardamomensis (MALHOTRA, THORPE, MRINALINI & STUART, 2011)
- Trimeresurus ciliaris IDIIATULLINA, PAWANGKHANANT, TAWAN, WORRANUCH, DECHOCHAI, SUWANNAPOOM, NGUYEN, CHANHOME & POYARKOV, 2023
- Trimeresurus cryptographicus PAWANGKHANANT, IDIIATULLINA, RUANGSUWAN, TOMOYA MATSUKOJI, DAVID, SUWANNAPOOM & POYARKOV, 2025
- Trimeresurus cyanolabris IDIIATULLINA, NGUYEN, BRAGIN, PAWANGKHANANT, LE, VOGEL, DAVID & POYARKOV, 2024
- Trimeresurus erythrochloris PAWANGKHANANT, IDIIATULLINA, SMITS, DUGDALE, PIERCE, SUWANNAPOOM & POYARKOV, 2025
- Trimeresurus honsonensis (GRISMER, NGO & GRISMER, 2008)
- Trimeresurus kanburiensis SMITH, 1943
- Trimeresurus kraensis IDIIATULLINA, PAWANGKHANANT, SUWANNAPOOM, TAWAN, CHANHOME, NGUYEN, DAVID, VOGEL & POYARKOV, 2024
- Trimeresurus kuiburi SUMONTHA, SUNTRARACHUN, PAUWELS, PAWANGKHANANT, CHOMNGAM, IAMWIRIYAKUL & CHANHOME, 2021
- Trimeresurus macrops KRAMER, 1977
- Trimeresurus rubeus (MALHOTRA, THORPE, MRINALINI & STUART, 2011)
- Trimeresurus salazar MIRZA, BHOSALE, PHANSALKAR, SAWANT, GOWANDE & PATEL, 2020
- Trimeresurus stejnegeri SCHMIDT, 1925
- Trimeresurus venustus VOGEL, 1991
- Trimerodytes praemaxillaris (ANGEL, 1929)
- Trimetopon barbouri DUNN, 1930
- Trimetopon gracile (GÜNTHER, 1872)
- Trimetopon pliolepis COPE, 1894
- Trimetopon simile DUNN, 1930
- Trimetopon slevini DUNN, 1940
- Trimetopon viquezi DUNN, 1937
- Trimorphodon lambda COPE, 1886
- Trimorphodon lyrophanes (COPE, 1860)
- Trimorphodon quadruplex SMITH, 1941
- Trimorphodon vilkinsonii COPE, 1886
- Trioceros affinis (RÜPPELL, 1845)
- Trioceros balebicornutus (TILBURY, 1998)
- Trioceros harennae (LARGEN, 1995)
- Trioceros jacksonii (BOULENGER, 1896)
- Trionyx triunguis (FORSKÅL, 1775)
- Tropidodipsas fasciata GÜNTHER, 1858
- Tropidodipsas fischeri (BOULENGER, 1894)
- Tropidolaemus wagleri (BOIE, 1827)
- Tropidophis boulengeri (PERACCA, 1910)
- Tropidophorus kouzhitongi WANG, LI, DEEPAK, PHIMMACHAK, GROSJEAN, VIDAL, FU, WANG, SHEN, STUART & CHE, 2025
- Tropidophorus laotus SMITH, 1923
- Tropidurus cocorobensis RODRIGUES, 1987
- Tropidurus galileii FERREIRA, DIAS, RODRIGUES & CARVALHO, 2025
- Tropidurus helenae (MANZANI & ABE, 1990)
- Tropidurus hispidus (SPIX, 1825)
- Tropidurus itambere RODRIGUES, 1987
- Tropidurus jaguaribanus PASSOS, LIMA & BORGES-NOJOSA, 2011
- Tropidurus lagunablanca CARVALHO, 2016
- Tropidurus madeiramamore CARVALHO, PAREDERO, VILLALOBOS-CHAVES, FERREIRA, RODRIGUES & CURCIO, 2023
- Tropidurus pinima (RODRIGUES, 1984)
- Tropidurus semitaeniatus (SPIX, 1825)
- Tropidurus torquatus (WIED-NEUWIED, 1820)
- Tupinambis quadrilineatus MANZANI & ABE, 1997
- Tupinambis teguixin (LINNAEUS, 1758)
- Tympanocryptis lineata PETERS, 1863
- Tympanocryptis osbornei MELVILLE, CHAPLIN, HUTCHINSON, SUMNER, GRUBER, MACDONALD & SARRE, 2019
- Typhlacontias johnsonii ANDERSSON, 1916
- Typhlacontias punctatissimus BOCAGE, 1873
- Tytthoscincus sanana (KOPSTEIN, 1926)
- Tytthoscincus temmincki (DUMÉRIL & BIBRON, 1839)
- Uma inornata COPE, 1895
- Uma notata BAIRD, 1858
- Uma scoparia COPE, 1894
- Underwoodisaurus milii (BORY DE SAINT-VINCENT, 1823)
- Ungaliophis continentalis MÜLLER, 1880
- Ungaliophis panamensis SCHMIDT, 1933
- Uromastyx occidentalis MATEO, GENIEZ, LOPEZ-JURADO & BONS, 1999
- Uropeltis macrolepis (PETERS, 1862)
- Uropeltis myhendrae (BEDDOME, 1886)
- Urosaurus graciosus HALLOWELL, 1854
- Urosaurus microscutatus (VAN DENBURGH, 1894)
- Urosaurus ornatus (BAIRD & GIRARD, 1852)
- Urotheca decipiens (GÜNTHER, 1893)
- Urotheca fulviceps (COPE, 1886)
- Urotheca guentheri (DUNN, 1938)
- Urotheca myersi SAVAGE & LAHANAS, 1989
- Urotheca pachyura (COPE, 1875)
- Uta stansburiana BAIRD & GIRARD, 1852
- Vanzosaura multiscutata (AMARAL, 1933)
- Varanus acanthurus BOULENGER, 1885
- Varanus albigularis (DAUDIN, 1802)
- Varanus bengalensis (DAUDIN, 1802)
- Varanus gouldii (GRAY, 1838)
- Varanus komodoensis OUWENS, 1912
- Varanus nebulosus (GRAY, 1831)
- Varanus niloticus (LINNAEUS, 1766)
- Varanus salvator (LAURENTI, 1768)
- Vermicella annulata (GRAY, 1841)
- Vipera ammodytes (LINNAEUS, 1758)
- Vipera aspis (LINNAEUS, 1758)
- Vipera berus (LINNAEUS, 1758)
- Vipera ursinii (BONAPARTE, 1835)
- Vipera walser GHIELMI, MENEGON, MARSDEN, LADDAGA & URSENBACHER, 2016
- Wallophis brachyura (GÜNTHER, 1866)
- Walterinnesia aegyptia LATASTE, 1887
- Xantusia gracilis GRISMER & GALVAN, 1986
- Xantusia henshawi STEJNEGER, 1893
- Xantusia riversiana COPE, 1883
- Xantusia sierrae BEZY, 1967
- Xantusia vigilis BAIRD, 1859
- Xantusia wigginsi SAVAGE, 1952
- Xenagama zonura (BOULENGER, 1895)
- Xenocalamus bicolor GÜNTHER, 1868
- Xenochrophis trianguligerus (BOIE, 1827)
- Xenodermus javanicus REINHARDT, 1836
- Xenodon merremii (WAGLER, 1824)
- Xenodon rabdocephalus (WIED-NEUWIED, 1824)
- Xenodon severus (LINNAEUS, 1758)
- Xenopeltis unicolor REINWARDT, 1827
- Xenophidion schaeferi GÜNTHER & MANTHEY, 1995
- Xenopholis scalaris (WUCHERER, 1861)
- Xenosaurus agrenon KING & THOMPSON, 1968
- Xenosaurus phalaroanthereon NIETO-MONTES DE OCA, CAMPBELL & FLORES-VILLELA, 2001
- Xerotyphlops vermicularis (MERREM, 1820)
- Xylophis captaini GOWER & WINKLER, 2007
- Zamenis longissimus (LAURENTI, 1768)