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Species found: 2555

• Ablepharus alaicus ELPATJEVSKY, 1901
• Ablepharus kitaibelii COCTEAU, 1833
• Ablepharus pannonicus (LICHTENSTEIN, 1823)
• Ablepharus rueppellii (GRAY, 1839)
• Abronia cuchumatanus (SOLANO-ZAVALETA, NIETO-MONTES DE OCA & CAMPBELL, 2016)
• Abronia vasconcelosii (BOCOURT, 1872)
• Acanthocercus atricollis (SMITH, 1849)
• Acanthocercus cyanogaster (RÜPPELL, 1835)
• Acanthocercus phillipsii (BOULENGER, 1895)
• Acanthochelys radiolata (MIKAN, 1820)
• Acanthodactylus boskianus (DAUDIN, 1802)
• Acanthodactylus cantoris GÜNTHER, 1864
• Acanthodactylus hardyi HAAS, 1957
• Acanthodactylus schreiberi BOULENGER, 1878
• Acanthodactylus scutellatus (AUDOUIN, 1827)
• Acanthosaura armata (GRAY, 1827)
• Acanthosaura bintangensis WOOD, GRISMER, GRISMER, AHMAD, ONN & BAUER, 2009
• Acanthosaura coronata GÜNTHER, 1861
• Acanthosaura crucigera BOULENGER, 1885
• Acanthosaura titiwangsaensis WOOD, GRISMER, GRISMER, AHMAD, ONN & BAUER, 2009
• Achalinus spinalis PETERS, 1869
• Acrantophis dumerili JAN, 1860
• Acrantophis madagascariensis (DUMÉRIL & BIBRON, 1844)
• Acratosaura mentalis (AMARAL, 1933)
• Acrochordus javanicus HORNSTEDT, 1787
• Actinemys marmorata (BAIRD & GIRARD, 1852)
• Adelphicos quadrivirgatum JAN, 1862
• Adelphostigma occipitalis (JAN, 1863)
• Adolfus africanus (BOULENGER, 1906)
• Adolfus alleni (BARBOUR, 1914)
• Aeluroscalabotes felinus (GÜNTHER, 1864)
• Afronatrix anoscopus (COPE, 1861)
• Agama africana (HALLOWELL, 1844)
• Agama agama (LINNAEUS, 1758)
• Agama boensis MONARD, 1940
• Agama hartmanni PETERS, 1869
• Agama picticauda PETERS, 1877
• Agama planiceps PETERS, 1862
• Agama robecchii BOULENGER, 1891
• Agama rueppelli VAILLANT, 1882
• Agamura persica (DUMÉRIL, 1856)
• Agkistrodon bilineatus GÜNTHER, 1863
• Agkistrodon contortrix (LINNAEUS, 1766)
• Agkistrodon howardgloydi CONANT, 1984
• Agkistrodon laticinctus GLOYD & CONANT, 1934
• Agkistrodon piscivorus (LACÉPÈDE, 1789)
• Agkistrodon russeolus GLOYD, 1972
• Agkistrodon taylori BURGER & ROBERTSON, 1951
• Ahaetulla dispar (GÜNTHER, 1864)
• Ahaetulla fasciolata (FISCHER, 1885)
• Ahaetulla fronticincta (GÜNTHER, 1858)
• Ahaetulla mycterizans (LINNAEUS, 1758)
• Ahaetulla nasuta (LACÉPÈDE, 1789)
• Ahaetulla perroteti (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Ahaetulla prasina (BOIE, 1827)
• Aldabrachelys gigantea (SCHWEIGGER, 1812)
• Algyroides moreoticus BIBRON & BORY, 1833
• Alligator mississippiensis (DAUDIN, 1801)
• Alopoglossus amazonius RUTHVEN, 1924
• Alopoglossus angulatus (LINNAEUS, 1758)
• Alopoglossus atriventris DUELLMAN, 1973
• Alopoglossus brevifrontalis (BOULENGER, 1912)
• Alopoglossus carinicaudatus (COPE, 1876)
• Alopoglossus copii BOULENGER, 1885
• Alsophis rijgersmaei COPE, 1870
• Alsophylax loricatus STRAUCH, 1887
• Alsophylax pipiens (PALLAS, 1827)
• Altiphylax tokobajevi (EREMCHENKO & SZCZERBAK, 1984)
• Amalosia lesueurii (DUMÉRIL & BIBRON, 1836)
• Amalosia robusta (BOULENGER, 1885)
• Amblyrhynchus cristatus BELL, 1825
• Ameiva ameiva (LINNAEUS, 1758)
• Ameivula cipoensis ARIAS, CARVALHO, ZAHER & RODRIGUES, 2014
• Ameivula confusioniba (ARIAS, DE CARVALHO, RODRIGUES & ZAHER, 2011)
• Ameivula nativo (ROCHA, BERGALLO & PECCININI-SEALE, 1997)
• Ameivula nigrigula (ARIAS, DE CARVALHO, RODRIGUES & ZAHER, 2011)
• Ameivula ocellifera (SPIX, 1825)
• Ameivula pyrrhogularis (BASTO DA SILVA & ÁVILA-PIRES, 2013)
• Amerotyphlops brongersmianus (VANZOLINI, 1976)
• Amerotyphlops reticulatus (LINNAEUS, 1758)
• Amerotyphlops tasymicris (THOMAS, 1974)
• Amphibolurus centralis (LOVERIDGE, 1933)
• Amphibolurus muricatus (WHITE, 1790)
• Amphiesma stolatum (LINNAEUS, 1758)
• Amphiglossus astrolabi DUMÉRIL & BIBRON, 1839
• Amphisbaena alba LINNAEUS, 1758
• Amphisbaena bedai (VANZOLINI, 1991)
• Amphisbaena bilabialata (STIMSON, 1972)
• Amphisbaena caiari TEIXEIRA JR, DA VECHIO, NETO & RODRIGUES, 2014
• Amphisbaena camura COPE, 1862
• Amphisbaena carvalhoi GANS, 1965
• Amphisbaena frontalis VANZOLINI, 1991
• Amphisbaena fuliginosa LINNAEUS, 1758
• Amphisbaena kingii (BELL, 1833)
• Amyda cartilaginea (BODDAERT, 1770)
• Amyda ornata (GRAY, 1861)
• Anadia buenaventura BETANCOURT, REYES-PUIG, LOBOS, YÁNEZ-MUÑOZ & TORRES-CARVAJAL, 2018
• Anadia hollandi AMÉZQUITA, DAZA, BARRAGÁN-CONTRERAS, OREJUELA, BARRIENTOS & MAZARIEGOS, 2022
• Ancylodactylus barbouri (PERRET, 1986)
• Ancylodactylus kituiensis MALONZA & BAUER, 2022
• Andinosaura laevis (BOULENGER, 1908)
• Anguis colchica (NORDMANN, 1840)
• Anguis fragilis LINNAEUS, 1758
• Anguis graeca BEDRIAGA, 1881
• Anilios guentheri (PETERS, 1865)
• Anilios insperatus VENCHI, WILSON & BORSBOOM, 2015
• Anilius scytale (LINNAEUS, 1758)
• Anolis ahli BARBOUR, 1925
• Anolis allisoni BARBOUR, 1928
• Anolis allogus BARBOUR & RAMSDEN, 1919
• Anolis alutaceus COPE, 1861
• Anolis angusticeps HALLOWELL, 1856
• Anolis apletophallus KÖHLER & SUNYER, 2008
• Anolis auratus DAUDIN, 1802
• Anolis australis (KÖHLER, ZIMMER, MCGRATH & HEDGES, 2019)
• Anolis bahorucoensis NOBLE & HASSLER, 1933
• Anolis baleatus (COPE, 1864)
• Anolis barbouri (SCHMIDT, 1919)
• Anolis barkeri SCHMIDT, 1939
• Anolis bartschi (COCHRAN, 1928)
• Anolis beckeri BOULENGER, 1881
• Anolis bimaculatus (SPARRMAN, 1784)
• Anolis bonairensis RUTHVEN, 1923
• Anolis brasiliensis VANZOLINI & WILLIAMS, 1970
• Anolis brunneus COPE, 1894
• Anolis callainus KÖHLER & HEDGES, 2020
• Anolis carolinensis VOIGT, 1832
• Anolis chlorodius KÖHLER & HEDGES, 2016
• Anolis christophei WILLIAMS, 1960
• Anolis chrysolepis DUMÉRIL & BIBRON, 1837
• Anolis chrysops LAZELL, 1964
• Anolis conspersus GARMAN, 1887
• Anolis cristatellus DUMÉRIL & BIBRON, 1837
• Anolis cyanopleurus COPE, 1861
• Anolis cybotes COPE, 1863
• Anolis desiradei LAZELL, 1964
• Anolis distichus COPE, 1861
• Anolis doris BARBOUR, 1925
• Anolis equestris MERREM, 1820
• Anolis eugenegrahami SCHWARTZ, 1978
• Anolis evermanni STEJNEGER, 1904
• Anolis extremus GARMAN, 1887
• Anolis forresti BARBOUR, 1923
• Anolis frenatus COPE, 1899
• Anolis fuscoauratus D’ORBIGNY, 1837
• Anolis gadovii BOULENGER, 1905
• Anolis garmani STEJNEGER, 1899
• Anolis ginaelisae (LOTZKAT, HERTZ, BIENENTREU & KÖHLER, 2013)
• Anolis gingivinus COPE, 1864
• Anolis grahami GRAY, 1845
• Anolis griseus GARMAN, 1887
• Anolis gundlachi PETERS, 1877
• Anolis hendersoni COCHRAN, 1923
• Anolis heterodermus DUMÉRIL, 1851
• Anolis homolechis (COPE, 1864)
• Anolis humilis PETERS, 1863
• Anolis ibanezi POE, LATELLA, RYAN & SCHAAD, 2009
• Anolis insignis COPE, 1871
• Anolis kahouannensis LAZELL, 1964
• Anolis kunayalae HULEBAK, POE, IBÁÑEZ & WILLIAMS, 2007
• Anolis laeviventris (WIEGMANN, 1834)
• Anolis latifrons BERTHOLD, 1846
• Anolis leachii DUMÉRIL & BIBRON, 1837
• Anolis lemurinus COPE, 1861
• Anolis limifrons COPE, 1863
• Anolis lineatopus GRAY, 1840
• Anolis liogaster BOULENGER, 1905
• Anolis lividus GARMAN, 1887
• Anolis luciae GARMAN, 1887
• Anolis luteogularis NOBLE & HASSLER, 1935
• Anolis maculiventris BOULENGER, 1898
• Anolis magnaphallus POE & IBÁÑEZ, 2007
• Anolis marmoratus DUMÉRIL & BIBRON, 1837
• Anolis meridionalis BOETTGER, 1885
• Anolis mestrei BARBOUR & RAMSDEN, 1916
• Anolis monticola SHREVE, 1936
• Anolis naufragus (CAMPBELL, HILLIS & LAMAR, 1989)
• Anolis nebulosus (WIEGMANN, 1834)
• Anolis nemonteae AYALA-VARELA, VALVERDE, POE, NARVÁEZ, YÁNEZ-MUÑOZ & TORRES-CARVAJAL, 2021
• Anolis oculatus (COPE, 1879)
• Anolis oligaspis COPE, 1894
• Anolis olssoni SCHMIDT, 1919
• Anolis ortonii COPE, 1868
• Anolis oxylophus COPE, 1875
• Anolis peucephilus KÖHLER, TREJO-PÉREZ, PETERSEN, MENDEZ DE LA CRUZ, 2014
• Anolis poei AYALA-VARELA, TROYA-RODRIGUEZ, TALERO-RODRIGUEZ & TORRES-CARVAJAL, 2014
• Anolis polylepis PETERS, 1874
• Anolis porcatus GRAY, 1840
• Anolis pseudotigrinus AMARAL, 1933
• Anolis pulchellus DUMÉRIL & BIBRON, 1837
• Anolis punctatus DAUDIN, 1802
• Anolis quimbaya MORENO-ARIAS, MÉNDEZ-GALEANO, BELTRÁN & VARGAS-RAMÍREZ, 2023
• Anolis ravifaux SCHWARTZ & HENDERSON, 1982
• Anolis richardii DUMÉRIL & BIBRON, 1837
• Anolis roquet (BONNATERRE, 1789)
• Anolis rubribarbus BARBOUR & RAMSDEN, 1919
• Anolis rupinae WILLIAMS & WEBSTER, 1974
• Anolis sagrei DUMÉRIL & BIBRON, 1837
• Anolis saxatilis MERTENS, 1938
• Anolis schwartzi LAZELL, 1972
• Anolis stevepoei KÖHLER, TREJO-PÉREZ, PETERSEN & MÉNDEZ DE LA CRUZ, 2014
• Anolis stratulus COPE, 1861
• Anolis transversalis DUMÉRIL, 1851
• Anolis tropidolepis BOULENGER, 1885
• Anolis unilobatus KÖHLER & VESELY, 2010
• Anolis ustus COPE, 1864
• Anolis valencienni DUMÉRIL & BIBRON, 1837
• Anolis vermiculatus COCTEAU, 1837
• Anolis viridius KÖHLER & HEDGES, 2016
• Anolis wattsii BOULENGER, 1894
• Anomalopus verreauxii DUMÉRIL, 1851
• Anotosaura collaris AMARAL, 1933
• Anotosaura vanzolinia DIXON, 1974
• Antillotyphlops catapontus (THOMAS, 1966)
• Antillotyphlops monastus (THOMAS, 1966)
• Antillotyphlops naugus (THOMAS, 1966)
• Apalone ferox (SCHNEIDER, 1783)
• Apalone spinifera (LESUEUR, 1827)
• Aparallactus jacksonii (GÜNTHER, 1888)
• Aparallactus lunulatus (PETERS, 1854)
• Aphaniotis fusca (PETERS, 1864)
• Aplopeltura boa (BOIE, 1828)
• Apographon orestes (HARVEY & MUÑOZ, 2004)
• Apostolepis assimilis (REINHARDT, 1861)
• Apostolepis nigrolineata (PETERS, 1869)
• Apostolepis quinquelineata BOULENGER, 1896
• Aprasia parapulchella KLUGE, 1974
• Aprasia striolata LÜTKEN, 1863
• Archaeolacerta bedriagae (CAMERANO, 1885)
• Archelaphe bella (STANLEY, 1917)
• Argyrophis diardii (SCHLEGEL, 1839)
• Aristelliger lar COPE, 1862
• Arizona elegans KENNICOTT, 1859
• Arizona occidentalis BLANCHARD, 1924
• Arthrosaura kockii (LIDTH DE JEUDE, 1904)
• Arthrosaura reticulata (O'SHAUGHNESSY, 1881)
• Aspidelaps scutatus (SMITH, 1849)
• Aspidites melanocephalus (KREFFT, 1864)
• Aspidites ramsayi (MACLEAY, 1882)
• Aspidomorphus schlegelii (GÜNTHER, 1872)
• Aspidoscelis arizonae (VAN DENBURGH, 1896)
• Aspidoscelis costatus (COPE, 1878)
• Aspidoscelis inornatus (BAIRD, 1859)
• Aspidoscelis scalaris (COPE, 1892)
• Aspidoscelis sexlineatus (LINNAEUS, 1766)
• Aspidoscelis sonorae (LOWE & WRIGHT, 1964)
• Aspidoscelis tigris (BAIRD & GIRARD, 1852)
• Aspidoscelis uniparens (WRIGHT & LOWE, 1965)
• Aspidoscelis xanthonotus (DUELLMAN & LOWE, 1953)
• Aspronema dorsivittatum (COPE, 1862)
• Asthenodipsas borneensis QUAH, GRISMER, LIM, ANUAR & CHAN, 2020
• Asthenodipsas ingeri QUAH, LIM & GRISMER, 2021
• Asthenodipsas laevis (BOIE, 1827)
• Asthenodipsas lasgalenensis LOREDO, WOOD, QUAH, ANUAR, GREER, AHMAD & GRISMER, 2013
• Asthenodipsas tropidonotus (LIDTH DE JEUDE, 1923)
• Asthenodipsas vertebralis (BOULENGER, 1900)
• Astrochelys radiata (SHAW, 1802)
• Astrochelys yniphora (VAILLANT, 1885)
• Atheris anisolepis MOCQUARD, 1887
• Atheris broadleyi LAWSON, 1999
• Atheris chlorechis (PEL, 1852)
• Atheris nitschei TORNIER, 1902
• Atheris squamigera HALLOWELL, 1854
• Atlantolacerta andreanskyi (WERNER, 1929)
• Atractaspis aterrima GÜNTHER, 1863
• Atractaspis irregularis (REINHARDT, 1843)
• Atractaspis microlepidota GÜNTHER, 1866
• Atractus arangoi PRADO, 1940
• Atractus atlas PASSOS, SCANFERLA, MELO-SAMPAIO, BRITO & ALMENDARIZ, 2018
• Atractus attenuatus MYERS & SCHARGEL, 2006
• Atractus dapsilis MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
• Atractus dativus PASSOS, MENESES-PELAYO, RAMOS, MARTINS, MACHADO, LOPES, BARRIO-AMORÓS & LYNCH, 2024
• Atractus emmeli (BOETTGER, 1888)
• Atractus indistinctus PRADO, 1940
• Atractus major BOULENGER, 1894
• Atractus mariselae LANCINI, 1969
• Atractus marthae MENESES-PELAYO & PASSOS, 2019
• Atractus pamplonensis AMARAL, 1935
• Atractus pearti PASSOS, MENESES-PELAYO, RAMOS, MARTINS, MACHADO, LOPES, BARRIO-AMORÓS & LYNCH, 2024
• Atractus schach (BOIE, 1827)
• Atractus serranus AMARAL, 1930
• Atractus snethlageae CUNHA & NASCIMENTO, 1983
• Atractus torquatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Atractus trefauti MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
• Atractus trilineatus WAGLER, 1828
• Atractus tritono PASSOS, MENESES-PELAYO, RAMOS, MARTINS, MACHADO, LOPES, BARRIO-AMORÓS & LYNCH, 2024
• Atractus ukupacha MELO-SAMPAIO, PASSOS, PRUDENTE, VENEGAS & TORRES-CARVAJAL, 2021
• Atractus wagleri PRADO, 1945
• Atretium schistosum (DAUDIN, 1803)
• Aurivela longicauda (BELL, 1843)
• Austrelaps superbus (GÜNTHER, 1858)
• Austroablepharus naranjicaudus (GREER, FISHER & HORNER, 2004)
• Azemiops feae BOULENGER, 1888
• Bachia bresslaui (AMARAL, 1935)
• Bachia dorbignyi (DUMÉRIL & BIBRON, 1839)
• Bachia flavescens (BONNATERRE, 1789)
• Bachia guianensis HOOGMOED & DIXON, 1977
• Bachia heteropa (LICHTENSTEIN & MARTENS, 1856)
• Bachia huallagana DIXON, 1973
• Bachia intermedia NOBLE, 1921
• Bachia panoplia THOMAS, 1965
• Bachia peruana (WERNER, 1901)
• Bachia pyburni KIZIRIAN & MCDIARMID, 1998
• Bachia scaea TEIXEIRA, DAL VECHIO, SALES-NUNES, MOLLO-NETO, MOREIRA-LOBO, STORTI, JUNQUEIRA-GAIGA, FREIRE-DIAS & RODRIGUES, 2013
• Bachia scolecoides VANZOLINI, 1961
• Bachia trisanale (COPE, 1868)
• Barisia imbricata (WIEGMANN, 1828)
• Barkudia insularis ANNANDALE, 1917
• Basiliscus basiliscus (LINNAEUS, 1758)
• Basiliscus galeritus DUMÉRIL, 1851
• Basiliscus plumifrons COPE, 1875
• Basiliscus vittatus WIEGMANN, 1828
• Batagur affinis (CANTOR, 1847)
• Batagur baska (GRAY, 1831)
• Batagur borneoensis (SCHLEGEL & MÜLLER, 1844)
• Batagur dhongoka (GRAY, 1834)
• Bauerius ansorgii (BOULENGER, 1907)
• Bipes canaliculatus LATREILLE, 1801
• Bitis arietans (MERREM, 1820)
• Bitis caudalis (SMITH, 1839)
• Bitis gabonica (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Bitis nasicornis (SHAW & NODDER, 1792)
• Blanus aporus WERNER, 1898
• Blanus cinereus (VANDELLI, 1797)
• Blanus oxyurus WAGLER, 1824
• Blanus strauchi (BEDRIAGA, 1884)
• Boa constrictor LINNAEUS, 1758
• Boa imperator DAUDIN, 1803
• Boaedon angolensis (BOCAGE, 1895)
• Boaedon fuliginosus (BOIE, 1827)
• Boaedon lineatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Boaedon mendesi CERÍACO, ARELLANO, JADIN, MARQUES, PARRINHA & HALLERMANN, 2021
• Boaedon perisilvestris TRAPE & MEDIANNIKOV, 2016
• Boaedon subflavus TRAPE & MEDIANNIKOV, 2016
• Boaedon variegatus (BOCAGE, 1867)
• Boiga dendrophila (BOIE, 1827)
• Boiga drapiezii (BOIE, 1827)
• Boiga forsteni (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Boiga gocool (GRAY, 1834)
• Boiga kraepelini STEJNEGER, 1902
• Boiga multifasciata (BLYTH, 1861)
• Boiga multomaculata (BOIE, 1827)
• Boiga nigriceps (GÜNTHER, 1863)
• Boiga trigonata (SCHNEIDER, 1802)
• Boiruna maculata (BOULENGER, 1896)
• Borikenophis portoricensis (REINHARDT & LÜTKEN, 1862)
• Bothriechis guifarroi TOWNSEND, MEDINA-FLORES, WILSON, JADIN & AUSTIN, 2013
• Bothriechis marchi (BARBOUR & LOVERIDGE, 1929)
• Bothriechis nigroadspersus (STEINDACHNER, 1870)
• Bothriechis nigroviridis PETERS, 1859
• Bothriechis nitidus (GÜNTHER, 1859)
• Bothriechis schlegelii (BERTHOLD, 1846)
• Bothriechis torvus (POSADA-ARANGO, 1889)
• Bothrochilus boa (SCHLEGEL, 1837)
• Bothrops alternatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Bothrops asper (GARMAN, 1883)
• Bothrops atrox (LINNAEUS, 1758)
• Bothrops bilineatus (WIED-NEUWIED, 1821)
• Bothrops brazili HOGE, 1954
• Bothrops caribbaeus (GARMAN, 1887)
• Bothrops insularis (AMARAL, 1922)
• Bothrops jararaca (WIED-NEUWIED, 1824)
• Bothrops jararacussu LACERDA, 1884
• Bothrops leucurus WAGLER, 1824
• Bothrops moojeni HOGE, 1966
• Bothrops oligobalius DAL VECHIO, PRATES, GRAZZIOTIN, GRABOSKI & RODRIGUES, 2021
• Bothrops pirajai AMARAL, 1923
• Brachylophus bulabula FISHER, HARLOW, EDWARDS & KEOGH, 2008
• Brachylophus vitiensis GIBBONS, 1981
• Brachymeles gracilis (FISCHER, 1885)
• Brachymeles samad SILER, JONES, DIESMOS, DIESMOS & BROWN, 2012
• Brachyseps frontoparietalis (BOULENGER, 1889)
• Brachyseps punctatus (RAXWORTHY & NUSSBAUM, 1993)
• Bradypodion caffrum (BOETTGER, 1889)
• Bradypodion pumilum (GMELIN, 1789)
• Brasiliscincus heathi (SCHMIDT & INGER, 1951)
• Broadleysaurus major (DUMÉRIL, 1851)
• Bronchocela cristatella (KUHL, 1820)
• Bronchocela jubata DUMÉRIL & BIBRON, 1837
• Brookesia peyrierasi BRYGOO & DOMERGUE, 1974
• Bungarus bungaroides (CANTOR, 1839)
• Bungarus caeruleus (SCHNEIDER, 1801)
• Bungarus candidus (LINNAEUS, 1758)
• Bungarus ceylonicus GÜNTHER, 1864
• Bungarus fasciatus (SCHNEIDER, 1801)
• Bungarus flaviceps REINHARDT, 1843
• Bungarus lividus CANTOR, 1839
• Bungarus multicinctus BLYTH, 1861
• Bungarus niger WALL, 1908
• Bungarus sindanus BOULENGER, 1897
• Bungarus slowinskii KUCH, KIZIRIAN, NGUYEN, LAWSON, DONNELLY & MEBS, 2005
• Bungarus walli WALL, 1907
• Cachryx defensor COPE, 1866
• Caiman crocodilus (LINNAEUS, 1758)
• Caiman latirostris (DAUDIN, 1801)
• Caiman yacare (DAUDIN, 1801)
• Calamaria lumbricoidea BOIE, 1827
• Caledoniscincus austrocaledonicus (BAVAY, 1869)
• Caledoniscincus haplorhinus (GÜNTHER, 1872)
• Calliophis bivirgatus (BOIE, 1827)
• Calliophis intestinalis (LAURENTI, 1768)
• Calliophis nigrescens (GÜNTHER, 1862)
• Calliophis nigrotaeniatus PETERS, 1863
• Calliophis salitan BROWN, SMART, LEVITON & SMITH, 2018
• Callisaurus draconoides BLAINVILLE, 1835
• Callopistes maculatus GRAVENHORST, 1838
• Calloselasma rhodostoma (KUHL, 1824)
• Calotes bachae HARTMANN, GEISSLER, POYARKOV, IHLOW, GALOYAN, RÖDDER & BÖHME, 2013
• Calotes calotes (LINNAEUS, 1758)
• Calotes grandisquamis GÜNTHER, 1875
• Calotes mystaceus DUMÉRIL & BIBRON, 1837
• Calotes nemoricola JERDON, 1853
• Calotes versicolor (DAUDIN, 1802)
• Calotes zhaoermii WANG, SHU, LI, GUO & CHE, 2025
• Calumma capuroni (BRYGOO, BLANC & DOMERGUE, 1972)
• Calumma cucullatum (GRAY, 1831)
• Calumma juliae PRÖTZEL, VENCES, HAWLITSCHEK, SCHERZ, RATSOAVINA & GLAW, 2018
• Calumma radamanus (MERTENS, 1933)
• Calumma ratnasariae PRÖTZEL, SCHERZ, RATSOAVINA, VENCES & GLAW, 2020
• Calumma tjiasmantoi PRÖTZEL, SCHERZ, RATSOAVINA, VENCES & GLAW, 2020
• Calumma uetzi PRÖTZEL, VENCES, HAWLITSCHEK, SCHERZ, RATSOAVINA & GLAW, 2018
• Calyptommatus confusionibus RODRIGUES, ZAHER & CURCIO, 2001
• Calyptommatus leiolepis RODRIGUES, 1991
• Calyptommatus nicterus RODRIGUES, 1991
• Calyptommatus sinebrachiatus RODRIGUES, 1991
• Candoia bibroni (DUMÉRIL & BIBRON, 1844)
• Candoia carinata (SCHNEIDER, 1801)
• Candoia paulsoni (STULL, 1956)
• Caraiba andreae (REINHARDT & LÜTKEN, 1862)
• Caretta caretta (LINNAEUS, 1758)
• Carinascincus metallicus (O'SHAUGHNESSY, 1874)
• Carlia fusca (DUMÉRIL & BIBRON, 1839)
• Carphodactylus laevis GÜNTHER, 1897
• Causus defilippii (JAN, 1863)
• Causus maculatus (HALLOWELL, 1842)
• Causus rasmusseni BROADLEY, 2014
• Causus rhombeatus (LICHTENSTEIN, 1823)
• Celestus crusculus (GARMAN, 1887)
• Celestus striatus GRAY, 1839
• Cemophora coccinea (BLUMENBACH, 1788)
• Centrochelys sulcata (MILLER, 1779)
• Cerastes cerastes (LINNAEUS, 1758)
• Cerastes gasperettii LEVITON & ANDERSON, 1967
• Cerberus australis (GRAY, 1842)
• Cerberus schneiderii (SCHLEGEL, 1837)
• Cercosaura anordosquama STURARO, RODRIGUES, COLLI, KNOWLES & AVILA-PIRES, 2018
• Cercosaura argulus PETERS, 1862
• Cercosaura ocellata WAGLER, 1830
• Cercosaura olivacea (GRAY, 1845)
• Cercosaura oshaughnessyi (BOULENGER, 1885)
• Cercosaura schreibersii WIEGMANN, 1834
• Cerrophidion godmani (GÜNTHER, 1863)
• Cerrophidion petlalcalensis LÓPEZ-LUNA, VOGT & TORRE-LORANCA, 1999
• Chalarodon madagascariensis (PETERS, 1854)
• Chalcides bedriagai (BOSCA, 1880)
• Chalcides bottegi BOULENGER, 1898
• Chalcides chalcides (LINNAEUS, 1758)
• Chalcides ocellatus (FORSKÅL, 1775)
• Chalcides ragazzii BOULENGER, 1890
• Chalcides sepsoides (AUDOUIN, 1829)
• Chamaeleo africanus LAURENTI, 1768
• Chamaeleo chamaeleon (LINNAEUS, 1758)
• Chamaeleo dilepis LEACH, 1819
• Chamaeleo laevigatus GRAY, 1863
• Chamaeleo zeylanicus LAURENTI, 1768
• Chamaelycus fasciatus (GÜNTHER, 1858)
• Chatogekko amazonicus (ANDERSSON, 1918)
• Chelodina kuchlingi CANN, 1997
• Chelodina longicollis (SHAW, 1794)
• Chelodina mccordi RHODIN, 1994
• Chelodina rugosa OGILBY, 1889
• Chelonia mydas (LINNAEUS, 1758)
• Chelonoidis carbonarius (SPIX, 1824)
• Chelonoidis chilensis (GRAY, 1870)
• Chelonoidis denticulatus (LINNAEUS, 1766)
• Chelonoidis niger (QUOY & GAIMARD, 1824)
• Chelus fimbriata (SCHNEIDER, 1783)
• Chelus orinocensis VARGAS-RAMÍREZ, CABALLERO, MORALES-BETANCOURT, LASSO, AMAYA, MARTÎNEZ, SILVA-VIANA, VOGT, PIRES-FARIAS, HRBEK, CAMPBELL & FRITZ, 2020
• Chelydra serpentina (LINNAEUS, 1758)
• Chersina angulata (SCHWEIGGER, 1812)
• Chilabothrus chrysogaster (COPE, 1871)
• Chilorhinophis butleri WERNER, 1907
• Chironius bicarinatus (WIED-NEUWIED, 1820)
• Chironius carinatus (LINNAEUS, 1758)
• Chironius cochranae HOGE & ROMANO, 1969
• Chironius exoletus (LINNAEUS, 1758)
• Chironius flavolineatus (BOETTGER, 1885)
• Chironius fuscus (LINNAEUS, 1758)
• Chironius grandisquamis (PETERS, 1869)
• Chironius monticola ROZE, 1952
• Chironius multiventris SCHMIDT & WALKER, 1943
• Chironius quadricarinatus (BOIE, 1827)
• Chironius scurrula (WAGLER, 1824)
• Chitra chitra NUTAPHAND, 1986
• Chitra indica (GRAY, 1831)
• Chlorosoma viridissimum (LINNAEUS, 1758)
• Christinus marmoratus (GRAY, 1845)
• Chrysemys dorsalis AGASSIZ, 1857
• Chrysemys picta (SCHNEIDER, 1783)
• Chrysopelea ornata (SHAW, 1802)
• Clelia clelia (DAUDIN, 1803)
• Clelia plumbea (WIED-NEUWIED, 1820)
• Clemmys guttata (SCHNEIDER, 1792)
• Cnemaspis ajijae SAYYED, PYRON & DILEEPKUMAR, 2018
• Cnemaspis amboliensis SAYYED, PYRON & DILEEPKUMAR, 2018
• Cnemaspis anslemi KARUNARATHNA & UKUWELA, 2019
• Cnemaspis argus DRING, 1979
• Cnemaspis fantastica AGARWAL, THACKERAY & KHANDEKAR, 2022
• Cnemaspis flavolineata (NICHOLLS, 1949)
• Cnemaspis gracilis (BEDDOME, 1870)
• Cnemaspis harimau CHAN, GRISMER, ANUAR, QUAH, MUIN, SAVAGE, GRISMER, AHMAD, REMIGIO & GREER, 2010
• Cnemaspis indica GRAY, 1846
• Cnemaspis kalakadensis KHANDEKAR, THACKERAY & AGARWAL, 2022
• Cnemaspis kendallii (GRAY, 1845)
• Cnemaspis leucura KURITA, NISHIKAWA, MATSUI & HIKIDA, 2017
• Cnemaspis limayei SAYYED, PYRON & DILEEPKUMAR, 2018
• Cnemaspis mahabali SAYYED, PYRON & DILEEPKUMAR, 2018
• Cnemaspis monachorum GRISMER, AHMAD, CHAN, BELABUT, MUIN, WOOD & GRISMER, 2009
• Cnemaspis muria RIYANTO, MUNIR, MARTAMENGGALA, FITRIANA & HAMIDY, 2019
• Cnemaspis perhentianensis GRISMER & CHAN, 2008
• Cnemaspis pseudomcguirei GRISMER, AHMAD, CHAN, BELABUT, MUIN, WOOD & GRISMER, 2009
• Cnemaspis sakleshpurensis KHANDEKAR, THACKERAY & AGARWAL, 2022
• Cnemaspis tanintharyi LEE, MILLER, ZUG & MULCAHY, 2019
• Cnemidophorus gaigei RUTHVEN, 1915
• Cnemidophorus lemniscatus (LINNAEUS, 1758)
• Cnemidophorus ruatanus BARBOUR, 1928
• Coelognathus flavolineatus (SCHLEGEL, 1837)
• Coelognathus helena (DAUDIN, 1803)
• Coelognathus radiatus (BOIE, 1827)
• Coleodactylus meridionalis BOULENGER, 1888
• Colobosaura modesta (REINHARDT & LÜTKEN, 1862)
• Colobosauroides carvalhoi SOARES & CARAMASCHI, 1998
• Colobosauroides cearensis CUNHA, LIMA-VERDE & LIMA, 1991
• Coluber constrictor LINNAEUS, 1758
• Comptus stenurus (COPE, 1863)
• Concinnia tenuis (GRAY, 1831)
• Coniophanes fissidens (GÜNTHER, 1858)
• Coniophanes imperialis (BAIRD & GIRARD, 1859)
• Coniophanes lateritius COPE, 1862
• Coniophanes piceivittis COPE, 1870
• Coniophanes taeniata (PETERS, 1870)
• Conophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Conophis vittatus PETERS, 1860
• Conopsis biserialis (TAYLOR & SMITH, 1942)
• Conopsis nasus (GÜNTHER, 1858)
• Contomastix lacertoides (DUMÉRIL & BIBRON, 1839)
• Copeoglossum nigropunctatum (SPIX, 1825)
• Cophosaurus texanus TROSCHEL, 1852
• Corallus annulatus (COPE, 1875)
• Corallus batesii (GRAY, 1860)
• Corallus blombergi (RENDAHL & VESTERGREN, 1940)
• Corallus caninus (LINNAEUS, 1758)
• Corallus cookii GRAY, 1842
• Corallus cropanii (HOGE, 1953)
• Corallus grenadensis (BARBOUR, 1914)
• Corallus hortulana (LINNAEUS, 1758)
• Corallus ruschenbergerii (COPE, 1875)
• Cordylus rivae (BOULENGER, 1896)
• Coronella austriaca LAURENTI, 1768
• Coronella girondica (DAUDIN, 1803)
• Correlophus ciliatus GUICHENOT, 1866
• Corucia zebrata GRAY, 1855
• Corytophanes cristatus (MERREM, 1820)
• Corytophanes hernandesii (WIEGMANN, 1831)
• Craspedocephalus borneensis (PETERS, 1872)
• Craspedocephalus gramineus (SHAW, 1802)
• Craspedocephalus macrolepis (BEDDOME, 1862)
• Craspedocephalus puniceus (BOIE, 1827)
• Craspedocephalus strigatus (GRAY, 1842)
• Craspedocephalus trigonocephalus (DONNDORFF, 1798)
• Crenadactylus ocellatus (GRAY, 1845)
• Cricosaura typica GUNDLACH, 1863
• Crocodilurus amazonicus SPIX, 1825
• Crocodylus acutus CUVIER, 1807
• Crocodylus intermedius GRAVES, 1819
• Crocodylus mindorensis SCHMIDT, 1935
• Crocodylus moreletii DUMÉRIL & BIBRON, 1851
• Crocodylus niloticus LAURENTI, 1768
• Crocodylus palustris LESSON, 1831
• Crocodylus porosus SCHNEIDER, 1801
• Crossobamon eversmanni (WIEGMANN, 1834)
• Crotalus adamanteus PALISOT DE BEAUVOIS, 1799
• Crotalus aquilus KLAUBER, 1952
• Crotalus armstrongi CAMPBELL, 1979
• Crotalus atrox BAIRD & GIRARD, 1853
• Crotalus basiliscus (COPE, 1864)
• Crotalus brunneus HARRIS & SIMMONS, 1978
• Crotalus cerastes HALLOWELL, 1854
• Crotalus cerberus (COUES, 1875)
• Crotalus concolor WOODBURY, 1929
• Crotalus culminatus KLAUBER, 1952
• Crotalus durissus LINNAEUS, 1758
• Crotalus enyo (COPE, 1861)
• Crotalus estebanensis KLAUBER, 1949
• Crotalus exiguus CAMPBELL & ARMSTRONG, 1979
• Crotalus helleri MEEK, 1905
• Crotalus horridus LINNAEUS, 1758
• Crotalus lepidus (KENNICOTT, 1861)
• Crotalus lorenzoensis RADCLIFF & MASLIN, 1975
• Crotalus lutosus KLAUBER, 1930
• Crotalus mitchellii (COPE, 1861)
• Crotalus molossus BAIRD & GIRARD, 1853
• Crotalus oreganus HOLBROOK, 1840
• Crotalus polystictus (COPE, 1865)
• Crotalus pricei VAN DENBURGH, 1895
• Crotalus ravus COPE, 1865
• Crotalus ruber COPE, 1892
• Crotalus scutulatus (KENNICOTT, 1861)
• Crotalus simus LATREILLE, 1801
• Crotalus stejnegeri DUNN, 1919
• Crotalus tancitarensis ALVARADO-DÍAZ & CAMPBELL, 2004
• Crotalus tigris KENNICOTT, 1859
• Crotalus transversus TAYLOR, 1944
• Crotalus triseriatus (WAGLER, 1830)
• Crotalus viridis (RAFINESQUE, 1818)
• Crotalus willardi MEEK, 1905
• Crotaphopeltis degeni (BOULENGER, 1906)
• Crotaphopeltis hotamboeia (LAURENTI, 1768)
• Crotaphytus collaris (SAY, 1822)
• Crotaphytus reticulatus BAIRD, 1858
• Crotaphytus vestigium SMITH & TANNER, 1972
• Cryophis hallbergi BOGERT & DUELLMAN, 1963
• Cryptoblepharus australis (STERNFELD, 1918)
• Cryptoblepharus boutonii (DES JARDIN, 1831)
• Cryptoblepharus egeriae (BOULENGER, 1889)
• Cryptoblepharus gloriosus (STEJNEGER, 1893)
• Cryptoblepharus juno HORNER, 2007
• Cryptoblepharus keiensis (ROUX, 1910)
• Cryptoblepharus poecilopleurus (WIEGMANN, 1836)
• Cryptoblepharus pulcher (STERNFELD, 1918)
• Ctenophorus clayi (STORR, 1967)
• Ctenophorus decresii (DUMÉRIL & BIBRON, 1837)
• Ctenophorus dualis (STORR, 1965)
• Ctenophorus maculatus (GRAY, 1831)
• Ctenosaura acanthura (SHAW, 1802)
• Ctenosaura hemilopha (COPE, 1863)
• Ctenosaura nolascensis SMITH, 1972
• Ctenosaura pectinata (WIEGMANN, 1834)
• Ctenosaura similis (GRAY, 1831)
• Ctenotus brooksi (LOVERIDGE, 1933)
• Ctenotus orientalis STORR, 1971
• Ctenotus taeniolatus (WHITE, 1790)
• Cuora amboinensis (DAUDIN, 1801)
• Cuora couro (SCHWEIGGER, 1812)
• Cuora cyclornata BLANCK, MCCORD & LE MINH, 2006
• Cuora galbinifrons BOURRET, 1939
• Cuora lineata (MCCORD & PHILIPPEN, 1998)
• Cuora pani SONG, 1984
• Cuora trifasciata (BELL, 1825)
• Cuora yunnanensis (BOULENGER, 1906)
• Cyclemys atripons IVERSON & MCCORD, 1997
• Cyclemys dentata (GRAY, 1831)
• Cyclemys enigmatica FRITZ, GUICKING, AUER, SOMMER, WINK & HUNDSDÖRFER, 2008
• Cyclemys fusca FRITZ, GUICKING, AUER, SOMMER, WINK & HUNDSDÖRFER, 2008
• Cyclemys gemeli FRITZ, GUICKING, AUER, SOMMER, WINK & HUNDSDÖRFER, 2008
• Cyclemys oldhamii GRAY, 1863
• Cycloderma frenatum PETERS, 1854
• Cyclura collei GRAY, 1845
• Cyclura cornuta (BONNATERRE, 1789)
• Cyclura cychlura (CUVIER, 1829)
• Cyclura nubila (GRAY, 1831)
• Cyclura stejnegeri BARBOUR & NOBLE, 1916
• Cylindrophis ruffus (LAURENTI, 1768)
• Cynisca haugi (MOCQUARD, 1904)
• Cyrtodactylus aaronbaueri PURKAYASTHA, LALREMSANGA, BOHRA, BIAKZUALA, DECEMSON, MUANSANGA, VABEIRYUREILAI & RATHEE, 2021
• Cyrtodactylus arnei DO, NGO, NGUYEN, LE, ZIEGLER, DO, & PHAM, 2025
• Cyrtodactylus bapme KAMEI & MAHONY, 2021
• Cyrtodactylus batik ISKANDAR, RACHMANSAH & UMILAELA, 2011
• Cyrtodactylus bugiamapensis NAZAROV, POYARKOV, ORLOV, PHUNG, NGUYEN, HOANG & ZIEGLER, 2012
• Cyrtodactylus caovansungi ORLOV, QUANG TRUONG, NAZAROV, ANANJEVA & NGOC SANG, 2007
• Cyrtodactylus cayuensis LI, 2007
• Cyrtodactylus celatus KATHRINER, BAUER, O’SHEA, SANCHEZ & KAISER, 2014
• Cyrtodactylus consobrinus (PETERS, 1871)
• Cyrtodactylus dati NGO VAN TRI, 2013
• Cyrtodactylus denticulatus CHOMDEJ, SUWANNAPOOM, PRADIT, PHUPANBAI & GRISMER, 2023
• Cyrtodactylus elok DRING, 1979
• Cyrtodactylus gansi BAUER, 2003
• Cyrtodactylus gialaiensis LUU, DUNG, NGUYEN, LE & ZIEGLER, 2017
• Cyrtodactylus gordongekkoi (DAS, 1994)
• Cyrtodactylus hinnamnoensis LUU, BONKOWSKI, NGUYEN, LE, SCHNEIDER, NGO & ZIEGLER, 2016
• Cyrtodactylus hitchi RIYANTO, KURNIATI & ENGILIS, 2016
• Cyrtodactylus ingeri HIKIDA, 1990
• Cyrtodactylus intermedius (SMITH, 1917)
• Cyrtodactylus lomyenensis NGO VAN TRI & PAUWELS, 2010
• Cyrtodactylus malayanus (DE ROOIJ, 1915)
• Cyrtodactylus marmoratus GRAY, 1831
• Cyrtodactylus nebulosus (BEDDOME, 1870)
• Cyrtodactylus phuocbinhensis NGUYEN, LE, TRAN, ORLOV, LATHROP, MACCULLOCH, LE, JIN, NGUYEN, NGUYEN, HOANG, CHE, MURPHY & ZHANG, 2013
• Cyrtodactylus pubisulcus INGER, 1958
• Cyrtodactylus quadrivirgatus TAYLOR, 1962
• Cyrtodactylus rishivalleyensis AGARWAL, 2016
• Cyrtodactylus rukhadeva GRISMER, SUWANNAPOOM, PAWANGKHANANT, NAZAROV, YUSHCHENKO, NAIDUANGCHAN, LE, LUU & POYARKOV, 2021
• Cyrtodactylus russelli BAUER, 2003
• Cyrtodactylus septimontium MURDOCH, GRISMER, WOOD, NEANG, POYARKOV, TRI, NAZAROV, AOWPHOL, PAUWELS, NGUYEN & GRISMER, 2019
• Cyrtodactylus sommerladi LUU, BONKOWSKI, NGUYEN, LE, SCHNEIDER, NGO & ZIEGLER, 2016
• Cyrtodactylus speciosus (BEDDOME, 1870)
• Cyrtodactylus stresemanni RÖSLER & GLAW, 2008
• Cyrtodactylus tautbatorum WELTON, SILER, DIESMOS & BROWN, 2009
• Cyrtodactylus tayhoaensis DO, DO, NGO, ZIEGLER, NGO, NGUYEN & PHAM, 2023
• Cyrtodactylus yoshii HIKIDA, 1990
• Cyrtopodion kachhense (STOLICZKA, 1872)
• Cyrtopodion scabrum (HEYDEN, 1827)
• Cyrtopodion watsoni (MURRAY, 1892)
• Daboia mauritanica (GRAY, 1849)
• Daboia palaestinae (WERNER, 1938)
• Daboia russelii (SHAW & NODDER, 1797)
• Daboia siamensis (SMITH, 1917)
• Darevskia armeniaca (MÉHELY, 1909)
• Darevskia derjugini (NIKOLSKY, 1898)
• Darevskia kamii AHMADZADEH, FLECKS, CARRETERO, MOZAFFARI, BÖHME, HARRIS, FREITAS & RÖDDER, 2013
• Darevskia nairensis (DAREVSKY, 1967)
• Darevskia praticola (EVERSMANN, 1834)
• Darevskia raddei (BOETTGER, 1892)
• Darevskia steineri (EISELT, 1995)
• Dasia grisea (GRAY, 1845)
• Dasia haliana (NEVILL, 1887)
• Dasia nicobarensis BISWAS & SANYAL, 1977
• Dasia olivacea GRAY, 1839
• Dasia subcaerulea (BOULENGER, 1891)
• Dasypeltis atra STERNFELD, 1912
• Dasypeltis fasciata SMITH, 1849
• Dasypeltis scabra (LINNAEUS, 1758)
• Deinagkistrodon acutus (GÜNTHER, 1888)
• Deirochelys reticularia (LATREILLE, 1801)
• Delma inornata KLUGE, 1974
• Delma molleri LÜTKEN, 1863
• Delma plebeia DE VIS, 1888
• Delma tincta DE VIS, 1888
• Demansia angusticeps (MACLEAY, 1888)
• Demansia olivacea (GRAY, 1842)
• Demansia psammophis (SCHLEGEL, 1837)
• Demansia reticulata (GRAY, 1842)
• Dendragama boulengeri DORIA, 1888
• Dendrelaphis ashoki VOGEL & VAN ROOIJEN, 2011
• Dendrelaphis calligaster (GÜNTHER, 1867)
• Dendrelaphis caudolineatus (GRAY, 1834)
• Dendrelaphis effrenis (WERNER, 1909)
• Dendrelaphis flavescens GAULKE, 1994
• Dendrelaphis keiensis (MERTENS, 1926)
• Dendrelaphis levitoni VAN ROOIJEN & VOGEL, 2012
• Dendrelaphis luzonensis LEVITON, 1961
• Dendrelaphis modestus BOULENGER, 1894
• Dendrelaphis ngansonensis (BOURRET, 1935)
• Dendrelaphis philippinensis (GÜNTHER, 1879)
• Dendrelaphis pictus (GMELIN, 1789)
• Dendrelaphis tristis (DAUDIN, 1803)
• Dendroaspis angusticeps (SMITH, 1849)
• Dendroaspis jamesoni (TRAILL, 1843)
• Dendroaspis polylepis GÜNTHER, 1864
• Dendroaspis viridis (HALLOWELL, 1844)
• Dendrophidion dendrophis (SCHLEGEL, 1837)
• Dendrophidion nuchale (PETERS, 1863)
• Dendrophidion percarinatum (COPE, 1893)
• Dendrosauridion yanesha LEHR, MORAVEC, LUNDBERG, KÖHLER, CATENAZZI & ŠMÍD, 2019
• Dermochelys coriacea (VANDELLI, 1761)
• Diadophis punctatus (LINNAEUS, 1766)
• Dibernardia affinis (GÜNTHER, 1858)
• Dicrodon heterolepis (TSCHUDI, 1845)
• Dicrodon holmbergi SCHMIDT, 1957
• Dierogekko koniambo BAUER, JACKMAN, SADLIER & WHITAKER, 2006
• Diplodactylus bilybara COUPER, PEPPER & OLIVER, 2014
• Diplodactylus furcosus PETERS, 1863
• Diplodactylus vittatus GRAY, 1832
• Diploderma polygonatum HALLOWELL, 1861
• Diploderma swinhonis (GÜNTHER, 1864)
• Diploglossus fasciatus (GRAY, 1831)
• Diplolaemus bibronii BELL, 1843
• Diplolaemus darwinii BELL, 1843
• Diplolaemus leopardinus (WERNER, 1898)
• Diplolaemus sexcinctus CEI, SCOLARO & VIDELA, 2003
• Diporiphora bilineata GRAY, 1842
• Diporiphora nobbi (WITTEN, 1972)
• Diporiphora vescus DOUGHTY, KEALLEY & MELVILLE, 2012
• Dipsadoboa aulica (GÜNTHER, 1864)
• Dipsadoboa riparia TRAPE, MEDIANNIKOV & BALDÉ, 2023
• Dipsadoboa underwoodi RASMUSSEN, 1993
• Dipsadoboa unicolor GÜNTHER, 1858
• Dipsadoboa viridis (PETERS, 1869)
• Dipsadoboa weileri (LINDHOLM, 1905)
• Dipsas andiana (BOULENGER, 1896)
• Dipsas catesbyi (SENTZEN, 1796)
• Dipsas copei (GÜNTHER, 1872)
• Dipsas elegans (BOULENGER, 1896)
• Dipsas gaigeae (OLIVER, 1937)
• Dipsas indica LAURENTI, 1768
• Dipsas klebbai ARTEAGA, SALAZAR-VALENZUELA, MEBERT, PEÑAFIEL, AGUIAR, SÁNCHEZ-NIVICELA, PYRON, COLSTON, CISNEROS-HEREDIA, YÁNEZ-MUÑOZ, VENEGAS, GUAYASAMIN & TORRES-CARVAJAL, 2018
• Dipsas mikanii SCHLEGEL, 1837
• Dipsas neuwiedi (IHERING, 1911)
• Dipsas sazimai FERNANDES, MARQUES & ARGÔLO, 2010
• Dipsas vagrans (DUNN, 1923)
• Dipsas vagus (JAN, 1863)
• Dipsas variegata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dispholidus typus (SMITH, 1828)
• Dogania subplana (GEOFFROY SAINT-HILAIRE, 1809)
• Dolichophis caspius (GMELIN, 1789)
• Dolichophis jugularis (LINNAEUS, 1758)
• Dracaena guianensis DAUDIN, 1801
• Draco beccarii PETERS & DORIA, 1878
• Draco bimaculatus GÜNTHER, 1864
• Draco cornutus GÜNTHER, 1864
• Draco cristatellus GÜNTHER, 1872
• Draco dussumieri DUMÉRIL & BIBRON, 1837
• Draco fimbriatus KUHL, 1820
• Draco formosus BOULENGER, 1900
• Draco haematopogon GRAY, 1831
• Draco hennigi MUSTERS, 1983
• Draco lineatus DAUDIN, 1802
• Draco maximus BOULENGER, 1893
• Draco melanopogon BOULENGER, 1887
• Draco obscurus BOULENGER, 1887
• Draco punctatus BOULENGER, 1900
• Draco quinquefasciatus HARDWICKE & GRAY, 1827
• Draco sumatranus SCHLEGEL, 1844
• Draco taeniopterus GÜNTHER, 1861
• Draco volans LINNAEUS, 1758
• Dravidogecko meghamalaiensis CHAITANYA, GIRI, DEEPAK, DATTA-ROY, MURTHY & KARANTH, 2019
• Dravidoseps tamilnaduensis AGARWAL, THACKERAY & KHANDEKAR, 2024
• Drepanoides anomalus (JAN, 1863)
• Dromicodryas bernieri (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Dryadosaura nordestina RODRIGUES, XAVIER FREIRE, MACHADO-PELLEGRINO & SITES, 2005
• Drymarchon corais (BOIE, 1827)
• Drymarchon couperi (HOLBROOK, 1842)
• Drymarchon margaritae ROZE, 1959
• Drymarchon melanurus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Drymobius chloroticus (COPE, 1886)
• Drymobius margaritiferus (SCHLEGEL, 1837)
• Drymoluber dichrous (PETERS, 1863)
• Dryophylax chimanta (ROZE, 1958)
• Dryophylax duida (MYERS & DONNELLY, 1996)
• Dryophylax nattereri (MIKAN, 1820)
• Dryophylax phoenix (FRANCO, TREVINE, MONTINGELLI & ZAHER, 2017)
• Dryophylax yavi (MYERS & DONNELLY, 1996)
• Duberria atriventris (STERNFELD, 1912)
• Duberria lutrix (LINNAEUS, 1758)
• Ebenavia boettgeri BOULENGER, 1885
• Ebenavia safari HAWLITSCHEK, SCHERZ, RUTHENSTEINER, CROTTINI & GLAW, 2018
• Ebenavia tuelinae HAWLITSCHEK, SCHERZ, RUTHENSTEINER, CROTTINI & GLAW, 2018
• Echinanthera cyanopleura (COPE, 1885)
• Echinosaura centralis DUNN, 1944
• Echinosaura horrida BOULENGER, 1890
• Echinosaura keyi (FRITTS & SMITH, 1969)
• Echis carinatus (SCHNEIDER, 1801)
• Echis leucogaster ROMAN, 1972
• Echis pyramidum (GEOFFROY SAINT-HILAIRE, 1827)
• Ecpleopus gaudichaudii DUMÉRIL & BIBRON, 1839
• Egernia cunninghami (GRAY, 1832)
• Egernia striolata (PETERS, 1870)
• Eirenis persicus (ANDERSON, 1872)
• Elaphe anomala (BOULENGER, 1916)
• Elaphe bimaculata SCHMIDT, 1925
• Elaphe climacophora (BOIE, 1826)
• Elaphe dione (PALLAS, 1773)
• Elaphe quatuorlineata (LACÉPÈDE, 1789)
• Elaphe sauromates (PALLAS, 1811)
• Elaphe schrenckii STRAUCH, 1873
• Elaphe taeniura COPE, 1861
• Elapomorphus quinquelineatus (RADDI, 1820)
• Elapomorphus wuchereri GÜNTHER, 1861
• Elapsoidea trapei MANÉ, 1999
• Elgaria kingii GRAY, 1838
• Elseya albagula THOMSON, GEORGES & LIMPUS, 2006
• Elseya irwini CANN, 1997
• Elseya novaeguineae (MEYER, 1874)
• Elseya rhodini THOMSON, AMEPOU, ANAMIATO & GEORGES, 2015
• Elseya schultzei (VOGT, 1911)
• Emoia aneityumensis MEDWAY, 1974
• Emoia atrocostata (LESSON, 1829)
• Emoia cyanogaster (LESSON, 1829)
• Emoia cyanura (LESSON, 1829)
• Emoia erronan BROWN, 1991
• Emoia impar (WERNER, 1898)
• Emoia nativitatis (BOULENGER, 1887)
• Emoia nigra (JACQUINOT & GUICHENOT, 1853)
• Emoia nigromarginata (ROUX, 1913)
• Emoia samoensis (DUMÉRIL, 1851)
• Emoia sanfordi SCHMIDT & BURT, 1930
• Emoia submetallica (MACLEAY, 1877)
• Emoia trossula BROWN & GIBBONS, 1986
• Emydoidea blandingii (HOLBROOK, 1838)
• Emydura macquarii (GRAY, 1830)
• Emys orbicularis (LINNAEUS, 1758)
• Emys trinacris FRITZ, FATTIZZO, GUICKING, TRIPEPI, PENNISI, LENK, JOGER & WINK, 2005
• Enhydris enhydris (SCHNEIDER, 1799)
• Enyalioides anisolepis TORRES-CARVAJAL, VENEGAS & DE QUEIROZ, 2015
• Enyalius bibronii BOULENGER, 1885
• Enyalius bilineatus (DUMÉRIL & BIBRON, 1837)
• Enyalius boulengeri ETHERIDGE, 1969
• Enyalius catenatus (WIED-NEUWIED, 1821)
• Enyalius erythroceneus RODRIGUES, DE FREITAS, SANTOS SILVA & VIÑA BERTOLOTTO, 2006
• Enyalius perditus JACKSON, 1978
• Enyalius pictus (SCHINZ, 1822)
• Epicrates alvarezi ABALOS, BAEZ & NADER, 1964
• Epicrates assisi MACHADO, 1944
• Epicrates cenchria (LINNAEUS, 1758)
• Epicrates crassus COPE, 1862
• Epictia albifrons (WAGLER, 1824)
• Epictia munoai (OREJAS-MIRANDA, 1961)
• Epictia signata (JAN, 1861)
• Epictia tenella (KLAUBER, 1939)
• Eremias arguta (PALLAS, 1773)
• Eremias grammica (LICHTENSTEIN, 1823)
• Eremias nigrocellata NIKOLSKY, 1896
• Eremias nikolskii BEDRIAGA, 1905
• Eremias scripta (STRAUCH, 1867)
• Eremias szczerbaki EREMCHENKO, PANFILOV & ZARINENKO, 1992
• Eremias velox (PALLAS, 1771)
• Eremias yarkandensis BLANFORD, 1875
• Eremiascincus fasciolatus (GÜNTHER, 1867)
• Eremiascincus richardsonii (GRAY, 1845)
• Eretmochelys imbricata (LINNAEUS, 1766)
• Eroticoscincus graciloides (LÖNNBERG & ANDERSSON, 1913)
• Erpeton tentaculatum LACÉPÈDE, 1800
• Erythrolamprus aesculapii (LINNAEUS, 1758)
• Erythrolamprus almadensis (WAGLER, 1824)
• Erythrolamprus cobella (LINNAEUS, 1758)
• Erythrolamprus jaegeri (GÜNTHER, 1858)
• Erythrolamprus macrosomus (AMARAL, 1936)
• Erythrolamprus melanotus (SHAW, 1802)
• Erythrolamprus miliaris (LINNAEUS, 1758)
• Erythrolamprus mimus (COPE, 1868)
• Erythrolamprus ocellatus PETERS, 1869
• 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)
• Eryx colubrinus (LINNAEUS, 1758)
• Eryx conicus (SCHNEIDER, 1801)
• Eryx elegans (GRAY, 1849)
• Eryx jaculus (LINNAEUS, 1758)
• Eryx johnii (RUSSELL, 1801)
• Eryx miliaris (PALLAS, 1773)
• Eryx vittatus CHERNOV, 1959
• Eublepharis hardwickii GRAY, 1827
• Eublepharis macularius (BLYTH, 1854)
• Eugongylus albofasciolatus (GÜNTHER, 1872)
• Eugongylus rufescens (SHAW, 1802)
• Eulamprus quoyii (DUMÉRIL & BIBRON, 1839)
• Eumeces schneiderii (DAUDIN, 1802)
• Eumeces zarudnyi NIKOLSKY, 1900
• Eunectes murinus (LINNAEUS, 1758)
• Eunectes notaeus COPE, 1862
• Euprepiophis mandarinus (CANTOR, 1842)
• Eurolophosaurus amathites (RODRIGUES, 1984)
• Eurolophosaurus divaricatus (RODRIGUES, 1986)
• Eurydactylodes agricolae HENKEL & BÖHME, 2001
• Eurydactylodes vieillardi (BAVAY, 1869)
• Eutropis beddomei (JERDON, 1870)
• Eutropis bibronii (GRAY, 1839)
• Eutropis caraga BARLEY, DIESMOS, SILER, MARTINEZ & BROWN, 2020
• Eutropis carinata (SCHNEIDER, 1801)
• Eutropis clivicola (INGER, SHAFFER, KOSHY & BAKDE, 1984)
• Eutropis cuprea BARLEY, DIESMOS, SILER, MARTINEZ & BROWN, 2020
• Eutropis gubataas BARLEY, DIESMOS, SILER, MARTINEZ & BROWN, 2020
• Eutropis macularia (BLYTH, 1853)
• Eutropis multifasciata (KUHL, 1820)
• Eutropis rudis (BOULENGER, 1887)
• Eutropis rugifera (STOLICZKA, 1870)
• Eutropis sahulinghangganan BARLEY, DIESMOS, SILER, MARTINEZ & BROWN, 2020
• Eutropis trivittata (HARDWICKE & GRAY, 1827)
• Farancia abacura (HOLBROOK, 1836)
• Farancia erytrogramma (PALISOT DE BEAUVOIS, 1802)
• Feylinia currori GRAY, 1845
• Ficimia streckeri TAYLOR, 1931
• Flexiseps johannae (GÜNTHER, 1880)
• Fordonia leucobalia (SCHLEGEL, 1837)
• Fowlea flavipunctata (HALLOWELL, 1860)
• Fowlea melanzosta (GRAVENHORST, 1807)
• Fowlea piscator (SCHNEIDER, 1799)
• Fowlea yunnanensis (ANDERSON, 1879)
• Furcifer angeli (BRYGOO & DOMERGUE, 1968)
• Furcifer major (BRYGOO, 1971)
• Furcifer pardalis (CUVIER, 1829)
• Furcifer rhinoceratus (GRAY, 1845)
• Furcifer verrucosus (CUVIER, 1829)
• Furina diadema (SCHLEGEL, 1837)
• Gallotia intermedia BARBADILLO, LACOBA, PÉREZ-MELLADO, SANCHO & LÓPEZ-JURADO, 1999
• Gallotia simonyi (STEINDACHNER, 1889)
• Gambelia copeii (YARROW, 1882)
• Garthia gaudichaudii (DUMÉRIL & BIBRON, 1836)
• Gavialis gangeticus (GMELIN, 1789)
• Geckolepis maculata PETERS, 1880
• Geckolepis megalepis SCHERZ, DAZA, KÖHLER, VENCES & GLAW, 2017
• Gehyra australis GRAY, 1845
• Gehyra capensis KEALLEY, DOUGHTY, PEPPER, KEOGH, HILLYER & HUEY, 2018
• Gehyra chimera OLIVER, PRASETYA, TEDESCHI, FENKER, ELLIS, DOUGHTY & MORITZ, 2020
• Gehyra crypta KEALLEY, DOUGHTY, PEPPER, KEOGH, HILLYER & HUEY, 2018
• Gehyra einasleighensis BOURKE, PRATT, VANDERDUYS & MORITZ, 2017
• Gehyra finipunctata DOUGHTY, BAUER, PEPPER, KEOGH & ELLIS, 2018
• Gehyra gemina OLIVER, PRASETYA, TEDESCHI, FENKER, ELLIS, DOUGHTY & MORITZ, 2020
• Gehyra girloorloo OLIVER, BOURKE, PRATT, DOUGHTY & MORITZ, 2016
• Gehyra granulum DOUGHTY, PALMER, BOURKE, TEDESCHI, OLIVER & MORITZ, 2018
• Gehyra moritzi HUTCHINSON, SISTROM, DONNELLAN & HUTCHINSON, 2014
• Gehyra mutilata (WIEGMANN, 1834)
• Gehyra nana STORR, 1978
• Gehyra oceanica (LESSON, 1829)
• Gehyra variegata (DUMÉRIL & BIBRON, 1836)
• Gehyra vorax GIRARD, 1858
• Gekko albofasciolatus (GÜNTHER, 1867)
• Gekko albomaculatus (GIEBEL, 1861)
• Gekko cicakterbang (GRISMER, WOOD, GRISMER, QUAH, THY, PHIMMACHAK, SIVONGXAY, SEATEUN, STUART, SILER, MULCAHY, ANAMZA & BROWN, 2019)
• Gekko coi BROWN, SILER, OLIVEROS, DIESMOS & ALCALA, 2011
• Gekko crombota BROWN, OLIVEROS, SILER & DIESMOS, 2008
• Gekko gecko (LINNAEUS, 1758)
• Gekko kabkaebin (GRISMER, WOOD, GRISMER, QUAH, THY, PHIMMACHAK, SIVONGXAY, SEATEUN, STUART, SILER, MULCAHY, ANAMZA & BROWN, 2019)
• Gekko kuhli (STEJNEGER, 1902)
• Gekko lionotum (ANNANDALE, 1905)
• Gekko monarchus (SCHLEGEL, 1836)
• Gekko reevesii (GRAY, 1831)
• Gekko rossi BROWN, OLIVEROS, SILER & DIESMOS, 2009
• Gekko smithii GRAY, 1842
• Gekko tokehos (GRISMER, WOOD, GRISMER, QUAH, THY, PHIMMACHAK, SIVONGXAY, SEATEUN, STUART, SILER, MULCAHY, ANAMZA & BROWN, 2019)
• Gekko verreauxi TYTLER, 1865
• Gekko vittatus HOUTTUYN, 1782
• Gelanesaurus cochranae (BURT & BURT, 1931)
• Gelanesaurus flavogularis (ALTAMIRANO-BENAVIDES, ZAHER, LOBO, GRAZZIOTIN, SALES-NUNES & RODRIGUES, 2013)
• Geoclemys hamiltonii (GRAY, 1831)
• Geoemyda spengleri (GMELIN, 1789)
• Geophis annuliferus (BOULENGER, 1894)
• Geophis brachycephalus (COPE, 1871)
• Geophis damiani WILSON, MCCRANIE & WILLIAMS, 1998
• Geophis downsi SAVAGE, 1981
• Geophis dubius (PETERS, 1861)
• Geophis dugesii BOCOURT, 1883
• Geophis godmani BOULENGER, 1894
• Geophis hoffmanni (PETERS, 1859)
• Geophis rhodogaster (COPE, 1868)
• Geophis rostralis (JAN, 1865)
• Geophis sartorii (COPE, 1863)
• Gerrhonotus infernalis BAIRD, 1859
• Gerrhonotus lazcanoi BANDA-LEAL, NEVÁREZ-DE LOS REYES, BRYSON, 2017
• Gerrhonotus liocephalus WIEGMANN, 1828
• Gerrhonotus ophiurus COPE, 1867
• Gerrhonotus parvus KNIGHT & SCUDDAY, 1985
• Gerrhopilus beddomii (BOULENGER, 1890)
• Gerrhopilus mirus (JAN, 1860)
• Gerrhopilus persephone KRAUS, 2017
• Gerrhosaurus flavigularis WIEGMANN, 1828
• Glaphyromorphus nigricaudis (MACLEAY, 1877)
• Glaucomastix cyanura (ARIAS, DE CARVALHO, RODRIGUES & ZAHER, 2011)
• Glaucomastix venetacauda (ARIAS, DE CARVALHO, RODRIGUES & ZAHER, 2011)
• Gloydius blomhoffii (BOIE, 1826)
• Gloydius chambensis KUTTALAM, SANTRA, OWENS, SELVAN, MUKHERJEE, GRAHAM, TOGRIDOU, BHARTI, SHI, SHANKER & MALHOTRA, 2022
• Gloydius himalayanus (GÜNTHER, 1864)
• Gloydius intermedius (STRAUCH, 1868)
• Gloydius rickmersi WAGNER, TIUTENKO, BORKIN & SIMONOV, 2015
• Gloydius shedaoensis (ZHAO, 1979)
• Gloydius ussuriensis (EMELIANOV, 1929)
• Glyptemys insculpta (LE CONTE, 1830)
• Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)
• Gonatodes annularis BOULENGER, 1887
• Gonatodes chucuri MENESES-PELAYO & RAMÍREZ, 2020
• Gonatodes humeralis (GUICHENOT, 1855)
• Gonatodes ocellatus (GRAY, 1831)
• Gonatodes vittatus (LICHTENSTEIN & MARTENS, 1856)
• Gongylosoma baliodeira (BOIE, 1827)
• Gongylosoma calamaria (GÜNTHER, 1858)
• Goniurosaurus hainanensis BARBOUR, 1908
• Goniurosaurus huuliensis ORLOV, RYABOV, NGUYEN, NGUYEN & HO, 2008
• Goniurosaurus lichtenfelderi (MOCQUARD, 1897)
• Gonocephalus bornensis (SCHLEGEL, 1851)
• Gonocephalus chamaeleontinus (LAURENTI, 1768)
• Gonocephalus doriae PETERS, 1871
• Gonocephalus grandis (GRAY, 1845)
• Gonocephalus liogaster (GÜNTHER, 1872)
• Gonyosoma boulengeri (MOCQUARD, 1897)
• Gonyosoma frenatum (GRAY, 1853)
• Gonyosoma jansenii (BLEEKER, 1859)
• Gonyosoma margaritatum PETERS, 1871
• Gonyosoma prasinum (BLYTH, 1855)
• Gopherus agassizii (COOPER, 1861)
• Gopherus berlandieri (AGASSIZ, 1857)
• Gopherus flavomarginatus LEGLER, 1959
• Gopherus polyphemus (DAUDIN, 1801)
• Gracililima nyassae (GÜNTHER, 1888)
• Graptemys barbouri CARR & MARCHAND, 1942
• Graptemys ernsti LOVICH & MCCOY, 1992
• Graptemys geographica (LESUEUR, 1817)
• Graptemys oculifera (BAUR, 1890)
• Graptemys pseudogeographica (GRAY, 1831)
• Grayia ornata (BOCAGE, 1866)
• Grypotyphlops acutus (DUMÉRIL & BIBRON, 1844)
• Gyalopion quadrangulare (GÜNTHER, 1893)
• Gymnodactylus darwinii (GRAY, 1845)
• Gymnodactylus geckoides SPIX, 1825
• Gymnophthalmus lineatus (LINNAEUS, 1758)
• Gymnophthalmus pleii BOCOURT, 1881
• Gymnophthalmus speciosus (HALLOWELL, 1861)
• Gymnophthalmus underwoodi GRANT, 1958
• Hardella thurjii (GRAY, 1831)
• Hebius craspedogaster (BOULENGER, 1899)
• Hebius johannis (BOULENGER, 1908)
• Hebius maximus (MALNATE, 1962)
• Hebius metusia (INGER, ZHAO, SHAFFER & WU, 1990)
• Hebius modestus (GÜNTHER, 1875)
• Hebius nigriventer (WALL, 1925)
• Hebius parallelus (BOULENGER, 1890)
• Hebius popei (SCHMIDT, 1925)
• Hebius pryeri (BOULENGER, 1887)
• Hebius sarawacensis (GÜNTHER, 1872)
• Hebius sauteri (BOULENGER, 1909)
• Hebius venningi (WALL, 1910)
• Helicops angulatus (LINNAEUS, 1758)
• Helicops apiaka KAWASHITA-RIBEIRO, ÁVILA & MORAIS, 2013
• Helicops carinicaudus (WIED-NEUWIED, 1824)
• Helicops danieli AMARAL, 1938
• Helicops gomesi AMARAL, 1922
• Helicops hagmanni ROUX, 1910
• Helicops infrataeniatus JAN, 1865
• Helicops leopardinus (SCHLEGEL, 1837)
• Helicops modestus GÜNTHER, 1861
• Helicops nentur COSTA, SANTANA, LEAL, KOROIVA & GARCIA, 2016
• Helicops pastazae SHREVE, 1934
• Helicops petersi ROSSMAN, 1976
• Helicops polylepis GÜNTHER, 1861
• Helicops scalaris JAN, 1865
• Helicops tapajonicus DA FROTA, 2005
• Helicops trivittatus (GRAY, 1849)
• Helicops yacu ROSSMAN & DIXON, 1975
• Heliobolus lugubris (SMITH, 1838)
• Heliobolus neumanni (TORNIER, 1905)
• Heliobolus nitidus (GÜNTHER, 1872)
• Heliobolus spekii (GÜNTHER, 1872)
• 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
• Hemachatus haemachatus (BONNATERRE, 1790)
• Hemibungarus calligaster (WIEGMANN, 1835)
• Hemibungarus mcclungi TAYLOR, 1922
• Hemidactylus afarensis ŠMÍD, MAZUCH, NOVÁKOVÁ, MODRY, MALONZA, ABDIRAHMAN-ELMI, CARRANZA & MORAVEC, 2020
• Hemidactylus agrius VANZOLINI, 1978
• Hemidactylus angulatus HALLOWELL, 1854
• Hemidactylus awashensis ŠMÍD, MORAVEC, KRATOCHVIL, NASHER, MAZUCH, GVOŽDÍK & CARRANZA, 2015
• Hemidactylus brasilianus (AMARAL, 1935)
• Hemidactylus brookii GRAY, 1845
• Hemidactylus craspedotus MOCQUARD, 1890
• Hemidactylus fasciatus GRAY, 1842
• Hemidactylus flaviviridis RÜPPELL, 1835
• Hemidactylus frenatus DUMÉRIL & BIBRON, 1836
• Hemidactylus garnotii DUMÉRIL & BIBRON, 1836
• Hemidactylus giganteus STOLICZKA, 1871
• Hemidactylus isolepis BOULENGER, 1895
• Hemidactylus leschenaultii DUMÉRIL & BIBRON, 1836
• Hemidactylus mabouia (MOREAU DE JONNÈS, 1818)
• Hemidactylus mercatorius GRAY, 1842
• Hemidactylus montanus BUSAIS & JOGER, 2011
• Hemidactylus palaichthus KLUGE, 1969
• Hemidactylus parvimaculatus DERANIYAGALA, 1953
• Hemidactylus pauciporosus LANZA, 1978
• Hemidactylus platyurus (SCHNEIDER, 1797)
• Hemidactylus rishivalleyensis AGARWAL, THACKERAY & KHANDEKAR, 2020
• Hemidactylus robustus HEYDEN, 1827
• Hemidactylus treutleri MAHONY, 2009
• Hemidactylus turcicus (LINNAEUS, 1758)
• Hemidactylus vanam CHAITANYA, LAJMI & GIRI, 2018
• Hemidactylus whitakeri MIRZA, GOWANDE, PATIL, AMBEKAR & PATEL, 2018
• Hemidactylus yerburii ANDERSON, 1895
• Hemiergis decresiensis (CUVIER, 1829)
• Hemiergis peronii (GRAY, 1831)
• Hemiphyllodactylus jnana AGARWAL, KHANDEKAR, GIRI, RAMAKRISHNAN & KARANTH, 2019
• Hemiphyllodactylus simaoensis AGUNG, CHORNELIA, GRISMER, GRISMER, QUAH, LU, TOMLINSON & HUGHES, 2022
• Hemiphyllodactylus typus BLEEKER, 1860
• Hemirhagerrhis hildebrandtii (PETERS, 1878)
• Hemirhagerrhis kelleri BOETTGER, 1893
• Hemitheconyx taylori PARKER, 1930
• Hemorrhois algirus (JAN, 1863)
• Hemorrhois hippocrepis (LINNAEUS, 1758)
• Hemorrhois nummifer (REUSS, 1834)
• Hemorrhois ravergieri (MÉNÉTRIES, 1832)
• Heosemys grandis (GRAY, 1860)
• Heosemys spinosa (GRAY, 1831)
• Heremites auratus (LINNAEUS, 1758)
• Heremites vittatus (OLIVIER, 1804)
• Heterodactylus imbricatus SPIX, 1825
• Heterodon kennerlyi KENNICOTT, 1860
• Heterodon nasicus BAIRD & GIRARD, 1852
• Heterodon platirhinos LATREILLE, 1801
• Heterodon simus (LINNAEUS, 1766)
• Heteronotia binoei (GRAY, 1845)
• Hierophis viridiflavus (LACÉPÈDE, 1789)
• Holbrookia approximans BAIRD, 1859
• Holbrookia elegans BOCOURT, 1874
• Holbrookia lacerata COPE, 1880
• Holbrookia maculata GIRARD, 1851
• Holbrookia propinqua BAIRD & GIRARD, 1852
• 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)
• Holodactylus africanus BOETTGER, 1893
• Homalopsis buccata (LINNAEUS, 1758)
• Homonota fasciata (DUMÉRIL & BIBRON, 1836)
• Homonota horrida (BURMEISTER, 1861)
• Homonota williamsii ÁVILA, PEREZ, MINOLI & MORANDO, 2012
• Homopholis fasciata (BOULENGER, 1890)
• Homopholis wahlbergii (SMITH, 1849)
• Homopus areolatus (THUNBERG, 1787)
• Homopus femoralis BOULENGER, 1888
• Hoplocephalus bungaroides (SCHLEGEL, 1837)
• Hoplocercus spinosus FITZINGER, 1843
• Hoplodactylus duvaucelii (DUMÉRIL & BIBRON, 1836)
• Hydromedusa maximiliani (MIKAN, 1825)
• Hydromedusa tectifera COPE, 1870
• Hydromorphus concolor PETERS, 1859
• Hydrophis fasciatus (SCHNEIDER, 1799)
• Hydrophis mamillaris (DAUDIN, 1803)
• Hydrophis ornatus (GRAY, 1842)
• Hydrophis platurus (LINNAEUS, 1766)
• Hydrosaurus amboinensis (SCHLOSSER, 1768)
• Hypnale hypnale (MERREM, 1820)
• Hypsiglena chlorophaea COPE, 1860
• Hypsiglena torquata (GÜNTHER, 1860)
• Hypsilurus godeffroyi (PETERS, 1867)
• Hypsilurus longi (MACLEAY, 1877)
• Hypsiscopus plumbeus (BOIE, 1827)
• Iberolacerta aurelioi (ARRIBAS, 1994)
• Iberolacerta cyreni (MÜLLER & HELLMICH, 1937)
• 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 inornatus (BOULENGER, 1896)
• Imantodes tenuissimus (COPE, 1867)
• Indotestudo elongata (BLYTH, 1854)
• Indotestudo forstenii (SCHLEGEL & MÜLLER, 1844)
• Indotyphlops albiceps (BOULENGER, 1898)
• Indotyphlops braminus (DAUDIN, 1803)
• Intellagama lesueurii (GRAY, 1831)
• Iphisa elegans GRAY, 1851
• Iphisa munduruku MELLO, RECODER, FOUQUET, RODRIGUES & NUNES, 2023
• Iphisa pellegrino MELLO, RECODER, FOUQUET, RODRIGUES & NUNES, 2023
• Isanophis boonsongi (TAYLOR & ELBEL, 1958)
• Ithycyphus goudoti (SCHLEGEL, 1837)
• Ithycyphus oursi DOMERGUE, 1986
• Kaestlea bilineata (GRAY, 1846)
• Kaestlea laterimaculata (BOULENGER, 1887)
• Kaestlea travancorica (BEDDOME, 1870)
• Kentropyx borckiana (PETERS, 1869)
• Kentropyx calcarata SPIX, 1825
• Kentropyx paulensis (BOETTGER, 1893)
• Kentropyx pelviceps (COPE, 1868)
• Kentropyx striata (DAUDIN, 1802)
• Kinixys belliana GRAY, 1831
• Kinixys lobatsiana (POWER, 1927)
• Kinixys natalensis HEWITT, 1935
• Kinixys nogueyi (LATASTE, 1886)
• Kinixys zombensis HEWITT, 1931
• Kinosternon acutum GRAY, 1831
• Kinosternon baurii (GARMAN, 1891)
• Kinosternon dunni SCHMIDT, 1947
• Kinosternon herrerai STEJNEGER, 1925
• Kinosternon hirtipes (WAGLER, 1830)
• 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
• Kinyongia oxyrhina (KLAVER & BÖHME, 1988)
• Kinyongia tolleyae HUGHES, KUSAMBA, BEHANGANA & GREENBAUM, 2017
• Kolekanos plumicaudus (HAACKE, 2008)
• Lacerta agilis LINNAEUS, 1758
• Lacerta bilineata DAUDIN, 1802
• Lacerta media LANTZ & CYRÉN, 1920
• Lacerta pamphylica SCHMIDTLER, 1975
• Lacerta schreiberi BEDRIAGA, 1878
• Lacerta strigata EICHWALD, 1831
• Lacerta trilineata BEDRIAGA, 1886
• Lacerta viridis (LAURENTI, 1768)
• Lacertaspis rohdei (MÜLLER, 1910)
• Lachesis muta (LINNAEUS, 1766)
• Lachesis rhombeata (WIED, 1824)
• Laemanctus longipes WIEGMANN, 1834
• Laemanctus serratus COPE, 1864
• Lamprolepis smaragdina (LESSON, 1829)
• Lampropeltis californiae (BLAINVILLE, 1835)
• Lampropeltis extenuata (BROWN, 1890)
• Lampropeltis knoblochi TAYLOR, 1940
• Lampropeltis mexicana (GARMAN, 1884)
• Lampropeltis polyzona COPE, 1860
• Lampropeltis splendida (BAIRD & GIRARD, 1853)
• Lampropeltis triangulum (LACÉPÈDE, 1789)
• Lampropholis delicata (DE VIS, 1888)
• Lampropholis guichenoti (DUMÉRIL & BIBRON, 1839)
• Langaha madagascariensis BONATERRE, 1790
• Lankascincus fallax (PETERS, 1860)
• Lankascincus taprobanensis (KELAART, 1854)
• Lankascincus taylori GREER, 1991
• Lanthanotus borneensis STEINDACHNER, 1878
• Latastia boscai BEDRIAGA, 1884
• Latastia caeruleopunctata PARKER, 1935
• Latastia doriai BEDRIAGA, 1884
• Latastia longicaudata (REUSS, 1834)
• Laticauda colubrina (SCHNEIDER, 1799)
• Laticauda laticaudata (LINNAEUS, 1758)
• Laudakia agrorensis (STOLICZKA, 1872)
• Laudakia cypriaca (DAAN, 1967)
• Laudakia nupta (DE FILIPPI, 1843)
• Laudakia stellio (LINNAEUS, 1758)
• Laudakia vulgaris (SONNINI & LATREILLE, 1802)
• Leiocephalus barahonensis SCHMIDT, 1921
• Leiocephalus carinatus GRAY, 1827
• Leiocephalus lunatus COCHRAN, 1934
• Leiocephalus personatus (COPE, 1863)
• Leiocephalus stictigaster SCHWARTZ, 1959
• Leioheterodon madagascariensis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Leioheterodon modestus (GÜNTHER, 1863)
• Leiolepis belliana (HARDWICKE & GRAY, 1827)
• Leiolepis ocellata PETERS, 1971
• Leiopython albertisii (PETERS & DORIA, 1878)
• Leiopython fredparkeri SCHLEIP, 2008
• Leiosaurus bellii DUMÉRIL & BIBRON, 1837
• Leiosaurus paronae (PERACCA, 1897)
• Lepidoblepharis xanthostigma (NOBLE, 1916)
• Lepidochelys kempii GARMAN, 1880
• Lepidochelys olivacea (ESCHSCHOLTZ, 1829)
• Lepidodactylus aignanus KRAUS, 2019
• Lepidodactylus kwasnickae KRAUS, 2019
• Lepidodactylus lugubris (DUMÉRIL & BIBRON, 1836)
• Lepidophyma flavimaculatum DUMÉRIL, 1851
• Lepidophyma gaigeae MOSAUER, 1936
• Lepidophyma inagoi PALACIOS-AGUILAR, SANTOS-BIBIANO & FLORES-VILLELA, 2018
• Lepidophyma radula (SMITH, 1942)
• Lepidophyma smithii BOCOURT, 1876
• Lepidophyma sylvaticum TAYLOR, 1939
• Lepidophyma zongolicum GARCÍA-VÁZQUEZ, CANSECO-MARQUEZ & AGUILAR-LÓPEZ, 2010
• Leposoma baturitensis RODRIGUES & BORGES, 1997
• Leposoma scincoides SPIX, 1825
• Leposternon microcephalus WAGLER, 1824
• Leposternon polystegum (DUMÉRIL, 1851)
• Leposternon scutigerum (HEMPRICH, 1820)
• Leptodeira annulata (LINNAEUS, 1758)
• Leptodeira maculata (HALLOWELL, 1861)
• Leptodeira ornata (BOCOURT, 1884)
• Leptodeira pulchriceps DUELLMAN, 1958
• Leptodeira punctata (PETERS, 1866)
• Leptodeira septentrionalis (KENNICOTT, 1859)
• Leptodeira splendida GÜNTHER, 1885
• Leptodeira tarairiu COSTA, GRABOSKI, GRAZZIOTIN, ZAHER, RODRIGUES & PRUDENTE, 2022
• Leptomicrurus scutiventris (COPE, 1870)
• Leptophis ahaetulla (LINNAEUS, 1758)
• Leptophis bocourti BOULENGER, 1898
• Leptophis bolivianus OLIVER, 1942
• Leptophis dibernardoi ALBUQUERQUE, SANTOS, BORGES-NOJOSA & ÁVILA, 2022
• Leptophis diplotropis (GÜNTHER, 1872)
• Leptophis liocercus (WIED, 1824)
• Leptophis marginatus (COPE, 1862)
• Leptophis mexicanus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Leptophis nigromarginatus (GÜNTHER, 1866)
• Leptophis occidentalis (GÜNTHER, 1859)
• Leptophis praestans (COPE, 1868)
• Leptophis urostictus (PETERS, 1873)
• Lerista allochira KENDRICK, 1989
• Lerista bougainvillii (GRAY, 1839)
• Leucocephalon yuwonoi (MCCORD, IVERSON & BOEADI, 1995)
• Lialis burtonis GRAY, 1834
• Lichanura orcutti STEJNEGER, 1889
• Lichanura trivirgata COPE, 1861
• Limaformosa capensis (SMITH, 1847)
• Limaformosa chanleri (STEJNEGER, 1893)
• Liodytes alleni (GARMAN, 1874)
• Liodytes rigida (SAY, 1825)
• Liolaemus abaucan ETHERIDGE, 1993
• Liolaemus albiceps LOBO & LAURENT, 1995
• Liolaemus alticolor BARBOUR, 1909
• Liolaemus annectens BOULENGER, 1901
• Liolaemus anomalus KOSLOWSKY, 1896
• Liolaemus balagueri VILLEGAS-PAREDES, HUAMANÍ-VALDERRAMA, LUQUE-FERNÁNDEZ, GUTIÉRREZ, QUIRÓZ & ABDALA, 2020
• Liolaemus bibronii (BELL, 1843)
• Liolaemus boulengeri KOSLOWSKY, 1898
• Liolaemus chacabucoense NUÑEZ & SCOLARO, 2009
• Liolaemus chacoensis SHREVE, 1948
• Liolaemus chiliensis (LESSON, 1829)
• Liolaemus chillanensis MÜLLER & HELLMICH, 1932
• Liolaemus constanzae DONOSO-BARROS, 1961
• Liolaemus darwinii (BELL, 1843)
• Liolaemus ditadai CEI, 1983
• Liolaemus dorbignyi KOSLOWSKY, 1898
• Liolaemus elongatus KOSLOWSKY, 1896
• Liolaemus espinozai ABDALA, 2005
• Liolaemus gracilis (BELL, 1843)
• Liolaemus gravenhorstii (GRAY, 1845)
• Liolaemus irregularis LAURENT, 1986
• Liolaemus koslowskyi ETHERIDGE, 1993
• Liolaemus laurenti ETHERIDGE, 1992
• Liolaemus lineomaculatus BOULENGER, 1885
• Liolaemus lutzae MERTENS, 1938
• Liolaemus magellanicus (HOMBRON & JACQUINOT, 1853)
• Liolaemus melanogaster LAURENT, 1998
• Liolaemus monticola MÜLLER & HELLMICH, 1932
• Liolaemus nigroviridis MÜLLER & HELLMICH, 1932
• Liolaemus nitidus (WIEGMANN, 1834)
• Liolaemus olongasta ETHERIDGE, 1993
• Liolaemus pictus (DUMÉRIL & BIBRON, 1837)
• Liolaemus quilmes ETHERIDGE, 1993
• Liolaemus reichei (WERNER, 1907)
• Liolaemus scrocchii QUINTEROS, ABDALA & LOBO, 2008
• Liolaemus signifer (DUMÈRIL & BIBRON, 1837)
• Liolaemus tenuis (DUMÉRIL & BIBRON, 1837)
• Liolaemus uspallatensis MACOLA & CASTRO, 1982
• Liolaemus villaricensis MÜLLER & HELLMICH, 1932
• Liolaemus zapallarensis MÜLLER & HELLMICH, 1933
• Liophidium rhodogaster (SCHLEGEL, 1837)
• Liophidium torquatum (BOULENGER, 1888)
• Liophidium vaillanti (MOCQUARD, 1901)
• Liopholis aputja FARQUHAR, MULDER, RUSSELL, HAINES, RANGERS & CHAPPLE, 2024
• Liopholis slateri (STORR, 1968)
• Liopholis whitii (LACÉPÈDE, 1804)
• Liotyphlops ternetzii (BOULENGER, 1896)
• Lipinia microcerca (BOETTGER, 1901)
• Lipinia trivittata POYARKOV, GEISSLER, GORIN, DUNAYEV, HARTMANN & SUWANNAPOOM, 2019
• Lipinia vittigera (BOULENGER, 1894)
• Lissemys punctata (BONNATERRE, 1789)
• Lophognathus gilberti GRAY, 1842
• Lophosaurus dilophus (DUMÉRIL & BIBRON, 1837)
• Loxopholis guianense (RUIBAL, 1952)
• Loxopholis hexalepis (AYALA & HARRIS, 1982)
• Loxopholis parietalis (COPE, 1886)
• Loxopholis percarinatum (MÜLLER, 1923)
• Loxopholis rugiceps COPE, 1869
• Loxopholis southi (RUTHVEN & GAIGE, 1924)
• Lycodon albofuscus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Lycodon aulicus (LINNAEUS, 1758)
• Lycodon capucinus BOIE, 1827
• Lycodon effraenis CANTOR, 1847
• Lycodon fasciolatus (SHAW, 1802)
• Lycodon gammiei (BLANFORD, 1878)
• Lycodon hypsirhinoides (THEOBALD, 1868)
• Lycodon jara (SHAW, 1802)
• Lycodon striatus (SHAW, 1802)
• Lycodon subannulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Lycodon subcinctus BOIE, 1827
• Lycodon tiwarii BISWAS & SANYAL, 1965
• Lycodon travancoricus (BEDDOME, 1870)
• Lycodon tristrigatus (GÜNTHER, 1858)
• Lycodonomorphus laevissimus (GÜNTHER, 1862)
• Lycodonomorphus rufulus (LICHTENSTEIN, 1823)
• Lycodryas cococola HAWLITSCHEK, NAGY & GLAW, 2012
• Lycodryas gaimardi (SCHLEGEL, 1837)
• Lycodryas maculatus (GÜNTHER, 1858)
• Lycophidion capense (SMITH, 1831)
• Lycophidion chirioi TRAPE, 2021
• Lycophidion depressirostre LAURENT, 1968
• Lycophidion jacksoni BOULENGER, 1893
• Lycophidion uzungwense LOVERIDGE, 1932
• Lygisaurus foliorum DE VIS, 1884
• Lygodactylus capensis (SMITH, 1849)
• Lygodactylus miops GÜNTHER, 1891
• Lygodactylus morii VENCES, MULTZSCH, ZEBE, GIPPNER, ANDREONE, CROTTINI, GLAW, KÖHLER, RAKOTOMANGA, RASAMISON & RASELIMANANA, 2024
• Lygodactylus picturatus (PETERS, 1870)
• Lygodactylus tolampyae (GRANDIDIER, 1872)
• Lygodactylus wetzeli (SMITH, MARTIN & SWAIN, 1977)
• Lygodactylus winki VENCES, MULTZSCH, GIPPNER, MIRALLES, CROTTINI, GEHRING, RAKOTOARISON, RATSOAVINA, GLAW & SCHERZ, 2022
• Lygophis anomalus (GÜNTHER, 1858)
• Lygosoma tabonorum HEITZ, DIESMOS, FREITAS, ELLSWORTH & GRISMER, 2016
• Lyriocephalus scutatus (LINNAEUS, 1758)
• Mabuya mabouya (BONNATERRE, 1789)
• Macrochelys temminckii (TROOST, 1835)
• Macroprotodon cucullatus (GEOFFROY SAINT-HILAIRE, 1827)
• Macrovipera lebetinus (LINNAEUS, 1758)
• Madagascarophis meridionalis DOMERGUE, 1987
• Madascincus ankodabensis (ANGEL, 1930)
• Madatyphlops arenarius (GRANDIDIER, 1872)
• Magdalenasaura adercum FANG, VÁSQUEZ-RESTREPO & DAZA, 2020
• Magdalenasaura leurosquama FANG, VÁSQUEZ-RESTREPO & DAZA, 2020
• Malaclemys terrapin (SCHOEPFF, 1793)
• Malacochersus tornieri (SIEBENROCK, 1903)
• Malayopython reticulatus (SCHNEIDER, 1801)
• Malpolon insignitus (GEOFFROY SAINT-HILAIRE, 1827)
• Malpolon moilensis (REUSS, 1834)
• Malpolon monspessulanus (HERMANN, 1804)
• Manouria emys (SCHLEGEL & MÜLLER, 1844)
• Marisora syntoma MCCRANIE, MATTHEWS & HEDGES, 2020
• Marisora unimarginata (COPE, 1863)
• Masticophis anthonyi (STEJNEGER, 1901)
• Masticophis aurigulus (COPE, 1861)
• Masticophis barbouri (VAN DENBURGH & SLEVIN, 1921)
• Masticophis bilineatus JAN, 1863
• Masticophis flagellum (SHAW, 1802)
• Masticophis fuliginosus (COPE, 1895)
• Masticophis lateralis (HALLOWELL, 1853)
• Masticophis lineatus BOCOURT, 1890
• Masticophis mentovarius (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Masticophis piceus (COPE, 1892)
• Masticophis schotti BAIRD & GIRARD, 1853
• Masticophis slevini LOWE & NORRIS, 1955
• Masticophis taeniatus (HALLOWELL, 1852)
• Mastigodryas boddaerti (SENTZEN, 1796)
• Mastigodryas bruesi (BARBOUR, 1914)
• Mastigodryas cliftoni (HARDY, 1964)
• Mastigodryas melanolomus (COPE, 1868)
• Mastigodryas moratoi MONTINGELLI & ZAHER, 2011
• Matoatoa brevipes (MOCQUARD, 1900)
• Mauremys annamensis (SIEBENROCK, 1903)
• Mauremys leprosa (SCHWEIGGER, 1812)
• Mauremys reevesii (GRAY, 1831)
• Mauremys rivulata (VALENCIENNES, 1833)
• Mauremys sinensis (GRAY, 1834)
• Mediodactylus kotschyi (STEINDACHNER, 1870)
• Mediodactylus russowii (STRAUCH, 1887)
• Mediodactylus sagittifer (NIKOLSKY, 1900)
• Medopheos edracanthus (BOCOURT, 1874)
• Mehelya stenophthalmus (MOCQUARD, 1887)
• Meizodon semiornatus (PETERS, 1854)
• Melanochelys tricarinata (BLYTH, 1856)
• Melanochelys trijuga (SCHWEIGGER, 1812)
• Melanophidium punctatum BEDDOME, 1871
• Melanoseps ater (GÜNTHER, 1873)
• Melanosuchus niger (SPIX, 1825)
• Menetia amaura STORR, 1978
• Menetia greyii GRAY, 1845
• Meroles anchietae (BOCAGE, 1867)
• Meroles knoxii (MILNE-EDWARDS, 1829)
• Meroles suborbitalis (PETERS, 1869)
• Mesalina bahaeldini SEGOLI, COHEN & WERNER, 2002
• Mesalina guttulata (LICHTENSTEIN, 1823)
• Mesalina martini (BOULENGER, 1897)
• Mesalina simoni (BOETTGER, 1881)
• Mesoclemmys gibba (SCHWEIGGER, 1812)
• Mesoclemmys nasuta (SCHWEIGGER, 1812)
• Mesoclemmys perplexa BOUR & ZAHER, 2005
• Mesoclemmys raniceps (GRAY, 1856)
• Mesoclemmys tuberculata (LUEDERWALDT, 1926)
• Mesoclemmys vanderhaegei (BOUR, 1973)
• Mesoclemmys wermuthi (MERTENS, 1969)
• Mesoclemmys zuliae (PRITCHARD & TREBBAU, 1984)
• Metlapilcoatlus mexicanus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Metlapilcoatlus nummifer (RÜPPELL, 1845)
• Micrablepharus maximiliani (REINHARDT & LÜTKEN, 1862)
• Microlophus arenarius (TSCHUDI, 1845)
• Microlophus atacamensis (DONOSO-BARROS, 1960)
• Microlophus occipitalis (PETERS, 1871)
• Microlophus peruvianus (LESSON, 1829)
• Microlophus tigris (TSCHUDI, 1845)
• Micruroides euryxanthus (KENNICOTT, 1860)
• Micrurus apiatus (JAN, 1858)
• Micrurus corallinus (MERREM, 1820)
• Micrurus diastema (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus distans KENNICOTT, 1860
• Micrurus frontalis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus helleri SCHMIDT & SCHMIDT, 1925
• Micrurus hemprichii (JAN, 1858)
• Micrurus ibiboboca (MERREM, 1820)
• Micrurus lemniscatus (LINNAEUS, 1758)
• Micrurus michoacanensis DUGES, 1891
• Micrurus mipartitus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Micrurus nigrocinctus (GIRARD, 1854)
• Micrurus oliveri ROZE, 1967
• Micrurus ortoni (SCHMIDT, 1953)
• Micrurus pyrrhocryptus (COPE, 1862)
• Micrurus serranus HARVEY, APARICIO & GONZALEZ, 2003
• Micrurus silviae DI BERNARDO, BORGES-MARTINS & DA SILVA, 2007
• Micrurus spixii WAGLER, 1824
• Micrurus surinamensis (CUVIER, 1816)
• Micrurus tener (BAIRD & GIRARD, 1853)
• Micrurus tricolor HOGE, 1956
• Mimophis mahfalensis (GRANDIDIER, 1867)
• Mitophis leptepileptus (THOMAS, MCDIARMID & THOMPSON, 1985)
• Mixcoatlus melanurus (MÜLLER, 1924)
• Mochlus fernandi (BURTON, 1836)
• Mochlus sundevallii (SMITH, 1849)
• Mochlus vinciguerrae (PARKER, 1932)
• Mokopirirakau granulatus (GRAY, 1845)
• Monilesaurus acanthocephalus PAL, VIJAYAKUMAR, SHANKER, JAYARAJAN & DEEPAK, 2018
• Monilesaurus ellioti (GÜNTHER, 1864)
• Monilesaurus rouxii (DUMÉRIL & BIBRON, 1837)
• Monopeltis guentheri BOULENGER, 1885
• Monopeltis rhodesiana BROADLEY, GANS & VISSER, 1976
• Montivipera albizona (NILSON, ANDREN & FLÄRDH, 1990)
• Montivipera bulgardaghica (NILSON & ANDREN, 1985)
• Montivipera raddei (BOETTGER, 1890)
• Montivipera wagneri (NILSON & ANDRÉN, 1984)
• Montivipera xanthina (GRAY, 1849)
• Morelia bredli (GOW, 1981)
• Morelia carinata (SMITH, 1981)
• Morelia imbricata (SMITH, 1981)
• Morelia spilota (LACÉPÈDE, 1804)
• Morelia viridis (SCHLEGEL, 1872)
• Morethia boulengeri (OGILBY, 1890)
• Myriopholis erythraeus (SCORTECCI, 1929)
• Myriopholis longicauda (PETERS, 1854)
• Myriopholis macrorhyncha (JAN, 1860)
• Myriopholis nursii (ANDERSON, 1896)
• Myuchelys latisternum (GRAY, 1867)
• Nactus pelagicus (GIRARD, 1858)
• Naja annulata PETERS, 1876
• Naja atra CANTOR, 1842
• Naja haje (LINNAEUS, 1758)
• Naja kaouthia LESSON, 1831
• Naja melanoleuca HALLOWELL, 1857
• Naja mossambica PETERS, 1854
• Naja multifasciata (WERNER, 1902)
• Naja naja (LINNAEUS, 1758)
• Naja nigricollis REINHARDT, 1843
• Naja nubiae WÜSTER & BROADLEY, 2003
• Naja pallida BOULENGER, 1896
• Naja peroescobari CERÍACO, MARQUES, SCHMITZ & BAUER, 2017
• Naja sputatrix BOIE, 1827
• Naja sumatrana MÜLLER, 1887
• Natator depressus (GARMAN, 1880)
• Natriciteres olivacea (PETERS, 1854)
• Natrix helvetica (LACÉPÈDE, 1789)
• Natrix maura (LINNAEUS, 1758)
• Natrix natrix (LINNAEUS, 1758)
• Natrix tessellata (LAURENTI, 1768)
• Naultinus elegans GRAY, 1842
• Naultinus grayii BELL, 1843
• Naultinus manukanus (MCCANN, 1955)
• Naultinus punctatus GRAY, 1843
• Naultinus stellatus HUTTON, 1872
• Nerodia clarkii (BAIRD & GIRARD, 1853)
• Nerodia erythrogaster (FORSTER, 1771)
• Nerodia fasciata (LINNAEUS, 1766)
• Nerodia harteri (TRAPIDO, 1941)
• Nerodia rhombifer (HALLOWELL, 1852)
• Nerodia sipedon (LINNAEUS, 1758)
• Nerodia taxispilota (HOLBROOK, 1838)
• Neusticurus rudis BOULENGER, 1900
• Nilssonia gangetica (CUVIER, 1825)
• Nilssonia hurum (GRAY, 1831)
• Nilssonia leithii (GRAY, 1872)
• Nilssonia nigricans (ANDERSON, 1875)
• Ninia diademata BAIRD & GIRARD, 1853
• Ninia maculata (PETERS, 1861)
• Ninia pavimentata (BOCOURT, 1883)
• Ninia psephota (COPE, 1875)
• Ninia sebae (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Notechis scutatus (PETERS, 1861)
• Nothobachia ablephara RODRIGUES, 1984
• Notochelys platynota (GRAY, 1834)
• Notomabuya frenata (COPE, 1863)
• Notoscincus ornatus (BROOM, 1896)
• Oedodera marmorata BAUER, JACKMAN, SADLIER & WHITHAKER, 2006
• Oedura bella OLIVER & DOUGHTY, 2016
• Oedura luritja OLIVER & MCDONALD, 2016
• Oedura marmorata GRAY, 1842
• Oedura tryoni DE VIS, 1884
• Oligodon albocinctus (CANTOR, 1839)
• Oligodon arnensis (SHAW, 1802)
• Oligodon joynsoni (SMITH, 1917)
• Oligodon meyerinkii (STEINDACHNER, 1891)
• Oligodon octolineatus (SCHNEIDER, 1801)
• Oligodon purpurascens (SCHLEGEL, 1837)
• Oligodon taeniatus (GÜNTHER, 1861)
• Oligodon taeniolatus (JERDON, 1853)
• Oligosoma elium MELZER, BELL & PATTERSON, 2017
• Oligosoma grande (GRAY, 1845)
• Oligosoma kokowai MELZER, BELL & PATTERSON, 2017
• Oligosoma lineoocellatum (DUMÉRIL, 1851)
• Oligosoma maccanni (HARDY, 1977)
• Oligosoma oliveri (MCCANN, 1955)
• Oligosoma polychroma (PATTERSON & DAUGHERTY, 1990)
• Oligosoma repens CHAPPLE, BELL, CHAPPLE, MILLER, DAUGHERTY & PATTERSON, 2011
• Oligosoma striatum (BULLER, 1871)
• Oligosoma toka CHAPPLE, BELL, CHAPPLE, MILLER, DAUGHERTY & PATTERSON, 2011
• Opheodrys aestivus (LINNAEUS, 1766)
• Opheodrys carinatus GROBMAN, 1984
• Opheodrys vernalis (HARLAN, 1827)
• Ophiodes fragilis (RADDI, 1820)
• Ophiodes striatus (SPIX, 1824)
• Ophiomorus kardesi KORNILIOS, KUMLUTAS, LYMBERAKIS & ILGAZ, 2018
• Ophiomorus punctatissimus (BIBRON & BORY DE ST. VINCENT, 1833)
• Ophiophagus hannah (CANTOR, 1836)
• Ophisops elegans MÉNÉTRIES, 1832
• Ophisops jerdonii BLYTH, 1853
• Ophisops occidentalis (BOULENGER, 1887)
• Ophryacus smaragdinus GRÜNWALD, JONES, FRANZ-CHÁVEZ & AHUMADA-CARiLLO, 2015
• Opisthotropis alcalai BROWN & LEVITON, 1961
• Opisthotropis andersonii (BOULENGER, 1888)
• Opisthotropis atra GÜNTHER, 1872
• Opisthotropis cheni ZHAO, 1999
• Opisthotropis daovantieni ORLOV, DAREVSKY & MURPHY, 1998
• Opisthotropis durandi TEYNIÉ, LOTTIER, DAVID, NGUYEN & VOGEL, 2014
• Opisthotropis guangxiensis ZHAO, JIANG & HUANG, 1978
• Opisthotropis hungtai WANG, LYU, ZENG, LIN, YANG, NGUYEN, LE, ZIEGLER & WANG, 2020
• Opisthotropis jacobi ANGEL & BOURRET, 1933
• Opisthotropis kikuzatoi (OKADA & TAKARA, 1958)
• Opisthotropis kuatunensis POPE, 1928
• Opisthotropis lateralis BOULENGER, 1903
• Opisthotropis latouchii (BOULENGER, 1899)
• Opisthotropis laui YANG, SUNG & CHAN, 2013
• Opisthotropis maculosa STUART & CHUAYNKERN, 2007
• Opisthotropis maxwelli BOULENGER, 1914
• Opisthotropis rugosa (LIDTH DE JEUDE, 1890)
• Opisthotropis shenzhenensis WANG, GUO, LIU, LYU, WANG, LUO, SUN & ZHANG, 2017
• Opisthotropis spenceri SMITH, 1918
• Opisthotropis tamdaoensis ZIEGLER, DAVID & VU, 2008
• Opisthotropis typica (MOCQUARD, 1890)
• Oplurus cuvieri GRAY, 1831
• Oplurus quadrimaculatus DUMÉRIL & BIBRON, 1851
• Orlitia borneensis GRAY, 1873
• Ornithuroscincus noctua (LESSON, 1829)
• Otosaurus cumingii GRAY, 1845
• Ouroborus cataphractus (BOIE, 1828)
• Ovophis makazayazaya (TAKAHASHI, 1922)
• Ovophis monticola (GÜNTHER, 1864)
• Ovophis okinavensis (BOULENGER, 1892)
• Ovophis zayuensis (JIANG, 1977)
• Oxybelis aeneus (WAGLER, 1824)
• Oxybelis brevirostris (COPE, 1861)
• Oxybelis fulgidus (DAUDIN, 1803)
• Oxybelis rutherfordi JADIN, BLAIR, ORLOFSKE, JOWERS, RIVAS, VITT, RAY, SMITH & MURPHY, 2020
• Oxybelis wilsoni VILLA & MCCRANIE, 1995
• Oxyrhopus clathratus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus guibei HOGE & ROMANO, 1977
• Oxyrhopus melanogenys (TSCHUDI, 1845)
• Oxyrhopus petolarius (LINNAEUS, 1758)
• Oxyrhopus rhombifer DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyrhopus trigeminus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Oxyuranus scutellatus (PETERS, 1867)
• Pachydactylus carinatus BAUER, LAMB & BRANCH, 2006
• Paleosuchus palpebrosus (CUVIER, 1807)
• Paleosuchus trigonatus (SCHNEIDER, 1801)
• Panaspis cabindae (BOCAGE, 1866)
• Panaspis ericae MARQUES, PARRINHA, LOPES-LIMA, TIUTENKO, BAUER & CERÍACO, 2024
• Panaspis maculicollis JACOBSEN & BROADLEY, 2000
• Panaspis mocamedensis CERÍACO, HEINICKE, PARKER, MARQUES & BAUER, 2020
• Panaspis namibiana CERÍACO, BRANCH & BAUER, 2018
• Panaspis tsavoensis KILUNDA, CONRADIE, WASONGA, JIN, PENG, MURPHY, MALONZA & CHE, 2019
• Panaspis wahlbergii (SMITH, 1849)
• Pangshura tecta (GRAY, 1831)
• Pangshura tentoria (GRAY, 1834)
• Panolopus aenetergum SCHWARTZ & JACOBS, 1989
• Panolopus chalcorhabdus SCHWARTZ, 1964
• Panolopus costatus COPE, 1862
• Panolopus neiba SCHWARTZ, 1964
• Panolopus nesobous SCHWARTZ, 1964
• Panolopus oreistes SCHWARTZ, 1964
• Panolopus psychonothes SCHWARTZ, 1964
• Panolopus saonae SCHWARTZ, 1971
• Pantherophis alleghaniensis (HOLBROOK, 1836)
• Pantherophis emoryi (BAIRD & GIRARD, 1853)
• Pantherophis guttatus (LINNAEUS, 1766)
• Pantherophis obsoletus (SAY, 1823)
• Pantherophis quadrivittatus (HOLBROOK, 1836)
• Pantherophis slowinskii (BURBRINK, 2002)
• Pantherophis vulpinus (BAIRD & GIRARD, 1853)
• Paralaudakia erythrogaster (NIKOLSKY, 1896)
• Paralaudakia himalayana (STEINDACHNER, 1867)
• Paralaudakia lehmanni (NIKOLSKY, 1896)
• Paraphimophis rusticus (COPE, 1878)
• Pareas boulengeri (ANGEL, 1920)
• Pareas carinatus WAGLER, 1830
• Pareas iwasakii (MAKI, 1937)
• Paroedura fasciata GLAW, KÖHLER & VENCES, 2018
• Pedioplanis lineoocellata (DUMÉRIL & BIBRON, 1839)
• Pedioplanis undata (SMITH, 1838)
• Pelochelys cantorii GRAY, 1864
• Pelodiscus huangshanensis GONG, PENG, HUANG, LIN, HUANG, XU, YANG, & NIE, 2021
• Pelodiscus maackii (BRANDT, 1858)
• Pelodiscus parviformis TANG, 1997
• Pelodiscus sinensis (WIEGMANN, 1835)
• Pelodiscus variegatus FARKAS, ZIEGLER, PHAM, ONG & FRITZ, 2019
• Pelomedusa gehafie (RÜPPELL, 1835)
• Pelomedusa subrufa (BONNATERRE, 1789)
• Peltocephalus dumerilianus (SCHWEIGGER, 1812)
• Pelturagonia borneensis (INGER, 1960)
• Pelturagonia cephalum MOCQUARD, 1890
• Pelusios broadleyi BOUR, 1986
• Pelusios gabonensis (DUMÉRIL, 1856)
• Pelusios sinuatus (SMITH, 1838)
• Pelusios subniger (BONNATERRE, 1789)
• Perochirus ateles (DUMÉRIL, 1856)
• Phalotris bilineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phalotris lemniscatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phalotris matogrossensis DE LEMA, D’AGOSTINI & CAPPELLARI, 2005
• Phalotris nasutus (GOMES, 1915)
• Phalotris nigrilatus FERRAREZZI, 1993
• Phalotris spegazzinii (BOULENGER, 1913)
• Phalotris suspectus (AMARAL, 1924)
• Phalotris tricolor (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phelsuma abbotti STEJNEGER, 1893
• Phelsuma antanosy RAXWORTHY & NUSSBAUM, 1993
• Phelsuma dorsivittata MERTENS, 1964
• Phelsuma dubia (BOETTGER, 1881)
• Phelsuma laticauda (BOETTGER, 1880)
• Phelsuma lineata GRAY, 1842
• Phelsuma madagascariensis GRAY, 1831
• Phelsuma modesta MERTENS, 1970
• Phelsuma mutabilis (GRANDIDIER, 1869)
• Phelsuma parva MEIER, 1983
• Phelsuma pasteuri MEIER, 1984
• Phelsuma punctulata MERTENS, 1970
• Philochortus hardeggeri (STEINDACHNER, 1891)
• Philochortus intermedius BOULENGER, 1917
• Philochortus phillipsi (BOULENGER, 1898)
• Philochortus spinalis (PETERS, 1874)
• Philochortus zolii SCORTECCI, 1934
• Philodryas aestiva (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Philodryas agassizii (JAN, 1863)
• Philodryas boliviana BOULENGER, 1896
• Philodryas chamissonis (WIEGMANN, 1835)
• Philodryas erlandi LÖNNBERG, 1902
• Philodryas nattereri (STEINDACHNER, 1870)
• Philodryas olfersii (LICHTENSTEIN, 1823)
• Philodryas patagoniensis (GIRARD, 1858)
• Philodryas psammophidea GÜNTHER, 1872
• Philodryas varia (JAN, 1863)
• Philothamnus brunneus TRAPE, HUGHES & MEDIANNIKOV, 2021
• Philothamnus carinatus (ANDERSSON, 1901)
• Philothamnus dorsalis (BOCAGE, 1866)
• Philothamnus heterodermus (HALLOWELL, 1857)
• Philothamnus hoplogaster (GÜNTHER, 1863)
• Philothamnus irregularis (LEACH, 1819)
• Philothamnus natalensis (SMITH, 1848)
• Philothamnus nitidus (GÜNTHER, 1863)
• Philothamnus ornatus BOCAGE, 1872
• Philothamnus semivariegatus (SMITH, 1840)
• Phimophis guerini (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phimophis guianensis (TROSCHEL, 1848)
• Phisalixella arctifasciata (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Phoenicolacerta troodica (WERNER, 1936)
• Pholidobolus vertebralis (O'SHAUGHNESSY, 1879)
• Pholidoscelis alboguttatus (BOULENGER, 1896)
• Pholidoscelis atratus (GARMAN, 1887)
• Pholidoscelis auberi (COCTEAU, 1838)
• Pholidoscelis chrysolaemus (COPE, 1868)
• Pholidoscelis cineraceus (BARBOUR & NOBLE, 1915)
• Pholidoscelis corvinus (COPE, 1861)
• Pholidoscelis desechensis (HEATWOLE & TORRES, 1967)
• Pholidoscelis dorsalis (GRAY, 1838)
• Pholidoscelis erythrocephalus (SHAW, 1802)
• Pholidoscelis exsul (COPE, 1862)
• Pholidoscelis fuscatus (GARMAN, 1887)
• Pholidoscelis griswoldi (BARBOUR, 1916)
• Pholidoscelis lineolatus (DUMÉRIL & BIBRON, 1839)
• Pholidoscelis major (DUMÉRIL & BIBRON, 1839)
• Pholidoscelis maynardii (GARMAN, 1888)
• Pholidoscelis plei (DUMÉRIL & BIBRON, 1839)
• Pholidoscelis pluvianotatus (GARMAN, 1887)
• Pholidoscelis polops (COPE, 1862)
• Pholidoscelis taeniurus (COPE, 1862)
• Pholidoscelis wetmorei (STEJNEGER, 1913)
• Phrynocephalus erythrurus ZUGMAYER, 1909
• Phrynocephalus helioscopus (PALLAS, 1771)
• Phrynocephalus mystaceus (PALLAS, 1776)
• Phrynocephalus przewalskii STRAUCH, 1876
• Phrynocephalus saidalievi SATTOROV, 1981
• Phrynocephalus strauchi NIKOLSKY, 1899
• Phrynocephalus vlangalii STRAUCH, 1876
• Phrynonax poecilonotus (GÜNTHER, 1858)
• Phrynops geoffroanus (SCHWEIGGER, 1812)
• Phrynops hilarii (DUMÉRIL & BIBRON, 1835)
• Phrynops tuberosus (PETERS, 1870)
• Phrynosoma braconnieri BOCOURT, 1870
• Phrynosoma cerroense STEJNEGER, 1893
• Phrynosoma cornutum (HARLAN, 1825)
• Phrynosoma coronatum (BLAINVILLE, 1835)
• Phrynosoma goodei STEJNEGER, 1893
• Phrynosoma hernandesi GIRARD, 1858
• Phrynosoma modestum GIRARD, 1852
• Phrynosoma orbiculare (LINNAEUS, 1758)
• Phrynosoma ornatissimum GIRARD, 1858
• Phrynosoma platyrhinos GIRARD, 1852
• Phyllodactylus benedettii RAMÍREZ-REYES & FLORES-VILLELA, 2018
• Phyllodactylus lepidopygus (TSCHUDI, 1845)
• Phyllodactylus microphyllus COPE, 1875
• Phyllodactylus pulcher GRAY, 1828
• Phyllodactylus saxatilis DIXON, 1964
• Phyllopezus diamantino DUBEUX, GONÇALVES, PALMEIRA, NUNES, CASSIMIRO, GAMBLE, WERNECK, RODRIGUES & MOTT, 2022
• Phyllopezus periosus RODRIGUES, 1986
• Phyllopezus pollicaris (SPIX, 1825)
• Phyllorhynchus browni STEJNEGER, 1890
• Phyllorhynchus decurtatus (COPE, 1868)
• Phyllurus platurus (SHAW, 1790)
• Phymaturus calcogaster SCOLARO & CEI, 2003
• Phymaturus camilae SCOLARO, JARA & PINCHEIRA-DONOSO, 2013
• Phymaturus ceii SCOLARO & IBARGÜENGOYTÍA, 2007
• Phymaturus extrilidus LOBO, ESPINOZA, SANABRIA & QUIROGA, 2012
• Phymaturus palluma (MOLINA, 1782)
• Phymaturus patagonicus KOSLOWSKY, 1898
• Phymaturus spurcus BARBOUR, 1921
• Phymaturus tenebrosus LOBO & QUINTEROS, 2005
• Physignathus cocincinus CUVIER, 1829
• Pinoyscincus jagori (PETERS, 1864)
• Pituophis catenifer (BLAINVILLE, 1835)
• Pituophis deppei (DUMÉRIL, 1853)
• Pituophis lineaticollis (COPE, 1861)
• Pituophis melanoleucus (DAUDIN, 1803)
• Placosoma glabellum (PETERS, 1870)
• Placosoma limaverdorum BORGES-NOJOSA, CARAMASCHI & RODRIGUES, 2016
• Plagiopholis nuchalis (BOULENGER, 1893)
• Platemys platycephala (SCHNEIDER, 1792)
• Platyceps bholanathi (SHARMA, 1976)
• Platyceps najadum (EICHWALD, 1831)
• Platyceps plinii (MERREM, 1820)
• Platyceps rhodorachis (JAN, 1863)
• Platyceps schmidtleri (SCHÄTTI & MCCARTHY, 2001)
• Platysternon megacephalum GRAY, 1831
• Plestiodon bilineatus (TANNER, 1958)
• Plestiodon callicephalus (BOCOURT, 1879)
• Plestiodon elegans (BOULENGER, 1887)
• Plestiodon laticeps (SCHNEIDER, 1801)
• Plestiodon latiscutatus HALLOWELL, 1861
• Plestiodon longiartus GARCÍA-VÁZQUEZ, PAVÓN-VÁZQUEZ, FERIA-ORTIZ & NIETO-MONTES DE OCA, 2021
• Plestiodon lynxe (WIEGMANN, 1834)
• Plestiodon sumichrasti (COPE, 1867)
• Plestiodon tetragrammus BAIRD, 1859
• Plica caribeana MURPHY & JOWERS, 2013
• Plica medemi MURPHY & JOWERS, 2013
• Plica plica (LINNAEUS, 1758)
• Plica umbra (LINNAEUS, 1758)
• Pliocercus elapoides COPE, 1860
• Podarcis bocagei (LOPEZ-SEOANE, 1885)
• Podarcis carbonelli PÉREZ-MELLADO, 1981
• Podarcis erhardii (BEDRIAGA, 1882)
• Podarcis hispanicus (STEINDACHNER, 1870)
• Podarcis lilfordi (GÜNTHER, 1874)
• Podarcis muralis (LAURENTI, 1768)
• Podarcis siculus (RAFINESQUE-SCHMALTZ, 1810)
• Podarcis tauricus (GEORGI, 1801)
• Podarcis vaucheri (BOULENGER, 1905)
• Podarcis waglerianus GISTEL, 1868
• Podocnemis erythrocephala (SPIX, 1824)
• Podocnemis expansa (SCHWEIGGER, 1812)
• Podocnemis lewyana DUMÉRIL, 1852
• Podocnemis sextuberculata CORNALIA, 1849
• Podocnemis unifilis TROSCHEL, 1848
• Podocnemis vogli MÜLLER, 1935
• Pogona barbata (CUVIER, 1829)
• Pogona vitticeps (AHL, 1926)
• Polychrus acutirostris SPIX, 1825
• Polychrus marmoratus (LINNAEUS, 1758)
• Porthidium lansbergii (SCHLEGEL, 1841)
• Porthidium ophryomegas (BOCOURT, 1868)
• Potamites ecpleopus (COPE, 1875)
• Potamites erythrocularis CHÁVEZ & CATENAZZI, 2014
• Potamites juruazensis (AVILA-PIRES & VITT, 1998)
• Potamites montanicola CHÁVEZ & VÁSQUEZ, 2012
• Potamites strangulatus (COPE, 1868)
• Potamites trachodus (UZZELL, 1966)
• Prasinohaema flavipes (PARKER, 1936)
• Prasinohaema prehensicauda (LOVERIDGE, 1945)
• Pristidactylus achalensis (GALLARDO, 1964)
• Pristidactylus fasciatus (D’ORBIGNY & BIBRON, 1837)
• Pristidactylus nigroiugulus CEI, SCOLARO & VIDELA, 2001
• Pristurus crucifer (VALENCIENNES, 1861)
• Pristurus flavipunctatus RÜPPELL, 1835
• Pristurus guweirensis HAAS, 1943
• Pristurus longipes PETERS, 1871
• Pristurus rupestris BLANFORD, 1874
• Proatheris superciliaris (PETERS, 1855)
• Procellosaurinus erythrocercus RODRIGUES, 1991
• Procellosaurinus tetradactylus RODRIGUES, 1991
• Prosymna meleagris (REINHARDT, 1843)
• Prosymna ruspolii (BOULENGER, 1896)
• Prosymna stuhlmanni (PFEFFER, 1893)
• Protobothrops flavoviridis (HALLOWELL, 1861)
• Protobothrops jerdonii (GÜNTHER, 1875)
• Protobothrops mangshanensis (ZHAO, 1990)
• Protobothrops mucrosquamatus (CANTOR, 1839)
• Psammobates geometricus (LINNAEUS, 1758)
• Psammobates oculifer (KUHL, 1820)
• Psammodromus algirus (LINNAEUS, 1758)
• Psammodromus hispanicus FITZINGER, 1826
• Psammodynastes pulverulentus (BOIE, 1827)
• Psammophilus blanfordanus (STOLICZKA, 1871)
• Psammophilus dorsalis (GRAY, 1831)
• Psammophis angolensis (BOCAGE, 1872)
• Psammophis condanarus (MERREM, 1820)
• Psammophis lineatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Psammophis lineolatus (BRANDT, 1838)
• Psammophis mossambicus PETERS, 1882
• Psammophis phillipsii (HALLOWELL, 1844)
• Psammophis schokari (FORSKÅL, 1775)
• Psammophis sibilans (LINNAEUS, 1758)
• Psammophis subtaeniatus PETERS, 1882
• Psammophis sudanensis WERNER, 1919
• Psammophylax tritaeniatus (GÜNTHER, 1868)
• Pseudagkistrodon rudis (BOULENGER, 1906)
• Pseudechis australis (GRAY, 1842)
• Pseudechis porphyriacus (SHAW, 1794)
• Pseudechis weigeli (WELLS & WELLINGTON, 1987)
• Pseudelaphe flavirufa (COPE, 1867)
• Pseudemys concinna (LE CONTE, 1830)
• Pseudemys gorzugi WARD, 1984
• Pseudemys nelsoni CARR, 1938
• Pseudemys peninsularis CARR, 1938
• Pseudemys rubriventris (LE CONTE, 1830)
• Pseuderemias mucronata (BLANFORD, 1870)
• Pseuderemias striata (PETERS, 1874)
• Pseudoboa coronata SCHNEIDER, 1801
• Pseudoboa neuwiedii (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudoboa nigra (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudoboodon gascae PERACCA, 1897
• Pseudocalotes bapoensis (YANG, SU & LI, 1979)
• Pseudocalotes flavigula (SMITH, 1924)
• Pseudocalotes kingdonwardi (SMITH, 1935)
• Pseudocalotes microlepis (BOULENGER, 1888)
• Pseudocalotes poilani (BOURRET, 1939)
• Pseudocalotes tympanistriga (GRAY, 1831)
• Pseudocalotes ziegleri HALLERMANN, TRUONG, ORLOV & ANANJEVA, 2010
• Pseudocerastes persicus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudocordylus melanotus (SMITH, 1838)
• Pseudoeryx plicatilis (LINNAEUS, 1758)
• Pseudoferania polylepis (FISCHER, 1886)
• Pseudoficimia frontalis (COPE, 1864)
• Pseudogonatodes guianensis PARKER, 1935
• Pseudohaje goldii (BOULENGER, 1895)
• Pseudonaja textilis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Pseudopus apodus (PALLAS, 1775)
• Pseudothecadactylus australis (GÜNTHER, 1877)
• Pseudotrapelus sinaitus (HEYDEN, 1827)
• Pseudoxyrhopus kely RAXWORTHY & NUSSBAUM, 1994
• Pseudoxyrhopus sokosoko RAXWORTHY & NUSSBAUM, 1994
• Psilops mucugensis RODRIGUES, RECODER, TEIXEIRA JR, ROSCITO, GUERRERO, SALES-NUNES, FREITAS, FERNANDES, BOCCHIGLIERI, VECHIO, FORTES-LEITE, CAMPOS NOGUEIRA, DAMASCENO, MACHADO-PELLEGRINO, SUZART-ARGÔLO & AMARO, 2017
• Psilops paeminosus (RODRIGUES, 1991)
• Psychosaura agmosticha (RODRIGUES, 2000)
• Psychosaura macrorhyncha (HOGE, 1946)
• Ptyas korros (SCHLEGEL, 1837)
• Ptyas mucosa (LINNAEUS, 1758)
• Ptyodactylus hasselquistii (DONNDORFF, 1798)
• Pygomeles trivittatus BOULENGER, 1896
• Pygopus lepidopodus (LACÉPÈDE, 1804)
• Pygopus nigriceps (FISCHER, 1882)
• Python bivittatus KUHL, 1820
• Python breitensteini STEINDACHNER, 1881
• Python molurus (LINNAEUS, 1758)
• Python natalensis SMITH, 1840
• Python regius (SHAW, 1802)
• Python sebae (GMELIN, 1789)
• Pyxis arachnoides BELL, 1827
• Pyxis planicauda (GRANDIDIER, 1867)
• Rafetus euphraticus (DAUDIN, 1801)
• Ramphotyphlops erebus KRAUS, 2023
• Ramphotyphlops hatmaliyeb WYNN, REYNOLDS, BUDEN, FALANRUW & LYNCH, 2012
• Ramphotyphlops lineatus (SCHLEGEL, 1839)
• Rankinia diemensis (GRAY, 1841)
• Regina grahamii BAIRD & GIRARD, 1853
• Regina septemvittata (SAY, 1825)
• Rena dulcis BAIRD & GIRARD, 1853
• Rena humilis BAIRD & GIRARD, 1853
• Rhabdophis conspicillatus (GÜNTHER, 1872)
• Rhabdophis plumbicolor (CANTOR, 1839)
• Rhabdophis rhodomelas (BOIE, 1827)
• Rhabdophis subminiatus (SCHLEGEL, 1837)
• Rhabdophis tigrinus (BOIE, 1826)
• Rhabdops aquaticus GIRI, DEEPAK, CAPTAIN & GOWER, 2017
• Rhacodactylus auriculatus (BAVAY, 1869)
• Rhadinaea decorata (GÜNTHER, 1858)
• Rhadinaea fulvivittis COPE, 1875
• Rhadinaea hesperia BAILEY, 1940
• Rhadinaea laureata (GÜNTHER, 1868)
• Rhamnophis aethiopissa GÜNTHER, 1862
• Rhamnophis batesii (BOULENGER, 1908)
• Rhamphiophis maradiensis CHIRIO & INEICH, 1991
• Rhamphiophis rostratus PETERS, 1854
• Rhampholeon plumptrei HUGHES, BEHANGANA, TILBURY, MENEGON, KUSAMBA, & GREENBAUM, 2024
• Rhampholeon tilburyi BRANCH, BAYLISS & TOLLEY, 2014
• Rhinemys rufipes (SPIX, 1824)
• Rhinobothryum bovallii (ANDERSSON, 1916)
• Rhinocheilus lecontei BAIRD & GIRARD, 1853
• Rhinoclemmys diademata (MERTENS, 1954)
• Rhinoclemmys nasuta (BOULENGER, 1902)
• Rhinoclemmys pulcherrima (GRAY, 1855)
• Rhinoclemmys punctularia (DAUDIN, 1801)
• Rhynchocalamus levitoni (TORKI, 2017)
• Riama unicolor GRAY, 1858
• Rieppeleon kerstenii (PETERS, 1868)
• Riolama stellata RECODER, PRATES, MARQUES-SOUZA, CAMACHO, SALES-NUNES, VECHIO, GHELLERE, MCDIARMID & RODRIGUES, 2020
• Riopa albopunctata GRAY, 1846
• Riopa guentheri (PETERS, 1879)
• Riopa punctata (LINNAEUS, 1758)
• Riopa vosmaerii (GRAY, 1839)
• Sacalia bealei (GRAY, 1831)
• Saiphos equalis (GRAY, 1825)
• Salea anamallayana (BEDDOME, 1878)
• Salea horsfieldii GRAY, 1845
• Saltuarius cornutus (OGILBY, 1892)
• Saltuarius moritzi COUPER, SADLIER, SHEA & WORTHINGTON-WILMER, 2008
• Salvadora bairdi JAN, 1860
• Salvadora deserticola SCHMIDT, 1940
• Salvadora grahamiae BAIRD & GIRARD, 1853
• Salvadora hexalepis (COPE, 1867)
• Salvadora lineata SCHMIDT, 1940
• Salvator merianae DUMÉRIL & BIBRON, 1839
• Salvator rufescens (GÜNTHER, 1871)
• Sanzinia madagascariensis (DUMÉRIL & BIBRON, 1844)
• Sauromalus varius DICKERSON, 1919
• Scaphiodontophis annulatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Scaphiodontophis venustissimus (GÜNTHER, 1894)
• Scelarcis perspicillata (DUMÉRIL & BIBRON, 1839)
• Sceloporus aeneus WIEGMANN, 1828
• Sceloporus arenicolus DEGENHARDT & JONES, 1972
• Sceloporus becki VAN DENBURGH, 1905
• Sceloporus bicanthalis SMITH, 1937
• 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 edwardtaylori SMITH, 1936
• Sceloporus formosus WIEGMANN, 1834
• Sceloporus geminus CAMPILLO-GARCÍA, FLORES-VILLELA, BUTLER, BENABIB, CASTIGLIA, 2023
• Sceloporus graciosus BAIRD & GIRARD, 1852
• Sceloporus grammicus WIEGMANN, 1828
• Sceloporus heterolepis BOULENGER, 1895
• Sceloporus horridus WIEGMANN, 1834
• Sceloporus internasalis SMITH & BUMZAHEM, 1955
• Sceloporus jalapae GÜNTHER, 1890
• Sceloporus jarrovii COPE, 1875
• Sceloporus lemosespinali LARA-GÓNGORA, 2004
• Sceloporus maculosus SMITH, 1934
• Sceloporus megalepidurus SMITH, 1934
• Sceloporus melanorhinus BOCOURT, 1876
• Sceloporus merriami STEJNEGER, 1904
• Sceloporus minor COPE, 1885
• Sceloporus mucronatus COPE, 1885
• Sceloporus nelsoni COCHRAN, 1923
• Sceloporus occidentalis BAIRD & GIRARD, 1852
• Sceloporus olivaceus SMITH, 1934
• Sceloporus poinsettii BAIRD & GIRARD, 1852
• Sceloporus salvini GÜNTHER, 1890
• Sceloporus scalaris WIEGMANN, 1828
• Sceloporus shannonorum LANGEBARTEL, 1959
• Sceloporus siniferus COPE, 1870
• Sceloporus slevini SMITH, 1937
• Sceloporus smithi HARTWEG & OLIVER, 1937
• Sceloporus spinosus WIEGMANN, 1828
• Sceloporus sugillatus SMITH, 1942
• Sceloporus taeniocnemis COPE, 1885
• Sceloporus torquatus WIEGMANN, 1828
• Sceloporus tristichus COPE, 1875
• Sceloporus undulatus (BOSC & DAUDIN, 1801)
• Sceloporus unicanthalis SMITH, 1937
• Sceloporus vandenburgianus COPE, 1896
• Sceloporus variabilis WIEGMANN, 1834
• Sceloporus virgatus SMITH, 1938
• Sceloporus woodi STEJNEGER, 1918
• Sceloporus zosteromus COPE, 1863
• Scelotes inornatus (SMITH, 1849)
• Scelotes uluguruensis BARBOUR & LOVERIDGE, 1928
• Scincella cherriei (COPE, 1893)
• Scincella gemmingeri (COPE, 1864)
• Scincella lateralis (SAY, 1822)
• Scincella reevesii (GRAY, 1839)
• Scincus scincus (LINNAEUS, 1758)
• Senticolis triaspis (COPE, 1866)
• Sepsophis punctatus BEDDOME, 1870
• Shinisaurus crocodilurus AHL, 1930
• Siagonodon septemstriatus (SCHNEIDER, 1801)
• Sibon bevridgelyi ARTEAGA, SALAZAR-VALENZUELA, MEBERT, PEÑAFIEL, AGUIAR, SÁNCHEZ-NIVICELA, PYRON, COLSTON, CISNEROS-HEREDIA, YÁNEZ-MUÑOZ, VENEGAS, GUAYASAMIN & TORRES-CARVAJAL, 2018
• Sibon canopy ARTEAGA & BATISTA, 2023
• Sibon dimidiatus (GÜNTHER, 1872)
• Sibon nebulatus (LINNAEUS, 1758)
• Sibynophis bivittatus (BOULENGER, 1894)
• Sibynophis sagittarius (CANTOR, 1839)
• Sibynophis subpunctatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Siderolamprus enneagrammus COPE, 1861
• Siderolamprus rozellae (SMITH, 1942)
• Siebenrockiella crassicollis (GRAY, 1831)
• Simalia amethistina (SCHNEIDER, 1801)
• Simalia boeleni (BRONGERSMA, 1953)
• Simalia clastolepis (HARVEY, BARKER, AMMERMAN & CHIPPINDALE, 2000)
• Sinomicrurus iwasakii (MAKI, 1935)
• Sinomicrurus japonicus (GÜNTHER, 1868)
• Sinomicrurus kelloggi (POPE, 1928)
• Sinomicrurus macclellandi (REINHARDT, 1844)
• Sinomicrurus sauteri (STEINDACHNER, 1913)
• Siphlophis cervinus (LAURENTI, 1768)
• Siphlophis compressus (DAUDIN, 1803)
• Siphlophis longicaudatus (ANDERSSON, 1901)
• Siphlophis pulcher (RADDI, 1820)
• Sistrurus catenatus (RAFINESQUE, 1818)
• Sistrurus miliarius (LINNAEUS, 1766)
• Sistrurus tergeminus (SAY, 1823)
• Sitana ponticeriana CUVIER, 1829
• Smaug giganteus (SMITH, 1844)
• Smaug swazicus BATES & STANLEY, 2020
• Smithophis bicolor (BLYTH, 1855)
• Sonora aemula (COPE, 1879)
• Sonora episcopa (KENNICOTT, 1859)
• Sonora fasciata (COPE, 1892)
• Sonora occipitalis (HALLOWELL, 1854)
• Sonora semiannulata BAIRD & GIRARD, 1853
• Spalerosophis diadema (SCHLEGEL, 1837)
• Sphaerodactylus alphus MCCRANIE & HEDGES, 2013
• Sphaerodactylus armstrongi NOBLE, 1933
• Sphaerodactylus cochranae RUIBAL, 1946
• Sphaerodactylus copei STEINDACHNER, 1867
• Sphaerodactylus cryphius THOMAS & SCHWARTZ, 1977
• Sphaerodactylus darlingtoni SHREVE, 1968
• Sphaerodactylus difficilis BARBOUR, 1914
• Sphaerodactylus grandisquamis STEJNEGER, 1904
• Sphaerodactylus omoglaux THOMAS, 1982
• Sphaerodactylus oxyrhinus GOSSE, 1850
• Sphaerodactylus poindexteri MCCRANIE & HEDGES, 2013
• Sphaerodactylus savagei SHREVE, 1968
• Sphaerodactylus semasiops THOMAS, 1975
• Sphaerodactylus streptophorus THOMAS & SCHWARTZ, 1977
• Sphaerodactylus vincenti BOULENGER, 1891
• Sphaerodactylus zygaena SCHWARTZ, 1977
• Sphenodon punctatus (GRAY, 1842)
• Sphenomorphus cameronicus SMITH, 1924
• Sphenomorphus dussumieri (DUMÉRIL & BIBRON, 1839)
• Sphenomorphus jobiensis (MEYER, 1874)
• Sphenomorphus melanopogon (DUMÉRIL & BIBRON, 1839)
• Sphenomorphus praesignis (BOULENGER, 1900)
• Sphenomorphus puncticentralis ISKANDAR, 1994
• Sphenomorphus sanctus (DUMÉRIL & BIBRON, 1839)
• Sphenomorphus undulatus (PETERS & DORIA, 1878)
• Spilotes pullatus (LINNAEUS, 1758)
• Spilotes sulphureus (WAGLER, 1824)
• Spondylurus sloanii (DAUDIN, 1803)
• Staurotypus salvinii GRAY, 1864
• Staurotypus triporcatus (WIEGMANN, 1828)
• Stegonotus batjanensis (GÜNTHER, 1865)
• Stegonotus cucullatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Stegonotus guentheri BOULENGER, 1895
• Stenocercus albolineatus TEIXEIRA, PRATES, NISA, SILVA-MARTINS, STRÜSSMANN & RODRIGUES, 2015
• Stenocercus boettgeri BOULENGER, 1911
• Stenocercus cupreus BOULENGER, 1885
• Stenocercus empetrus FRITTS, 1972
• Stenocercus omari VENEGAS, ECHEVARRÍA, GARCÍA-BURNEO & KOCH, 2016
• Stenocercus orientalis FRITTS, 1972
• Stenocercus roseiventris D’ORBIGNY in DUMÉRIL & BIBRON, 1837
• Stenocercus squarrosus NOGUEIRA & RODRIGUES, 2006
• Stenodactylus stenurus WERNER, 1899
• Stenodactylus sthenodactylus (LICHTENSTEIN, 1823)
• Stenolepis ridleyi BOULENGER, 1887
• Stenorrhina degenhardtii (BERTHOLD, 1846)
• Sternotherus carinatus (GRAY, 1856)
• Sternotherus odoratus (LATREILLE, 1802)
• Stigmochelys pardalis (BELL, 1828)
• Storeria dekayi (HOLBROOK, 1839)
• Storeria occipitomaculata (STORER, 1839)
• Storeria storerioides (COPE, 1866)
• Strobilurus torquatus WIEGMANN, 1834
• Strophurus krisalys SADLIER, 2005
• Strophurus williamsi (KLUGE, 1963)
• Sundatyphlops polygrammicus (SCHLEGEL, 1839)
• Suta gouldii (GRAY, 1841)
• Suta suta (PETERS, 1863)
• Sympholis lippiens COPE, 1862
• Tachymenis ocellata DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Tachymenis trigonatus (LEYBOLD, 1873)
• Tachymenoides affinis BOULENGER, 1896
• Tachymenoides goodallae LEHR, LUNDBERG, CUSI, SITES, TORRES & AGUILAR-PUNTRIANO, 2025
• Taeniophallus brevirostris (PETERS, 1863)
• Takydromus sexlineatus DAUDIN, 1802
• Tantalophis discolor (GÜNTHER, 1860)
• Tantilla atriceps (GÜNTHER, 1895)
• Tantilla bocourti (GÜNTHER, 1895)
• Tantilla briggsi SAVITZKY & SMITH, 1971
• Tantilla calamarina COPE, 1866
• Tantilla coronata BAIRD & GIRARD, 1853
• Tantilla cuniculator SMITH, 1939
• Tantilla excelsa MCCRANIE & SMITH, 2017
• Tantilla flavilineata SMITH & BURGER, 1950
• Tantilla gottei MCCRANIE & SMITH, 2017
• Tantilla gracilis BAIRD & GIRARD, 1853
• Tantilla impensa CAMPBELL, 1998
• Tantilla johnsoni WILSON, VAUGHN & DIXON, 1999
• Tantilla melanocephala (LINNAEUS, 1758)
• Tantilla moesta (GÜNTHER, 1863)
• Tantilla oaxacae WILSON & MEYER, 1971
• Tantilla planiceps (BLAINVILLE, 1835)
• Tantilla rubra COPE, 1875
• Tantilla slavensi PÉREZ-HIGAREDA, SMITH & SMITH, 1985
• Tantilla stenigrammi MCCRANIE & SMITH, 2017
• Tantilla striata DUNN, 1928
• Tantilla supracincta (PETERS, 1863)
• Tantilla taeniata BOCOURT, 1883
• Tantilla tayrae WILSON, 1983
• Tantilla trilineata (PETERS, 1880)
• Tantilla triseriata SMITH & SMITH, 1951
• Tantilla tritaeniata SMITH & WILLIAMS, 1966
• Tantilla vulcani CAMPBELL, 1998
• Tantilla wilcoxi STEJNEGER, 1902
• Tantilla yaquia SMITH, 1942
• Tantillita canula (COPE, 1875)
• Tarentola americana (GRAY, 1831)
• Tarentola ephippiata O'SHAUGHNESSY, 1875
• Tarentola mauritanica (LINNAEUS, 1758)
• Tarentola panousei PASTEUR, 1959
• Teira dugesii (MILNE-EDWARDS, 1829)
• Teius teyou (DAUDIN, 1802)
• Telescopus dhara (FORSKÅL, 1775)
• Telescopus semiannulatus SMITH, 1849
• Telescopus somalicus (PARKER, 1949)
• Tenuidactylus caspius (EICHWALD, 1831)
• Tenuidactylus fedtschenkoi (STRAUCH, 1887)
• Teratoscincus bedriagai NIKOLSKY, 1900
• Teratoscincus scincus (SCHLEGEL, 1858)
• Terrapene carolina (LINNAEUS, 1758)
• Terrapene coahuila SCHMIDT & OWENS, 1944
• Terrapene mexicana (GRAY, 1849)
• Terrapene triunguis (AGASSIZ, 1857)
• Testudo graeca LINNAEUS, 1758
• Testudo hermanni GMELIN, 1789
• Testudo horsfieldii GRAY, 1844
• Testudo kleinmanni LORTET, 1883
• Testudo marginata SCHOEPFF, 1792
• Tetracheilostoma bilineatum (SCHLEGEL, 1839)
• Thamnodynastes longicaudus FRANCO, FERREIRA, MARQUES & SAZIMA, 2003
• Thamnodynastes pallidus (LINNAEUS, 1758)
• Thamnodynastes silvai TREVINE, CAICEDO-PORTILLA, HOOGMOED, THOMAS, FRANCO, MONTINGELLI, OSORNO-MUÑOZ & ZAHER, 2021
• Thamnophis ahumadai GRÜNWALD, MENDOZA-PORTILLA, GRÜNWALD, MONTAÑO-RUVALCABA, FRANZ-CHÁVEZ, GARCÍA-VÁZQUEZ & REYES-VELASCO, 2024
• Thamnophis atratus KENNICOTT, 1860
• Thamnophis butleri (COPE, 1889)
• Thamnophis couchii (KENNICOTT, 1859)
• Thamnophis cyrtopsis (KENNICOTT, 1860)
• Thamnophis elegans (BAIRD & GIRARD, 1853)
• Thamnophis eques (REUSS, 1834)
• Thamnophis errans SMITH, 1942
• Thamnophis exsul ROSSMAN, 1969
• Thamnophis foxi ROSSMAN & BLANEY, 1968
• Thamnophis hammondii (KENNICOTT, 1860)
• Thamnophis marcianus (BAIRD & GIRARD, 1853)
• Thamnophis melanogaster (PETERS, 1864)
• Thamnophis nigronuchalis THOMPSON, 1957
• Thamnophis ordinoides (BAIRD & GIRARD, 1852)
• Thamnophis postremus SMITH, 1942
• Thamnophis proximus (SAY, 1823)
• Thamnophis pulchrilatus (COPE, 1885)
• Thamnophis radix (BAIRD & GIRARD, 1853)
• Thamnophis saurita (LINNAEUS, 1766)
• Thamnophis scalaris COPE, 1861
• Thamnophis scaliger (JAN, 1863)
• Thamnophis sirtalis (LINNAEUS, 1758)
• Thamnophis unilabialis TANNER, 1985
• Thamnosophis infrasignatus (GÜNTHER, 1882)
• Thamnosophis lateralis (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Thecadactylus rapicauda (HOUTTUYN, 1782)
• Thelotornis capensis SMITH, 1849
• Thelotornis kirtlandii (HALLOWELL, 1844)
• Thelotornis mossambicanus (BOCAGE, 1895)
• Thrasops flavigularis (HALLOWELL, 1852)
• Thrasops jacksonii GÜNTHER, 1895
• Tiliqua rugosa (GRAY, 1825)
• Tiliqua scincoides (WHITE, 1790)
• Timon lepidus (DAUDIN, 1802)
• Timon pater (LATASTE, 1880)
• Tomodon dorsatus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Toxicodryas adamantea GREENBAUM, ALLEN, VAUGHAN, PAUWELS, WALLACH, KUSAMBA, MUNINGA, ARISTOTE, MALI, BADJEDJEA, PENNER, RÖDEL, RIVERA, STERKHOVA, JOHNSON, TAPONDJOU & BROWN, 2021
• Toxicodryas blandingii (HALLOWELL, 1844)
• Toxicodryas pulverulenta (FISCHER, 1856)
• Toxicodryas vexator GREENBAUM, ALLEN, VAUGHAN, PAUWELS, WALLACH, KUSAMBA, MUNINGA, ARISTOTE, MALI, BADJEDJEA, PENNER, RÖDEL, RIVERA, STERKHOVA, JOHNSON, TAPONDJOU & BROWN, 2021
• Trachemys adiutrix VANZOLINI, 1995
• Trachemys callirostris (GRAY, 1855)
• Trachemys decussata (GRAY, 1831)
• Trachemys dorbigni (DUMÉRIL & BIBRON, 1835)
• Trachemys nebulosa (VAN DENBURGH, 1895)
• Trachemys ornata (GRAY, 1831)
• Trachemys scripta (THUNBERG, 1792)
• Trachemys terrapen (BONNATERRE, 1789)
• Trachemys venusta (GRAY, 1856)
• Trachischium reticulata (BLYTH, 1855)
• Trachylepis acutilabris (PETERS, 1862)
• Trachylepis adamastor CERIACO, 2015
• Trachylepis affinis (GRAY, 1839)
• Trachylepis albilabris (HALLOWELL, 1857)
• Trachylepis boettgeri (BOULENGER, 1887)
• Trachylepis brevicollis (WIEGMANN, 1837)
• Trachylepis capensis (GRAY, 1831)
• Trachylepis elegans (PETERS, 1854)
• Trachylepis farooqii BARBOSA, PARRINHA, MARQUES, HARUN, SOUSA-RECODER, SENA, BILA, INEICH, FERNANDES, PASSOS, RODRIGUES & CERÍACO, 2025
• Trachylepis gravenhorstii (DUMÉRIL & BIBRON, 1839)
• Trachylepis hildebrandtii (PETERS, 1874)
• Trachylepis maculilabris (GRAY, 1845)
• Trachylepis notabilis (PETERS, 1879)
• Trachylepis paucisquamis (HOOGMOED, 1978)
• Trachylepis perrotetii (DUMÉRIL & BIBRON, 1839)
• Trachylepis polytropis (BOULENGER, 1903)
• Trachylepis quinquetaeniata (LICHTENSTEIN, 1823)
• Trachylepis spilogaster (PETERS, 1882)
• Trachylepis striata (PETERS, 1844)
• Trachylepis thomensis CERÍACO, MARQUES & BAUER, 2016
• Trachylepis varia (PETERS, 1867)
• Trachylepis wahlbergii (PETERS, 1870)
• Trachylepis wingati (WERNER, 1908)
• Trapelus agilis (OLIVIER, 1807)
• Tretanorhinus nigroluteus COPE, 1861
• Tretanorhinus variabilis DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Tretioscincus agilis (RUTHVEN, 1916)
• Tretioscincus bifasciatus (DUMÉRIL, 1851)
• Tribolonotus novaeguineae (SCHLEGEL, 1834)
• Trilepida dimidiata (JAN, 1861)
• Trilepida macrolepis (PETERS, 1858)
• Trimeresurus albolabris GRAY, 1842
• Trimeresurus cantori (BLYTH, 1846)
• Trimeresurus cyanolabris IDIIATULLINA, NGUYEN, BRAGIN, PAWANGKHANANT, LE, VOGEL, DAVID & POYARKOV, 2024
• Trimeresurus insularis KRAMER, 1977
• Trimeresurus mcgregori TAYLOR, 1919
• Trimeresurus popeiorum SMITH, 1937
• Trimeresurus sabahi REGENASS & KRAMER, 1981
• Trimeresurus septentrionalis KRAMER, 1977
• Trimeresurus stejnegeri SCHMIDT, 1925
• Trimeresurus sumatranus (RAFFLES, 1822)
• Trimerodytes annularis (HALLOWELL, 1856)
• Trimerodytes balteatus COPE, 1895
• Trimerodytes praemaxillaris (ANGEL, 1929)
• Trimorphodon biscutatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
• Trimorphodon lyrophanes (COPE, 1860)
• Trimorphodon vilkinsonii COPE, 1886
• Trioceros ituriensis (SCHMIDT, 1919)
• Trioceros laterispinis (LOVERIDGE, 1932)
• Trioceros werneri (TORNIER, 1899)
• Trionyx triunguis (FORSKÅL, 1775)
• Trogonophis wiegmanni KAUP, 1830
• Tropicagama temporalis (GÜNTHER, 1867)
• Tropidodipsas fasciata GÜNTHER, 1858
• Tropidodipsas fischeri (BOULENGER, 1894)
• Tropidodipsas philippii (JAN, 1863)
• Tropidodryas serra (SCHLEGEL, 1837)
• Tropidodryas striaticeps (COPE, 1870)
• Tropidolaemus wagleri (BOIE, 1827)
• Tropidonophis elongatus (JAN, 1865)
• Tropidonophis halmahericus (BOETTGER, 1895)
• Tropidonophis mairii (GRAY, 1841)
• Tropidonophis montanus (LIDTH DE JEUDE, 1911)
• Tropidonophis picturatus (SCHLEGEL, 1837)
• Tropidonophis punctiventris (BOETTGER, 1895)
• Tropidonophis truncatus (PETERS, 1863)
• Tropidophis paucisquamis (MÜLLER, 1901)
• Tropidophorus brookei (GRAY, 1845)
• Tropidosaura montana (GRAY, 1831)
• Tropidurus cocorobensis RODRIGUES, 1987
• Tropidurus erythrocephalus RODRIGUES, 1987
• Tropidurus etheridgei CEI, 1982
• Tropidurus helenae (MANZANI & ABE, 1990)
• Tropidurus hispidus (SPIX, 1825)
• Tropidurus mucujensis RODRIGUES, 1987
• Tropidurus oreadicus RODRIGUES, 1987
• Tropidurus psammonastes RODRIGUES, KASAHARA, YONENAGA-YASSUDA, 1988
• Tropidurus semitaeniatus (SPIX, 1825)
• Tropidurus spinulosus (COPE, 1862)
• Tropidurus torquatus (WIED-NEUWIED, 1820)
• Tropiocolotes tripolitanus PETERS, 1880
• Tupinambis matipu SILVA, RIBEIRO-JÚNIOR & ÁVILA-PIRES, 2018
• Tupinambis quadrilineatus MANZANI & ABE, 1997
• Tupinambis teguixin (LINNAEUS, 1758)
• Tympanocryptis osbornei MELVILLE, CHAPLIN, HUTCHINSON, SUMNER, GRUBER, MACDONALD & SARRE, 2019
• Tympanocryptis rustica MELVILLE, CHAPLIN, HIPSLEY, SARRE, SUMNER & HUTCHINSON, 2019
• Typhlops capitulatus RICHMOND, 1964
• Typhlops leptolepis DOMÍNGUEZ, FONG & ITURRIAGA, 2013
• Tytthoscincus butleri (BOULENGER, 1912)
• Tytthoscincus cophias BOULENGER, 1908
• Tytthoscincus temmincki (DUMÉRIL & BIBRON, 1839)
• Uma notata BAIRD, 1858
• Uma scoparia COPE, 1894
• Underwoodisaurus milii (BORY DE SAINT-VINCENT, 1823)
• Uracentron azureum (LINNAEUS, 1758)
• Uranoscodon superciliosus (LINNAEUS, 1758)
• Uromacer catesbyi (SCHLEGEL, 1837)
• Uromacer oxyrhynchus DUMÉRIL, BIBRON & DUMÉRIL, 1854
• Uromastyx aegyptia (FORSKÅL, 1775)
• Uromastyx dispar HEYDEN, 1827
• Uromastyx ornata HEYDEN, 1827
• Uromastyx princeps O'SHAUGHNESSY, 1880
• Uropeltis pulneyensis (BEDDOME, 1863)
• Urosaurus auriculatus (COPE, 1871)
• Urosaurus bicarinatus (DUMÉRIL, 1856)
• Urosaurus clarionensis (TOWNSEND, 1890)
• Urosaurus gadovi (SCHMIDT, 1921)
• Urosaurus graciosus HALLOWELL, 1854
• Urosaurus lahtelai RAU & LOOMIS, 1977
• Urosaurus microscutatus (VAN DENBURGH, 1894)
• Urosaurus nigricauda (COPE, 1864)
• Urosaurus ornatus (BAIRD & GIRARD, 1852)
• Urostrophus longicauda (BOULENGER, 1891)
• Urostrophus undulatus (WIEGMANN, 1834)
• Urostrophus vautieri DUMÉRIL & BIBRON, 1837
• Urotheca guentheri (DUNN, 1938)
• Vanzosaura multiscutata (AMARAL, 1933)
• Vanzosaura rubricauda (BOULENGER, 1902)
• Varanus albigularis (DAUDIN, 1802)
• Varanus beccarii (DORIA, 1874)
• Varanus bengalensis (DAUDIN, 1802)
• Varanus boehmei JACOBS, 2003
• Varanus bogerti MERTENS, 1950
• Varanus caspius (EICHWALD, 1831)
• Varanus caudolineatus BOULENGER, 1885
• Varanus chlorostigma (GRAY, 1831)
• Varanus dumerilii SCHLEGEL, 1839
• Varanus flavescens (HARDWICKE & GRAY, 1827)
• Varanus griseus (DAUDIN, 1803)
• Varanus indicus (DAUDIN, 1802)
• Varanus keithhornei (WELLS & WELLINGTON, 1985)
• Varanus komodoensis OUWENS, 1912
• Varanus kordensis (MEYER, 1874)
• Varanus macraei BÖHME & JACOBS, 2001
• Varanus marmoratus (WIEGMANN, 1834)
• Varanus nebulosus (GRAY, 1831)
• Varanus niloticus (LINNAEUS, 1766)
• Varanus prasinus (SCHLEGEL, 1839)
• Varanus rudicollis (GRAY, 1845)
• Varanus salvator (LAURENTI, 1768)
• Varanus varius (SHAW, 1790)
• Vermicella annulata (GRAY, 1841)
• Vipera ammodytes (LINNAEUS, 1758)
• Vipera aspis (LINNAEUS, 1758)
• Vipera berus (LINNAEUS, 1758)
• Vipera dinniki NIKOLSKY, 1913
• Vipera eriwanensis (REUSS, 1933)
• Vipera kaznakovi NIKOLSKY, 1909
• Vipera meridionalis BOULENGER, 1903
• Vipera ursinii (BONAPARTE, 1835)
• Virginia striatula (LINNAEUS, 1766)
• Virginia valeriae BAIRD & GIRARD, 1853
• Wetmorena surda SCHWARTZ, 1965
• Woodworthia maculata (GRAY, 1845)
• Xantusia arizonae KLAUBER, 1931
• Xantusia bolsonae WEBB, 1970
• Xantusia extorris WEBB, 1965
• Xantusia gilberti VAN DENBURGH, 1895
• Xantusia gracilis GRISMER & GALVAN, 1986
• Xantusia henshawi STEJNEGER, 1893
• Xantusia sierrae BEZY, 1967
• Xantusia vigilis BAIRD, 1859
• Xenagama batillifera (VAILLANT, 1882)
• Xenagama taylori (PARKER, 1935)
• Xenochrophis cerasogaster (CANTOR, 1839)
• Xenochrophis trianguligerus (BOIE, 1827)
• Xenodermus javanicus REINHARDT, 1836
• Xenodon dorbignyi (BIBRON, 1854)
• Xenodon merremii (WAGLER, 1824)
• Xenodon neuwiedii GÜNTHER, 1863
• Xenodon rabdocephalus (WIED-NEUWIED, 1824)
• Xenodon severus (LINNAEUS, 1758)
• Xenopeltis unicolor REINWARDT, 1827
• Xenopholis scalaris (WUCHERER, 1861)
• Xenopholis undulatus (JENSEN, 1900)
• Xenosaurus agrenon KING & THOMPSON, 1968
• Xenosaurus arboreus LYNCH & SMITH, 1965
• Xenosaurus grandis (GRAY, 1856)
• Xenosaurus manipulus NIETO-MONTES DE OCA, CASTRESANA-VILLANUEVA, CANSECO-MÁRQUEZ & CAMPBELL, 2022
• Xenosaurus rackhami STUART, 1941
• Xenosaurus rectocollaris SMITH & IVERSON, 1993
• Xenosaurus sanmartinensis WERLER & SHANNON, 1961
• Xenoxybelis argenteus (DAUDIN, 1803)
• Zamenis longissimus (LAURENTI, 1768)
• Zamenis scalaris (SCHINZ, 1822)
• Zamenis situla (LINNAEUS, 1758)
• Zonateres lanei BAILEY, THOMAS & DA SILVA, 2005
• Zonosaurus anelanelany RASELIMANANA, RAXWORTHY & NUSSBAUM, 2000
• Zonosaurus laticaudatus (GRANDIDIER, 1869)
• Zonosaurus madagascariensis (GRAY, 1831)
• Zonosaurus maximus BOULENGER, 1896
• Zootoca vivipara (LICHTENSTEIN, 1823)

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