Reptilia Laurenti, 1768
Acrochordidae Bonaparte, 1831
Adamisaurus Sulimski, 1972
Agamidae Gray, 1827
Aigialosauridae Kramberger, 1892
Aiolosaurus Gao & Norell, 2000
Altanteius Alifanov, 1993
Amphisbaenia
Amphisbaenidae Gray, 1865
Amphorosteus Gibbes, 1851
Anchaurosaurus Keqin & Lianhai, 1995
Anguidae Gray, 1825
Aniliidae Stejneger, 1907
Anniellidae
Anomalepidae
Anomalepididae Taylor, 1939
Anomalopheidae
Anomalophiidae
Anomochilidae Cundall, Wallach & Rossman, 1993
Anqingosaurus Hou, 1976
×Antusiidae
Aocnodromeus Gao & Fox, 1996
Aphanizocnemus Dal Sasso & Pinna, 1997
Ardeosauridae Camp, 1923
Arretosauridae Gilmore, 1943
Atractaspididae Günther, 1858
Australophis
Austrolaemus Laurent, 1995
Baabdasaurus Arnold, Azar, Ineich & Nel, 2002
Bainguidae Borsuk-Bialynicka, 1984
Balnealacerta Evans, 1998
Barungoia Alifanov, 1993
Bavarisauridae Kuhn, 1961
Bellairsia Evans, 1998
Bharatagama Evans, Prasad & Manhas, 2002
Bicuspis Loveridge, 1956
Bipedidae Taylor, 1951
Boidae Gray, 1825
Bolyeridae
Bolyeriidae Hoffstetter, 1946
Bothriagenys Nydam, 2002
Calabariidae
Calamariidae
Carolinidae Borsuk-Bialynicka, 1985
Carphodactylidae
Carusiidae
Caucasilacerta Harris, Arnold & Thomas, 1998
Chamaeleognathus Alifanov, 1996
Chamaeleonidae Gray, 1825
Changetisaurus Nessov, 1992
Changisaurus Young, 1959
Cherminsaurus Sulimski, 1975
Chiangjiangosaurus Hou, 1976
Chubutophis Albino, 1993
Cnephasaurus Gao & Fox, 1996
Colubridae Oppel, 1811
Conantophis Holman & Harrison, 2000
Coniasaurus Owen, 1850
Cordylidae Mertens, 1937
Corytophanidae
Cretagama Alifanov, 1996
Criptolepis Vorob'eva, 1975
Crotalidae
Crotaphytidae
Cuencasaurus Richter, 1994
Cylindrophiidae Fitzinger, 1843
Dibamidae Boulenger, 1884
Dicothodon Nydam, 1999
Dimekodontosaurus Nydam, 2002
Dinilysia Woodward, 1901
Dinilysiidae Romer, 1956
Diplodactylidae Underwood, 1954
Dipsadidae Bonaparte, 1840
Dolichosauridae Gervais, 1852
Dolichosaurus Owen, 1850
Domerguella Pasteur, 1965
Dormaalisaurus Auge & Smith, 2002
Dorsetisauridae Hoffstetter, 1967
Durotrigia Hoffstetter, 1967
Dzhadochtosaurus Alifanov, 1993
Edlartetia Auge & Rage, 2000
Elapidae F. Boie, 1827
Emmochliphios Fritts & Smith, 1969
×Enodermatidae
×Enopeltidae
×Enosauridae
Eoseirenis Nagy, Schmidtler, Joger & Wink, 2003
Eoxanta Borsuk-Bialynicka, 1988
Erdenetesaurus Sulimski, 1975
Erycidae Bonaparte, 1825
Estesia
Eublepharidae
Eupodophis Rage & Escuillie, 2002
Euposauridae Camp, 1923
Floridaophis Holman, 1999
Fulengia Carroll & Galton, 1977
Garthius Malhotra & Thorpe, 2004
Gekkonidae Gray, 1825
Gekkoolithus Hirsch, 1996
Gerrhosauridae
Gilmoreteius Langer, 1998
Gladidenagama Alifanov, 1996
Globaura Borsuk-Bialynicka, 1988
Gobiderma
Gobinatus Alifanov, 1993
Goinophis Holman, 1976
Goronyosaurus Azzaroli, De Giuli, Ficcarelli & Torre, 1972
Gurvansaurus Alifanov, 1993
Gymnophthalmidae
Haasia Polcyn, Tchernov & Jacobs, 1999
Harmodontosaurus Nydam, 2002
Harrisonsaurus Holman, 1981
Headonophis Holman, 1993
Helagras Cope, 1883
Helodermatidae Gray, 1837
Holcodus Gibbes, 1850
Holmanisaurus Rossmann, 1999
Homalopsidae
Hoplocercidae
Hordleophis Holman, 1996
Hoyalacerta Evans & Barbadillo, 1999
Hydrophiidae
Hymenosaurus Gao & Norell, 2000
Hyporhinidae Baur, 1893
Ida Gray, 1838
Igua Borsuk-Bialynicka & Alifanov, 1991
Iguanidae Gray, 1827
Iguanosauriscus Kuhn, 1958
Iguanosaurus Ritgen, 1828
Ilerdaesaurus Hoffstetter, 1966
Incongruelaps Scanlon, Lee & Archer, 2003
Isodontosauridae Alifanov, 1993
Isodontosaurus Gilmore, 1943
Jeholacerta Ji & Ren, 1999
Judeasaurus
Kaganaias
Keniabitis Lenk, Herrmann, Joger & Wink, 1999
Komensaurus
Kourisodon Nicholls & Meckert, 2002
Krebsophis Rage & Werner, 1999
Kuehneosauridae Romer, 1966
Kuwajimalla
Labrodioctes Gao & Fox, 1996
Lacertidae Bonaparte, 1831
Lacertipus Haubold, 1971
Lamprophiidae
Lanthanotidae Steindachner, 1877
Lanthonotidae
Lapparantophiidae
Lapparentopheidae Hoffstetter, 1968
Laticaudidae
Leiosauridae
Leptotyphlopidae Stejneger, 1892
Litakis Estes, 1964
Loganiosaura Kohler, Schroth & Streit, 2000
Loxocemidae Cope, 1861
Macrocephalosauridae Sulimski, 1975
Macrocephalosaurus Gilmore, 1943
Madtsoiidae Hoffstetter, 1961
Manangyasaurus McCord, 1998
Mergenagama Keqin & Dashzeveg, 1999
Mimeosaurus Gilmore, 1943
Moniopterus Hatai, Masuda & Noda, 1974
Morunasius Alifanov, 1996
Mosasauridae Gervais, 1853
Myrmecodaptria Gao & Norell, 2000
Natricidae
Necrosauridae Hoffstetter, 1943
Nigerophiidae Rage, 1975
Oelofsea Steyn & Mitchell, 1965
Oligodontosauridae Estes, 1975
Olindalacerta Evans & Yabumoto, 1998
Opetiosaurus Kornhuber, 1902
Opluridae
Ornatocephalus Weber, 2004
Orthrioscincus Gao & Fox, 1996
Oxiella Evans, 1998
Pachygenys Gao & Cheng, 1999
Pachyophiidae Nopcsa, 1923
Paikasisaurus Yadagiri, 1986
Palaeophiidae Lydekker, 1888
Paliguanidae
Papusaurus Mertens, 1962
Paradracaena Sullivan & Estes, 1997
Paraglyphanodon Gilmore, 1940
Paramacellodidae Estes, 1983
Parameiva Alifanov, 1993
Paraphrynosoma Sullivan & Holman, 1996
Paraplatyspondylia Holman & Harrison, 1998
Parasaniwidae Estes, 1964
Parasaurillus Evans & Searle, 2002
Parasibynophis Leviton & Munsterman, 1956
Parastenophis Domergue, 1994
Paravaranidae Borsuk-Bialynicka, 1984
Paraxestops Hoffstetter, 1962
Pareatidae
Parmeosaurus Gao & Norell, 2000
Parviderma
Parviraptor Evans, 1994
Penemabuya Gao & Fox, 1996
Philippinosaurus Mertens, 1959
Phisalixella Domergue, 1994
Phrynosomatidae
Phrynosomimus Alifanov, 1996
Phyllodactylidae
Pleurodontagama Borsuk-Bialynicka & Moody, 1984
Polrussia Borsuk-Bialynicka & Alifanov, 1991
Polychrotidae
Primaderma Nydam, 2000
Priscagama Borsuk-Bialynicka & Moody, 1984
Procerophis Rage, Folie, Rana, Singh, Rose & Smith, 2008
Prodenteia Alifanov, 1993
Proegernia Martin, Hutchinson, Meredith, Case & Pledge, 2004
Proplatynotia
Protolacerta Casamiquela, 1975
Psammophiidae
Pseudomoia Fuhn, 1967
Pseudoxenodontidae
Pygopodidae Boulenger, 1884
Pyramicephalosaurus
Pyrenesaura Arribas, 1999
Pythonidae Fitzinger, 1826
Quercygama Auge & Smith, 1997
Rhineuridae Vanzolini, 1951
Russellopheidae
Russellophis Rage, 1975
Russelophiidae
Sakurasaurus Evans & Manabe, 1999
Sampoderma Bogert & Campo, 1956
Saurosternidae Haughton, 1924
Scandensia Evans & Barbadillo, 1998
Schilleria Evans & Chure, 1999
Scincidae Gray, 1825
Scleroporus
Shinisauridae
Simoliopheidae
Simoliophiidae
Sineoamphisbaena Wu, Brinkman, Russell, Dong, Currie, Hou & Cui, 1993
Slavoia Sulimski, 1984
Soterosaurus Ziegler & Bohme, 1997
Sphaerodactylidae
Stypodontosaurus Gao & Fox, 1996
Succinilacerta Bohme & Weitschat, 1998
Talosaurus Keqin & Dashzeveg, 1999
Tarratosaurus Broschinski & Sigogneau-Russell, 1996
Tauntonophis Parmley & Walker, 2003
Tchingisaurus Alifanov, 1993
Teiidae Gray, 1827
Tepexisaurus Reynoso & Callison, 2000
Tethysaurus Bardet, Suberbiola & Jalil, 2003
Thaumastophis Rage, Folie, Rana, Singh, Rose & Smith, 2008
Tianyusaurus
Tikiguania
Totlandophis Holman & Harrison, 1998
Tripennaculus
Trogonophidae Gray, 1865
Tropidophiidae Brongersma, 1951
Tropiduridae
Tuscahomaophis Holman & Case, 1992
Typhlopidae Merrem, 1820
Uropeltidae Müller, 1832
Varanidae Hardwicke & Gray, 1824
Vectophis Rage & Ford, 1980
Veetophis Rage & Ford, 1980
Viperidae Oppel, 1811
Xantusiidae Baird, 1858
Xenopeltidae Bonaparte, 1845
Xenosauridae Cope, 1866
Xihaina Keqin & Lianhai, 1995
Yaguarasaurus Paramo, 1994
Zephyrosauridion Gao & Dashzeveg, 1999
Zephyrosaurus Gao & Dashzeveg, 1999