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Squamata (squamates)

Reptilia

Taxonomy
Squamata was named by Oppel (1811). It is extant. It was considered monophyletic by Estes et al. (1988) and Konishi et al. (2012) and Evans and Wang (2012).

It was reranked as the superorder Squamata by Osborn (1903), Osborn (1904), Hay (1930) and Sullivan (1986); it was synonymized subjectively with Lyognatha by Jaekel (1910); it was synonymized subjectively with Lyognathi by Jaekel (1911); it was synonymized subjectively with Saurophidia by Perrier (1928); it was misspelled as Squamati by Quenstedt (1882), Woodward (1898), Hay (1902), Osborn (1903), Andrews (1906), Lambe (1908), Williston (1917), Swinton (1934), Roxo (1937), Kuhn (1946), Huene (1954), Kuhn (1966), Schatzinger (1980), Thurmond and Jones (1981), Holman (1982), Gardiner (1982), Carroll (1982), Stritzke (1983), Benton (1985), Estes et al. (1988), Carroll (1988), Holman et al. (1991), Lingham-Soliar (1995), Gao and Fox (1996), Frank and Ramus (1996), Peng et al. (2001), Sepkoski (2002), Meyer and Zardoya (2003), Krause et al. (2003), Martinelli and Forasiepi (2004), Datta and Ray (2006), Venczel and Stiuca (2008), Komishi and Caldwell (2009), Böhme (2010), Konishi and Caldwell (2011), Fernicola and Albino (2012), Konishi et al. (2012), Evans and Wang (2012), Palci et al. (2013), Garcia et al. (2015), González Ruiz et al. (2019) and Strong et al. (2020); it was reranked as the unranked clade Squamata by Fitzinger (1826), Norell and de Queiroz (1991), Nicholls and Meckert (2002), Kiernan and Ebersole (2023), de Carvalho and Santucci (2023), Plasse et al. (2024) and Rivera-Sylva et al. (2024).

It was assigned to Monopnoa by Fitzinger (1826); to Sauri by Quenstedt (1882); to Diapsida by Osborn (1903), Osborn (1903) and Osborn (1904); to Monotreta by Hay (1930); to Parapsida by Williston (1917) and Roxo (1937); to Neosauromorpha by Huene (1954); to Lepidosauria by Thurmond and Jones (1981), Carroll (1982), Stritzke (1983) and Sullivan (1986); to Lepidosauria by Kuhn (1966), Benton (1985), Carroll (1988), Gao and Fox (1996), Peng et al. (2001), Meyer and Zardoya (2003), Krause et al. (2003), Martinelli and Forasiepi (2004), Datta and Ray (2006) and Evans and Wang (2012); to Lepidosauria by Gardiner (1982), Estes et al. (1988), Norell and de Queiroz (1991), Nicholls and Meckert (2002) and Rivera-Sylva et al. (2024); and to Reptilia by Woodward (1898), Hay (1902), Andrews (1906), Lambe (1908), Swinton (1934), Kuhn (1946), Schatzinger (1980), Holman (1982), Holman et al. (1991), Lingham-Soliar (1995), Frank and Ramus (1996), Sepkoski (2002), Venczel and Stiuca (2008), Komishi and Caldwell (2009), Böhme (2010), Konishi and Caldwell (2011), Fernicola and Albino (2012), Konishi et al. (2012), Palci et al. (2013), Garcia et al. (2015), González Ruiz et al. (2019), Strong et al. (2020), Kiernan and Ebersole (2023), de Carvalho and Santucci (2023) and Plasse et al. (2024).

Subtaxa
Ameivoidea, Amphisbaenia (syn. Annulati), Anguimorpha, Anhuisaurus, Anomalopsis, Anqingosaurus, Araeoscelomorphi, Ardeosaurus, Asagaolacerta, Bavarisaurus, Changjiangosaurus, Cryptovaranoides, Cuencasaurus, Dibamidae, Draconoidea, Eichstaettisaurus (syn. Broilisaurus), Episquamata, Gekkonomorpha, Hakuseps, Haplodontosaurus, Harpagosaurus excedens, Hongshanxi, Hoyalacerta, Huehuecuetzpalli, Iguana haueri, Iguanomorpha, Jucaraseps, Kuroyuriella, Lacertibaenia, Lacertilia, Liushusaurus, Macrocnemidae, Megachirella, Moqisaurus, Mosasauridae (syn. Edestosauridae, Clidastidae, Globidensidae), Mosasauroidea (syn. Ophidiomorpha), Oculudentavis, Olindalacerta, Ophidia, Oxiella, Paikasisaurus, Palaeophidae, Paleochelco, Pangekkota, Panscincoidea, Panxantusiidae, Panxenosaurus, Paraplacosauriops, Parasaurillus, Parviraptor, Pseudosaurillus, Pythonomorpha, Sauripes, Scandensia, Scincogekkonomorpha, Scincoidea, Scincomorpha (syn. Leptoglossa), Scleroglossa, Tedorosaurus, Thalattosauromorphi, Trachelosauridae, Vialorophis, Xestops gracilis, Yabeinosaurus, Yabeinosaurus youngi, Zanclodontidae
Sister taxa
Araeoscelomorphi, Thalattosauromorphi

Synonyms
Synonymy list
YearName and author
1811Squamata Oppel p. 14
1826Squamata Fitzinger p. 4
1842Iguana haueri Meyer
1882Squamati Quenstedt p. 155
1898Squamata Woodward p. 141
1902Squamata Hay p. 463
1903Squamata Osborn p. 276
1904Squamata Osborn p. 114
1906Squamata Andrews p. 306
1908Squamata Lambe
1917Squamata Williston p. 420
1928Harpagosaurus excedens Gilmore p. 157 fig. 98
1930Squamata Hay p. 239
1930Harpagosaurus excedens Hay p. 256
1934Squamata Swinton p. 16
1937Squamata Roxo p. 43
1942Haplodontosaurus Gilmore p. 164
1942Haplodontosaurus excedens Gilmore p. 164
1946Squamata Kuhn p. 60
1954Squamata Huene p. 61
1964Yabeinosaurus youngi Hoffstetter
1966Squamata Kuhn p. 44
1978Acanthurus haueri Schultz p. 213
1980Squamata Schatzinger
1981Squamata Thurmond and Jones p. 148
1982Squamata Carroll p. 183
1982Squamata Gardiner p. 228
1982Squamata Holman
1983Haplodontosaurus Estes
1983Yabeinosaurus youngi Estes p. 63
1983Squamata Stritzke
1985Squamata Benton p. 157
1986Squamata Sullivan p. 109
1986Paikasisaurus Yadagiri pp. 92-93 figs. 1r, s
1986Paikasisaurus indicus Yadagiri pp. 92-93 figs. 1r, s
1988Haplodontosaurus Carroll
1988Squamata Carroll
1988Squamata Estes et al.
1991Squamata Holman et al.
1991Squamata Norell and de Queiroz
1995Squamata Lingham-Soliar
1996Squamata Frank and Ramus
1996Squamata Gao and Fox p. 13
2001Squamata Peng et al. p. 26
2002Squamata Nicholls and Meckert p. 1593
2002Squamata Sepkoski
2003Squamata Krause et al. p. 843
2003Squamata Meyer and Zardoya
2004Squamata Martinelli and Forasiepi p. 260
2006Squamata Datta and Ray p. 795
2008Squamata Venczel and Stiuca p. 750
2009Squamata Komishi and Caldwell p. 418
2010Squamata Böhme p. 18
2011Squamata Konishi and Caldwell p. 756
2012Squamata Evans and Wang
2012Squamata Fernicola and Albino
2012Squamata Konishi et al.
2013Squamata Palci et al.
2015Squamata Garcia et al. p. 498
2019Squamata González Ruiz et al. p. 3
2020Squamata Strong et al. p. 8
2023Squamata Kiernan and Ebersole p. 4
2023Squamata de Carvalho and Santucci
2024Squamata Plasse et al. p. 4
2024Squamata Rivera-Sylva et al. p. 4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Squamata()
—Squamata()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Unr. Squamata Oppel 1811 [squamates]
show all | hide all
Infraor. Amphisbaenia Gray 1844 [worm lizard]
+
Unr. Amphisbaeniformes Longrich et al. 2015
+
Unr. Amphisbaenidae Gray 1865 [worm lizard]
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G. Amphisbaena Linnaeus 1758
+
Amphisbaena alba Linneaus 1758 [Red worm lizard]
†Amphisbaena braestrupi Gans and Montero 1998
Amphisbaena caeca Cuvier 1829 [Blind worm lizard]
Amphisbaena cubana Gundlach and Peters 1878 [Cuban worm lizard]
Amphisbaena darwini Dumeril and Bibron 1839 [Darwin's ringed worm lizard]
Amphisbaena fenestrata Cope 1861 [Cope's worm lizard]
Amphisbaena fuliginosa Linneaus 1758 [Speckled worm lizard]
Amphisbaena gonavensis Gans and Alexander 1962 [Gonave worm lizard]
Amphisbaena innocens Weinland 1862 [Innocent worm lizard]
†Amphisbaena laurenti Gans and Montero 1998
Amphisbaena vermicularis Wagler 1824 [Wagler's worm lizard]
G. Ancyclocranium Parker 1942 [Sharp-snouted worm lizards]
G. Anops Bell 1833 [King's worm lizards]
G. Baikia Gray 1865 [West African worm lizards]
G. Blanus Wagler 1830
+
Blanus cinereus Vandelli 1797 [Mediterranean worm lizard]
†Blanus gracilis Roček 1984
†Blanus mendezi Bolet et al. 2014
Blanus strauchi Bedriaga 1884 [Turkish worm lizard]
†Blanus thomaskelleri Cernansky et al. 2015
Invalid names: Omoiotyphlops de Rochebrune 1884 [synonym]
G. Bronia Gray 1865 [Brazilian worm lizards]
G. †Campinosaurus Auge 1992
+
G. †Listromycter Charig and Gans 1990
+
†Listromycter leakeyi Charig and Gans 1990
G. †Lophocranion Charig and Gans 1990
+
†Lophocranion rusingense Charig and Gans 1990
Invalid names: Rhineurinae Vanzolini 1951 [empty]
Fm. Bipedidae Taylor 1951
+
G. †Anniealexandria Smith 2009
+
†Anniealexandria gansi Smith 2009
G. Bipes Bonnaterre 1789 [Two-legged worm lizards]
+
Bipes biporus Cope 1894 [Five-toed worm lizard]
Bipes canaliculatus Bonnaterre 1789 [Four-toed worm lizard]
Bipes tridactylus Duges 1894 [Three-toed worm lizard]
Fm. Blanidae Kearney 2003
+
G. †Blanosaurus Folie et al. 2013
+
†Blanosaurus primeocaenus Folie et al. 2013
G. †Cuvieribaena Cernansky et al. 2015
+
†Cuvieribaena carlgansi Cernansky et al. 2015
G. †Louisamphisbaena Auge 2012
+
G. †Todrasaurus Augé and Rage 2006
+
†Todrasaurus gheerbranti Augé and Rage 2006
Unr. Trogonophidae Bonaparte 1838
+
G. †Palaeoblanus Schleich 1988
+
†Palaeoblanus tobieni Schleich 1988
G. †Terastiodontosaurus Georgalis et al. 2024
+
†Terastiodontosaurus marcelosanchezi Georgalis et al. 2024
G. Trogonophis Kaup 1830
+
†Trogonophis darelbeidae Bailon 2000
Trogonophis wiegmanni Kaup 1830 [Checkerboard worm lizard]
Invalid names: Cadeidae Vidal and Hedges 2007 [empty]
Unr. †Chthonophidae Longrich et al. 2015
+
G. †Chthonophis Longrich et al. 2015
+
†Chthonophis subterraneus Longrich et al. 2015
Fm. †Crythiosauridae Vanzolini 1951
+
G. †Crythiosaurus Gilmore 1943
+
G. †Platyrhachis Cope 1873
G. †Hodzhakulia Nessov 1985
+
†Hodzhakulia magna Nessov 1985
Fm. †Hyporhinidae Baur 1893
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G. Hyporhina Baur 1893
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†Hyporhina antiqua Baur 1893
+
Invalid names: Hyporhina galbreathi Taylor 1951 [synonym]
†Hyporhina tertia Berman 1972
Fm. †Oligodontosauridae Estes 1975
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G. †Oligodontosaurus Gilmore 1942
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Fm. †Polyodontobaenidae Folie et al. 2013
+
G. †Camptognathosaurus Folie et al. 2013
+
+
Invalid names: Camptognathosaurus parisiensis Folie et al. 2013 [synonym]
G. †Polyodontobaena Folie et al. 2013
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†Polyodontobaena belgica Folie et al. 2013
Unr. Rhineuroidea Kearney 2003
+
G. Aulura Barbour 1914 [Barbour's worm lizards]
Fm. Rhineuridae Vanzolini 1951
+
G. †Archaerhineura Longrich et al. 2015
+
†Archaerhineura mephitis Longrich et al. 2015
G. †Dyticonastis Berman 1976
+
†Dyticonastis rensbergeri Berman 1976
G. †Hadrorhineura Hembree 2007
G. †Jepsibaena Vanzolini 1951
+
†Jepsibaena minor Gilmore and Jepsen 1945
G. †Lestophis Marsh 1885
+
†Lestophis anceps Marsh 1871
†Lestophis crassus Marsh 1871
Invalid names: Limnophis Marsh 1871 [replaced]
G. †Macrorhineura Macdonald 1970
+
†Macrorhineura skinneri Macdonald 1970
G. †Oligorhineura Dickson 1997
+
†Oligorhineura sternbergii Dickson 1997
G. †Ototriton Loomis 1919
+
†Ototriton solidus Loomis 1919
G. †Plesiorhineura Sullivan 1985
+
†Plesiorhineura tsentasi Sullivan 1985
G. †Protorhineura Hembree 2007
G. Rhineura Cope 1861 [worm lizard]
+
Rhineura floridana Baird 1858 [North American worm lizard]
†Rhineura hatcherii Baur 1893
+
Invalid names: Rhineura amblyceps Taylor 1951 [synonym], Rhineura attenuatus Taylor 1951 [synonym], Rhineura coloradoensis Cope 1873 [synonym], Rhineura hibbardi Taylor 1951 [synonym], Rhineura minutus Gilmore 1938 [synonym], Rhineura sternbergii Walker 1932 [synonym], Rhineura wilsoni Taylor 1951 [synonym]
†Rhineura marslandensis Yatkola 1976
†Rhineura sepultura Holman 1979
Invalid names: Gilmoreia Taylor 1951 [synonym], Pseudorhineura Vanzolini 1951 [synonym]
G. †Solastella Stocker and Kirk 2016
+
†Solastella cookei Stocker and Kirk 2016
G. †Spathorhynchus Berman 1973
+
†Spathorhynchus fossorium Berman 1973
Invalid names: Amphisbaenoidea Gray 1865 [empty], Annulati [synonym]
Unr. Anguimorpha Fürbringer 1900
+
Unr. Anguiformes Bonaparte 1831
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Superfm. †Anguioidea Fitzinger 1826
+
Fm. Anguidae Gray 1825
+
Subfm. †Anguinae Gray 1825
Subfm. Anniellinae Nopcsa 1928
G. †Bainguis Borsuk-Bialynicka 1984
G. Barisia Gray 1838 [Alligator lizards]
Subfm. †Diploglossinae Boucourt 1873
G. Elgaria Gray 1838 [alligator lizard]
Subfm. Gerrhonotinae Cope 1864
Subfm. †Glyptosaurinae Marsh 1872
+
Invalid names: Placosaurinae Gervais [synonym]
G. †Machaerosaurus Gilmore 1928
Subfm. †Odaxosaurinae Sullivan 1982
G. †Odaxosaurus Gilmore 1928
+
Invalid names: Pancelosaurus Meszoely 1970 [synonym]
G. †Ophisauromimus Cernansky et al. 2016
G. †Rajaurisaurus Sahni and Srivastava 1976
Invalid names: Xestops lentus Marsh 1872 [nomen dubium], Xestops microdus Marsh 1872 [nomen dubium], Xestops minutus Marsh 1872 [nomen dubium], Xestops piercei Gilmore 1938 [nomen dubium]
Fm. †Dorsetisauridae Hoffstetter 1967
+
Subfm. †Changetisaurinae Federov and Nessov 1992
G. †Dorsetisaurus Hoffstetter 1967
+
Invalid names: Introrsisaurus Seiffert 1975 [synonym]
G. †Paradorsetisaurus Alifanov 2019
G. †Peltosaurus Cope 1873
+
†Peltosaurus floridanus Vanzolini 1952
+
Invalid names: Peltosaurus abbotti Gilmore 1928 [synonym]
†Peltosaurus macrodon Brattstrom 1955
Invalid names: Anniellidae [empty], Diploglossa Cope 1864 [objective synonym]
G. †Cnodontosaurus Nydam 2013
+
Infraor. Platynota Baur 1890
+
G. †Cemeterius Longrich et al. 2012
+
†Cemeterius monstrosus Longrich et al. 2012
G. †Colpodontosaurus Estes 1964
+
G. †Kaganaias Evans et al. 2006
+
†Kaganaias hakusanensis Evans et al. 2006
G. †Litakis Estes 1964
+
†Litakis gilmorei Estes 1964
G. †Parasaniwa Gilmore 1928
+
†Parasaniwa cynochoros Nydam 2013
†Parasaniwa wyomingensis Gilmore 1928
+
Invalid names: Parasaniwa obtusa Gilmore 1928 [synonym]
G. †Parviderma Borsuk-Bialynicka 1984
+
†Parviderma inexacta Borsuk-Bialynicka 1984
Fm. Shinisauridae Ahl 1930
+
G. Shinisaurus Ahl 1930 [Chinese crocodile lizard]
Superfm. †Varanoidea Gray 1827
+
G. †Aiolosaurus Gao and Norell 2000
G. †Arcanosaurus Houssaye et al. 2013
G. Heloderma Wiegmann 1829 [beaded lizard]
+
Invalid names: Trachyderma Wiedmann 1829 [replaced]
G. †Judeasaurus Haber and Polcyn 2005
G. †Ovoo Norell et al. 2007
Fm. †Pachyvaranidae Kuhn 1961
Subfm. †Saniwinae Camp 1923
Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
Invalid names: Helodermatidae Gray 1837 [empty], Helodermatoidea Baur 1890 [synonym], Lanthanotidae Steindachner 1878 [empty]
Invalid names: Shinisauria Conrad 2008 [empty]
Superfm. Scincoidae Hay 1930
+
Invalid names: Leposternidae Gray 1844 [empty]
G. †Barlochersaurus Daza et al. 2018
+
†Barlochersaurus winhtini Daza et al. 2018
Superfm. †Carusioidea Gao and Norell 1998
+
G. †Dalinghosaurus Ji 1998
+
G. †Chometokadmon Costa 1864
+
+
Invalid names: Lacerta brevicauda Costa 1866 [synonym]
G. †Entomophontes Smith and Gauthier 2013
+
†Entomophontes hutchisoni Smith and Gauthier 2013
†Entomophontes incrustatus Smith and Gauthier 2013
G. †Merkurosaurus Klembara 2008
+
†Merkurosaurus ornatus Klembara 2008
Unr. Monstersauria Norell and Gao 1997
+
G. †Asprosaurus Park et al. 2015
+
†Asprosaurus bibongriensis Park et al. 2015
G. †Chianghsia Mo et al. 2012
+
†Chianghsia nankangensis Mo et al. 2012
G. †Estesia Norell et al. 1992
+
†Estesia mongoliensis Norell et al. 1992
G. †Eurheloderma Hoffstetter 1957
+
†Eurheloderma gallicum Hoffstetter 1957
G. †Gobiderma Borsuk-Bialynicka 1984
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†Gobiderma pulchra Borsuk-Bialynicka 1984
G. †Lowesaurus Pregill et al. 1986
+
†Lowesaurus matthewi Gilmore 1928
G. †Morohasaurus Ikeda et al. 2022
+
†Morohasaurus kamitakiensis Ikeda et al. 2022
G. †Palaeosaniwa Gilmore 1928
+
†Palaeosaniwa canadensis Gilmore 1928
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Invalid names: Megasaurus robustus Gilmore 1928 [synonym]
Invalid names: Megasaurus Gilmore 1928 [synonym]
G. †Paraderma Estes 1964
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†Paraderma bogerti Estes 1964
G. †Primaderma Nydam 2000
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†Primaderma nessovi Nydam 2000
Fm. †Necrosauridae Hoffstetter 1943
+
G. †Labrodioctes Gao and Fox 1996
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†Labrodioctes montanensis Gao and Fox 1996
Subfm. †Necrosaurinae Hoffstetter 1943
+
G. †Melanosauroides Kuhn 1940
G. †Necrosaurus Filhol 1876
+
†Necrosaurus cayluxi Filhol 1873
Invalid names: Necrosaurus filholi De Stefano 1903 [nomen dubium]
G. †Proplatynotia Borsuk-Bialynicka 1984
+
†Proplatynotia longirostrata Borsuk-Bialynicka 1984
G. †Provaranosaurus Gilmore 1942
+
†Provaranosaurus acutus Gilmore 1942
†Provaranosaurus fatuus Smith and Gauthier 2013
Invalid names: Melanosaurinae Gilmore 1928 [empty], Parasaniwidae Estes 1964 [synonym]
Fm. †Palaeovaranidae Georgalis 2017
+
G. †Eosaniwa Haubold 1977
+
†Eosaniwa koehni Haubold 1977
G. †Palaeovaranus Zittel 1887
+
†Palaeovaranus cayluxi Zittel 1887
†Palaeovaranus lismonimenos Georgalis et al. 2021
G. †Paranecrosaurus Smith and Habersetzer 2021
+
†Paranecrosaurus feisti Stritzke 1983
Fm. †Paravaranidae Borsuk-Bialynicka 1984
+
G. †Paravaranus Borsuk-Bialynicka 1984
+
†Paravaranus angustifrons Borsuk-Bialynicka 1984
G. †Restes Gauthier 1982
+
†Restes rugosus Gauthier 1982
+
Invalid names: Exostinus rugosus Gilmore 1942 [objective synonym]
Fm. Xenosauridae Cope 1866
+
G. †Exostinus Cope 1873
+
†Exostinus lancensis Gilmore 1928
+
Invalid names: Harpagosaurus parvus Gilmore 1928 [synonym], Prionosaurus regularis Gilmore 1928 [synonym]
†Exostinus serratus Cope 1873
Invalid names: Harpagosaurus Gilmore 1928 [synonym], Prionosaurus Gilmore 1928 [synonym]
G. †Nordenosaurus Holman 1973
+
†Nordenosaurus magnus Holman 1973
G. †Shestakovia Averianov et al. 2005
+
†Shestakovia voronkevichi Averianov et al. 2005
Subfm. Xenosaurinae McDowell and Bogert 1954
+
G. Xenosaurus Gray 1856 [American knob-scaled lizards]
+
Xenosaurus agrenon King and Thompson 1968
Xenosaurus arboreus King and Thompson 1968 [King's knob-scaled lizard]
Xenosaurus grandis Gray 1856 [Knob-scaled lizard]
Xenosaurus newmanorum Taylor 1949 [Newman's knob-scaled lizard]
Xenosaurus platyceps King and Thompson 1968 [Flathead knob-scaled lizard]
Xenosaurus rackhami Stuart 1941 [Rackham's knob-scaled lizard]
Xenosaurus rectocollaris Smith and Iverson 1993 [Pallid knob-scaled lizard]
G. †Xenostius Alifanov 2019
+
†Xenostius futilus Alifanov 2019
Invalid names: Hodzhakuliidae Alifanov 1993 [empty], Varaniformes Conrad 2008 [empty]
G. †Anhuisaurus Hou 1974
+
G. †Anqingosaurus Hou 1976
+
G. †Ardeosaurus von Meyer 1860
+
†Ardeosaurus brevipes Meyer 1909
G. †Asagaolacerta Evans and Matusmoto 2015
+
†Asagaolacerta tricuspidens Evans and Matusmoto 2015
G. †Bavarisaurus Hoffstetter 1953
+
G. †Changjiangosaurus Hou 1976
+
G. †Cryptovaranoides Whiteside et al. 2022
+
†Cryptovaranoides microlanius Whiteside et al. 2022
G. †Cuencasaurus Richter 1994
+
†Cuencasaurus estesi Richter 1994
Fm. Dibamidae Boulenger 1884
+
G. Anelytropis Cope 1885 [Mexican blind lizards]
+
Anelytropis papillosus Cope 1885 [Mexican blind lizard]
G. Dibamus Dumeril and Bibron 1839 [Blind skinks]
+
Dibamus novaeguinea Dumeril and Bibron 1839 [New Guinea blind skink]
G. †Hoeckosaurus Čerňanský 2019
+
†Hoeckosaurus mongoliensis Čerňanský 2019
G. †Eichstaettisaurus Kuhn 1958
+
†Eichstaettisaurus gouldi Evans et al. 2004
Invalid names: Broilisaurus Hoffstetter 1953 [synonym]
Unr. Episquamata Pyron et al. 2013
+
Superfm. Lacertoidea Camp 1923
+
Fm. Lacertidae Bonaparte 1831
+
G. Acanthodactylus Wiegmann 1834 [Fringe-fingered lizard]
+
Acanthodactylus erythurus Schinz 1833 [Fringe-fingered lizard]
G. Algyroides Bibron and Bory 1833
+
Algyroides fitzingeri Wiegmann 1834 [Fitzingers algyroides]
G. †Amblyolacerta Roček 1984
+
G. Archaeolacerta Camerano 1885 [Bedriaga's rock lizard]
+
†Archaeolacerta bedriagae Camerano 1885
G. †Cernaycerta Augé 2005
+
G. †Cryptolacerta Müller et al. 2011
+
†Cryptolacerta hassiaca Müller et al. 2011
G. †Dormaalisaurus Augé and Smith 2002
+
†Dormaalisaurus girardoti Augé and Smith 2002
†Dormaalisaurus rossmanni Augé and Smith 2002
G. †Dracaenosaurus Pomel 1846
+
†Dracaenosaurus croizeti Gervais 1848
G. †Edlartetia Augé and Rage 2000
+
†Edlartetia sansaniensis Augé and Rage 2000
G. Eremias Wiegmann 1834
G. †Escampcerta Augé 2005
+
G. Gallotia Boulenger 1916 [Gallot's lizards]
+
Gallotia galloti Dumeril and Bibron 1839 [Gallot's lizard]
†Gallotia goliath Mertens 1942
†Gallotia simonyi Steindachner 1889
Subfm. †Gallotiinae Cano et al. 1984
+
G. †Janosikia Čerňanský et al. 2016
G. †Gracilicerta Augé 2005
+
†Gracilicerta sindexi Augé 2005
G. Lacerta Linnaeus 1758
+
Lacerta agilis Linneaus 1758 [Sand lizard]
†Lacerta filholi Augé 1988
Lacerta lepida Daudin 1802 [Jewelled lizard]
†Lacerta poncenatensis Müller 1996
Lacerta viridis Laurenti 1768 [European green lizard]
G. †Mediolacerta Augé 2005
+
†Mediolacerta roceki Augé 2005
G. Mesalina Gray 1838
+
Mesalina balfouri Blanford 1881
†Mesalina lincolnensis Weaver 1916
G. †Miolacerta Roček 1984
+
†Miolacerta tenuis Roček 1984
G. †Plesiolacerta Hoffstetter 1942
+
†Plesiolacerta eratosthenesi Cernansky and Augé 2013
†Plesiolacerta lydekkeri Hoffstetter 1942
G. Podarcis Wagler 1830 [Wall lizards]
+
Podarcis hispanica Steindachner 1870 [Iberian wall lizard]
Podarcis muralis Laurenti 1768 [Common wall lizard]
†Podarcis tiliguerta Gmelin 1789
G. Psammodromus Fitzinger 1826 [Sand lizards]
+
Psammodromus algirus Linneaus 1758 [Algerian psammodromus]
Psammodromus hispanicus Fitzinger 1826 [Spanish psammodromus]
G. †Pseudeumeces Hoffstetter 1944
+
†Pseudeumeces cadurcensis Filhol 1877
†Pseudeumeces kyrillomethodicus Georgalis et al. 2021
G. †Quercycerta Augé 2005
+
†Quercycerta maxima Augé 2005
G. †Succinilacerta Bohme and Weitschat 1998
+
†Succinilacerta succinea Bohme and Weitschat 1998
G. Takydromus Daudin 1802 [Grass lizards]
+
Takydromus amurensis Peters 1881 [Amur grass lizard]
Takydromus formosanus Boulenger 1920 [Formosa grass lizard]
Takydromus haughtonianus Jerdon 1870 [Goalpora grass lizard]
Takydromus khasiensis Boulenger 1917 [Java grass lizard]
Takydromus sauteri Van Denburgh 1909 [Koshun grass lizard]
Takydromus septentrionalis Gunther 1864 [China grass lizard]
Takydromus sexlineatus Daudin 1802 [Asian grass lizard]
Takydromus smaragdinus Boulenger 1887 [Green grass lizard]
Takydromus tachydromoides Schlegel 1838 [Japanese grass lizard]
Takydromus wolteri Fischer 1885 [Mountain grass lizard]
G. Timon Tschudi 1836
+
Timon lepidus Mayer and Bischoff 1996
G. Tropidosaura Fitzinger 1826 [Mountain lizards]
+
Tropidosaura montana Gray 1831 [Green-striped mountain lizard]
Invalid names: Parasauromalus paleocenicus Kuhn 1940 [nomen dubium]
Unr. Lacertiformes Estes et al. 1988
+
Fm. †Eolacertidae Čerňanský and Smith 2017
+
G. †Eolacerta Nöth 1940
+
Invalid names: Iguanosauriscus Kuhn 1958 [synonym]
G. †Stefanikia Čerňanský and Smith 2017
G. †Pachygenys Gao and Cheng 1999
+
†Pachygenys adachii Ikeda et al. 2015
†Pachygenys thlastesa Gao and Cheng 1999
G. †Purbicella Evans et al. 2012
+
†Purbicella ragei Evans et al. 2012
G. †Rhynchosauroides Maidwell 1911
+
+
Invalid names: Rhynchosauroides maidwelli Nopcsa 1923 [synonym]
†Rhynchosauroides gangresci da Silva et al. 2012
†Rhynchosauroides kuletae Ptaszyński and Niedźwiedzki 2004
†Rhynchosauroides majus Demathieu 1967
†Rhynchosauroides minutipes Maidwell 1914
†Rhynchosauroides pallinii Conti et al. 1977
+
Invalid names: Ganasauripus ladinus Valentini et al. 2007 [synonym], Phalangichnus perwangeri Conti et al. 1977 [synonym], Rhynchosauroides palmatus Lull 1942 [synonym], Rhynchosauroides schochardti von Lilienstern 1939 [synonym]
†Rhynchosauroides petri Demathieu 1966
†Rhynchosauroides pusillus Haubold 1966
†Rhynchosauroides rdzaneki Ptaszynski 2000
†Rhynchosauroides rectipes Beasley 1911
+
Invalid names: Rhynchosauroides membranipes Maidwell 1911 [synonym]
†Rhynchosauroides retroversipes da Silva et al. 2008
†Rhynchosauroides santanderensis Demathieu and Saiz de Omeñaca 1977
†Rhynchosauroides virgiliae Demathieu et al. 1978
Invalid names: Akropus Lilienstern 1939 [synonym], Eurichnus Lull 1942 [synonym], Ganasauripus Valentini et al. 2007 [synonym], Rhynchocephalichnus Huene 1941 [synonym]
Unr. Teiioidea Estes et al. 1988
+
Fm. †Barbatteiidae Codrea et al. 2017
+
G. †Barbatteius Venczel and Codrea 2016
G. †Oardasaurus Codrea et al. 2017
Fm. Gymnophthalmidae Merrem 1820
+
G. Arthrosaura Boulenger 1885 [arthrosauras]
G. Bachia Gray 1845 [bachias]
G. Calyptommatus Rodrigues 1991 [microteiids]
Subfm. Cercosaurinae Gray 1838
G. Gymnophthalmus Merrem 1820 [microteiids]
G. †Oreosaurus Peters 1862
G. Vanzosaura Rodrigues 1991 [Redtail tegus]
Fm. Teiidae Gray 1827
+
G. Alopoglossus Boulenger 1885 [Northern teiids]
G. Amapasaurus Cunha 1970 [Four-toed amapsaurus]
G. Anotosaura Amaral 1933 [anotosauras]
G. †Brevisaurus Augé 2005
G. Cercosaura Wagler 1830 [Ocellated tegus]
G. Colobosaura Boulenger 1887 [colobosauras]
G. Colobosauroides de Cunha et al. 1991 [Cunha's teiids]
G. †Conicodontosaurus Gilmore 1943
G. Crocodilurus Daudin 1802 [Crocodile tegus]
G. Dracaena Daudin 1802 [caiman lizard]
G. Echinosaura Boulenger 1890 [Rough teiids]
G. †Gerontoseps Gao and Fox 1991
G. Glyptogenys Gao and Fox 1991
G. †Harmodontosaurus Nydam 2002
G. Iphisa Gray 1851 [iphisas]
G. Kentropyx Spix 1825 [kentropyx]
G. †Meyasaurus Vidal 1915
+
Invalid names: Ilerdaesaurus Hoffstetter 1966 [synonym], Rubiessaurus Gomez Pallerola 1979 [synonym]
G. Pantodactylus Dumeril and Bibron 1839 [Many-fingered teiids]
G. Proctoporus Tschudi 1845 [Lightbulb lizards]
G. †Ptilotodon Nydam and Cifelli 2002
G. †Sphenosiagon Gao and Fox 1991
Subfm. †Teiinae
Tr. Teiini Presch 1974
Subfm. Tupinambinae Presch 1974
Invalid names: Alethesaurus quadratus Gilmore 1928 [nomen vanum], Callopistinae Harvey et al. 2012 [empty], Iguanavus exilis Marsh 1872 [nomen dubium], Iguanavus teres Marsh 1892 [nomen dubium], Lanceosaurus compressus Gilmore 1928 [nomen vanum], Lanceosaurus hatcheri Gilmore 1928 [nomen vanum]
Invalid names: Macroteiida Conrad 2008 [empty]
Unr. Toxicofera Vidal and Hedges 2005
+
Infraor. Iguania Cuvier 1817
+
Fm. †Arretosauridae Gilmore 1943
+
G. †Arretosaurus Gilmore 1943
G. †Dornosaurus Alifanov 2012
G. †Ergiliinsaurus Alifanov 2012
G. †Hemishinisaurus Li 1991
G. †Khaichinguana Alifanov 2012
G. †Brasiliguana Nava and Martinelli 2011
+
†Brasiliguana prudentis Nava and Martinelli 2011
Infraor. †Macrocephalosauria Alifanov 2000
+
Fm. †Cherminsauridae Alifanov 2000
Superfm. †Macrocephalosauroidea Alifanov 2000
Superfm. †Mongolochamopoidea Alifanov 2000
Fm. Opluridae Titus and Frost 1996 [Madagascar iguana]
+
G. Chalarodon Peters 1854
G. Oplurus Cuvier 1829
G. †Paraphrynosoma Sullivan and Holman 1996
+
†Paraphrynosoma greeni Holman 1989
Invalid names: Anolidae Cope 1864 [empty], Chamaeleonoidea Rafinesque 1815 [empty], Euposauridae Camp 1923 [empty], Isodontosauridae Alifanov 1993 [empty]
Invalid names: Mosasauria [empty]
Invalid names: Laterata Vidal and Hedges 2005 [empty]
+
Infraor. Gekkota Cuvier 1817
+
Fm. †Ardeosauridae Camp 1923
+
G. †Gurvelus Alifanov 2019
+
†Gurvelus khangaicus Alifanov 2019
G. †Palaeolacerta Cocude-Michel 1961
+
†Palaeolacerta bavarica Cocude-Michel 1961
G. †Dollogekko Čerňanský et al. 2022
+
†Dollogekko dormaalensis Čerňanský et al. 2022
Fm. Eublepharidae Boulenger 1883
+
G. Aeluroscalabotes Gunther 1864 [Cat geckos]
+
Aeluroscalabotes felinus Gunther 1864 [Cat gecko]
G. Eublepharis Gray 1827
+
Eublepharis macularius Blyth 1854 [Leopard gecko]
G. Hemitheconyx Dumeril 1851 [Fat-tail geckos]
+
Hemitheconyx caudicinctus Dumeril 1851 [Fat-tail gecko]
Hemitheconyx taylori Parker 1930 [Taylor's fat-tail gecko]
Fm. Gekkonidae Gray 1825 [gecko]
+
G. Aprasia Gray 1839 [Blunt-tail legless lizards]
+
Aprasia pulchella Gray 1839 [Coastal legless lizard]
G. Aristelliger Cope 1861 [croacking gecko]
+
Aristelliger praesignis Hallowell 1856
G. Bogertia Loveridge 1841 [Bogert's geckos]
+
Bogertia lutzae Loveridge 1941 [Bogert's gecko]
G. Briba Amaral 1935 [Brazilian gecko]
+
Briba brasiliana Amaral 1935 [Amaral's Brazilian gecko]
G. †Cadurcogekko Hoffstetter 1946
+
†Cadurcogekko piveteaui Hoffstetter 1946
†Cadurcogekko verus Bolet et al. 2015
G. Coleonyx Gray 1845 [banded gecko]
+
Coleonyx mitratus Peters 1863 [Central American banded gecko]
Coleonyx variegatus Baird 1859 [Western banded gecko]
G. Cyrtodactylus Gray 1827 [bow-fingered gecko]
+
G. Delma Gray 1831 [Flapped scalyfoots]
+
Delma australis Kluge 1974 [Australian scalyfoot]
Delma borea Kluge 1974 [Black-banded scalyfoot]
Delma butleri Storr 1987 [Butler's scalyfoot]
Delma elegans Kluge 1974 [Elegant scalyfoot]
Delma fraseri Gray 1831 [Fraser's scalyfoot]
Delma grayii Smith 1849 [Gray's scalyfoot]
Delma haroldi Storr 1987 [Harold's scalyfoot]
Delma impar Fischer 1882 [Victoria scalyfoot]
Delma inornata Kluge 1974 [Unadorned scalyfoot]
Delma labialis Shea 1987 [Yellow-lipped scalyfoot]
Delma mitella Shea 1987 [Red scalyfoot]
Delma molleri Lutken 1863 [Southern scalyfoot]
Delma nasuta Kluge 1974 [Northern scalyfoot]
Delma pax Kluge 1974 [Hamersley scalyfoot]
Delma plebia De Vis 1888 [Gray scalyfoot]
Delma tincta De Vis 1888 [Dyed scalyfoot]
Delma torquata Kluge 1974 [Collared scalyfoot]
Subfm. Diplodactylinae Underwood 1954
+
G. Bavayia Roux 1913
G. Carphodactylus Gunther 1897
G. Crenadactylus Dixon and Kluge 1964
G. Eurydactylodes Wermuth 1965
G. Heteropholis Fischer 1882
G. Oedura Gray 1842
G. Phyllurus Schinz 1822
G. Pseudothecadactylus Brongersma 1936
G. Rhacodactylus Fitzinger 1843
G. Rhynchoedura Gunther 1867
G. Diplodactylus Gray
Subfm. Eublepharinae Boulenger 1883
+
G. Holodactylus Boetteger 1893
G. Euleptes Fitzinger 1843
+
†Euleptes gallica Müller 2001
†Euleptes klembarai Čerňanský et al. 2018
G. Geckolepis Grandidier 1867
G. Gehyra Gray 1834
G. Gekko Laurenti 1768 [gecko]
+
Gekko gecko Linneaus 1758 [Tokay gecko]
G. †Gerandogekko Hoffstetter 1946
+
†Gerandogekko arambourgi Hoffstetter 1946
†Gerandogekko gaillardi Hoffstetter 1946
G. Gonatodes Fitzinger 1843 [American geckos]
+
Gonatodes albogularis Dumeril and Bibron 1836 [Yellow-headed gecko]
G. Gymnodactylus Spix 1825 [Naked-toed geckos]
+
Gymnodactylus geckoides Spix 1825 [Naked-toed gecko]
Gymnodactylus guttulatus Vanzolini 1982 [Brazilian naked-toed gecko]
G. Hemidactylus Cuvier 1817
+
Hemidactylus brookii Gray 1845 [Brook's gekko]
G. Hemiphyllodactylus Bleeker 1960
+
G. Homonota Gray 1845 [Marked geckos]
+
Homonota fasciatus Dumeril and Bibron 1836 [Banded marked gecko]
G. Hoplodactylus Fitzinger 1843
+
Hoplodactylus duvaucelii Duméril and Bibron 1836
G. †Laonogekko Augé 2003
+
†Laonogekko lefevrei Augé 2003
G. Lygodactylus Gray 1864
G. Naultinus Gray 1842
G. Nephrurus Gunther 1876
G. Pachydactylus Wiegmann 1834 [Thick-toed geckos]
+
Pachydactylus bibronii Smith 1845 [Bibron's thick-toed gecko]
G. Paroedura Günther 1879 [Madagascar ground gecko]
G. Phelsuma Gray 1825
G. Phyllodactylus Gray 1828 [leaf-toed gecko]
G. Phyllopezus Peters 1877 [Brazilian geckos]
+
Phyllopezus periosus Rodrigues 1986 [Peraiba gecko]
Phyllopezus pollicaris Spix 1825 [Brazilian gecko]
G. Platydactylus Brulle 1835
+
†Platydactylus minutus Giebel 1862
G. Pletholax Cope 1864 [Black-striped legless lizards]
+
Pletholax gracilis Cope 1864 [Black-striped legless lizard]
G. Pygopus Merrem 1820
+
†Pygopus hortulanus Hutchinson 1997
Pygopus lepidopodus Lacepede 1804 [Common scalyfoot]
G. †Rhodanogekko Hoffstetter 1946
+
†Rhodanogekko vireti Hoffstetter 1946
Subfm. Sphaerodactylinae Underwood 1954
+
Subfm. †Euleptinae Villa et al. 2022
G. Sphaerodactylus Wagler 1830 [round-fingered gecko]
+
†Sphaerodactylus ciguapa Daza and Bauer 2012
G. Tarentola Gray 1825 [wall gecko]
G. Teratoscincus Strauch 1863 [Wonder geckos]
+
Teratoscincus microlepis Nikolsky 1899 [Small-scaled wonder gecko]
Teratoscincus przewalskii Strauch 1877 [Przewalski's wonder gecko]
Teratoscincus scincus Schlegel 1858 [Common wonder gecko]
G. Thecadactylus Cuvier 1820 [turnip-tailed gecko]
+
Thecadactylus rapicauda Houttuyn 1782 [turnip-tailed gecko]
G. Uroplatus Dumeril 1806 [Flat-tail geckos]
+
Uroplatus fimbriatus Schneider 1797 [Common flat-tail gecko]
G. †Yantarogekko Bauer et al. 2005
+
†Yantarogekko balticus Bauer et al. 2005
Invalid names: Gekkoninae Underwood 1954 [empty], Uroplatinae [empty]
Superfm. Gekkonoidea
+
Fm. †Eichstaettisauridae Kuhn 1958
+
G. †Schoenesmahl Conrad 2017
Invalid names: Broilisauridae Hoffstetter 1953 [synonym]
G. †Gobekko Borsuk-Bialynicka 1990
+
†Gobekko cretacicus Borsuk-Bialynicka 1990
G. †Palaeogekko Schleich 1987
+
†Palaeogekko risgoviensis Schleich 1987
Invalid names: Yabeinosauridae Endo and Shikama 1942 [empty]
Fm. Gekkoolithidae Hirsch 1996
+
G. †Gekkoolithus Hirsch 1996
+
†Gekkoolithus columnaris Hirsch 1996
G. †Hoburogekko Alifanov 1989
+
†Hoburogekko suchanovi Alifanov 1989
Fm. Phyllodactylidae Gamble 2008
+
G. Haemodracon Bauer et al. 1997
+
Haemodracon trachyrhinus Boulenger 1899 [pygmy Socotran leaf-toed gecko]
Superfm. Pygopodoidea
+
Invalid names: Anelytropidae Cope 1864 [empty], Pygopidae Boulenger 1884 [empty]
Invalid names: Bavarisauridae Kuhn 1961 [empty], Nyctisaura Gray [synonym], Pygopodidae Boulenger 1884 [empty], Xantusioidea Camp 1923 [empty]
G. †Norellius Conrad and Daza 2015
+
†Norellius nyctisaurops Conrad and Daza 2015
G. †Hakuseps Evans and Matusmoto 2015
+
†Hakuseps imberis Evans and Matusmoto 2015
G. †Hongshanxi Dong et al. 2019
+
†Hongshanxi xiei Dong et al. 2019
G. †Hoyalacerta Evans and Barbadillo 1999
+
†Hoyalacerta sanzi Evans and Barbadillo 1999
G. †Huehuecuetzpalli Reynoso 1998
+
†Huehuecuetzpalli mixtecus Reynoso 1998
Unr. †Iguanomorpha Sukhanov 1961
+
Unr. †Chamaeleontiformes Conrad 2008
+
Unr. †Acrodonta Cope 1864
+
Fm. Agamidae Gray 1827
+
G. Acanthosura Hardwicke and Gray 1827 [Armored pricklenape]
G. Agama Daudin 1802
Subfm. †Agaminae
G. Amphibolurus Wagler 1830
G. Aphaniotis Peter 1864
G. Brachysaura Hardwicke and Gray 1827
G. †Brevidensilacerta Li 1991
G. Bronchocela Kuhl 1829
G. Caimanops Lucas and Frost 1902
G. Calotes Linneaus 1758
G. Ceratophora Gray 1834
G. Chelosania Gray 1845
G. Chlamydosaurus Gray 1825
G. Clamydosaurus Gray 1825
G. Cophotis Peters 1861
G. Coryphophylax Blyth 1860
G. Cryptagama Meyer 1874
G. Ctenophorus Gray 1831
G. Dendragama Doria 1888
G. Diporiphora Gray 1845
G. Draco Linnaeus 1758
G. Gonocephalus Laurenti 1768
G. Harpesaurus Dumeril 1851
G. Hydrosaurus Kaup 1828
G. Hylagama Mertens 1924
G. Hypsilurus Dumeril and Bibron 1837
G. †Indiagama Rana et al. 2013
G. Japalura Gray 1853
G. Leiolepis Gray 1827
G. Lophocalotes Bleeker 1860
G. Lophognathus Gray 1842
G. Lyriocephalus Linneaus 1758
G. †Mergenagama Gao and Dashzeveg 1999
G. Mictopholis Annandale 1908
G. Moloch Gray 1841
G. Oriocalotes Smith 1935
G. Otocryptis Wagler 1830
G. Phoxophrys Peters 1864
G. Phrynocephalus Pallas 1776
G. Physignathus Cuvier 1829
G. Pogona Storr 1982 [bearded dragon]
G. †Protodraco Wagner et al. 2021
G. Psammophilus Gray 1831
G. Pseudocalotes Gray 1831
G. Pseudotrapelus Heyden 1827
G. Ptyctolaemus Peters 1864 [Throated agamas]
G. †Quercygama Auge and Smith 1997
G. Rankinia Wells and Wellington 1983
G. Salea Gray 1845 [Asia minor agamas]
G. Sitana Cuvier 1829 [Sita lizards]
G. Stellio Laurenti 1768
G. †Suratagama Rana et al. 2013
G. †Talosaurus Gao and Dashzeveg 1999
G. †Tinosaurus Marsh 1872
G. Tympanocryptis Peters 1864
G. †Vastanagama Prasad and Bajpai 2008
G. †Zephyrosauridion Gao and Dashzeveg 2000
+
Invalid names: Zephyrosaurus Gao and Dashzeveg 1999 [replaced]
Invalid names: Uromastycinae Theobold 1868 [empty]
G. †Barbaturex Head et al. 2013
+
†Barbaturex morrisoni Head et al. 2013
G. †Bharatagama Evans et al. 2002
+
†Bharatagama rebbanensis Evans et al. 2002
Fm. Chamaeleonidae Gray 1825 [chameleon]
+
G. Brookesia Gray 1864 [Leaf chameleon]
G. Calumma Gray 1865
G. Chamaeleo Laurenti 1768
G. Rhampholeon Gunther 1874 [Stumptail chameleons]
G. †Gueragama Simões et al. 2015
+
†Gueragama sulamericana Simões et al. 2015
Infraor. Pachyglossa Cope 1864
+
Superfm. †Uromastycoidea Theobold 1868
G. †Qianshanosaurus Hou 1974
+
G. †Tinosaurus Marsh 1872
+
†Tinosaurus lepidus Marsh 1872
†Tinosaurus stenodon Marsh 1872
G. Uromastyx Merrem 1820 [spiny-tailed lizard]
+
Uromastyx acanthinurus Bell 1825 [Dabba mastigure]
Uromastyx aegypticus Forskal 1775 [Egyptian mastigure]
Uromastyx asmussi Strauch 1863 [Iranian mastigure]
Uromastyx benti Anderson 1894 [Bent's mastigure]
Uromastyx dispar Heyden 1827 [Sudan mastigure]
†Uromastyx europaeus Moody 1980
+
Invalid names: Palaeochamaeleo europaeus De Stefano 1903 [synonym]
Uromastyx geyri Muller 1922 [Sahara mastigure]
Uromastyx hardwickii Gray 1827 [Indian mastigure]
Uromastyx loricatus Blanford 1874 [Mesopotamian mastigure]
Uromastyx macfadyeni Parker 1932 [Somali mastigure]
Uromastyx ocellatus Lichtenstein 1823 [Ocellated mastigure]
Uromastyx ornatus Heyden 1827 [Ornate mastigure]
Uromastyx princeps O'Shaughnessy 1880 [Princely mastigure]
Uromastyx scorteccii Cherchi 1954 [Scortecci's mastigure]
Uromastyx thomasi Parker 1930 [Thomas' mastigure]
Invalid names: Jeddaherdan Apesteguía et al. 2016 [synonym], Jeddaherdan aleadonta Apesteguía et al. 2016 [nomen dubium], Palaeochamaeleo De Stefano 1903 [synonym]
G. †Xianglong Li et al. 2007
+
†Xianglong zhaoi Li et al. 2007
Invalid names: Agama sinensis Hou 1974 [nomen dubium], Tikiguania Datta and Ray 2006 [nomen dubium], Tikiguania estesi Datta and Ray 2006 [nomen dubium]
G. †Ctenomastax Gao and Norell 2000
+
†Ctenomastax parva Gao and Norell 2000
Fm. †Priscagamidae Borsuk-Bialynicka and Moody 1984
+
Tr. †Cretagamini Alifanov 1996
+
G. †Cretagama Alifanov 1996
G. †Flaviagama Alifanov 1989
+
†Flaviagama dzerzhinskii Alifanov 1989
Subfm. †Flaviagaminae Alifanov 1996
+
Tr. †Flaviagamini Alifanov 1996
G. †Phrynosomimus Alifanov 1996
Invalid names: Phrynosomimini Alifanov 1996 [empty]
G. †Heterodontagama Rana et al. 2013
+
†Heterodontagama borsukae Rana et al. 2013
G. †Mimeosaurus Gilmore 1943
+
†Mimeosaurus crassus Gilmore 1943
†Mimeosaurus tugrikinensis Alifanov 1989
G. †Priscagama Borsuk-Bialynicka and Moody 1984
+
†Priscagama gobiensis Borsuk-Bialynicka and Moody 1984
Tr. †Priscagamini Borsuk-Bialynicka and Moody 1984
+
G. †Chamaeleognathus Alifanov 1996
G. †Isodontosaurus Gilmore 1943
+
†Isodontosaurus gracilis Gilmore 1943
G. †Magnuviator DeMar Jr et al. 2017
+
†Magnuviator ovimonsensis DeMar Jr et al. 2017
G. †Pariguana Longrich et al. 2012
+
†Pariguana lancensis Longrich et al. 2012
Unr. Pleurodonta Cope 1864
+
G. †Bifurcodentodon Čerňanský et al. 2022
+
†Bifurcodentodon ragei Čerňanský et al. 2022
G. †Caeruleodentatus Scarpetta 2021
+
†Caeruleodentatus lovei Scarpetta 2021
Fm. Corytophanidae Fitzinger 1843 [casque-head lizard]
+
G. †Babibasiliscus Conrad 2015
+
†Babibasiliscus alxi Conrad 2015
Fm. Crotaphytidae Frost and Etheridge 1989
+
G. Gambelia Baird and Girard 1852 [Leopard lizards]
+
†Gambelia corona Norell 1989
Gambelia wislizenii Baird and Girard 1852 [Longnose leopard lizard]
Unr. †Gobiguania Conrad and Norell 2007
+
G. †Anchaurosaurus Gao and Hou 1995
+
†Anchaurosaurus gilmorei Gao and Hou 1995
Fm. †Hoplocercidae Frost and Etheridge 1989
+
Subfm. †Pleurodontagaminae Alifanov 1996
+
Tr. †Mimeosaurini Alifanov 1996
Tr. †Pleurodontagamini Alifanov 1996
G. †Igua Borsuk-Bialynicka and Alifanov 1991
+
†Igua minuta Borsuk-Bialynicka and Alifanov 1991
Fm. Iguanidae Oppel 1811
+
G. Abas Kowlowsky 1896 [Kowlowsky's tree iguana]
+
Abas anomalus Kowlowsky 1896 [Kowlowsky's tree iguana]
G. †Aciprion Cope 1873
+
†Aciprion formosum Cope 1873
†Aciprion majus Gilmore 1928
G. Amblyrhynchus Bell 1825 [marine iguana]
+
G. Anisolepis Wiegmann 1834 [Tree lizards]
+
Anisolepis grilli Boulenger 1891 [Boulenger's tree lizard]
Anisolepis undulatus Wiegmann 1834 [Wiegmann's tree lizard]
G. †Anolbanolis Smith 2009
+
†Anolbanolis banalis Smith 2009
†Anolbanolis geminus Smith 2011
G. Basiliscus Laurenti 1768
+
Basiliscus basiliscus Linneaus 1758 [Common basilisk]
Basiliscus galeritus Dumeril 1851 [Western basilisk]
Basiliscus plumifrons Cope 1876 [Green basilisk]
Basiliscus vittatus Wiegmann 1828 [Brown basilisk]
G. Brachylophus Cuvier 1829 [Fiji iguanas]
+
Brachylophus fasciatus Brongniart 1800 [Fiji banded iguana]
Brachylophus vitiensis Gibbons 1980 [Fiji crested iguana]
G. †Cadurciguana Auge 1987
+
G. Callisaurus Blainville 1835 [Zebratail lizards]
+
Callisaurus draconoides Blainville 1835 [Zebratail lizard]
G. Chamaeleolis Dumeril and Bibron 1837 [Crested false chameleons]
+
Chamaeleolis chamaeleonides Dumeril and Bibron 1837 [False chameleon]
G. Chamaelinorops Schmidt 1919 [Mimic chameleons]
+
Chamaelinorops barbouri Schmidt 1919 [Mimic chameleon]
G. †Cnephasaurus Gao and Fox 1996
+
†Cnephasaurus locustivorus Gao and Fox 1996
G. Corytophanes Boie 1826 [helmeted basilisk]
+
Corytophanes cristatus Merrem 1821 [Smooth helmeted iguana]
Corytophanes hernandezii Wiegmann 1831 [Hernandez's helmeted iguana]
Corytophanes percarinatus Dumeril 1856 [Keeled helmeted iguana]
G. Crotaphytus Holbrook 1843 [collared lizard]
+
Crotaphytus bicinctores Smith and Tanner 1972 [Mojave black-collared lizard]
Crotaphytus collaris Say 1823 [Collared lizard]
G. Ctenosaura Wiegmann 1828 [spinytail iguana]
+
Ctenosaura pectinata Wiegmann 1834 [Mexican spinytail iguana]
G. Cyclura Harlan 1824 [rock iguana]
+
Cyclura nubila Gray 1831
G. †Cypressaurus Holman 1972
+
†Cypressaurus hypsodontus Holman 1972
G. Diplolaemus Bell 1843 [Patagonia iguanas]
+
Diplolaemus bibronii Bell 1843 [Bibron's iguana]
Diplolaemus darwinii Bell 1843 [Darwin's iguana]
Diplolaemus leopardinus Werner 1894 [Leopard iguana]
G. Enyalioides Boulenger 1885 [Dwarf iguanas]
+
Enyalioides laticeps Guichenot 1855 [Guichenot's dwarf iguana]
Enyalioides oshaughnessyi Boulenger 1881 [O'Shaughnessy's dwarf iguana]
Enyalioides palpebralis Boulenger 1883 [Boulenger's dwarf iguana]
G. Enyalius Wied 1821 [Fathead anoles]
+
Enyalius bilineatus Dumeril and Bibron 1837 [Two-lined fathead anole]
Enyalius catenatus Wied 1821 [Wied's fathead anole]
Enyalius iheringii Boulenger 1885 [Ihering's fathead anole]
G. †Erichosaurus Ameghino 1899
G. †Geiseltaliellus Kuhn 1944
+
+
Invalid names: Geiseltaliellus louisi Auge 1990 [synonym]
G. †Harrisonsaurus Holman 1981
+
†Harrisonsaurus fossilis Holman 1981
G. Holbrookia Girard 1851 [lesser earless lizard]
+
†Holbrookia antiqua Yatkola 1976
G. Hoplocercus Fitzinger 1843 [weapontails]
+
Hoplocercus spinosus Fitzinger 1843 [weapontail]
G. Iguana Laurenti 1768 [iguana]
+
Iguana delicatissima Laurent 1768 [West Indian iguana]
Iguana iguana Linneaus 1758 [Green iguana]
Subfm. Iguaninae Cope 1886
+
G. †Armandisaurus Norell and de Queiroz 1991
G. Dipsosaurus Hallowell 1854 [dessert iguana]
G. Phrynosoma Wiegmann 1828 [horned lizard]
G. †Pumilia Norell 1989
G. Laemanctus Wiegmann 1834 [casquehead iguana]
+
Laemanctus longipes Wiegmann 1834 [Eastern casquehead iguana]
Laemanctus serratus Cope 1864 [Serrated casquehead iguana]
G. Leiocephalus Gray 1827 [curly-tailed lizard]
+
Leiocephalus barahonensis Schmidt 1921 [Barahona curlytail lizard]
Leiocephalus carinatus Gray 1827 [Northern curlytail lizard]
Leiocephalus personatus Cope 1863 [Haitian curlytail lizard]
G. Leiosaurus Duméril and Bibron 1837
+
Leiosaurus bardensis Gallardo 1961 [Southern anole]
Leiosaurus bellii Dumeril and Bibron 1837 [Bell's anole]
†Leiosaurus marellii Rusconi 1937
G. Morunasaurus Dunn 1933 [Lesser spinytail iguanas]
+
Morunasaurus annularis O'Shaughnessy 1881 [Ringed spinytail iguana]
Morunasaurus grai Dunn 1933 [Dunn's spinytail iguana]
G. †Oreithyia Smith 2011
+
†Oreithyia oaklandi Smith 2011
+
Invalid names: Orithyia oaklandi Smith 2011 [replaced]
Invalid names: Orithyia Smith 2011 [replaced]
G. †Paradipsosaurus Fries et al. 1955
+
G. †Paranolis Smith 2011
+
†Paranolis delicatus Smith 2011
G. †Parasauromalus Gilmore 1928
+
†Parasauromalus olseni Gilmore 1928
G. Petrosaurus Boulenger 1885 [Rock lizards]
+
Petrosaurus mearnsi Stejneger 1894 [Banded rock lizard]
Petrosaurus thalassinus Cope 1863 [Baja California rock lizard]
G. Phenacosaurus Barbour 1920 [Andes anoles]
+
Phenacosaurus heterodermus Dumeril 1851 [Flat Andes anoles]
Subfm. †Phrynosomatinae Frost and Etheridge 1989
+
G. †Tuberculacerta Smith 2006
G. Pristidactylus D'Orbigny and Bibron 1847
+
Pristidactylus achalensis Gallardo 1934 [Argentine anole]
Pristidactylus alvaroi Donoso-Barros 1975 [Alvaro's anole]
Pristidactylus casuhatiensis Gallardo 1968 [Casuhatien anole]
Pristidactylus fasciatus D'Orbigny and Bibron 1847 [D'Orbigny's banded anole]
Pristidactylus scapulatus Burmeister 1861 [Burmeister's anole]
Pristidactylus torquatus Montecinos Espinoza and Formas 1979 [Southern grumbler]
Pristidactylus valeriae Etheridge and Williams 1985
G. †Pristiguana Estes and Price 1973
+
†Pristiguana brasilensis Estes and Price 1973
G. †Proiguana Filhol 1876
+
Invalid names: Proiguana loevidens Piton 1940 [nomen dubium]
G. †Queironius Smith 2011
+
†Queironius praelapsus Smith 2011
G. Sauromalus Duméril 1856 [chuckwalla]
+
Sauromalus ater Dumeril 1856 [Northern chuckwalla]
Sauromalus obesus Baird 1858 [chuckwalla]
G. Sceloporus Wiegmann 1828 [spiny lizard]
+
Sceloporus grammicus Wiegmann 1828 [Mesquite lizard]
Sceloporus magister Hallowell 1854 [Desert spiny lizard]
Sceloporus olivaceus Smith 1934 [Texas spiny lizard]
†Sceloporus robustus Twente 1952
Sceloporus undulatus Bosc 1802 [eastern fence lizard]
Sceloporus variabilis Wiegmann 1834 [Rosebelly lizard]
G. †Suzanniwana Smith 2009
+
†Suzanniwana patriciana Smith 2009
†Suzanniwana revenanta Smith and Gauthier 2013
G. †Swainiguanoides Sullivan 1982
+
†Swainiguanoides milleri Sullivan 1982
G. Uracentron Kaup 1827 [Thornytail iguanas]
+
Uracentron azureum Linneaus 1758 [Green thornytail iguana]
Uracentron flaviceps Guichenot 1855 [Tropical thornytail iguana]
G. Uranoscodon Linneaus 1758 [Mophead iguana]
+
Uranoscodon superciliosa Linneaus 1758 [Mophead iguana]
G. Urosaurus Hallowell 1854
+
Urosaurus microscutatus Van Denburgh 1894 [Small-scaled lizard]
Urosaurus nigrocaudus Cope 1864 [Blacktail brush lizard]
G. Urostrophus Dumeril and Bibron 1837 [Steppe iguanas]
+
Urostrophus vautieri Dumeril and Bibron 1837 [Brazilian steppe iguana]
G. Uta Baird and Girard 1852 [side-blotched lizard]
+
Uta stansburiana Baird and Girard 1852 [Side-blotched lizard]
G. †Xihaina Gao and Hou 1995
+
†Xihaina aquilonia Gao and Hou 1995
Invalid names: Corytophaninae Macey et al. 1997 [empty]
G. †Kopidosaurus Scarpetta 2020
+
†Kopidosaurus perplexus Scarpetta 2020
Fm. †Phrynosomatidae Fitzinger 1843
+
G. †Desertiguana Alifanov 2013
+
†Desertiguana gobiensis Alifanov 2013
G. Uma Baird 1858
Fm. Polychrotidae Macey et al. 1997
+
G. †Afairiguana Conrad et al. 2007
+
†Afairiguana avius Conrad et al. 2007
G. Anolis Daudin 1802 [anole]
+
Anolis allogus Barbour and Ramsden 1919 [Bueycito anole]
Anolis alutaceus Cope 1862 [Monte Verde anole]
Anolis angusticeps Smith et al. 1968 [Chiapas ornate anole]
Anolis auratus Daudin 1802 [Grass anole]
Anolis bimaculatus Merrem 1874 [Panther anole]
Anolis carolinensis Voight 1832 [green anole]
Anolis chlorocyanus Dumeril and Bibron 1837 [Hispaniola green anole]
Anolis conspersus Garman 1887
Anolis cristatellus Dumeril and Bibron 1837 [Crested anole]
Anolis cuvieri Merrem 1820 [Cuvier's anole]
Anolis cybotes Cope 1862 [Largehead anole]
†Anolis electrum Lazell, Jr. 1965
Anolis equestris Merrem 1820 [Knight anole]
Anolis fuscoauratus D'Orbigny 1837 [Brown-eared anole]
Anolis grahami Gray 1845 [Graham's anole]
Anolis leachii Duméril and Bibron 1837 [Leach's anole]
Anolis macrolepis Boulenger 1911 [Big-scaled anole]
Anolis meridionalis Boetteger 1885 [Meridian anole]
Anolis occultus Williams and Rivero 1965 [Limestone anole]
Anolis onca O'Shaughnessy 1875 [Bulky anole]
Anolis petersii Bocourt 1873 [Peters' anole]
Anolis ricordi Dumeril and Bibron 1837 [Haitian green anole]
Anolis sagrei Dumeril and Bibron 1837 [Brown anole]
Anolis vermiculatus Dumeril and Bibron 1837 [Vinales anole]
G. Polychrus Merrem 1820
+
Polychrus acutirostris Spix 1825 [Brazilian bush anole]
Polychrus femoralis Werner 1910 [Werner's bush anole]
Polychrus gutturosus Berthold 1846 [Berthold's bush anole]
Polychrus liogaster Boulenger 1908 [Boulenger's bush anole]
Polychrus marmoratus Linneaus 1758 [Many-colored bush anole]
G. †Sauropithecoides Smith 2011
+
Invalid names: Anisolepinae Schulte et al. 2003 [empty], Leiosaurinae Frost 2001 [empty]
Fm. Tropiduridae Bell 1843 [ground lizard]
+
Subfm. Liolaeminae Frost and Etheridge 1989
+
G. Ctenoblepharys Tschudi 1845
G. Liolaemus Wiegmann 1834 [Tree iguanas]
G. Phymaturus Gravenhorst 1838 [Mountain lizards]
G. Microlophus Duméril and Bibron 1837 [lava lizard]
+
Microlophus atacamensis Donoso-Barros 1966 [Atacamen Pacific iguana]
Microlophus occipitalis Peters 1871 [Knobbed Pacific iguana]
Microlophus stolzmanni Steindachner 1901 [Stolzmann's Pacific iguana]
Microlophus theresioides Donoso-Barros 1966 [Small Pacific iguana]
G. Plica Gray 1831
+
Plica plica Linneaus 1758 [Tree runner]
Plica umbra Linneaus 1758 [Harlequin racerunner]
G. Stenocercus Duméril and Bibron 1837
+
Stenocercus roseiventrus D'Orbigny 1837 [Rose whorltail iguana]
G. Tropidurus Wied-Neuwied 1825
+
Tropidurus amathites Rodrigues 1984 [Amathites lava lizard]
Tropidurus arenarius Tschudi 1845 [Tschudi's lava lizard]
Tropidurus atacamensis Donoso-Barros 1966 [Donoso's lava lizard]
Tropidurus bogerti Roze 1958 [Keeled lava lizard]
Tropidurus catalensis Gudyas 1983 [Catalen lava lizard]
Tropidurus etheridgei Cei 1982 [Etheridge's lava lizard]
Tropidurus grayi Bell 1843 [Gray's lava lizard]
Tropidurus heterolepis Wiegman 1834 [Many-scaled lava lizard]
Tropidurus hispidus Peters 1825 [Peters' lava lizard]
Tropidurus hygomi Reinhardt and Lutken 1861 [Reinhardt's lava lizard]
Tropidurus melanopleurus Boulenger 1902 [Black lava lizard]
Tropidurus nanuzae Rodrigues 1981 [Rodrigues' lava lizard]
Tropidurus occipitalis Peters 1871 [Brush lava lizard]
Tropidurus peruvianus Lesson 1826 [Peru lava lizard]
Tropidurus semitaeniatus Spix 1825 [Striped lava lizard]
Tropidurus spinulosus Cope 1862 [Spiny lava lizard]
Tropidurus torquatus Wied 1820 [Amazon lava lizard]
Tropidurus yanezi Ortiz 1981 [Yanez's lava lizard]
Invalid names: Crotaphytus oligocenicus Holman 1972 [nomen dubium]
Infraor. Typhlophthalmi Cope 1864
+
Invalid names: Acontiidae Gray 1845 [empty]
Invalid names: Erichosaurus bombimaxila Ameghino 1899 [nomen dubium], Erichosaurus debilis Ameghino 1899 [nomen dubium], Erichosaurus diminutus Ameghino 1899 [nomen dubium], Thecaglossa Wagler [empty]
G. †Polrussia Borsuk-Bialynicka and Alifanov 1991
+
†Polrussia mongoliensis Borsuk-Bialynicka and Alifanov 1991
Unr. †Temujiniidae Gauthier et al. 2012
+
G. †Saichangurvel Conrad and Norell 2007
+
†Saichangurvel davidsoni Conrad and Norell 2007
G. †Temujinia Gao and Norell 2000
+
†Temujinia ellisoni Gao and Norell 2000
G. †Zapsosaurus Gao and Norell 2000
+
†Zapsosaurus sceliphros Gao and Norell 2000
G. †Jucaraseps Bolet and Evans 2012
+
†Jucaraseps grandipes Bolet and Evans 2012
G. †Kuroyuriella Evans and Matusmoto 2015
+
†Kuroyuriella mikikoi Evans and Matusmoto 2015
Subor. Lacertilia Owen 1842 [lizard]
+
G. †Araeosaurus Seeley 1881
+
†Araeosaurus gracilis Seeley 1881
G. †Costasaurus Estes 1983
+
†Costasaurus rusconi Costa 1851
+
Invalid names: Polysemia apennina Costa 1864 [objective synonym]
G. †Dicarlesia Huene 1932
+
†Dicarlesia incognita Huene 1931
Invalid names: Carlesia Huene 1931 [replaced]
G. †Durotrigia Hoffstetter 1967
+
†Durotrigia triconidens Hoffstetter 1967
G. †Francosaurophis Kuhn 1959
+
Invalid names: Saurophis Brunner 1957 [replaced]
Superfm. Kionocrania Stannius 1856
+
G. Euprepis Wagler 1830
+
Subg. Euprepis (Euprepis) Wagler 1830
G. †Oxia Nessov 1985
+
†Oxia karakalpakensis Nessov 1985
G. †Paraprionosaurus Gilmore 1938
+
Tr. †Repentia
+
G. †Raphiosaurus Owen 1842
+
†Raphiosaurus lucius Dixon 1850
G. †Sauromorus Pomel 1953
G. †Tarratosaurus Broschinksi and Sigogneau-Russell 1996
+
†Tarratosaurus anoualensis Broschinksi and Sigogneau-Russell 1996
G. †Teilhardosaurus Shikama 1947
+
G. Tupinambis Daudin 1802 [tegu]
+
†Tupinambis brevirostris Rovereto 1914
†Tupinambis multidentatus Rovereto 1914
†Tupinambis prerufescens Rovereto 1914
†Tupinambis preteguixin Rovereto 1914
Tupinambis rufescens Gunther 1871 [Red tegu]
Tupinambis teguixin Linnaeus 1758
Invalid names: Diasemosaurus Ameghino 1898 [synonym], Diasemosaurus occidentalis Ameghino 1893 [nomen dubium], Dibolosodon Ameghino 1898 [synonym], Dibolosodon typicus Ameghino 1893 [nomen dubium]
Invalid names: Changjiangidae Hou 1976 [empty], Cremastosaurus Cope 1873 [nomen dubium], Cremastosaurus rhambastes Cope 1884 [nomen dubium], Diacium Cope 1873 [nomen dubium], Iguanavus Marsh 1872 [nomen dubium], Natantia Owen 1851 [empty], Ophiosauri Cope 1864 [empty], Rhiptoglossa Wiegmann 1834 [empty]
G. †Lamiasaura Longrich et al. 2013
+
†Lamiasaura ferox Longrich et al. 2013
+
Invalid names: Lamiasaurus ferox Longrich et al. 2012 [replaced]
Invalid names: Lamiasaurus Longrich et al. 2012 [replaced]
G. †Liushusaurus Evans and Wang 2010
+
†Liushusaurus acanthocaudata Evans and Wang 2010
Fm. †Macrocnemidae Kuhn 1946
+
G. †Megacnemus Huene 1954
+
†Megacnemus grandis Huene 1955
G. †Megachirella Renesto and Posenato 2003
+
†Megachirella wachtleri Renesto and Posenato 2003
G. †Moqisaurus Dong et al. 2023
+
†Moqisaurus pulchrum Dong et al. 2023
Fm. †Mosasauridae Gervais 1852 [mosasaur]
+
G. †Compressidens Dollo 1924
+
†Compressidens belgicus Woodward 1891
G. †Haasiasaurus Polcyn et al. 2003
+
†Haasiasaurus gittelmani Polcyn et al. 1999
Invalid names: Haasia Polcyn et al. 1999 [replaced]
Unr. †Halisaurinae Bardet et al. 2005
+
Unr. †Halisaurini Longrich et al. 2021
+
G. †Eonatator Bardet et al. 2005
+
†Eonatator coellensis Páramo-Fonseca 2013
†Eonatator sternbergii Wiman 1920
G. †Halisaurus Marsh 1869
+
†Halisaurus arambourgi Bardet et al. 2005
†Halisaurus hebae Shaker et al. 2023
†Halisaurus onchognathus Merriam 1894
Invalid names: Baptosaurus Marsh 1870 [nomen dubium]
G. †Phosphorosaurus Dollo 1889
+
†Phosphorosaurus ponpetelegans Konishi et al. 2016
Unr. †Pluridensini Longrich et al. 2021
+
G. †Pluridens Lingham-Soliar 1998
+
†Pluridens calabaria Longrich 2016
†Pluridens serpentis Longrich et al. 2021
†Pluridens walkeri Lingham-Soliar 1998
Subfm. †Mosasaurinae Gervais 1853
+
G. †Clidastes Cope 1868
+
†Clidastes cineriarum Cope 1870
†Clidastes intermedius Leidy 1870
†Clidastes liodontus Merriam 1894
†Clidastes moorevillensis Shannon 1975
†Clidastes propython Cope 1869
+
Invalid names: Clidastes medius Merriam 1894 [synonym], Clidastes pumilus Marsh 1871 [synonym], Clidastes westi Williston and Case 1892 [synonym], Clidastes wymani Marsh 1871 [synonym], Edestosaurus dispar Marsh 1871 [synonym], Edestosaurus rex Marsh 1872 [synonym], Edestosaurus stenops Cope 1871 [synonym], Edestosaurus tortor Cope 1871 [synonym], Edestosaurus velox Marsh 1871 [synonym]
Invalid names: Edestosaurus Marsh 1871 [synonym]
G. †Dallasaurus Bell and Polcyn 2005
+
†Dallasaurus turneri Bell and Polcyn 2005
Tr. †Globidensini Russell 1967
+
G. †Carinodens Thurmond 1969
+
†Carinodens belgicus Woodward 1891
†Carinodens fraasi Dollo 1913
†Carinodens minalmamar Schulp et al. 2009
G. †Globidens Gilmore 1912
+
†Globidens alabamensis Gilmore 1912
†Globidens dakotensis Russell 1975
†Globidens phosphaticus Bardet et al. 2005
†Globidens schurmanni Martin 2007
†Globidens simplex LeBlanc et al. 2019
G. †Prognathodon Dollo 1889
+
†Prognathodon currii Christiansen and Bonde 2002
†Prognathodon giganteus Dollo 1889
†Prognathodon kianda Schulp et al. 2008
†Prognathodon lutugini Yakovlev 1905
†Prognathodon overtoni Williston 1897
†Prognathodon rapax Hay 1902
+
Invalid names: Ancylocentrum hungerfordi Chaffee 1939 [synonym], Liodon validus Cope 1868 [synonym]
†Prognathodon saturator Dortangs et al. 2002
†Prognathodon solvayi Dollo 1889
†Prognathodon waiparaensis Welles and Gregg 1971
Invalid names: Ancylocentrum Schmidt 1927 [synonym], Brachysaurana Strand 1926 [synonym], Brachysaurus Williston 1897 [synonym], Dollosaurus Yakovlev 1901 [synonym], Liodon Owen 1842 [nomen dubium]
G. †Gnathomortis Lively 2020
+
G. †Igdamanosaurus Lingham-Soliar 1991
+
G. †Jormungandr Zietlow et al. 2023
+
†Jormungandr walhallaensis Zietlow et al. 2023
G. †Kourisodon Nicholls and Meckert 2002
+
†Kourisodon puntledgensis Nicholls and Meckert 2002
G. †Leiodon Owen 1842
+
†Leiodon anceps Owen 1841
†Leiodon lundgreni Schröder 1885
G. †Megapterygius Konishi et al. 2023
+
†Megapterygius wakayamaensis Konishi et al. 2023
G. †Moanasaurus Wiffen 1980
+
Tr. †Mosasaurini Russell 1967
+
G. †Eremiasaurus LeBlanc et al. 2012
+
†Eremiasaurus heterodontus LeBlanc et al. 2012
G. †Plotosaurus Camp 1951
+
†Plotosaurus bennisoni Camp 1942
†Plotosaurus tuckeri Camp 1942
Invalid names: Garzasaurus Anderson 1943 [nomen nudum], Kolposaurus Camp 1942 [replaced]
Invalid names: Liodon asiaticum Répelin 1915 [nomen dubium]
G. †Mosasaurus Parkinson 1822
+
†Mosasaurus beaugei Arambourg 1952
†Mosasaurus caroliniensis Gibbes 1851
†Mosasaurus conodon Cope 1881
†Mosasaurus couperi Gibbes 1851
†Mosasaurus dekayi Bronn 1838
+
Invalid names: Mosasaurus major DeKay 1842 [synonym], Mosasaurus meirsii Marsh 1869 [synonym]
†Mosasaurus depressus Cope 1869
+
Invalid names: Halisaurus fraternus Marsh 1869 [synonym], Mosasaurus copeanus Marsh 1869 [synonym]
†Mosasaurus flemingi Wiffen 1990
†Mosasaurus gaudryi Thevenin 1896
†Mosasaurus gracilis Owen 1850
†Mosasaurus grosjeani Greppin 1870
†Mosasaurus hobetsuensis Suzuki 1985
†Mosasaurus hoffmannii Mantell 1829
+
Invalid names: Mosasaurus belgicus Holl 1829 [synonym], Mosasaurus camperi Meyer 1832 [synonym], Mosasaurus maximus Cope 1869 [synonym]
†Mosasaurus horridus Williston 1895
†Mosasaurus ivoensis Russell 1967
†Mosasaurus lemonnieri Dollo 1889
†Mosasaurus lonzeensis Dollo 1904
†Mosasaurus minor Gibbes 1851
†Mosasaurus missouriensis Harlan 1834
+
Invalid names: Mosasaurus maximilliani Goldfuss 1845 [synonym], Mosasaurus neovidii von Meyer 1845 [synonym]
†Mosasaurus mokoroa Welles and Gregg 1971
+
Invalid names: Leiodon haumuriensis Hector 1874 [synonym]
†Mosasaurus occidentalis Morton 1844
†Mosasaurus prismaticus Sakurai et al. 1999
†Mosasaurus scanicus Schröder 1885
Invalid names: Amphekepubis Mehl 1930 [synonym], Baseodon Leidy 1865 [synonym], Batrachiosaurus Harlan 1839 [synonym], Batrachotherium Harlan 1839 [synonym], Drepanodon Leidy 1861 [synonym], Lesticodus Leidy 1861 [synonym], Macrosaurus Owen 1849 [synonym], Mosasaurus impar Leidy 1856 [nomen dubium], Mosasaurus reversus Leidy 1865 [nomen dubium], Nectoportheus Cope 1868 [synonym], Pterycollosaurus Dollo 1882 [synonym]
G. †Plesiotylosaurus Camp 1942
+
G. †Polygonodon Leidy 1856
Unr. †Prognathodontini Russell 1967
+
G. †Thalassotitan Longrich et al. 2022
+
†Thalassotitan atrox Longrich et al. 2022
G. †Rikisaurus Wiffen 1990
+
†Rikisaurus tehoensis Wiffen 1990
G. †Stelladens Longrich et al. 2023
+
†Stelladens mysteriosus Longrich et al. 2023
G. †Xenodens Longrich et al. 2021
+
†Xenodens calminechari Longrich et al. 2021
Invalid names: Globindensini Bell 1997 [empty], Leiodontini Lingham-Soliar 1995 [empty], Plotosaurini Russell 1967 [empty]
G. †Prognathosaurus Dollo 1889
Unr. †Russellosaurina Bell 1997
+
G. †Angolasaurus Antunes 1964
+
†Angolasaurus bocagei Antunes 1964
Invalid names: Angolasaurus bocagei Antunes 1964 [valid]
Subfm. †Plioplatecarpinae Dollo 1884
+
G. †Angolasaurus Antunes 1964
+
†Angolasaurus bocagei Antunes 1964
Invalid names: Angolasaurus bocagei Antunes 1964 [valid]
G. †Ectenosaurus Russell 1967
+
†Ectenosaurus clidastoides Merriam 1894
+
Invalid names: Platecarpus oxyrhinus Merriam 1894 [synonym]
†Ectenosaurus shannoni Kiernan and Ebersole 2023
†Ectenosaurus tlemonectes Kiernan and Ebersole 2023
Unr. †Plioplatecarpini Russell 1967
+
G. †Latoplatecarpus Konishi and Caldwell 2011
G. †Platecarpus Cope 1869
+
Invalid names: Holcodus Gibbes 1851 [synonym], Holosaurus Marsh 1880 [synonym], Lestosaurus Marsh 1872 [synonym], Sironectes Cope 1874 [synonym]
G. †Plesioplatecarpus Konishi and Caldwell 2011
G. †Plioplatecarpus Dollo 1882
+
Invalid names: Oterognathus Dollo 1889 [synonym]
G. †Sarabosaurus Polcyn et al. 2023
+
†Sarabosaurus dahli Polcyn et al. 2023
Unr. †Selmasaurini Longrich et al. 2024
+
G. †Gavialimimus Strong et al. 2020
G. †Goronyosaurus Azzaroli et al. 1972
G. †Khinjaria Longrich et al. 2024
G. †Selmasaurus Wright and Shannon 1988
G. †Yaguarasaurus Páramo 1994
+
†Yaguarasaurus columbianus Páramo 1994
†Yaguarasaurus regiomontanus Rivera-Sylva et al. 2024
Invalid names: Platecarpus ptychodon Arambourg 1952 [nomen dubium], Platecarpus somenensis Thevenin 1896 [nomen dubium]
Invalid names: Platecarpus ptychodus Arambourg 1952 [nomen dubium]
Subfm. †Tylosaurinae Wiliston 1895
+
G. †Hainosaurus Dollo 1885
+
†Hainosaurus boubker Rempert et al. 2022
†Hainosaurus neumilleri Martin 2007
G. †Kaikaifilu Otero et al. 2017
+
†Kaikaifilu hervei Otero et al. 2017
G. †Taniwhasaurus Hector 1874
+
†Taniwhasaurus antarcticus Novas et al. 2002
†Taniwhasaurus mikasaensis Caldwell et al. 2008
†Taniwhasaurus oweni Hector 1874
+
Invalid names: Tylosaurus haumuriensis Hector 1874 [synonym]
Invalid names: Lakumasaurus Novas et al. 2002 [synonym]
G. †Tylosaurus Marsh 1872
+
†Tylosaurus bernardi Dollo 1885
†Tylosaurus iembeensis Antunes 1964
†Tylosaurus ivoensis Russell 1967
†Tylosaurus kansasensis Everhart 2005
†Tylosaurus laticaudus Marsh 1870
†Tylosaurus pembinensis Nicholls 1988
†Tylosaurus perlatus Cope 1869
†Tylosaurus proriger Cope 1869
+
Invalid names: Rhinosaurus micromus Marsh 1872 [synonym]
†Tylosaurus saskatchewanensis Jiménez-Huidobro et al. 2018
†Tylosaurus zangerli Russell 1970
Invalid names: Elliptonodon Emmons 1858 [nomen dubium], Elliptonodon compressus Emmons 1858 [nomen dubium], Mosasaurus alseni Stolley 1892 [nomen dubium], Rhamphosaurus Cope 1872 [replaced], Rhinosaurus Marsh 1872 [replaced], Tylosaurus dyspelor Cope 1870 [nomen vanum]
Invalid names: Hainosaurus lonzeensis Dollo 1904 [nomen dubium]
Subfm. †Yaguarasaurinae Palci et al. 2013
+
G. †Romeosaurus Palci et al. 2013
+
†Romeosaurus fumanensis Palci et al. 2013
†Romeosaurus sorbinii Palci et al. 2013
G. †Russellosaurus Polcyn and Bell 2005
+
†Russellosaurus coheni Polcyn and Bell 2005
Invalid names: Amphorosteus Gibbes 1851 [nomen vanum], Amphorosteus brumbyi Gibbes 1851 [nomen vanum], Clidastes iguanavus Cope 1868 [nomen dubium], Clidastidae Cope 1869 [synonym], Edestosauridae Marsh 1876 [synonym], Globidensidae Dollo 1924 [synonym], Globidentinae [empty], Halisauromorpha Bell and Polcyn 2005 [empty], Liodon congrops Cope 1870 [nomen vanum], Mosasaurus crassidens Marsh 1870 [nomen dubium], Mosasaurus mitchillii DeKay 1830 [nomen vanum], Mosasaurus platyodon Sauvage 1873 [nomen dubium], Platecarpinae Williston 1897 [empty], Tylosaurus capensis Broom 1912 [nomen dubium]
Superfm. †Mosasauroidea
+
Fm. †Aigialosauridae Kramberger 1892
+
G. †Aigialosaurus Kramberger 1892
+
†Aigialosaurus bucchichi Kornhuber 1901
†Aigialosaurus dalmaticus Kramberger 1892
G. †Carentonosaurus Rage and Néraudeau 2004
+
†Carentonosaurus algorensis Cabezuelo-Hernández and Pérez-García 2023
†Carentonosaurus mineaui Rage and Néraudeau 2004
†Carentonosaurus soaresi Pimentel et al. 2023
G. †Carsosaurus Kornhuber 1893
+
†Carsosaurus marchesetti Kornhuber 1893
G. †Eidolosaurus Nopcsa 1923
+
†Eidolosaurus trauthi Nopcsa 1923
G. †Mesoleptos Cornalia and Chiozza 1852
+
†Mesoleptos zendrinii Cornalia and Chiozza 1852
G. †Opetiosaurus Kornhuber 1902
G. †Proaigialosaurus Kuhn 1958
+
Invalid names: Aigialosaurus novaki Kramberger 1892 [nomen dubium]
G. †Komensaurus Caldwell and Palci 2007
+
†Komensaurus carrolli Caldwell and Palci 2007
G. †Portunatasaurus Campbell Mekarski et al. 2019
+
†Portunatasaurus krambergeri Campbell Mekarski et al. 2019
Subfm. †Tethysaurinae Makádi et al. 2012
+
G. †Pannoniasaurus Makádi et al. 2012
+
†Pannoniasaurus inexpectatus Makádi et al. 2012
+
Invalid names: Pannoniasaurus osii Jiménez-Huidobro and Caldwell 2016 [synonym]
G. †Tethysaurus Bardet et al. 2003
+
†Tethysaurus nopcsai Bardet et al. 2003
G. †Vallecillosaurus Smith and Buchy 2008
+
†Vallecillosaurus donrobertoi Smith and Buchy 2008
Invalid names: Globidens timorensis Huene 1935 [nomen vanum], Ophidiomorpha Palci and Caldwell 2007 [synonym]
G. †Oculudentavis Xing et al. 2020
+
†Oculudentavis khaungraae Xing et al. 2020
G. †Olindalacerta Evans and Yabumoto 1998
+
†Olindalacerta brasiliensis Evans and Yabumoto 1998
Subor. Ophidia Latreille 1804 [snake]
+
+
Invalid names: Amblycephalidae [empty]
Subor. Asinea Müller
+
Infraor. Peropoda Müller
+
Invalid names: Lichanuridae Cope 1868 [empty]
Superfm. Boaeformia
+
Invalid names: Ilysiidae [empty]
G. †Haasiophis Tchernov et al. 2000
+
†Haasiophis terrasanctus Tchernov et al. 2000
G. †Najash Apestiguía and Zaher 2006
+
†Najash rionegrina Apestiguía and Zaher 2006
G. †Norisophis Klein et al. 2017
+
†Norisophis begaa Klein et al. 2017
G. †Sanajeh Wilson et al. 2010
+
†Sanajeh indicus Wilson et al. 2010
G. †Seismophis Hsiou et al. 2013
+
†Seismophis septentrionalis Hsiou et al. 2013
Unr. Serpentes Linnaeus 1758 [snake]
+
Infraor. Alethinophidia Nopcsa 1923
+
Superfm. Acrochordoidea McDowell 1979
+
Fm. †Nigeropheidae Rage 1975
Fm. †Nigerophiidae Rage 1975
G. †Afrotortrix Rage et al. 2021
+
†Afrotortrix draaensis Rage et al. 2021
Fm. Aniliidae Fitzinger 1826 [pipe snake]
+
G. †Australophis Gómez et al. 2008 [southern snake]
G. †Borealilysia Head 2020
Superfm. †Anilioidea
+
G. Anilius Oken 1816
Fm. Uropeltidae [shieldtail snake]
Unr. Caenophidia Hoffstetter 1939
+
Fm. Acrochordidae Bonaparte 1840
Fm. †Russellophiidae Rage 1978
G. †Cerberophis Longrich et al. 2012
+
†Cerberophis robustus Longrich et al. 2012
G. †Colombophis Hoffstetter and Rage 1977
+
†Colombophis portai Hoffstetter and Rage 1977
†Colombophis spinosus Hsiou et al. 2010
Superfm. Colubroidea Oppel 1811
+
Fm. †Anomalophiidae Auffenberg 1959
Fm. Crotalidae Oppel 1811 [pit viper]
Fm. Elapidae Boié 1827
G. †Headonophis Holman 1993
Fm. †Lamprophiidae Fitzinger 1843
G. †Procerophis Rage et al. 2008
G. †Vectophis Rage and Ford 1980
Fm. Viperidae Oppel 1811 [viper]
Invalid names: Rhabdosomidae Cope 1871 [empty], Russellopheidae Rage 1978 [empty]
Unr. †Henophidia
+
G. †Coprophis Parris and Holman 1978
G. †Helagras Cope 1883
Fm. Loxocemidae Cope 1861 [Mexican burrowing snake]
Fm. Pythonidae Fitzinger 1826 [python]
Invalid names: Bolyeriidae [empty], Calabariidae [empty], Xenopeltidae Bonaparte 1845 [empty]
G. †Itaboraiophis Rage 2008
+
Unr. Macrostomata Ritgen 1828
+
G. †Amaru Albino 2018
Superfm. Booidea Gray 1825
G. †Kataria Scanferla et al. 2013
G. Loxocemus Cope 1861 [Mexican burrowing pythons]
G. †Pachyrhachis Haas 1979
G. †Podophis Rage and Escuillié 2000
Fm. Tropidophiidae Cope 1894 [dwarf boa]
G. Xenopeltis Reinwardt 1827
G. †Paulacoutophis Rage 2008
+
Fm. Pseudoxyrhophiidae Dowling 1975
+
G. Ditypophis Günther 1881
G. †Tuscahomaophis Holman and Case 1992
Invalid names: Cylindrophiidae Fitzinger 1843 [empty], Simoliopheoidea [empty]
G. †Cheilophis Gilmore 1938
+
†Cheilophis huerfanoensis Gilmore 1938
Infraor. †Cholophidia Nopcsa 1923
+
Fm. †Lapparentopheidae Hoffstetter 1959
+
G. †Lapparentophis Hoffstetter 1959
Fm. †Pachyophidae Nopcsa 1923
+
G. †Eupodophis Rage and Escuillié 2001
G. †Mesophis Bolkay 1925
G. †Pachyophis Nopcsa 1923
Fm. Colubridae Oppel 1811 [colubrid snake]
+
G. Abastor Gray 1849
Unr. Aglypha Duméril
+
Invalid names: Coronellinae [empty], Dendrophidae [empty], Lycodontinae [empty], Rachiodontinae [empty], Tropidonotinae [empty]
G. Alsophis Fitzinger 1843
+
G. Apostolepis Cope 1862 [Burrowing snakes]
+
Apostolepis ammodites Ferrarezzi et al. 2005 [Tocantins blackhead]
Apostolepis assimilis Reinhardt 1861 [Reinhardt's burrowing snake]
Apostolepis cearensis Gomes 1915 [Gomes burrowing snake]
Apostolepis dorbignyi Schlegel 1837 [Bolivian burrowing snake]
Apostolepis flavotorquata Dumeril et al. 1854 [Central burrowing snake]
G. Bascanium Baird and Girard 1853
G. Carphophis Gervais 1840 [worm snake]
+
G. Cemophora Cope 1860
G. Chilomeniscus Cope 1860
G. Chionactis Cope 1860
Subfm. Colubrinae Oppel 1811
+
G. †Ameiseophis Holman 1976
G. Arizona Kennicott 1859
G. Coluber Linnaeus 1758 [racer]
+
Invalid names: Bascanion Baird and Girard 1853 [synonym], Nanus Bachmayer and Szyndlar 1985 [synonym]
G. Coronella Laurenti 1768
G. Cyclophiops Boulenger 1888
G. Dinodon Duméril et al. 1854
G. Drymobius Fitzinger 1843
G. Elaphe Wagler 1833
+
Invalid names: Palaeoelaphe Gilmore 1938 [synonym]
G. Ficimia Gray 1849
G. †Floridaophis Holman 1999
G. Lampropeltis Fitzinger 1843
G. Liochlorophis Oldham and Smith 1991
G. Macroprotodon Guichenot 1850 [false smooth snake]
G. Masticophis Baird and Girard 1853 [whip snake]
G. †Miocoluber Parmley 1988
G. †Nebraskophis Holman 1973
G. Opheodrys Fitzinger 1843
G. Oxybelis Wagler 1830
G. †Paracoluber Holman 1970
G. Phyllorhynchus Stejneger 1890
G. Pituophis Holbrook 1842 [gopher snake]
G. Salvadora Baird and Girard 1853
G. Stilosoma Brown 1890 [short-tailed snake]
G. Telescopus Waner 1830 [tiger snake]
G. †Texasophis Holman 1977
G. †Zelceophis Szyndlar 1984
G. †Zilantophis Jasinski and Moscato 2017
Invalid names: Coluber etruriae Portis 1890 [nomen vanum]
G. Coniophanes Cope 1860
G. Contia Baird and Girard 1853
G. Cyclophis Günther
G. †Dakotaophis Holman 1976
+
†Dakotaophis greeni Holman 1976
G. Dendrelaphis Boulenger 1890
Subfm. Dipsadinae Guenther 1858
+
G. Leptodeira Fitzinger 1843
G. Rhadinaea Cope 1868
G. Dromicus Bibron 1843
G. †Dryinoides Auffenberg 1958
+
†Dryinoides oxyrhachis Auffenberg 1958
G. Drymarchon Fitzinger 1843
+
Drymarchon corais Boie 1827 [cribo]
G. Eutaenia Baird and Girard 1853
G. Farancia Gray 1842
+
†Farancia abacura Holbrook 1836
G. Gyalopion Cope 1860
G. Haldea Baird and Girard 1853
G. Helicops Wagler 1830
G. Hierophis Fitzinger 1843
G. †Hispanophis Szyndlar 1985
+
†Hispanophis coronelloideus Szyndlar 1985
Subfm. Homalopsinae Cope 1864
+
G. Bitia Gray 1842
G. Cantoria Girard 1857
G. Cerberus Cuvier 1829
G. Enhydris Sonnini and Latreille 1802
G. Erpeton Lacépède 1800
G. Fordonia Gray 1842
G. Gerarda Gray 1849
G. Homalopsis Kuhl and Hasselt 1822
G. Myron Gray 1849
G. Hypsiglena Cope 1860
G. Leioheterodon Boulenger 1893 [Malagasy hognose snake]
G. Lodia Baird and Girard 1853
G. Lycodon Fitzinger 1826
G. Malpolon Fitzinger 1826
+
†Malpolon laurenti Depéret 1897
†Malpolon mlynarskii Szyndlar 1988
Malpolon monspessulanus Hermann 1804 [Montpellier snake]
G. †Mionatrix Sun 1961
+
†Mionatrix datomeus Sun Ailin 1861
Subfm. Natricinae Bonaparte 1838
+
G. Clonophis Cope 1889
G. †Micronatrix Parmley and Hunter 2010
G. †Neonatrix Holman 1973
G. Nerodia Baird and Girard 1853 [water snake]
G. †Paleonatrix Szyndlar 1982
G. Regina Baird and Girard 1853 [crayfish snake]
+
Invalid names: Liodytes Cope 1885 [synonym]
G. Rhabdophis Fitzinger 1843
G. Seminatrix Cope 1895
G. Tropidoclonion Cope 1860
G. Virginia Baird and Girard 1853
G. Ophibolus Baird and Girard 1853
Unr. Opisthoglypha Duméril
+
Invalid names: Dipsadomorphinae [empty], Dryadinae [empty], Dryophinae [empty], Elachistodontinae [empty]
G. Osceola Baird and Girard 1853
G. †Palaeomalpolon Szyndlar 1981
+
†Palaeomalpolon borealis Szyndlar 1981
G. †Palaeonatrix Szyndlar 1982
+
†Palaeonatrix lehmani Rage and Roček 1983
Invalid names: Dolniceophis Rage and Roček 1983 [synonym]
G. †Paleofarancia Auffenberg 1963
+
†Paleofarancia brevispinosus Auffenberg 1963
G. Pantherophis Fitzinger 1843
G. †Paraoxybelis Auffenberg 1963
+
†Paraoxybelis floridanus Auffenberg 1963
G. Phimothyra Cope 1860
G. †Pollackophis Holman 1998
+
†Pollackophis depressus Holman 1998
Unr. Proteroglypha Duméril
+
Infraor. Platycerca
Invalid names: Conocerca [empty]
G. Pseudoboa Schneider 1801
G. †Pseudocemophora Auffenberg 1963
+
†Pseudocemophora antiqua Auffenberg 1963
G. Rhinechis Michahelles 1833
+
Rhinechis agassizii Michahelles 1833
Rhinechis scalaris Schinz 1822 [ladder snake]
G. Rhinocheilus Baird and Girard 1853
G. Sibon Fitzinger 1826
G. Sonora Baird and Girard 1853
G. Spilotes Wagler
G. Storeria Baird and Girard 1853 [brown snake]
G. Tantilla Baird and Girard 1853
G. Thamnophis Fitzinger 1843 [garter snake]
+
†Thamnophis sirtalis Linnaeus
Invalid names: Chilopoma Cope 1875 [synonym]
G. Tretanorhinus Duméril et al. 1854
+
Tretanorhinus variabilis Duméril et al. 1854
G. Trimorphodon Cope 1869
G. Tropidonotus Kuhl 1826
+
Tropidonotus leberis Linnaeus 1758
Invalid names: Tropidonotus elongatus Troschel 1854 [nomen nudum]
Subfm. Xenodontinae Bonaparte 1845
+
G. Diadophis Baird and Girard 1853 [ringneck snake]
G. Heterodon Latreille 1801 [hog-nosed snake]
G. †Paleoheterodon Holman 1964
G. Zamenis Wagler 1830
Invalid names: Coluber owenii Meyer 1844 [nomen dubium], Naja sauvagei Rochebrune 1880 [nomen dubium], Palaelaphis De Rochebrune 1884 [nomen dubium], Pylmophis De Rochebrune 1884 [nomen dubium], Scaptophis Rochebrune 1880 [nomen dubium], Tachyophis De Rochebrune 1884 [nomen dubium]
G. †Diablophis Caldwell et al. 2015
+
†Diablophis gilmorei Evans 1996
G. †Dinilysia Woodward 1901
+
†Dinilysia patagonica Woodward 1901
Fm. Dipsadidae Bonaparte 1838
+
G. Cubophis Hedges and Vidal 2009
+
Cubophis vudii Cope 1862
G. †Eophis Caldwell et al. 2015
+
†Eophis underwoodi Caldwell et al. 2015
G. †Goinophis Holman 1976
+
†Goinophis minusculus Holman 1976
G. Hoplocephalus Wagler 1830
G. †Lunaophis Albino et al. 2016
+
†Lunaophis aquaticus Albino et al. 2016
Fm. †Madtsoiidae Hoffstetter 1961
+
G. †Adinophis Pritchard et al. 2014
+
†Adinophis fisaka Pritchard et al. 2014
G. †Alamitophis Albino 1986
+
†Alamitophis argentinus Albino 1986
†Alamitophis elongatus Albino 1994
†Alamitophis tingamarra Scanlon 2005
G. †Eomadtsoia Gómez et al. 2019
+
†Eomadtsoia ragei Gómez et al. 2019
G. †Gigantophis Andrews 1901
+
†Gigantophis garstini Andrews 1901
G. †Herensugea Rage 1996
+
G. †Madtsoia Simpson 1933
+
†Madtsoia bai Simpson 1933
†Madtsoia camposi Rage 1998
†Madtsoia madagascariensis Hoffstetter 1961
†Madtsoia pisdurensis Mohabey et al. 2011
G. †Menarana LaDuke et al. 2010
+
†Menarana laurasiae Rage 1996
†Menarana nosymena LaDuke et al. 2010
G. †Nanowana Scanlon 1997
+
†Nanowana godthelpi Scanlon 1997
†Nanowana schrenki Scanlon 1997
G. †Nidophis Vasile et al. 2013
+
†Nidophis insularis Vasile et al. 2013
G. †Patagoniophis Albino 1986
+
†Patagoniophis parvus Albino 1986
G. †Platyspondylophis Smith et al. 2016
+
†Platyspondylophis tadkeshwarensis Smith et al. 2016
G. †Powellophis Garberoglio et al. 2022
+
†Powellophis andina Garberoglio et al. 2022
G. †Rionegrophis Albino 1986
+
G. †Vasuki Datta and Bajpai 2024
+
†Vasuki indicus Datta and Bajpai 2024
G. †Wonambi Smith 1976
+
†Wonambi barriei Scanlon and Lee 2000
†Wonambi naracoortensis Smith 1976
G. †Yurlunggur Scanlon 1992
+
†Yurlunggur camfieldensis Scanlon 1992
Fm. Natricidae Bonaparte 1838
+
G. Natrix Laurenti 1768 [water snake]
+
†Natrix longivertebrata Szyndlar 1984
Natrix maura Linnaeus 1758
†Natrix merkurensis Ivanov 2002
†Natrix mlynarskii Rage 1988
†Natrix natrix Linnaeus 1758
†Natrix parva Szyndlar 1984
†Natrix rusticus Brunner 1957
†Natrix sansaniensis Lartet 1851
†Natrix vulgaris Laurenti 1768
Invalid names: Coluber podolicus von Meyer 1844 [nomen dubium], Hydrus Schneider 1799 [synonym]
G. Ophidium Linnaeus 1758
+
†Ophidium biarritzense Sulc 1932
†Ophidium biscaicum Sulc 1932
†Ophidium magnus Bassoli 1906
Fm. †Palaeophiidae Lydekker 1888
+
Subfm. †Archaeophiinae Janensch 1906
+
G. †Archaeophis Massalongo 1859
G. †Palaeophis Owen 1841
+
†Palaeophis africanus Andrews 1924
†Palaeophis casei Holman 1982
†Palaeophis colossaeus Rage 1983
†Palaeophis ferganicus Averianov 1997
†Palaeophis grandis Marsh 1869
†Palaeophis littoralis Cope 1847
†Palaeophis longus Owen 1849
†Palaeophis maghrebianus Arambourg 1952
†Palaeophis nessovi Averianov 1997
+
Invalid names: Palaeophis udovichenkoi Averianov 1997 [synonym]
†Palaeophis oweni de Zigno 1881
†Palaeophis porcatus Owen 1849
†Palaeophis tamdy Averianov 1997
†Palaeophis toliapicus Owen 1841
†Palaeophis typhaeus Owen 1850
†Palaeophis vastaniensis Bajpai and Head 2008
†Paleophis virginianus Lynn 1934
Invalid names: Dinophis Marsh 1869 [synonym], Nessovophis Averianov 1997 [synonym], Palaeophis giganteus Pomel 1847 [nomen nudum], Palaeophis halidanus Cope 1868 [nomen dubium], Titanophis Marsh 1878 [synonym], Vialovophis Nessov 1984 [synonym]
G. †Pterosphenus Lucas 1898
+
†Pterosphenus biswasi Rage et al. 2003
†Pterosphenus kutchensis Rage et al. 2003
†Pterosphenus sheppardi Hoffstetter 1958
Invalid names: Moeriophis Andrews 1901 [synonym], Pterosphenus muruntau Averianov 1997 [nomen dubium]
Invalid names: Palaeopheinae Lydekker [empty], Palaeophiinae Lydekker 1888 [empty]
G. †Portugalophis Caldwell et al. 2015 [snake]
+
†Portugalophis lignites Caldwell et al. 2015 [snake]
G. Pseudonaja Günther 1858
+
Pseudonaja nuchalis Günther 1858
Superfm. †Pythonoidea Fitzinger 1826
+
G. †Messelopython Zaher and Smith 2020
+
†Messelopython freyi Zaher and Smith 2020
Infraor. Scolecophidia Duméril and Bibron 1844
+
+
G. Anomalepis Jan 1860 [South American blind snakes]
G. Helminthophis Peters 1860 [Greater blind snakes]
G. Liotyphlops Peters 1881 [Lesser blind snakes]
G. Typhlophis Fitzinger 1843 [Trinidad blind snakes]
Fm. Leptotyphlopidae Stejneger 1892
+
G. Leptotyphlops Fitzinger 1843 [Slender blind snakes]
Invalid names: Glauconiidae Boulenger 1890 [synonym], Stenostomidae Cope 1871 [synonym]
Fm. Typhlopidae Bonaparte 1831 [blind snake]
+
G. Typhlops Oppel 1811 [blind snake]
Superfm. Typhlopoidea
+
G. †Boipeba Fachini et al. 2020
G. Xerotyphlops Hedges 2014
+
Xerotyphlops socotranus Boulenger 1889 [Socotra worm snake]
G. †Tomodon Duméril 1853
G. †Xiaophis Xing et al. 2018
+
†Xiaophis myanmarensis Xing et al. 2018
Invalid names: Botrophis de Rochebrune 1880 [nomen dubium], Coluber steinheimensis Fraas 1870 [nomen dubium], Coniophis Marsh 1892 [nomen dubium], Coniophis cosgriffi Armstrong-Ziegler 1978 [nomen dubium], Coniophis dabiebus Rage and Werner 1999 [nomen dubium], Coniophis precedens Marsh 1892 [nomen dubium], Dinilysiidae Romer 1956 [empty], Hoffstetterella Rage 1998 [nomen dubium], Hoffstetterella brasiliensis Rage 1998 [nomen dubium], Ophidion Pomel 1853 [nomen dubium], Ophidioniscus Pomel 1853 [nomen dubium], Ophidium Burmeister 1885 [nomen dubium]
+
G. †Simoliophis Sauvage 1880
+
†Simoliophis libycus Nessov et al. 1998
†Simoliophis rochebrunei Sauvage 1880
Superfm. Solenoglypha
+
Invalid names: Atractaspididae Günther 1858 [empty], Causidae Cope 1859 [empty]
Invalid names: Angiostomata Stannius 1856 [empty], Colubriformia [empty], Coniophidae Hoffstetter 1955 [empty], Psammophidae [empty], Tortricina Müller [empty]
G. †Oxiella Evans 1998
+
†Oxiella tenuis Evans 1998
G. †Paleochelco Martinelli et al. 2021
+
†Paleochelco occultato Martinelli et al. 2021
Unr. †Pangekkota Bauer 2020
+
G. †Bauersaurus Čerňanský et al. 2023
+
†Bauersaurus cosensis Čerňanský et al. 2023
Unr. †Panxenosaurus Smith and Gauthier 2013
+
G. †Blutwurstia Smith et al. 2022
+
†Blutwurstia oliviae Smith et al. 2022
G. †Paraplacosauriops Auge and Sullivan 2006
+
G. †Parasaurillus Evans and Searle 2002
+
†Parasaurillus pseudobtusus Evans and Searle 2002
G. †Parviraptor Evans 1994
+
†Parviraptor estesi Evans 1994
G. †Pseudosaurillus Hoffstetter 1967
+
†Pseudosaurillus becklesi Hoffstetter 1967
Unr. †Pythonomorpha Cope 1869
+
Unr. †Dolichosauridae Gervais 1852
+
G. †Acteosaurus von Meyer 1860
+
†Acteosaurus tommasinii Meyer 1860
G. †Adriosaurus Seeley 1881
+
†Adriosaurus microbrachis Palci and Caldwell 2007
†Adriosaurus skrbinensis Caldwell and Palci 2010
†Adriosaurus suessi Seeley 1881
+
Invalid names: Acteosaurus crassicostatus Calligaris 1993 [synonym]
G. †Aphanizocnemus Dal Sasso and Pinna 1997
+
†Aphanizocnemus libanensis Dal Sasso and Pinna 1997
G. †Coniasaurus Owen 1850
+
†Coniasaurus gracilodens Caldwell 1999
G. †Dolichosaurus Owen 1850
+
G. †Pontosaurus Kramberger 1892
+
†Pontosaurus kornhuberi Caldwell 2006
†Pontosaurus lesinensis Kornhuber 1873
G. †Primitivus Paparella et al. 2018
+
†Primitivus manduriensis Paparella et al. 2018
G. †Tetrapodophis Martill et al. 2015
+
†Tetrapodophis amplectus Martill et al. 2015
Invalid names: Dolichosauri Boulenger 1893 [empty]
G. †Sauripes Lee et al. 2018
+
†Sauripes hadongensis Lee et al. 2018
G. †Scandensia Evans and Barbadillo 1998
+
†Scandensia ciervensis Evans and Barbadillo 1998
G. †Schillerosaurus Nydam et al. 2013
+
†Schillerosaurus utahensis Nydam et al. 2013
+
Invalid names: Schilleria utahensis Evans and Chure 1999 [replaced]
Invalid names: Schilleria Evans and Chure 1999 [replaced]
Unr. Scincogekkonomorpha Sukhanov 1961
+
G. †Pedrerasaurus Bolet and Evans 2010
+
†Pedrerasaurus latifrontalis Bolet and Evans 2010
Superfm. †Scincoidea Oppel 1811
+
G. †Carusia Borsuk-Bialynicka 1987
+
†Carusia intermedia Borsuk-Bialynicka 1985
Invalid names: Carolina Borsuk-Bialynicka 1985 [replaced]
Fm. Cordylidae Gray 1837 [spinytail lizard]
+
G. †Bavaricordylus Kosma 2004
+
Subfm. Cordylinae Mertens 1937
+
G. Chamaesaura Schneider 1801 [Snake lizards]
G. Cordylus Laurenti 1768 [girdled lizard]
+
Cordylus cataphractus Bole 1828 [Armadillo spinytail lizard]
Cordylus polyzonus Smith 1838 [African spinytail lizard]
G. Hemicordylus Smith 1838 [False girdled lizards]
G. Karusasaurus Stanley et al. 2011
G. Namazonurus Stanley et al. 2011
G. Ninurta Stanley et al. 2011
G. Ouroborus Stanley et al. 2011
G. Pseudocordylus Smith 1838 [False girdled lizards]
G. Smaug Stanley et al. 2011
+
Smaug giganteus Smith 1844 [Gant spinytail lizard]
G. †Eocordyla Augé 2005
+
†Eocordyla mathisi Augé 2005
G. †Konkasaurus Krause et al. 2003
+
†Konkasaurus mahalana Krause et al. 2003
G. †Palaeocordylus Roček 1984
+
†Palaeocordylus bohemicus Roček 1984
Subfm. Platysaurinae Stanley et al. 2011
+
G. Platysaurus Smith 1844 [Flat lizards]
G. †Pseudolacerta De Stefano 1903
+
†Pseudolacerta mucronata Filhol 1877
Invalid names: Zonuridae Gray 1838 [synonym]
Unr. †Cordyliformes Fitzinger 1826
+
G. †Deccansaurus Yadav et al. 2023
+
†Deccansaurus palaeoindicus Yadav et al. 2023
G. †Dakotaseps Nydam 2014
+
†Dakotaseps gillettorum Nydam 2013
Invalid names: Dakotasaurus Nydam 2013 [replaced]
G. †Dimekodontosaurus Nydam 2002
+
G. †Eoxanta Borsuk-Bialynicka 1988
+
†Eoxanta lacertifrons Borsuk-Bialynicka 1988
G. Estescincosaurus Sullivan 1997
+
†Estescincosaurus cooki Estes 1964
+
G. Feylinia Gray 1845 [feylinias]
+
Feylinia currori Gray 1845 [Western forest feylinias]
Feylinia polylepis Bocage 1887 [Manyscaled feylinias]
G. †Foliesaurus Auge and Smith 2009
+
†Foliesaurus boutersemensis Auge and Smith 2009
Fm. Gerrhosauridae Boulenger 1885 [plated lizard]
+
G. Gerrhosaurus Wiegmann 1828
G. Zonosaurus Boulenger 1887 [zonosaur]
+
Zonosaurus madagascariensis Gray 1845 [Madagascar girdled lizard]
Zonosaurus ornatus Gray 1845 [Ornate girdled lizard]
G. †Globaura Borsuk-Bialynicka 1988
+
†Globaura venusta Borsuk-Bialynicka 1988
G. †Hymenosaurus Gao and Norell 2000
+
†Hymenosaurus clarki Gao and Norell 2000
G. †Myrmecodaptria Gao and Norell 2000
+
†Myrmecodaptria microphagosa Gao and Norell 2000
G. †Ornatocephalus Weber 2004
+
Fm. †Paramacellodidae Estes 1983
+
G. †Atokasaurus Nydam and Cifelli 2002
+
†Atokasaurus metarsiodon Nydam and Cifelli 2002
G. †Becklesius Estes 1983
+
†Becklesius cataphractus Richter 1994
†Becklesius hoffstetteri Seiffert 1975
†Becklesius nopcsai Folie and Codrea 2005
G. †Hypostylos Wick and Shiller, II 2020
+
†Hypostylos lehmani Wick and Shiller, II 2020
G. †Ilekia Averianov et al. 2005
+
†Ilekia sibirica Averianov et al. 2005
G. †Naimanosaurus Alifanov 2019
+
G. †Neokotus Souza Bittencourt et al. 2020
+
†Neokotus sanfranciscanus Souza Bittencourt et al. 2020
G. †Paramacellodus Hoffstetter 1967
+
†Paramacellodus keebleri Nydam and Cifelli 2002
†Paramacellodus marocensis Richter 1994
†Paramacellodus oweni Hoffstetter 1967
+
Invalid names: Becklesisaurus scincoides Hoffstetter 1967 [synonym]
†Paramacellodus sinuosus Richter 1994
G. †Saurillodon Estes 1983
+
G. †Saurillus Owen 1855
+
†Saurillus henkeli Seiffert 1975
†Saurillus obtusus Owen 1855
†Saurillus robustidens Hoffstetter 1967
G. †Sciroseps Suarez et al. 2021
+
†Sciroseps pawhuskai Suarez et al. 2021
G. †Sharovisaurus Hecht and Hecht 1984
+
†Sharovisaurus karatauensis Hecht and Hecht 1984
G. †Parmeosaurus Gao and Norell 2000
+
†Parmeosaurus scutatus Gao and Norell 2000
G. †Pyrenasaurus Bolet and Auge 2014
+
†Pyrenasaurus evansae Bolet and Auge 2014
Fm. Scincidae Gray 1825 [skink]
+
G. Acontias Cuvier 1817 [Lance skinks]
+
Acontias meleagris Linneaus 1758 [Linneaus' lance skink]
Acontias percivali Loveridge 1935 [Percival's lance skink]
Acontias plumbeus Bianconi 1849 [Giant lance skink]
G. †Aethesia Hutchinson and Scanlon 2009
+
†Aethesia frangens Hutchinson and Scanlon 2009
G. †Aocnodromeus Gao and Fox 1996
+
†Aocnodromeus corrugatus Gao and Fox 1996
G. †Axonoscincus Augé 2003
+
†Axonoscincus sabatieri Augé 2003
G. †Ayalasaurus Augé 2005
+
†Ayalasaurus tenuis Augé 2005
G. †Berruva Augé 2005
+
†Berruva louisi Augé 2005
G. Corucia Gray 1855 [Solomon Island skinks]
+
Corucia zebrata Gray 1855 [Solomon Island skink]
G. Eugongylus Fitzinger 1843
G. †Gekkomimus Bolet et al. 2015
+
†Gekkomimus rugosus Augé 2005
G. Lygosoma Hardwicke and Gray 1828 [writhing skink]
+
Subg. Lygosoma (Mocoa) Gray 1845
Subfm. Lygosominae Mittleman 1952
+
G. Ablepharus Lichtenstein 1823
G. Egernia Gray 1838
+
Egernia gillespieae Thorn et al. 2019
G. Eulamprus Fitzinger 1843 [water skink]
G. †Leiolpisma Dumeril and Bibron 1839
G. Mabuya Fitzinger 1826
G. †Proegernia Martin et al. 2004
+
†Proegernia mikebulli Thorn et al. 2021
†Proegernia palankarinnensis Martin et al. 2004
G. Trachydosaurus Gray 1825
G. Tropidophorus Dumeril and Bibron 1839
+
†Tropidophorus bavaricus Böhme 2010
G. Oligosoma Girard
+
Oligosoma lineoocellatum Duméril and Duméril 1851
G. Ophiomorus Duméril and Bibron 1839
G. †Orthoscincus Augé 2005
+
G. †Orthrioscincus Gao and Fox 1996
+
†Orthrioscincus mixtus Gao and Fox 1996
G. Parotosaurus Boulenger 1914
G. †Penemabuya Gao and Fox 1996
+
†Penemabuya antecessor Gao and Fox 1996
G. Plestiodon Dumeril and Bibron 1839 [skink]
G. †Sauriscus Estes 1964
Subfm. Scincinae Gray 1825
+
G. †Chalcides Linnaeus 1758
+
†Chalcides augei Čerňanský et al. 2019
Chalcides bedriagae Boulenger 1887
G. Eumeces Wiegmann 1834
+
†Eumeces antiquus Holman 1981
†Eumeces capito Bocourt 1879
Eumeces fasciatus Linnaeus 1758 [five-lined skink]
Eumeces laticeps Schneider 1801 [Broadhead skink]
Eumeces obsoletus Baird and Girard 1852 [Great plains skink]
Eumeces skiltonianus Baird and Girard 1852 [Western skink]
Invalid names: Eumeces minimus Holman 1976 [nomen dubium]
G. Gongylomorphus Fitzinger 1843
G. Sphenomorphus Fitzinger 1842 [common skink]
+
Sphenomorphus tympanum Lönnberg and Andersson 1913
G. Tiliqua Gray 1825
+
†Tiliqua pusilla Shea and Hutchinson 1992
Tiliqua scincoides White 1790 [Eastern bluetongue skink]
G. Trachylepis Fitzinger 1843
+
Trachylepis socotrana Peters 1882 [Socotra skink]
G. Verticaria Cope
Invalid names: Egerniinae Welch 1982 [empty], Feylininae Camp 1923 [empty]
G. †Scincoideus Folie et al. 2005
+
†Scincoideus grassator Smith and Gauthier 2013
†Scincoideus haininensis Folie et al. 2005
G. †Tepexisaurus Reynoso and Callison 2000
+
†Tepexisaurus tepexii Reynoso and Callison 2000
G. †Webbsaurus Nydam 2013
+
†Webbsaurus lofgreni Nydam 2013
Fm. Xantusiidae Baird 1858 [night lizard]
+
G. †Catactegenys Nydam et al. 2013
+
†Catactegenys solaster Nydam et al. 2013
G. Cricosaura Gundlach and Peters 1863 [Cuban night lizards]
+
Cricosaura typica Gundlach and Peters 1863 [Cuban night lizard]
G. Klauberina Cope 1883 [Island night lizards]
+
Klauberina riversiana Cope 1883 [Island night lizard]
G. Lepidophyma Duméril 1851 [tropical night lizard]
+
†Lepidophyma arizeloglyphus Langebartel 1953
Lepidophyma flavimaculatum Dumeril 1851 [Yellow-spotted night lizard]
Lepidophyma gaigeae Mosauer 1936 [Gaige's tropical night lizard]
Lepidophyma smithii Bocourt 1876 [Smiths tropical night lizard]
Invalid names: Gaigeia Smith 1939 [synonym], Impensodens Langebartel 1953 [synonym]
G. †Palaeoxantusia Hecht 1956
+
†Palaeoxantusia allisoni Schatzinger 1980
†Palaeoxantusia amara Smith and Gauthier 2013
†Palaeoxantusia borealis Holman 1972
†Palaeoxantusia fera Hecht 1956
†Palaeoxantusia kyrentos Schatzinger 1980
G. †Palepidophyma Smith and Gauthier 2013
+
†Palepidophyma lilliputiana Smith and Gauthier 2013
†Palepidophyma paradisa Smith and Gauthier 2013
G. †Paracontogenys Schatzinger 1975
+
†Paracontogenys estesi Schatzinger 1975
G. Xantusia Baird 1859 [night lizard]
+
†Xantusia downsi Norell 1989
Xantusia henshawi Stejneger 1893 [Granite night lizard]
Xantusia vigilis Baird 1858 [Desert night lizard]
Unr. Scincomorpha Camp 1923
+
G. †Apsgnathus Nydam et al. 2013
+
†Apsgnathus triptodon Nydam et al. 2013
G. †Balnealacerta Evans 1998
+
G. †Becklesisaurus Hoffstetter 1967
G. †Bellairsia Evans 1998
+
†Bellairsia gracilis Evans 1998
G. †Bothriagenys Nydam 2002
+
†Bothriagenys flectomendax Wick and Shiller, II 2020
†Bothriagenys mysterion Nydam 2002
G. †Calanguban Simões et al. 2015
+
†Calanguban alamoi Simões et al. 2015
Fm. †Carusiidae Borsuk-Bialynicka 1987
+
G. †Shinisauroides Borsuk-Bialynicka 1985
+
†Shinisauroides latipalatum Borsuk-Bialynicka 1985
Invalid names: Carolinidae Borsuk-Bialynicka 1985 [replaced]
G. †Chromatogenys Makadi and Nydam 2015
+
†Chromatogenys tiliquoides Makadi and Nydam 2015
Fm. †Contogeniidae Nydam and Fitzpatrick 2009
+
G. †Palaeoscincosaurus Sullivan and Lucas 1996
+
†Palaeoscincosaurus middletoni Sullivan and Lucas 1996
†Palaeoscincosaurus pharkidodon Nydam and Fitzpatrick 2009
G. †Utahgenys Nydam and Fitzpatrick 2009
+
†Utahgenys antongai Nydam 2013
†Utahgenys evansi Nydam and Fitzpatrick 2009
Superfm. Cordyloidea Fitzinger 1826
+
Invalid names: Zonuroidea [synonym]
Fm. †Eoxantidae Alifanov 1993
+
G. †Palaeoxanta Alifanov 2019
+
†Palaeoxanta conicodentata Alifanov 2019
Fm. †Gilmoreteiidae Langer 1998
+
G. †Yechilacerta Xing et al. 2023
+
†Yechilacerta yingliangia Xing et al. 2023
Fm. †Globauridae Longrich et al. 2012
+
G. †Contogenys Estes 1969
+
†Contogenys ekalakaensis Nydam and Fitzpatrick 2009
†Contogenys sloani Estes 1969
G. †Khereidia Alifanov 2019
+
†Khereidia aptiana Alifanov 2019
G. †Hugueneysaurus Augé 2005
+
G. †Kleskunsaurus Nydam et al. 2010
+
†Kleskunsaurus grandeprairiensis Nydam et al. 2010
G. †Lonchisaurus Longrich et al. 2012
+
†Lonchisaurus trichurus Longrich et al. 2012
G. †Monocnemodon Nydam 2013
+
†Monocnemodon syphakos Nydam 2013
Unr. †Polyglyphanodontia Alifanov 2000
+
Unr. †Borioteiioidea Nydam et al. 2007
+
Fm. †Chamopsiidae Denton and O'Neill 1995
+
G. †Chamops Marsh 1892
+
Invalid names: Alethesaurus Gilmore 1928 [synonym], Lanceosaurus Gilmore 1928 [synonym]
G. †Haptosphenus Estes 1964
G. †Leptochamops Estes 1964
G. †Meniscognathus Estes 1964
G. †Pelsochamops Makadi 2013
G. †Peneteius Estes 1969
+
Invalid names: Manangyasaurus McCord 1998 [synonym]
G. †Prototeius Denton and O'Neill 1995
G. †Socognathus Gao and Fox 1991
G. †Stypodontosaurus Gao and Fox 1996
G. †Tripennaculus Nydam and Voci 2007
G. †Cryptobicuspidon de Carvalho and Santucci 2023
+
†Cryptobicuspidon pachysymphysealis de Carvalho and Santucci 2023
G. †Hydrargysaurus Wick and Shiller, II 2020
+
†Hydrargysaurus gladius Wick and Shiller, II 2020
G. †Kuwajimalla Evans and Manabe 2008
+
†Kuwajimalla kagaensis Evans and Manabe 2008
G. †Obamadon Longrich et al. 2012
+
†Obamadon gracilis Longrich et al. 2012
Fm. †Polyglyphanodontidae Gilmore 1942
+
G. †Adamisaurus Sulimski 1972
+
†Adamisaurus magnidentatus Sulimski 1972
G. †Bicuspidon Nydam and Cifelli 2002
+
†Bicuspidon hatzegiensis Folie and Codrea 2005
†Bicuspidon hogreli Vullo and Rage 2018
†Bicuspidon numerosus Nydam and Cifelli 2002
†Bicuspidon smikros Nydam 2013
G. †Cherminsaurus Sulimski 1975
+
†Cherminsaurus kozlowskii Sulimski 1975
†Cherminsaurus tereschenkoi Alifanov 2000
G. †Darchansaurus Sulimski 1975
+
†Darchansaurus estesi Sulimski 1975
G. †Distortodon Makadi 2013
+
†Distortodon rhomboideus Makadi 2013
G. †Erdenetesaurus Sulimski 1975
+
†Erdenetesaurus robinsonae Sulimski 1975
G. †Gilmoreteius Langer 1998
+
†Gilmoreteius chulsanensis Sulimski 1975
†Gilmoreteius ferrugenous Gilmore 1943
†Gilmoreteius gilmorei Sulimski 1975
Invalid names: Macrocephalosaurus Gilmore 1943 [replaced]
G. †Gobinatus Alifanov 1993
+
†Gobinatus arenosus Alifanov 1993
G. †Paraglyphanodon Gilmore 1940
+
†Paraglyphanodon gazini Gilmore 1943
†Paraglyphanodon utahensis Gilmore 1940
G. †Polyglyphanodon Gilmore 1940
+
Unr. †Polyglyphanodontini Nydam et al. 2007
+
G. †Dicothodon Nydam 1999
G. †Sineoamphisbaena Wu et al. 1993
+
G. †Tchingisaurus Alifanov 1993
+
†Tchingisaurus multivagus Alifanov 1993
Subfm. †Tuberocephalosaurinae Alifanov 2000
+
G. †Aprisaurus Alifanov 2000
G. †Funiusaurus Xu et al. 2014
G. †Gobileon Alifanov 2000
G. †Tianyusaurus Lü et al. 2008
G. †Tuberocephalosaurus Alifanov 2000
Invalid names: Adamisauridae Sulimski 1972 [synonym]
Fm. †Slavoiidae Alifanov 1993
+
G. †Slavoia Sulimski 1984
+
†Slavoia darevskii Sulimski 1984
Invalid names: Leptoglossa [synonym]
Unr. †Scleroglossa Estes et al. 1988
+
Subor. †Autarchoglossa Wagler 1830
+
G. †Baabdasaurus Arnold et al. 2002
+
†Baabdasaurus xenurus Arnold et al. 2002
Unr. †Evansauria Conrad 2008
+
G. †Tijubina Bonfim Júnior and Marques 1997
+
†Tijubina pontei Bonfim Júnior and Marques 1997
G. †Indrasaurus O'Connor et al. 2019
+
†Indrasaurus wangi O'Connor et al. 2019
G. †Liaoningolacerta Ji 2005
+
G. †Sakurasaurus Evans and Manabe 1999
+
†Sakurasaurus shokawensis Evans and Manabe 1999
G. †Tedorosaurus Shikama 1967
+
†Tedorosaurus asuwaensis Shikama 1967
Fm. †Trachelosauridae Broili 1917
+
G. †Trachelosaurus Broili and Fischer 1917
+
†Trachelosaurus fischeri Broili and Fischer 1917
G. †Yabeinosaurus Endo and Shikama 1942
+
†Yabeinosaurus bicuspidens Dong et al. 2017
†Yabeinosaurus robustus Dong et al. 2017
Invalid names: Yabeinosaurus tenuis Endo and Shikama 1942 [nomen dubium]
Invalid names: Ameivoidea Fitzinger 1826 [empty], Araeoscelomorphi Hay 1930 [empty], Draconoidea Fitzinger 1826 [empty], Haplodontosaurus Gilmore 1942 [nomen dubium], Harpagosaurus excedens Gilmore 1928 [nomen dubium], Iguana haueri Meyer 1842 [nomen dubium], Lacertibaenia Vidal and Hedges [empty], Paikasisaurus Yadagiri 1986 [nomen dubium], Palaeophidae [empty], Panscincoidea Brownstein et al. 2022 [empty], Panxantusiidae Gauthier et al. 2012 [empty], Thalattosauromorphi Hay 1930 [empty], Xestops gracilis Marsh 1872 [nomen dubium], Yabeinosaurus youngi Hoffstetter 1964 [nomen dubium], Zanclodontidae Marsh 1882 [empty]
Diagnosis
No diagnoses are available