PBDB Taxon

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Crocopoda

Reptilia

Taxonomy

Crocopoda was named by Ezcurra (2016). It was considered monophyletic by Ezcurra (2016).

It was assigned to Archosauromorpha by Ezcurra (2016).

Subtaxa

Allokotosauria, Ankistrodon (syn. Epicampodon), Ankistrodon indicus, Archosauriformes, Blomia, Blomia georgii, Boreopricea, Eorasaurus, Prolacertidae, Prolacertoides, Rhynchosauria (syn. Gnathodontia), Tasmaniosaurus, Tsylmosuchus, Tsylmosuchus donensis, Tsylmosuchus jakovlevi

Sister taxa

Allokotosauria, Archosauriformes, Rhynchosauria (syn. Gnathodontia)

Synonyms

Tsylmosuchus was named by Sennikov (1990).

It was considered a nomen dubium by Ezcurra (2016).

It was assigned to Rauisuchidae by Sennikov (1990) and Gower and Sennikov (2000).
Tsylmosuchus jakovlevi was named by Sennikov (1990). Its type specimen is PIN 4332/1, a set of vertebrae, and it is a 3D body fossil. Its type locality is Cherepanka, which is in an Olenekian terrestrial horizon in the Ustmylian Formation of the Russian Federation.

It was considered a nomen dubium by Ezcurra (2016).
Tsylmosuchus donensis was named by Sennikov (1990). Its type specimen is PIN 1043/42, a set of vertebrae (Cervical vertebra), and it is a 3D body fossil. Its type locality is Lipovskaya gully (Donskaya Luka), which is in an Olenekian terrestrial horizon in the Lipovskaya Formation of the Russian Federation.

It was considered a nomen dubium by Ezcurra (2016).
Blomia was named by Sennikov (1992).

It was replaced with Blomosuchus by Sennikov (1997); it was considered a nomen dubium by Ezcurra (2016).

It was assigned to Proterosuchidae by Sennikov (1992).
Blomia georgii was named by Sennikov (1992). Its type specimen is PIN 1025/348, a partial skull (Partial parabasisphenoid), and it is a 3D body fossil. Its type locality is Spasskoye settlement (Vokhma Formation), PIN 1025, which is in an Induan terrestrial horizon in the Vokhminskaya Formation of the Russian Federation.

It was recombined as Blomosuchus georgii by Sennikov (1997) and Ezcurra et al. (2013); it was considered a nomen dubium by Ezcurra (2016).
Ankistrodon was named by Huxley (1865) [also attributed to Beauvios 1799].

It was replaced with Epicampodon by Lydekker (1885), Lydekker (1887), Zittel (1890), Nopcsa (1901) and Huene (1902); it was synonymized subjectively with Thecodontosaurus by Huene (1914); it was synonymized subjectively with Proterosuchus by Romer (1972); it was corrected as Agkistrodon by Holman (1985), Parmley and Holman (1995), Frank and Ramus (1996), Parmley and Holman (2007) and Parmley and Hunter (2010); it was considered a nomen dubium by Charig and Reig (1970) and Charig and Sues (1976); it was considered a nomen dubium by Ezcurra (2016).

It was assigned to Crotalidae by Cope (1875); to Dinosauria by Lydekker (1879) and Lydekker (1883); to Dinosauria by Blanford (1885); to Viperidae by Parmley and Holman (1995) and Frank and Ramus (1996); to Crotalinae by Holman (1985), Parmley and Holman (2007) and Parmley and Hunter (2010); and to Proterosuchidae by Ezcurra et al. (2013).
Ankistrodon indicus was named by Huxley (1865). It is a 3D body fossil. Its type locality is Deoli, which is in an Induan/Smithian fluvial sandstone in the Panchet Formation of India.

It was recombined as Epicampodon indicus by Lydekker (1885), Lydekker (1885), Lydekker (1887), Nopcsa (1901), Huene and Matley (1933) and Huene (1940); it was recombined as Thecodontosaurus indicus by Huene (1914) and Kuhn (1939); it was recombined as Chasmatosaurus indicus by Huene (1942); it was considered a nomen dubium by Charig and Reig (1970), Charig and Sues (1976) and Ezcurra (2016).
Epicampodon was named by Lydekker (1885).

It was synonymized subjectively with Thecodontosaurus by Huene (1914); it was synonymized subjectively with Chasmatosaurus by Huene (1942); it was synonymized subjectively with Ankistrodon by Charig and Reig (1970); it was synonymized subjectively with Proterosuchus by Romer (1972).

It was assigned to Megalosaurinidae by Lydekker (1885); to Dinosauria by Lydekker (1885) and Lydekker (1887); to Anchisauridae by Nopcsa (1901); to Zanclodontidae by Zittel (1890) and Huene (1902); to Theropoda by Huene and Matley (1933); and to Saurischia by Huene (1940).

Synonymy list

Year	Name and author
1865	Ankistrodon indicus Huxley
1865	Ankistrodon Huxley p. 12
1865	Ankistrodon indicus Huxley p. 12
1875	Ancistrodon Cope p. 34
1879	Ankistrodon Lydekker p. 17
1879	Ankistrodon indicus Lydekker p. 17
1880	Ankistrodon indicus Lydekker p. 17
1883	Ankistrodon indicus Lydekker p. 65
1883	Ankistrodon Lydekker p. 86
1885	Ancistrodon Blanford p. 698
1885	Epicampodon Lydekker p. v
1885	Epicampodon indicus Lydekker p. v
1885	Epicampodon Lydekker p. 37
1885	Epicampodon indicus Lydekker p. 37
1887	Epicampodon indicus Lydekker p. 68
1887	Epicampodon Lydekker p. 78
1890	Epicampodon Zittel p. 722
1901	Epicampodon Nopcsa p. 197
1901	Epicampodon indicus Nopcsa p. 197
1902	Epicampodon Huene
1914	Thecodontosaurus indicus Huene p. 13
1933	Epicampodon Huene and Matley p. 2
1933	Epicampodon indicus Huene and Matley p. 2
1939	Thecodontosaurus indicus Kuhn p. 62
1940	Epicampodon Huene p. 273
1940	Epicampodon indicus Huene p. 273
1942	Chasmatosaurus indicus Huene pp. 358-360
1985	Agkistrodon Holman
1990	Tsylmosuchus Sennikov
1990	Tsylmosuchus donensis Sennikov
1990	Tsylmosuchus jakovlevi Sennikov
1992	Blomia Sennikov
1992	Blomia georgii Sennikov
1995	Agkistrodon Parmley and Holman p. 85
1996	Agkistrodon Frank and Ramus
1997	Blomosuchus georgii Sennikov
2000	Tsylmosuchus Gower and Sennikov p. 154
2007	Agkistrodon Parmley and Holman p. 141
2010	Agkistrodon Parmley and Hunter p. 539
2013	Ankistrodon Ezcurra et al.
2013	Blomosuchus georgii Ezcurra et al.
2016	Crocopoda Ezcurra

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha

Rank	Name	Author
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Crocopoda

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. †Crocopoda Ezcurra 2016

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Unr. †Allokotosauria Nesbitt et al. 2015

Fm. †Azendohsauridae Nesbitt et al. 2015

G. †Azendohsaurus Dutuit 1972

†Azendohsaurus laaroussii Dutuit 1972

†Azendohsaurus madagaskarensis Flynn et al. 2010

G. †Shringasaurus Senqupta et al. 2017

†Shringasaurus indicus Senqupta et al. 2017

G. †Coelodontognathus Ochev 1967

†Coelodontognathus donensis Ochev 1967

†Coelodontognathus ricovi Ochev 1967

G. †Pamelaria Sen 2003

†Pamelaria dolichotrachela Sen 2003

G. †Trilophosaurus Case 1928

†Trilophosaurus buettneri Case 1928

Invalid names: Malerisaurus langstoni Chatterjee 1986 [synonym]

†Trilophosaurus jacobsi Murry 1987

Invalid names: Trilophosaurus dornorum Mueller and Parker 2006 [synonym]

†Trilophosaurus phasmalophos Kligman et al. 2020

Invalid names: Chinleogomphius Sues and Olsen 1993 [synonym]

Unr. †Archosauriformes Gauthier 1986

G. †Antarctanax Peecook et al. 2019

†Antarctanax shackletoni Peecook et al. 2019

G. †Barberenasuchus Mattar 1987

†Barberenasuchus brasiliensis Mattar 1987

G. †Chasmatosuchus Huene 1940

†Chasmatosuchus magnus Ochev 1979

Invalid names: Gamosaurus lozovskii Ochev 1979 [synonym]

†Chasmatosuchus rossicus Huene 1940

Invalid names: Tsylmosuchus samariensis Sennikov 1990 [synonym]

Invalid names: Gamosaurus Ochev 1979 [synonym], Jaikosuchus Sennikov 1990 [synonym]

G. †Collilongus Borsuk−Białynicka and Sennikov 2009

†Collilongus rarus Borsuk−Białynicka and Sennikov 2009

G. †Crosbysaurus Heckert 2004

†Crosbysaurus harrisae Heckert 2004

Unr. †Crurotarsi Sereno and Arcucci 1990

G. †Euscolosuchus Sues 1992

†Euscolosuchus olseni Sues 1992

Invalid names: Crocodylotarsi Benton and Clark 1988 [empty], Ornithosuchia Huene 1908 [empty]

G. †Cuyosuchus Reig 1961

†Cuyosuchus huenei Reig 1961

G. †Dyoplax Fraas 1867

†Dyoplax arenaceus Fraas 1867

Fm. †Erythrosuchidae Watson 1917

G. †Chalishevia Ochev 1980

†Chalishevia cothurnata Ochev 1980

G. †Erythrosuchus Broom 1905

†Erythrosuchus africanus Broom 1905

G. †Garjainia Ochev 1958

†Garjainia madiba Gower et al. 2014

†Garjainia prima Ochev 1958

Invalid names: Garjainia triplicostata Huene 1960 [synonym], Vjushkovia triplicostata Huene 1960 [synonym]

G. †Guchengosuchus Peng 1991

†Guchengosuchus shiguaiensis Peng 1991

G. †Shansisuchus Young 1964

†Shansisuchus kuyeheensis Cheng 1980

†Shansisuchus shansisuchus Young 1964

Invalid names: Fenhosuchus cristatus Young 1964 [synonym]

G. †Uralosaurus Sennikov 1995

†Uralosaurus magnus Ochev 1980

G. †Vjushkovia Huene 1960

Unr. †Eucrocopoda Ezcurra 2016

Unr. Archosauria Cope 1869 [archosaur]

Unr. †Avemetatarsalia Benton 1999

Unr. †Aphanosauria Nesbitt et al. 2017

G. †Mambachiton Nesbitt et al. 2023

Unr. Ornithodira Gauthier 1986 [ornithodiran]

Invalid names: Scleromochlidae Huene 1914 [empty]

Unr. †Pseudosuchia Zittel 1890

Fm. †Aetosauridae Baur 1887

Invalid names: Desmatosuchidae Case 1920 [synonym]

Superfm. †Aetosauroidea

Invalid names: Stagonolepoidea Kuhn 1964 [synonym]

G. †Browniella Broom 1913

Fm. †Chirotheriidae Abel 1935

Superfm. †Elachistosuchoidea Hoffstetter 1955

Fm. †Erpetosuchidae Watson 1917

Fm. †Gwyneddichniidae Bock 1952

G. †Ingenierichnus Casamiquela 1964

G. †Koilamasuchus Ezcurra et al. 2010

G. †Mambawakale Butler et al. 2022

G. †Nundasuchus Nesbitt et al. 2014

Unr. †Ornithosuchidae Huene 1908

Fm. †Pallisteriidae Charig 1967

Unr. †Phytosauria Jaeger 1828

Invalid names: Parasuchia Huxley [synonym]

Superfm. †Poposauroidea Nopcsa 1923

G. †Procerosuchus Huene 1942

G. †Prochirotherium Leonardi 1951

Superfm. †Proterosuchoidea Broom 1906

G. †Rileyasuchus Kuhn 1961

Invalid names: Rileya Huene 1902 [replaced]

Fm. †Rotodactylidae Peabody 1948

Unr. †Suchia Krebs 1974

G. †Youngosuchus Sennikov 1985

Invalid names: Chasmatosaurus ultimus Young 1964 [nomen dubium], Chirotherioidea Huene 1954 [empty], Dasygnathus longidens Huxley 1877 [nomen dubium], Dongusia Huene 1940 [nomen dubium], Dongusia colorata Huene 1940 [nomen dubium], Ornithosuchoidea Kuhn 1964 [empty], Scleromochloidea Young 1964 [empty], Sphenosuchoidea Hoffstetter 1955 [empty], Synaptichniidae Ellenberger 1974 [empty], Teleocrateridae Charig 1967 [empty]

G. †Sikannisuchus Nicholls et al. 1998

†Sikannisuchus huskyi Nicholls et al. 1998

G. †Smok Niedzwiedzki et al. 2012

†Smok wawelski Niedzwiedzki et al. 2012

Or. †Thecodontia Owen 1859

G. †Clarencea Brink 1959

G. †Dasygnathoides Kuhn 1961

G. †Jushatyria Sennikov 1985

Subor. †Proterosuchia Broom 1906

Invalid names: Pelycosimia Huene 1911 [synonym]

G. †Tikoepentapodiscus Ellenberger 1970

Invalid names: Crenelosaurus Ortlam 1967 [nomen dubium], Crenelosaurus nigrosilvanus Ortlam 1967 [nomen dubium], Doswelliina Weems 1980 [empty], Haemothermia Owen 1866 [empty], Ocoyuntaia Rusconi 1947 [nomen dubium], Ocoyuntaia arquata Rusconi 1947 [nomen dubium], Platyognathidae Simmons 1965 [empty], Seemannia Huene 1958 [nomen dubium], Seemannia palaeotriadica Huene 1958 [nomen dubium], Shansisuchus heiyuekouensis Young 1964 [nomen dubium]

Superor. Theropodomorpha Olshevsky 1991

Infraor. †Herrerasauria Galton 1985

Or. †Lagosuchia Paul 1988

Invalid names: Basitheropoda Olshevsky 1991 [empty]

Invalid names: Agrestipus Weems 1987 [nomen nudum], Avesuchia Benton 1999 [synonym], Avipes Huene 1932 [nomen dubium], Caenagnathiformes Sternberg 1940 [empty], Longisquamidae Sharov 1970 [empty], Megalosaurus terquemi Huene 1926 [nomen dubium], Neoarchosauria Benton 1985 [empty], Palaeosauriscus Kuhn 1959 [nomen dubium], Parrishia Long and Murry 1995 [nomen dubium], Parrishia mccreai Long and Murry 1995 [nomen dubium], Picrodon Seeley 1898 [nomen dubium], Strigosuchus Simmons 1965 [nomen dubium], Strigosuchus licinus Simmons 1965 [nomen dubium]

G. †Asperoris Nesbitt et al. 2013

†Asperoris mnyama Nesbitt et al. 2013

G. †Dorosuchus Sennikov 1989

†Dorosuchus neoetus Sennikov 1989

G. †Euparkeria Broom 1913

†Euparkeria capensis Broom 1913

Invalid names: Browniella africana Broom 1913 [synonym]

G. †Polymorphodon Sues et al. 2020

†Polymorphodon adorfi Sues et al. 2020

Unr. †Proterochampsia Kischlat 2000

G. †Barberenachampsa Kischlat 2000

Unr. †Doswelliidae Weems 1980

G. †Ankylosuchus Lucas et al. 2013

G. †Archeopelta Desojo et al. 2011

G. †Doswellia Weems 1980

G. †Jaxtasuchus Schoch and Sues 2014

G. †Rugarhynchos Wynd et al. 2020

G. †Tarjadia Arcucci and Marsicano 1999

G. †Vancleavea Long and Murry 1995

Fm. †Proterochampsidae Romer 1966

G. †Cerritosaurus Price 1946

G. †Proterochampsa Reig 1959

Subfm. †Rhadinosuchinae Hofstetter 1955

G. †Stenoscelida Müller et al. 2022

G. †Tropidosuchus Arcucci 1990

Fm. †Euparkeriidae Huene 1920

G. †Halazhaisuchus Wu 1982

†Halazhaisuchus qiaoensis Wu 1982

G. †Osmolskina Borsuk-Bialynicka and Evans 2003

†Osmolskina czatkowicensis Borsuk-Bialynicka and Evans 2003

Invalid names: Turfanosuchus shageduensis Wu 1982 [nomen dubium]

G. †Fugusuchus Cheng 1980

†Fugusuchus hejiapanensis Cheng 1980

G. †Graoullyodon Godefroit and Cuny 1997

†Graoullyodon hacheti Godefroit and Cuny 1997

G. †Heteropelta Dalla Vecchia 2021

†Heteropelta boboi Dalla Vecchia 2021

G. †Incertovenator Yanez et al. 2021

†Incertovenator longicollum Yanez et al. 2021

G. †Kalisuchus Thulborn 1979

†Kalisuchus rewanensis Thulborn 1979

G. †Litorosuchus Li et al. 2016

†Litorosuchus somnii Li et al. 2016

G. †Lucianosaurus Hunt and Lucas 1993

†Lucianosaurus wildi Hunt and Lucas 1993

G. †Marcianosuchus Sues et al. 2024

†Marcianosuchus angustifrons Sues et al. 2024

G. †Protecovasaurus Heckert 2004

†Protecovasaurus lucasi Heckert 2004

Fm. †Proterosuchidae Broom 1906

G. †Archosaurus Tatarinov 1960

†Archosaurus rossicus Tatarinov 1960

G. †Blomosuchus Sennikov 1997

G. †Proterosuchus Broom 1903

†Proterosuchus alexanderi Hoffman 1965

†Proterosuchus fergusi Broom 1903

Invalid names: Chasmatosaurus vanhoepeni Haughton 1924 [synonym], Elaphrosuchus rubidgei Broom 1946 [synonym]

†Proterosuchus goweri Ezcurra and Butler 2015

Invalid names: Chasmatosaurus Haughton 1924 [synonym], Elaphrosuchus Broom 1946 [synonym]

Invalid names: Chasmatosauridae Haughton 1924 [synonym], Garjainiidae Ochev 1958 [synonym], Vjushkoviidae Huene 1960 [synonym]

Unr. †Protopyknosia Nesbitt et al. 2021

G. †Kranosaura Nesbitt et al. 2021

†Kranosaura kuttyi Nesbitt et al. 2021

G. †Sarmatosuchus Sennikov 1994

†Sarmatosuchus otschevi Sennikov 1994

G. †Syntomiprosopus Heckert et al. 2021

†Syntomiprosopus sucherorum Heckert et al. 2021

G. †Tecovasaurus Hunt and Lucas 1994

†Tecovasaurus murryi Hunt and Lucas 1994

G. †Triopticus Stocker et al. 2016

†Triopticus primus Stocker et al. 2016

G. †Uatchitodon Sues 1991

†Uatchitodon kroehleri Sues 1991

†Uatchitodon schneideri Mitchell et al. 2010

G. †Vonhuenia Sennikov 1992

†Vonhuenia friedrichi Sennikov 1992

G. †Zanclodon Plieninger 1846

†Zanclodon arenaceus Fraas 1896

†Zanclodon crenatus Plieninger 1846

†Zanclodon laevis Plieninger 1846

Invalid names: Plateosaurus plieningeri Fraas 1896 [objective synonym]

Invalid names: Smilodon Plieninger 1846 [replaced], Zanclodon quenstedti Seeley 1892 [nomen nudum]

Invalid names: Erythrosuchia Bonaparte 1984 [empty], Plateosaurus ornatus Huene 1905 [nomen dubium], Typothorax punctulatus Rusconi 1947 [nomen dubium], Wangisuchus Young 1964 [nomen dubium], Wangisuchus tzeyii Young 1964 [nomen dubium]

G. †Boreopricea Tatarinov 1978

†Boreopricea funerea Tatarinov 1978

G. †Eorasaurus Sennikov 1997

†Eorasaurus olsoni Sennikov 1997

Fm. †Prolacertidae Parrington 1935

G. †Kadimakara Bartholomai 1979

†Kadimakara australiensis Bartholomai 1979

G. †Malutinisuchus Ochev 1986

†Malutinisuchus gratus Ochev 1986

G. †Prolacerta Parrington 1935

†Prolacerta broomi Parrington 1935

Invalid names: Pricea longiceps Broom and Robinson 1948 [synonym]

G. †Vritramimosaurus Sennikov 2005

†Vritramimosaurus dzerzhinskii Sennikov 2005

G. †Prolacertoides Young 1973

†Prolacertoides jimusarensis Young 1973

Unr. †Rhynchosauria Osborn 1903 [rhynchosaur]

G. †Eohyosaurus Butler et al. 2015

†Eohyosaurus wolvaardti Butler et al. 2015

G. †Howesia Broom 1905

†Howesia browni Broom 1905

Subor. †Mesosuchidia Haughton 1924

Fm. †Mesosuchidae Haughton 1924

Invalid names: Gnathodontidae Broom [synonym]

G. †Mesosuchus Watson 1912

†Mesosuchus browni Watson 1912

G. †Noteosuchus Broom 1925

†Noteosuchus colletti Watson 1912

Invalid names: Eosuchus Watson 1912 [replaced]

Unr. †Rhynchosauridae Cope 1871

G. †Bentonyx Langer et al. 2010

†Bentonyx sidensis Langer et al. 2010

G. †Fodonyx Hone and Benton 2008

†Fodonyx spenceri Benton 1990

Unr. †Hyperodapedontinae Chatterjee 1969

G. †Hyperodapedon Huxley 1859

†Hyperodapedon gordoni Huxley 1859

Invalid names: Stenometopon taylori Boulenger 1903 [synonym]

†Hyperodapedon huenei Langer and Schultz 2000

†Hyperodapedon huxleyi Lydekker 1881

Invalid names: Paradapedon indicus Huene 1940 [synonym]

†Hyperodapedon mariensis Tupi-Caldas 1933

†Hyperodapedon sanjuanensis Sill 1970

†Hyperodapedon stockleyi Boonstra 1953

†Hyperodapedon tikiensis Mukherjee and Ray 2015

Invalid names: Cephalonia Huene 1940 [synonym], Cephalonia lotziana Huene 1942 [nomen dubium], Macrocephalosaurus Tupi-Caldas 1933 [synonym], Paradapedon Huene 1938 [synonym], Scaphonyx Woodward 1907 [nomen dubium], Scaphonyx australis Huene 1926 [nomen dubium], Scaphonyx fischeri Woodward 1907 [nomen dubium], Stenometopon Boulenger 1903 [synonym], Supradapedon Chatterjee 1980 [synonym]

G. †Isalorhynchus Buffetaut 1983

†Isalorhynchus genovefae Buffetaut 1983

G. †Oryctorhynchus Sues et al. 2020

†Oryctorhynchus bairdi Sues et al. 2020

G. †Otischalkia Hunt and Lucas 1991

†Otischalkia elderae Hunt and Lucas 1991

G. †Teyumbaita Montefeltro et al. 2010

†Teyumbaita sulcognathus Azevedo and Schultz 1987

Invalid names: Scaphonyx africanus Boonstra 1953 [nomen dubium]

G. †Langeronyx Ezcurra et al. 2016

†Langeronyx brodiei Benton 1990

G. †Rhynchosaurus Owen 1842

Subfm. †Stenaulorhynchinae Kuhn 1933

G. †Ammorhynchus Nesbitt and Whatley 2004

†Ammorhynchus navajoi Nesbitt and Whatley 2004

G. †Brasinorhynchus Schultz et al. 2016

†Brasinorhynchus mariantensis Schultz et al. 2016

G. †Elorhynchus Ezcurra et al. 2020

†Elorhynchus carrolli Ezcurra et al. 2020

G. †Mesodapedon Chatterjee 1980

†Mesodapedon kuttyi Chatterjee 1980

G. †Stenaulorhynchus Haughton 1932

†Stenaulorhynchus stockleyi Haughton 1932

Invalid names: Rhynchosaurinae Nopcsa 1923 [empty], Scaphonychidae Huene 1948 [synonym]

Subor. †Rhynchosauroidea Nopcsa 1928

Invalid names: Howesiidae Watson 1917 [empty]

Invalid names: Gnathodontia Owen 1859 [synonym], Hyperodapedontidae Lydekker 1885 [empty]

G. †Tasmaniosaurus Camp and Banks 1978

†Tasmaniosaurus triassicus Camp and Banks 1978

Invalid names: Ankistrodon Huxley 1865 [nomen dubium], Ankistrodon indicus Huxley 1865 [nomen dubium], Blomia Sennikov 1992 [nomen dubium], Blomia georgii Sennikov 1992 [nomen dubium], Tsylmosuchus Sennikov 1990 [nomen dubium], Tsylmosuchus donensis Sennikov 1990 [nomen dubium], Tsylmosuchus jakovlevi Sennikov 1990 [nomen dubium]

Diagnosis

No diagnoses are available