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Eosuchia
Taxonomy
Eosuchia was named by Broom (1914). It is extant. It was considered monophyletic by Laurin (1991).
It was reranked as the order Eosuchia by Roxo (1937), Huene (1954), Haughton and Brink (1954), Kuhn (1964), Estes (1964), Kuhn (1966), Olson (1966), Estes and Berberian (1970), Harris and Carroll (1977) and Reisz (1977); it was reranked as the infraclass Eosuchia by Evans (1980); it was reranked as the unranked clade Eosuchia by Laurin (1991).
It was assigned to Prodiapsida by Roxo (1937); to Thecodontia by Broom (1914) and Kuhn (1946); to Lepidosauria by Haughton and Brink (1954); to Archosauromorpha by Huene (1954); to Lepidosauria by Olson (1966); to Lepidosauria by Kuhn (1966); to Reptilia by Russell (1956), Kuhn (1964), Estes (1964), Estes and Berberian (1970) and Harris and Carroll (1977); to Diapsida by Reisz (1977) and Evans (1980); to Crocodylia by Carroll (1988); to Lepidosauromorpha by Carroll (1988); and to Diapsida by Laurin (1991).
It was reranked as the order Eosuchia by Roxo (1937), Huene (1954), Haughton and Brink (1954), Kuhn (1964), Estes (1964), Kuhn (1966), Olson (1966), Estes and Berberian (1970), Harris and Carroll (1977) and Reisz (1977); it was reranked as the infraclass Eosuchia by Evans (1980); it was reranked as the unranked clade Eosuchia by Laurin (1991).
It was assigned to Prodiapsida by Roxo (1937); to Thecodontia by Broom (1914) and Kuhn (1946); to Lepidosauria by Haughton and Brink (1954); to Archosauromorpha by Huene (1954); to Lepidosauria by Olson (1966); to Lepidosauria by Kuhn (1966); to Reptilia by Russell (1956), Kuhn (1964), Estes (1964), Estes and Berberian (1970) and Harris and Carroll (1977); to Diapsida by Reisz (1977) and Evans (1980); to Crocodylia by Carroll (1988); to Lepidosauromorpha by Carroll (1988); and to Diapsida by Laurin (1991).
Synonymy list
Year | Name and author |
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1914 | Eosuchia Broom pp. 1072, 1075 |
1937 | Eosuchia Roxo p. 44 |
1946 | Eosuchia Kuhn p. 63 |
1954 | Eosuchia Haughton and Brink p. 3 |
1954 | Eosuchia Huene p. 41 |
1956 | Eosuchia Russell p. 4 |
1964 | Eosuchia Estes p. 99 |
1964 | Eosuchia Kuhn p. 310 |
1966 | Eosuchia Kuhn p. 34 |
1966 | Eosuchia Olson p. 301 |
1970 | Eosuchia Estes and Berberian p. 4 |
1977 | Eosuchia Harris and Carroll p. 141 |
1977 | Eosuchia Reisz p. 1093 |
1980 | Eosuchia Evans p. 204 |
1988 | Eosuchia Carroll |
1991 | Eosuchia Laurin pp. 83, 84 fig. 11 |
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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. Eosuchia Broom 1914
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Unr. †Avicephala Senter 2004
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G. †Coelurosauravus Piveteau 1926
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†Coelurosauravus elivensis Piveteau 1926
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Invalid names: Daedalosaurus madagascariensis Carroll 1978 [synonym]
Invalid names: Daedalosaurus Carroll 1978 [synonym], Gracilisaurus Weigelt 1930 [synonym]
Invalid names: Simiosauria Senter 2004 [empty]
Unr. Neodiapsida Benton 1985
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Fm. †Claudiosauridae Carroll 1981
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Subor. Sauria MacCartney 1802
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Infraor. †Eolacertilia Robinson 1967
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Invalid names: Fulengidae Carroll and Galton 1977 [empty], Naocephalus Cope 1872 [nomen dubium], Naocephalus porrectus Cope 1872 [nomen dubium]
Subor. Iguaniformes Hay 1930
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Invalid names: Chamaeleonoidae Hay 1930 [empty], Iguanoidae Hay 1930 [empty]
Invalid names: Ascalabota Gilmore 1928 [invalid subgroup], Geckonidi Perrier 1928 [empty], Labyrinthodontidae d'Orbigny 1849 [empty], Lacertidi Perrier 1928 [empty], Mosasauriformes Hay 1930 [empty], Saurii Latreille 1800 [synonym], Vermilinguii Perrier 1928 [empty]
Unr. Sauria Gauthier 1984 [crown diapsid]
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Unr. †Choristodera Cope 1876 [choristodere]
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G. †Hyphalosaurus Gao et al. 1999
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†Hyphalosaurus baitaigouensis Ji et al. 2004
†Hyphalosaurus lingyuanensis Gao et al. 1999
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Invalid names: Sinohydrosaurus lingyuanensis Li et al. 1999 [objective synonym]
Invalid names: Sinohydrosaurus Li et al. 1999 [objective synonym]
G. †Khurendukhosaurus Sigogneau-Russell and Efimov 1984
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†Khurendukhosaurus orlovi Sigogneau-Russell and Efimov 1984
Invalid names: Khurendukhosaurus bajkalensis Efimov 1996 [nomen dubium]
G. †Lazarussuchus Hecht 1992
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†Lazarussuchus dvoraki Evans and Klembara 2005
†Lazarussuchus inexpectatus Hecht 1992
G. †Monjurosuchus Endo 1940
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†Monjurosuchus manchoukuoensis Zhou and Wang 2010
†Monjurosuchus splendens Endo 1940
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Invalid names: Rhynchosaurus orientalis Endo and Shikama 1942 [synonym]
Subor. †Neochoristodera Evans and Hecht 1993
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Fm. †Champsosauridae Cope 1876 [champsosaur]
G. †Champsosaurus Cope 1876
G. †Ikechosaurus Sigogneau-Russell 1981
G. †Mengshanosaurus Yuan et al. 2021
Fm. †Simoedosauridae Lemone 1884
G. †Tchoiria Efimov 1975
Invalid names: Champsosauriformes Hay 1930 [replaced]
Invalid names: Allochoristodera Dong et al. 2020 [empty], Champsosauria Jaekel 1910 [synonym], Hyphalosauridae Gao and Fox 2005 [empty], Monjurosuchidae Endo 1940 [empty], Simoedosauria Dollo [synonym]
Unr. Lepidosauromorpha Benton 1983
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Superor. Lepidosauria Haeckel 1866 [lepidosaur]
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G. †Cargninia Bonaparte et al. 2010
G. †Dolichopodus Gilmore 1926
G. †Euposaurus Jourdan 1862
G. †Lacertoidopus Ellenberger 1970
Or. †Millerosauria Watson 1957
Or. †Prolacertilia Huene 1954
Or. Rhynchocephalia Günther 1867 [rhynchocephalian]
G. †Sauroeidepus Ellenberger 1970
Unr. Sphenodontia Jaekel 1910
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Invalid names: Homoeosauria Jaekel 1910 [synonym], Sphenodonta [synonym]
Invalid names: Patricosaurus Seeley 1887 [nomen dubium], Weigeltisauria Kuhn 1939 [empty]
G. †Neosauroides Kim et al. 2017
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†Neosauroides innovatus Kim et al. 2019
†Neosauroides koreaensis Kim et al. 2017
G. †Sophineta Evans and Borsuk−Białynicka 2009
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†Sophineta cracoviensis Evans and Borsuk−Białynicka 2009
Invalid names: Saurosternidae Haughton 1924 [empty]
G. †Saurosternon Huxley 1868
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Fm. †Weigeltisauridae Kuhn 1939
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Subfm. †Glaurunginae Bulanov and Sennikov 2015
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G. †Rautiania Bulanov and Sennikov 2006
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†Rautiania alexandri Bulanov and Sennikov 2006
†Rautiania minichi Bulanov and Sennikov 2006
Invalid names: Coelurosauravidae Carroll 1978 [synonym]
Unr. †Younginiformes Romer 1933
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Superfm. †Younginoidea Currie 1982
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Fm. †Tangasauridae Haughton 1924
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Subfm. †Kenyasaurinae Currie 1982
Subfm. †Tangasaurinae Piveteau 1926
Fm. †Younginidae Broom 1914
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G. †Thadeosaurus Carroll 1981
G. †Youngina Broom 1914
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Invalid names: Acanthotoposaurus Evans and van den Heever 1987 [synonym], Youngoides Olson and Broom 1937 [synonym], Youngopsis Broom 1937 [synonym]
Invalid names: Galesphyridae Currie 1981 [empty]
Invalid names: Acerosodontosauridae [empty], Noteosuchidae Broom 1925 [empty], Palaeagamidae Broom 1926 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988 |
Age range
Maximum range based only on fossils: base of the Leonardian to the top of the Holocene or 286.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 279.3 Ma
Minimum age of oldest fossil (stem group age): 279.3 Ma
Collections (676 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Artinskian | USA (Oklahoma) | Orovenator mayorum, Diapsida indet. (67862) | |
Leonardian | USA (Oklahoma) | Dictybolos tener (79408 84941) | |
Severodvinian - Vyatkian | Russian Federation (Orenburg) | Rautiania alexandri, Rautiania minichi (85483) | |
Wuchiapingian | Germany (Saxony Anhalt) | Coelurosauravus sp., Palaeochamaeleo jaekeli, Gracilisaurus ottoi, Glaurung schneideri (85484) | |
Wuchiapingian | South Africa (Eastern Cape) | Galesphyrus capensis (115686) | |
Wuchiapingian | South Africa (Western Cape) | Youngina capensis (84714) | |
Wuchiapingian | United Kingdom (England) | Weigeltisaurus sp. (77197) | |
Wuchiapingian | South Africa (Northern Cape) | Galesphyrus capensis (115685) | |
Lopingian | Madagascar (Fianarantsoa) | Claudiosaurus germaini (85505) Daedalosaurus sp., Claudiosaurus germaini (85512) | |
Lopingian | Madagascar (Tulear) | Claudiosaurus germaini (85506) Coelurosauravus elivensis, Daedalosaurus madagascariensis, Thadeosaurus colcanapi, Acerosodontosaurus piveteaui, Hovasaurus boulei (85494) | |
Wuchiapingian - Changhsingian | South Africa (Eastern Cape) | Saurosternon bainii (171337) Youngina capensis (80225 80226 171147) Youngina capensis, Acanthotoposaurus bremneri (80216) Youngina capensis, Youngopsis kitchingi, Youngoides minor (80219) Youngopsis rubidgei (171146) | |
Wuchiapingian - Changhsingian | South Africa (Western Cape) | Youngina capensis (88342 89859) | |
Zechstein | Germany (Thuringia) | Coelurosauravus jaekeli (85490) | |
Zechstein | Germany (Hesse) | Weigeltisaurus jaekeli (85488 85489 85557) | |
Changhsingian | Tanzania | Tangasaurus mennelli (171354) | |
Changhsingian - Induan | South Africa (Eastern Cape) | Palaeagama vielhaueri (171029) | |
Induan | Russian Federation (Nizhnii Novgorod) | Blomosaurus ivachnenkoi (94247) | |
Induan | Australia (Queensland) | Kudnu mackinlayi (85560) | |
Induan | China (Xinjiang) | Santaisaurus yuani (93419) | |
Early/Lower Triassic | United Kingdom (England) | Hamatopus sp. (184048) |