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Seymouriamorpha

Taxonomy
Seymouriamorpha was named by Watson (1917). It is not extant.

It was reranked as the superfamily Seymouriamorpha by Kuhn (1946); it was reranked as the order Seymouriamorpha by Huene (1954); it was reranked as the unranked clade Seymouriamorpha by Martens et al. (2005).

It was assigned to Cotylosauria by Roxo (1937); to Batrachosauria by Efremov (1946); to Diadecta by Olson (1947); to Reptiliomorphoidea by Huene (1954); to Cotylosauria by Kuhn (1946) and Lewis and Vaughn (1965); to Amphibia by Thurmond and Jones (1981); to Anthracosauria by Carroll et al. (1972) and Carroll (1988); to Batrachosauria by Gauthier et al. (1988) and Gauthier et al. (1989); and to Amphibia by Martens et al. (2005).

Synonymy list
YearName and author
1917Seymouriamorpha Watson
1937Seymouria Roxo p. 42
1946Seymouriamorpha Efremov
1946Seymouriamorpha Kuhn p. 55
1947Seymouriamorpha Olson pp. 44, 45
1954Seymouriamorpha Huene p. 18
1965Seymouriamorpha Lewis and Vaughn p. C12
1972Seymouriamorpha Carroll et al. p. 21
1981Seymouriamorpha Thurmond and Jones p. 113
1988Seymouriamorpha Carroll
1988Seymouriamorpha Gauthier et al. p. 139 fig. 4.3
1989Seymouriamorpha Gauthier et al. p. 340
2005Seymouriamorpha Martens et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
RankNameAuthor
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
suborderSeymouriamorphaWatson 1917
suborderSeymouriamorphaWatson 1917

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialsubp
Locomotion: actively mobilec
Created: 2017-04-17 15:15:19
Modified: 2017-04-17 15:15:19
Source: c = class, subp = subphylum
References: Kiessling 2004, Carroll 1988, Hendy et al. 2009

Age range: base of the Westphalian D to the top of the Late/Upper Severodvinian or 311.45000 to 254.00000 Ma

Collections (75 total)


Time interval Ma Country or state Original ID and collection number
Westphalian318.1 - 306.95USA (Alabama) Quadropedia prima (84135)
Westphalian D311.45 - 306.95Czech Republic Adenoderma gracilis (125662)
Autunian298.9 - 295.0Czech Republic (Moravia) Spinarerpeton brevicephalum, Discosauriscus pulcherrimus, Makowskia laticephala, Discosauriscus austriacus (87877)
Autunian298.9 - 295.0Czech Republic Discosauriscus pulcherrimus, Melanerpeton pulcherrimum (180780)
Asselian - Sakmarian298.9 - 290.1Czech Republic Discosauriscus austriacus (51265)
Asselian - Kungurian298.9 - 272.3Kazakhstan (Alma-Ata Region) Utegenia shpinari (181085)
Cisuralian298.9 - 272.3Czech Republic (South Moravia) Melanerpeton falax, Discosauriscus austriacus (197951)
Cisuralian298.9 - 272.3France (Auvergne-Rhône-Alpes) Melanerpeton sacheti (197929)
Rotliegendes298.9 - 254.0Czech Republic (Boheme) Melanerpeton pulcherrimum (58139)
Rotliegendes298.9 - 254.0Tajikistan Discosauriscus indet., Leptoverpeton indet. (38320)
Rotliegendes298.9 - 254.0Tajikistan (Leninabad) Discosauriscus sigalovi (181134)
Wolfcamp296.4 - 268.0USA (Colorado) Seymouria sp. (85479)
Sakmarian295.5 - 290.1France (Auvergne-Rhône-Alpes) Discosauriscus austriacus (197925)
Sakmarian295.5 - 290.1Czech Republic Melanerpeton potamites (156569)
Artinskian290.1 - 279.3Germany (Thuringia) Seymouria sanjuanensis (80112)
Artinskian290.1 - 279.3USA (Oklahoma) Seymouria baylorensis (79402)
Leonard290.1 - 268.0USA (Oklahoma) Seymouria sp. (67862)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Perm) Biarmica tchudinovi (189498)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Komi Republic) Karpinskiosaurinae indet. (180620)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Kirov) Leptoropha novojilovi, Rhipaeosaurus talonophorus (80022)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Udmurtia) Leptoropha talonophora (187322)
Kungurian279.3 - 272.3USA (Texas) Conodectes favosus (22670) Seymouria baylorensis (28264) Seymouria baylorensis, Desmospondylus anomalus (28256) Seymouria grandis (178738) Seymouria sp. (22715 28267 28272) Seymouria sp., Conodectes favosus (28266) Waggoneria knoxensis (12976 27704) Waggoneria knoxensis, Seymouria baylorensis (67735)
Kungurian279.3 - 272.3USA (Oklahoma) Seymouria grandis (181086 181087)
Guadalupian272.3 - 259.9China (Xinjiang) Urumqia liudaowanensis (189975)
Wordian268.8 - 265.1Russian Federation Karpinskiosaurus sp., Leptoropha sp. (197595) Leptoropha sp. (197588 197767)
Urzhumian - Early/Lower Severodvinian268.0 - 252.3Russian Federation (Tatarstan) Enosuchus breviceps (27931)
Urzhumian - Early/Lower Severodvinian268.0 - 252.3Russian Federation (Orenburg) Enosuchus breviceps (36273 124278)
Capitanian265.1 - 259.9Russian Federation Microphon exiguus (197596)
Late/Upper Severodvinian265.0 - 254.0Russian Federation (Vologda) Microphon arcanus (124277) Microphon exiguus (187752 187928 189125 189499 189500) Microphon sp. (189507)
Late/Upper Severodvinian265.0 - 254.0Russian Federation (Tatarstan) Microphon exiguus (80712)
Late/Upper Severodvinian265.0 - 254.0Russian Federation (Orenburg) Karpinskiosaurus ultimus, Microphon gracilis (189501) Microphon exiguus, Raphanodon tverdohlebovae (93207) Microphon sp. (189503 189505)
Early/Lower Severodvinian265.0 - 252.3Russian Federation (Komi Republic) Microphon sp. (189532)
Late/Upper Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Chuvash Republic) Microphon sp. (189504)
Late/Upper Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Orenburg) Karpinskiosauridae indet. (93027 189400 189495) Karpinskiosaurus secundus (179653 180868) Karpinskiosaurus ultimus (189571) Microphon exiguus, Buzulukia butsuri, Nycteroleter ultimus (93030)
Late/Upper Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Arkhangelsk) Kotlassia prima, Kotlassia secunda (28065)
Late/Upper Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Vologda) Karpinskiosaurus sp. (149692) Karpinskiosaurus ultimus (187939) Kotlassiidae indet. (187938) Microphon sp. (189506)
Late/Upper Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Nizhni Novgorod) Microphon sp. (189502)
Late/Upper Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Vladimir) Kotlassia prima, Karpinskiosaurus secundus (93026)
Severodvinian - Vyatkian265.0 - 252.3Russian Federation (Orenburg) Karpinskiosaurus sp., Microphon exiguus (86484) S. sp. (85483)
Vyatkian259.0 - 252.3Russian Federation (Orenburg) Karpinskiosaurus sp. (189401) Kotlassia grandis (189570)
Vyatkian259.0 - 252.3Russian Federation (Vladimir) Karpinskiosaurus sp., Kotlassia sp., Microphon exiguous (86346)