Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

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) and Haubold (1971); 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 Amphibiosauria by Haubold (1971); 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
1971Seymouriamorpha Haubold p. 20
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.

Is something missing? Join the Paleobiology Database and enter the data

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

Subor. †Seymouriamorpha Watson 1917
show all | hide all
G. †Adenoderma Fritsch 1901
hide
†Adenoderma gracilis Fritsch 1901
Fm. †Discosauriscidae Romer 1947
hide
G. †Ariekanerpeton Ivakhnenko 1981
+
†Ariekanerpeton sigalovi Tatarinov 1968
G. †Makowskia Klembara 2005
+
†Makowskia laticephala Klembara 2005
G. †Spinarerpeton Klembara 2009
+
†Spinarerpeton brevicephalum Klembara 2009
G. †Urumgia Zhang et al. 1984
Fm. †Kotlassidae Romer 1933
hide
Subfm. †Kotlassiinae Romer 1934
+
G. †Kotlassia Amalitzky 1921
+
†Kotlassia prima Amalitzky 1898
G. †Microphon Ivakhnenko 1983
+
†Microphon arcanus Bulanov 2003
†Microphon exiguus Ivakhnenko 1983
+
Invalid names: Raphanodon tverdohlebovae Ivakhnenko 1987 [synonym]
†Microphon gracilis Bulanov 2003
†Microphon terminalis Bulanov 2020
Invalid names: Raphaniscus Bulanov 2000 [synonym]
Subfm. †Leptorophinae Ivachnenko 1987
+
G. †Biarmica Ivachnenko 1987
+
†Biarmica tchudinovi Ivachnenko 1987
G. †Leptoropha Chudinov 1955
+
†Leptoropha minima Bulanov 2020
†Leptoropha talonophora Chudinov 1955
+
Invalid names: Leptoropha novojilovi Chudinov 1955 [synonym]
Superfm. †Kotlassioidea Vjuschkov 1957
hide
Fm. †Utegeniidae Ivachnenko 1987
+
G. †Utegenia Kuznetsov and Ivakhnenko 1981
+
†Utegenia shpinari Kuznetsov and Ivakhnenko 1981
+
Invalid names: Urumqia liudaowanensis Zhang et al. 1984 [synonym]
Invalid names: Urumqia Zhang et al. 1984 [synonym]
G. †Promelanerpeton Kuhn 1961
Superfm. †Seymourioidea Tatarinov 1971
hide
Fm. †Karpinskiosauridae Sushkin 1926
+
Subfm. †Discosauriscinae Romer 1947
+
G. †Discosauriscus Kuhn 1933
+
†Discosauriscus austriacus Makowsky 1876
+
Invalid names: Branchiosaurus moravicus Fritsch 1883 [synonym], Discosauriscus permianus Ivakhnenko 1981 [synonym], Discosauriscus potamites Steen 1938 [synonym], Discosauriscus pulcherrimus Fritsch 1879 [synonym], Letoverpeton austriacum Makowsky 1876 [synonym], Letoverpeton moravicum Fritsch 1883 [synonym], Melanerpeton falax Fritsch 1879 [synonym], Melanerpeton longicaudatum Augusta 1936 [synonym], Melanerpeton magnum Augusta 1936 [synonym], Melanerpeton perneri Augusta 1936 [synonym], Melanerpeton potamites Steen 1938 [synonym]
†Discosauriscus egregius Shishkin 1968
†Discosauriscus netschajevi Riabinin 1911
†Discosauriscus purlensis Shishkin 1968
†Discosauriscus sacheti Heyler 1969
+
Invalid names: Melanerpeton sacheti Saint-Seine 1949 [synonym]
Invalid names: Discosaurus Credner 1883 [replaced], Letoverpeton Spinar 1952 [synonym]
Subfm. †Karpinskiosaurinae Sushkin 1925
+
G. †Karpinskiosaurus Sushkin 1926
+
†Karpinskiosaurus secundus Amaltzki 1898
+
Invalid names: Karpinskiosaurus neglectus Sushkin 1926 [synonym], Nycteroleter ultimus Tschudinov and Vjuschkov 1956 [synonym]
Invalid names: Buzulukia Vjuschkov 1957 [synonym]
Fm. †Seymouriidae Williston 1911
+
G. †Rhinosauriscus Kuhn 1963
+
†Rhinosauriscus jasykovii Fischer 1847
G. †Seymouria Broili 1904
+
†Seymouria baylorensis Broili 1904
+
Invalid names: Desmospondylus anomalus Williston 1910 [synonym]
†Seymouria grandis Olson 1979
†Seymouria sanjuanensis Vaughn 1966
Invalid names: Discosauridae Jaekel 1907 [empty]
Unr. †Waggonerida
hide
Fm. †Waggoneriidae Olson 1951
+
G. †Waggoneria Olson 1951
+
†Waggoneria knoxensis Olson 1951
Invalid names: Chronisuchidae [empty], Leptorophida Ivakhnenko 1987 [empty], Sauravidae Williston [empty]
Diagnosis
No diagnoses are available