†superfamily Seymourioidea Tatarinov 1971 (tetrapod)

Osteichthyes - Seymouriamorpha

Parent taxon: Seymouriamorpha according to V. V. Bulanov 2003

See also Carroll et al. 1972

Sister taxa: Adenoderma, Chronisuchidae, Discosauriscidae, Kotlassidae, Kotlassioidea, Leptorophida, Promelanerpeton, Sauravidae, Waggonerida

Subtaxa: Discosauridae Karpinskiosauridae Seymouriidae

View classification

Type: Seymouriidae

Ecology:

Distribution:

• Severodvinian of the Russian Federation (12 collections)

• Wolfcamp of United States (2: Colorado, New Mexico)

• Permian of the Czech Republic (7), France (2), Germany (2), the Russian Federation (7), United States (14: Oklahoma, Texas, Utah)

• Rotliegendes of the Czech Republic (1)

Total: 47 collections including 53 occurrences

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