†family Kotlassidae Romer 1933

Osteichthyes - Seymouriamorpha - Kotlassidae

Alternative spelling: Kotlassiidae

Parent taxon: Seymouriamorpha according to V. V. Bulanov 2020

See also Bulanov 2003, Carroll 1988, Carroll et al. 1972 and Kuhn 1946

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

Subtaxa: Kotlassiinae Leptorophinae

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Distribution:

• Severodvinian of the Russian Federation (20 collections)

• Permian of the Russian Federation (13)

Total: 33 collections including 37 occurrences

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