†family Kotlassidae Romer 1933 (tetrapod)
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
Ecology:
Distribution:
• Permian of the Russian Federation (33 collections)
Total: 33 collections including 37 occurrences