ammonites
Coelodontognathus donensis Ochev 1967 (amniote)

Amniota

Belongs to Coelodontognathus according to Ochev 1967

Sister taxon: Coelodontognathus ricovi

Type specimen: PIN 4173/129 (formerly SGU 104/3103), a mandible (right dentary). Its type locality is Lipovskaya gully (Donskaya Luka), which is in an Olenekian terrestrial horizon in the Lipovskaya Formation of the Russian Federation.

Ecology: