Rhynchonellata - Terebratulida - Pseudodielasmatidae

Alternative combination: Dielasma chivatschense

Full reference: V. M. Zavodowsky. 1968. Dielasmatidae. Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR 2:180-181

Belongs to Marinurnula according to B.C. Abramov and A.D. Grigorieva 1988

Sister taxa: Marinurnula bajkurica, Marinurnula mantuanensis, Marinurnula prima, Marinurnula rugulata, Marinurnula timanicum

Type specimen: TsGM 55-58/8234. Its type locality is Khivach River, 20 km from source, Gizhiga Basin, which is in a Changhsingian marine limestone in the Khivach Formation of the Russian Federation.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 41.8 x 33.1