ammonites
Marinurnula bajkurica Chernyak 1963 (lamp shell)

Rhynchonellata - Terebratulida - Pseudodielasmatidae

Alternative combination: Beecheria bajkurica

Full reference: G. E. Chernyak. 1963. Taxonomic names, in Biostratigrafiya i Brakhiopody Verknego Paleozoya Taimyra. Trudy Nauchno-Issledoratel'skogo Instituta Geologii Arktiki 134:1-139

Belongs to Marinurnula according to J. B. Waterhouse 1982

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

Type specimen: Its type locality is Zayach'ya River, Outcrop 44, Bed D, Taimyr Peninsula, which is in a Wordian marine siliciclastic in the Baikur Formation of the Russian Federation

Ecology: stationary epifaunal suspension feeder