Gastropoda - Sorbeoconcha - Acanthonematidae

Full reference: A. V. Mazaev. 2003. The family Orthonemidae (Gastropoda) from the Middle and Upper Carboniferous of the central part of the Russian Plate. Ruthenica 13(2):89-100

Belongs to Callispira according to A. V. Mazaev 2003

Sister taxa: Callispira bellula, Callispira grossa, Callispira novemcostata, Callispira quinquecostata, Callispira tricostata

Type specimen: PM RAS 4471/96/1, a shell

Ecology: epifaunal grazer

Average measurements (in mm): shell 23.0 x 9.5