Gastropoda - Bellerophontida - Euphemitidae

Alternative combination: Bellerophon (Warthia) imtatschanensis

Full reference: U. N. Popov. 1957. Some Permian pelecypods, gastropods and ammonites of Verchoyan. Science Institute Geology Arctic, Collected Papers in Palaeontology and Biostratigraphy 1:45-60

Belongs to Warthia according to A. S. Kashirtsev 1959

Sister taxa: Warthia americana, Warthia angustior, Warthia borealis, Warthia brevisinuata, Warthia brevizonata, Warthia carinata, Warthia crassus, Warthia fissus, Warthia hisakatsui, Warthia huayingshanensis, Warthia intermedia, Warthia kingi, Warthia lata, Warthia micromphala, Warthia perspecta, Warthia polita, Warthia saundersi, Warthia stricta, Warthia vaceki, Warthia waageni, Warthia welleri, Warthia zakharovi

Ecology: slow-moving shallow infaunal carnivore

Average measurements (in mm): shell 18.2 x 14.8