Gastropoda - Bellerophontida - Euphemitidae

Full reference: E. L. Yochelson. 1960. Permian Gastropoda of the southwestern United States. 3. Bellerophontacea and Patellacea. Bulletin of the American Museum of Natural History 119(4):208-293

Belongs to Warthia according to P. J. Wagner 2011

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

Type specimen: Its type locality is PU3, Apache Canyon, Sierra Diablo, which is in a Kungurian shallow subtidal limestone in the Bone Spring Formation of Texas

Ecology: slow-moving shallow infaunal carnivore

Average measurements (in mm): shell 18.1 x 16.0