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 hisakatsui, Warthia huayingshanensis, Warthia imtatschanensis, Warthia intermedia, Warthia kingi, Warthia lata, Warthia micromphala, Warthia perspecta, Warthia polita, Warthia saundersi, Warthia stricta, Warthia vaceki, Warthia waageni, Warthia welleri, Warthia zakharovi
Type specimen: Its type locality is AMNH512, Guadalupe Pass, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas
Ecology: slow-moving shallow infaunal carnivore
Average measurements (in mm): shell 6.28 x 4.52