Gastropoda - Prosobranchia - Pseudozygopleuridae

Full reference: R. D. Hoare and M. T. Sturgeon. 1981. The Pennsylvanian gastropod genus Microtychis Longstaff in Ohio. Journal of Paleontology 55(1):186-191

Belongs to Microptychis according to P. J. Wagner 2011

Sister taxa: Microptychis cerithiformis, Microptychis charma, Microptychis constricta, Microptychis expetendus, Microptychis insolita, Microptychis occabus, Microptychis permiana, Microptychis trochus, Microptychis williamsi, Microptychis wrighti

Ecology: epifaunal