PaleoDB taxon number: 157052
Full reference: E. J. Petuch. 1988. Neogene History of Tropical American Mollusks 1-217
Type specimen: ANSP 52892, a shell. Its type locality is Chancellor Point [St. Marys Fm], which is in a Miocene coastal sandstone in the St Marys Formation of Maryland.
Ecology: epifaunal carnivore
Average measurements (in mm): shell 26.0 x 10.0