Full reference: E. J. Petuch. 1988. Neogene History of Tropical American Mollusks 1-217
Type specimen: ANSP 52854, 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: slow-moving shallow infaunal carnivore
Average measurements (in mm): shell 18.0 x 23.0