PaleoDB taxon number: 105283
Full reference: J. Leidy. 1872. Remarks on Fossils from Oregon. Proceedings of the Academy of Natural Sciences of Philadelphia 23(3):247-248
Type specimen: unknown, a partial shell (neural plate). Its type locality is Crooked River, which is in a Chattian terrestrial horizon in the John Day Formation of Oregon.
Ecology: ground dwelling herbivore-herbivore