Fumonelix jonesiana– Jones' middle-toothed land snail (as Mesodon jonesianus)
Patera clenchi– Clench's middle-toothed land snail, Mission Creek Oregonian (as Mesodon clenchi)
References
↑Binney, William G. (1878). The Terrestrial Air-Breathing Mollusks of the United States and Adjacent Territories of North America. Vol. 5 (plates). Bull. Mus. Comparative Zool., Harvard. Plate 11.