References
Burch, J. 1982. Freshwater Snails (Mollusca: Gastropoda) of North America. Museum of Zoology, University of Michigan, Ann Arbor, Michigan, USA.
Call, R. 1883. Note on the Genius Campeloma of Rafinesque. The American Naturalist 17:603-608.
Gill, T. 1864. Second Contribution to the Selachology of California. Proceedings of the Academy of Natural Science of Philadelphia. 147-161.
Johnson, P. 2004. Viviparidae. Pages 13-14 in K. Perez, S. Clark, C. Lydeard, editors. A Primer to Freshwater Gastropod Identification. University of Alabama, Tuscaloosa, Alabama, USA.
Latin Dictionary 2008.
Lewis, D. 2001. Trade-Offs Between Growth and Survival: Responses of Freshwater Snails to Predacious Crayfish. Ecology 82:758-76
Walker, B. 1918. A Synapsis of the Classification of Freshwater Mollusca of North America, North of Mexico, and a Catalogue of the more Recently Described Species, with Notes. Museum of Zoology, University of Michigan, Ann Arbor, Michigan, USA.
Zip Code Zoo 2011.