Rogers, D.C.. 2016. Class Gastropoda. (In) Chapter 16. Phylum Arthopoda. J.H. Thorp and D.C. Rogers. Keys to Nearctic Fauna. Thorp and Covich's Freshwater Invertebrates - Volumn II. Elsevier. Amsterdam.

Smith, D.G. 2001. Chapter 14. Mollusca (Gastropods, pelecypods). (In). D.G. Smith. Pennak's Freshwater Invertebrates of the United States. John Wiley, New York.

 

References
Snails (Gastropoda) of Ohio