Call, R.E. 1885. Contributions to a knowledge of the fresh-water Mollusca of Kansas. I. Fresh-water bivalves. Bull. Washburn Lab. Nat. Hist. 1(2): 49-51. https://books.google.com/books?id=REJNAAAAYAAJ&pg=PA49#v=onepage&q&f=false.

Call, 1885. Bull. Washburn Lab. Nat. Hist. 1(2): 48, pl. 2, figs. 1-4.
Type(s): FIGURED SYNTYPE MCZ_4934, Fall River, Wilson Co., Kansas.