original description
Cockerell, T. D. A. (1891). Mollusca. Bibliography. <em>The British Naturalist.</em> 1(5): 98-101., available online at https://www.biodiversitylibrary.org/page/45849298
page(s): 100 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
From editor or global species database
Type locality near Swift Creek, Custer County, Colorado [details]