MolluscaBase taxon details
basis of record
Burch, J. B. (1982). North American freshwater snails: identification keys, generic synonymy, supplemental notes, glossary, references, index. <em>Walkerana.</em> 1(4): 217-365 [30 December 1982].
page(s): 226, fig. 31 [details] Available for editors [request]
additional source
Clarke, A. H. (1973). The freshwater molluscs of the Canadian Interior Basin. <em>Malacologia.</em> 13(1-2): 1-509., available online at http://biodiversitylibrary.org/page/13110006
page(s): 222, pl. 20, fig. 1 [details]