Baker F.C. (1939). Land and fresh-water Mollusca from western Ontario. <em>Canadian Journal of Research, series D.</em> 17: 87-102.
page(s): 94, fig. 1 [details]
source of synonymy
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): 443 [details]
From editor or global species database
Type locality Canada, Ontario, Toad Island, Georgian Bay [details]