original description
Bland, T. & Cooper, J. G. (1861). Notice of land and freshwater shells collected by Dr. J. G. Cooper in the Rocky Mountains, etc., in 1860. <em>Annals of the Lyceum of Natural History of New York.</em> 7: 362-370., available online at https://www.biodiversitylibrary.org/page/16227827
page(s): 365, pl. 4, figs. 13-15 [details]
From editor or global species database
Type locality Coeur d'Alêne Mountains, especially on their eastern side [details]