original description
Pilsbry, H. A. (1899). Catalogue of the Amnicolidae of the western United States. <em>The Nautilus.</em> 12(11): 120-127., available online at https://www.biodiversitylibrary.org/page/27056754#page/446/mode/1up
page(s): 122, 124 [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 San Francisco Bay, Santa Cruz [details]
From editor or global species database