original description
Berry, S. S. (1930). Snails, new and otherwise, from the Palomar Mountains, California. <em>The Nautilus.</em> 43(4): 113-114., available online at https://www.biodiversitylibrary.org/page/8515167
page(s): 113-114, figs. 1-1b [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 the sawmill on south ridge of Palomar Mountains, east of Palomar resort, San Diego Co., California; in woodsy ravine under fallen logs and bark" [details]