original description
Pilsbry, H. A. (1930). New Californian snails. <em>The Nautilus.</em> 44(2): 66-67, pl. 5, figs. 2-4, 6-7., available online at https://www.biodiversitylibrary.org/page/8514922
page(s): 67, pl. 5, fig. 6 [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