original description
Pilsbry, H. A. (1928). Helices from California and Texas and a zonitid from Virginia. <em>The Nautilus.</em> 41(3): 81-83., available online at https://www.biodiversitylibrary.org/page/8519812
page(s): 82-83 [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