original description
Pilsbry, H. A. (1921). Note on a variety of <i>Liguus</i>. <em>The Nautilus.</em> 34(4): 140., available online at https://www.biodiversitylibrary.org/page/1733059
page(s): 140 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project.
page(s): 140 [details]
From editor or global species database
Etymology Named for the American botanist/malacologist, Charles Torrey Simpson (1846-1932). [details]