original description
Baker, F. C. (1927). New varieties of <i>Helisoma antrosa</i> from Wisconsin and Minnesota. <em>The Nautilus.</em> 40(3): 85-87., available online at https://www.biodiversitylibrary.org/page/8523220#page/89/mode/1up
page(s): 86 [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): 86 [details]
From editor or global species database
Type locality Frontenac, Minnesota [details]