original description
Baker, F. C. (1927). A new variety of <i>Helisoma campanulata</i> from Michigan. <em>The Nautilus.</em> 41(2): 49-51., available online at https://www.biodiversitylibrary.org/page/8519778
page(s): 49 [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): 49 [details]
From editor or global species database
Type locality Marl Lake, Roscommon County, Michigan [details]