MolluscaBase name details
original description
Baker, F. C. (1929). Mollusca from Vermilion and Pelican lakes, Minnesota, with the description of a new variety of <i>Helisoma corpulenta</i>. <em>The Nautilus.</em> 42(3): 95-97, 42(4): 131-136., available online at https://www.biodiversitylibrary.org/page/8518878
page(s): 136 [details]