original description
Baker, F. C. (1938). New land and freshwater Mollusca from the upper Pliocene of Kansas and a new species of <em>Gyraulus</em> from early Pleistocene strata. <em>The Nautilus.</em> 51(4): 126-131., available online at https://www.biodiversitylibrary.org/page/9203356
page(s): 129-130 [details]
From editor or global species database
Type locality Six miles north of Ainsworth, Brown County, Nebraska, United States; Pre-Illinoian, early to middle Pleistocene [details]