original description
Chadwick, G. H. (1899). Notes on <i>Polygyra appressa</i>. <em>The Nautilus.</em> 13(5): 54-55., available online at https://www.biodiversitylibrary.org/page/42799954
page(s): 54 [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): 54 [details]
From editor or global species database
Type locality Scott County [details]