original description
Leonard, A. B. (1972). A new <i>Valvata</i> from the Pleistocene of southern Illinois. <em>The Nautilus.</em> 86(1): 1-2, figs. 1-6., available online at https://www.biodiversitylibrary.org/page/8511547
page(s): 2 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
From editor or global species database
Type locality USA, Saline River banks near Equality, Galatin County, Southern Illinois [details]