original description
Clessin, S. (1873). Zur Kenntnis unserer Pisidien. <em>Malakozoologische Blätter.</em> 20: 21-30, 83-92, pl. 1., available online at http://biodiversitylibrary.org/page/15648159
page(s): p. 23, pl. 1, fig. 1 [details]
additional source
InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
From editor or global species database