MolluscaBase taxon details
original description
Tryon, G. W. (1866). Monograph of the terrestrial Mollusca of the United States. <em>American Journal of Conchology.</em> 2(3): 218-279, pls 1-4 [1 July]; 2(4): 306-327, pls 5-6 [6 October]., available online at https://biodiversitylibrary.org/page/6660487
page(s): 230, pl. 2, fig. 3 [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