MolluscaBase taxon details
original description
Cooper, J. G. (1872). On new Californian Pulmonata, etc. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 24: 143-154, pl. 3., available online at https://www.biodiversitylibrary.org/page/26296902
page(s): 146, pl. 3, figs. D, 1-3 [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]
additional source
Cockerell, T. D. A. (1897). Notes on slugs. <em>The Nautilus.</em> 11(7): 75-79., available online at https://www.biodiversitylibrary.org/page/1774574
page(s): 76-77 [details]