original description
Binney, W. G. (1858). Notes on American land shells. No. 3. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 10: 114-116., available online at https://www.biodiversitylibrary.org/page/47535707
page(s): 115 [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
Bland, T. & Cooper, J. G. (1861). Notice of land and freshwater shells collected by Dr. J. G. Cooper in the Rocky Mountains, etc., in 1860. <em>Annals of the Lyceum of Natural History of New York.</em> 7: 362-370., available online at https://www.biodiversitylibrary.org/page/16227827
page(s): 367-368 [details]
From editor or global species database
Etymology Named for the American conchologist, John Graham Cooper (1830-1902). [details]