original description
Meek, F. B.; Hayden, F. V. (1865). Palaeontology of the Upper Missouri: A report upon collections made principally by the expeditions under command of Lieut. G. K. Warren, U. S. Top. Engrs., in 1855 and 1856. Invertebrates. Part I. <em>Smithsonian Contributions to Knowledge.</em> 14(172):ix + 1–136, pl. 1–5., available online at https://www.biodiversitylibrary.org/page/32533308
page(s): 107, pl. 4, fig. 1-1b [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 252 [details] Available for editors [request]
From editor or global species database
Authority Nomen nudum in Meek & Hayden (1861). [details]