original description
Meek, F.B.; Hayden, F.V. (1856). Descriptions of New Species of Acephala and Gastropoda, from the Tertiary formations of Nebraska Territory, with some general remarks on the Geology of the country about the sources of the Missouri River. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 8: 111-126., available online at https://www.biodiversitylibrary.org/page/1935165
page(s): 120 [details]
From editor or global species database
Type locality Buford ("Three miles below Fort Union"), North Dakota, United States; Fort Union Formation, Paleocene [details]