original description
Yen, T.-C.; Reeside, J.B.J. (1946). Triassic Freshwater Gastropods from Southern Utah. <em>American Journal of Science.</em> 244: 49-51.
page(s): 51, pl. 1, figs 10a-b [details] Available for editors [request]
From editor or global species database
Type locality South point of the Cove between Colorado and Fremont rivers, c. 8.5 miles NE of their junction, Garfield County, Utah, United States; Chinle Formation, late Triassic [details]