original description
Yen, T.-C. (1946). On Lower Cretaceous Fresh-Water Mollusks of Sage Creek, Wyoming. <em>Notulae Naturae of The Academy of Natural Sciences of Philadelphia.</em> 166: 1-13.
page(s): 11, figs 9-9b [details] Available for editors [request]
From editor or global species database
Type locality Wind River Indian Reservation (formerly "Shoshone Indian Reservation"), in sec. 7, T. 1 S., R. 1 E., W. R. M., at the south end of the Sage Creek dome, Fremont County, and about 12 miles northwest of the town of Lander, Wyoming, United States; Cloverly Formation, Aptian to Albian, early Cretaceous [details]