original description
Yen, T.-C. (1952). Freshwater molluscan fauna from an Upper Cretaceous porcellanite near Sage Junction, Wyoming. <em>American Journal of Science.</em> 250(5): 344-359., available online at https://doi.org/10.2475/ajs.250.5.344
page(s): 352-353, pl. 1, figs 21-22, 24 [details] Available for editors [request]
From editor or global species database
Type locality "Sage Junction [...] in approximately the center of Sec. 7, T. 21 N., R. 119 W., near Sage, Lincoln County, Wyoming. The fossil site is about 1500 feet west-northwest of the old abandoned coal mine at Sage, and about 900 feet north of U. S. Highway 30 N.", United States [details]