original description
Yen, T.-C. (1950). A molluscan fauna from the type section of the Truckee Formation. <em>American Journal of Science.</em> 248: 180-193., available online at https://doi.org/10.2475/ajs.248.3.180
page(s): 185, pl. 1, fig. 3 [details] Available for editors [request]
From editor or global species database
Type locality Fossil Hill, Nevada, United States; Pliocene [details]