original description
Cockerell, T. D. A. (1914). Tertiary Mollusca from New Mexico and Wyoming. <em>Bulletin of the American Museum of Natural History.</em> 33: 101-107.
page(s): 101-102, pl. 8, figs 1-2 [details]
From editor or global species database
Type locality "Three miles southeast of mouth of Pat O'Hara Creek, Wyoming", United States [details]