original description
Russell, L.S. (1938). New species of Gastropoda from the Oligocene of Colorado. <em>Journal of Paleontology.</em> 12(5): 505-507.
page(s): 505, textfigs 4-5 [details] Available for editors [request]
From editor or global species database
Type locality SW of Hartsel, Park County, Colorado, United States; Antero Formation, Rupelian, Oligocene [details]