original description
Pierce, H.G.; Constenius, K.N. (2001). Late Eocene-Oligocene nonmarine mollusks of the northern Kishenehn Basin, Montana and British Columbia. <em>Annals of Carnegie Museum.</em> 70(1): 1-112.
page(s): 19-21, figs 8A-E [details] Available for editors [request]
From editor or global species database
Type locality NFF-17, East bank of Flathead River, north side of Kintla Creek at mouth, Flathead County, Montana, United States [details]