original description
Russell, L.S. (1952). Molluscan fauna of the Kishenehn Formation, Southeastern British Columbia. In: Anonymous (Ed.) Annual Report of the National Museum of Canada for the fiscal year 1950-51. <em>National Museum of Canada Bulletin.</em> 126: 120-141.
page(s): 131, textfig. 10, pl. 19, figs 3-13 [details] Available for editors [request]
From editor or global species database
Type locality Locality W1, on the west or right bank about 0.6 mile north of the Boundary, Flathead Valley, British Columbia, Canada; Kishenehn Formation, middle Eocene [details]