original description
Russell, L.S. (1957). Mollusca from the Tertiary of Princeton, British Columbia. In: Anonymous (Ed.) Annual Report of the National Museum of Canada for the fiscal year 1955-56. <em>National Museum of Canada Bulletin.</em> 147: 84-95.
page(s): 89, pl. 2, figs 1-4 [details] Available for editors [request]
From editor or global species database
Type locality Vermilion Cliff, ca. 2 miles W of Princeton, British Columbia, Canada; middle Eocene [details]