MolluscaBase taxon details
original description
Dall, W. H. & Bartsch, P. (1910). New species of shells collected by Mr. John Macoun at Barkley Sound, Vancouver Island, British Columbia. <em>Geological Survey of Canada Memoir.</em> 14: 5-22., available online at https://www.biodiversitylibrary.org/page/41717764 [details]