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]
original description
(of Epitonium densiclathratum Dall, 1917) Dall, W. H. (1917). Notes on the shells of the genus <i>Epitonium</i> and its allies of the Pacific coast of America. <em>Proceedings of the United States National Museum.</em> 53 (2217): 471-488., available online at https://www.biodiversitylibrary.org/page/7553869 [details]
original description
(of Epitonium (Scala) caamanoi Dall & Bartsch, 1910) 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]
From other sources
Subgenus (Hirtoscala) [details]