original description
Dall, W. H. (1919). Descriptions of new species of Mollusca from the North Pacific Ocean in the collection of the United States National Museum. <em>Proceedings of the United States National Museum.</em> 56 (2295): 293-371., available online at http://biodiversitylibrary.org/page/7766313 [details]
basis of record
Rosenberg, G. (2009). Malacolog 4.1.1. A Database of Western Atlantic Marine Mollusca., available online at http://www.malacolog.org/ [details]
From editor or global species database
Type locality USA, Alaska, Shumagins, Coal Harbor, in 8 fathoms [details]