original description(ofChrysodomus (Sipho) acosmius Dall, 1891)Dall, W. H. (1891). On some new or interesting west American shells obtained from the dredgings of the U.S. Fish Commission steamer Albatross in 1888, and from other sources. <em>Proceedings of the US National Museum.</em> 14: 173-191, pls 5-7., available online athttps://www.biodiversitylibrary.org/page/7543071 page(s): 188. [details]
Present Inaccurate Introduced: alien Containing type locality