original description(ofCymatosyrinx hespera Dall, 1919)Dall, W. H. (1919). Descriptions of new species of mollusks of the family Turritidae from the west coast of America and adjacent regions. <em>Proceedings of the United States National Museum.</em> 56 (2288): 1-86, pls 1-24., available online athttps://biodiversitylibrary.org/page/7765993 page(s): 6 [details]
Present Inaccurate Introduced: alien Containing type locality