original descriptionWillett, G. (1934). Two new Cingulas from Alaska. <em>The Nautilus.</em> 47(3): 103-104, pl. 8, figs. 8-9., available online athttps://www.biodiversitylibrary.org/page/8522680 page(s): 103, pl. 8, fig. 9 [details]
basis of recordAbbott, R. T. (1974). <i>American seashells. The marine Mollusca of the Atlantic and Pacific coast of North America</i>. ed. 2. Van Nostrand, New York. 663 pp., 24 pls. [October 1974]. (look up in IMIS) page(s): 74 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Named for the American malacologist, Walter Jakob Eyerdam (1892-1974). [details] Type locality "Elrington Island, Alaska" [details]