original descriptionSmith, M. (1950). New Mexican and Panamic shells. <em>The Nautilus.</em> 64(2): 60-61, pl. 4, figs. 6-7, 11., available online athttps://www.biodiversitylibrary.org/page/8524325 page(s): 60-61, pl. 4, figs. 7-7a [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Named for the collector, Mr. Walter D. Clark. [details] Type locality (Pacific) [details]