original description
Dall, W. H. & Bartsch, P. (1907). The pyramidellid mollusks of the Oregonian faunal area. <em>Proceedings of the United States National Museum.</em> 33(1574): 491-534, pls. 44-48 [December 31]., available online at http://www.biodiversitylibrary.org/page/15668713
page(s): 517-518, pl. 46 fig, 2-2a [details]
From editor or global species database