MolluscaBase taxon details
original description
Dall, W. H. & Bartsch, P. (1909). A monograph of West American pyramidellid mollusks. <em>Bulletin of the United States National Museum.</em> 68 (30): 1-258., available online at http://www.biodiversitylibrary.org/item/32384 [details]
basis of record
Keen, A. M. (1971). Sea Shells of Tropical West America. Marine mollusks from Baja California to Peru. ed. 2. Stanford University Press. xv, 1064 pp., 22 pls. [details]