Traits taxon details
original description
(of ) 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 page(s): 119 [details]
basis of record
Abbott, 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): 308 [details]
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