WoRMS taxon details
original description
(of Obeliscus clavulus A. Adams, 1854) Adams, A. (1854). Monographs of the genera <i>Eulima</i>, <i>Niso</i>, <i>Leiostraca</i>, <i>Obeliscus</i>, <i>Pyramidella</i>, and <i>Monoptygma</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 2 (15): 793-825, pl. 169-172. London, privately published. , available online at https://www.biodiversitylibrary.org/page/11076023 page(s): 811, pl. 171, fig. 33. [details]
original description
(of Pyramidella (Pharcidella) moffati Dall & Bartsch, 1906) Dall, W. H. & Bartsch, P. (1906). Notes on Japanese, Indo-Pacific, and American Pyramidellidae. <em>Proceedings of the United States National Museum.</em> 30(1452): 321-369, pls 17-26., available online at http://www.biodiversitylibrary.org/page/15786465 page(s): 323. [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]
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