Traits name details
original description
Dall, W. H.; Ochsner, W. H. (1928). Tertiary and Pleistocene Mollusca from the Galapagos Islands. <em>Proceedings of the California Academy of Sciences.</em> ser. 4, 17(4): 89-139, pls 2-7., available online at https://www.biodiversitylibrary.org/page/3129383 page(s): 105, pl. 2 fig. 7 [details]
source of synonymy
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. page(s): 647 [details]
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