MolluscaBase taxon 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): 112, pl. 6 fig. 3 [details]
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