MolluscaBase name details
original description
Emerson, W. K. & Hertlein, L. G. (1964). Invertebrate megafossils of the Belvedere Expedition to the Gulf of California. <em>Transactions of the San Diego Society of Natural History.</em> 13(17): 333-368., available online at https://www.biodiversitylibrary.org/page/4329315
page(s): 360 [details]
From other sources
Taxonomy a strange, high-spired, decollate species limited to MIS 5 terraces on the inner coast of Baja California peninsula. [details]