MolluscaBase name details
original description
Olsson A.A. (1930). Contributions to the Tertiary paleontology of northern Peru: Part 3, Eocene Mollusca. <em>Bulletins of American Paleontology.</em> 17(62):1-96, 12 pls., available online at https://biodiversitylibrary.org/page/32443820
page(s): 63, pl. 10 figs 3-4 [details]