MolluscaBase taxon details
original description
Olsson, A. A. (1929). Contributions to the Tertiary paleontology of northern Peru: part 2, Upper Eocene Mollusca and Brachiopoda. <em>Bulletins of American Paleontology.</em> Volume 15, No. 57, pp. 1(67)-51(117), 8 pls., available online at https://www.biodiversitylibrary.org/page/30419208
page(s): 20 [details]