MolluscaBase taxon details
original description
Olsson A.A. (1942). Tertiary and Quaternary fossils from the Burica Peninsula of Panama and Costa Rica. <em>Bulletins of American Paleontology.</em> 27(106): 1(153)-106(258), pls 1(14)-12(25)., available online at https://biodiversitylibrary.org/page/10668856
page(s): 78(230); plate 11(24), fig. 10 [details]