MolluscaBase name details
original description
Brown, A. P. & Pilsbry, H. A. (1913). Fauna of the Gatun Formation, Isthmus of Panama - II. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 64: 500–519, pls. 22–26., available online at https://www.biodiversitylibrary.org/page/1695158
page(s): 517, pl. 26, fig. 5 [details]