Pilsbry, H. A. (1891). Land and fresh-water mollusks collected in Yucatan and Mexico. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 43: 310-334, plates 14-15., available online athttps://www.biodiversitylibrary.org/page/26357976 page(s): 315 [details]
original descriptionPilsbry, H. A. (1891). Land and fresh-water mollusks collected in Yucatan and Mexico. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 43: 310-334, plates 14-15., available online athttps://www.biodiversitylibrary.org/page/26357976 page(s): 315 [details]