original descriptionAncey, C. F. (1887). Nouvelles contributions malacologiques. <em>Bulletins de la Société Malacologique de France.</em> 4: 273-299. Paris., available online athttps://www.biodiversitylibrary.org/page/14884112 page(s): 293 [details]
additional sourceDall, W. H. & Ochsner, W. H. (1928). Landshells of the Galapagos Islands. <em>Proceedings of the California Academy of Sciences.</em> ser. 4, 17: 141-185., available online athttps://www.biodiversitylibrary.org/page/3129330 page(s): 166 [details] Available for editors [request]