MolluscaBase taxon details
original description
Morrison, J. P. E. (1946). The nonmarine mollusks of San José Island, with notes on those of Pedro Gonzáles Island, Pearl Islands, Panama. <em>Smithsonian Miscellaneous Collections.</em> 106(6): 1-49, pls. 1-3., available online at https://www.biodiversitylibrary.org/page/27394378 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent freshwater/brackish Gastropoda of the World. Last update: January 24th, 2018. OpenAccess publication. [details]