Say, T. (1817). Descriptions of new species of land and fresh water shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 1 (6): 123-126., available online athttps://www.biodiversitylibrary.org/page/24680373 page(s): 124 [details]
original descriptionSay, T. (1817). Descriptions of new species of land and fresh water shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 1 (6): 123-126., available online athttps://www.biodiversitylibrary.org/page/24680373 page(s): 124 [details]