Conrad, T. A. (1844). Descriptions of eight new fossil shells of the United States. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 2(6): 173-175., available online athttps://www.biodiversitylibrary.org/page/6605731 page(s): 173 [details]
Type locality contained in USA, Virginia
type locality contained in USA (origin: native) [details] type locality contained in Virginia (origin: native) [details]
original descriptionConrad, T. A. (1844). Descriptions of eight new fossil shells of the United States. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 2(6): 173-175., available online athttps://www.biodiversitylibrary.org/page/6605731 page(s): 173 [details]
Present Inaccurate Introduced: alien Containing type locality