MolluscaBase name details
original description
Lea I. (1864). Descriptions of twenty-four new species of <i>Physa</i> of the United States and Canada. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 16: 114-116 [after 25 April 1864, before 30 June 1864]., available online at https://www.biodiversitylibrary.org/page/1942708
page(s): 114 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
basis of record
Crandall, O. A. (1901). The American Physae. <em>The Nautilus.</em> 15(5): 54-58., available online at https://www.biodiversitylibrary.org/page/1738435
page(s): 55-56 [details]