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): 116 [details]
From editor or global species database
From other sources