MolluscaBase name details
original description
Gould, A. A. (1847). [Description] of a new species of <i>Physa</i>, together with two other new species of North American shells. <em>Proceedings of the Boston Society of Natural History.</em> 2: 262-263.
page(s): 263 [details]
basis of record
Crandall, O. A. (1901). The America Physae. <em>The Nautilus.</em> 15(4): 42-45, plate 2., available online at https://www.biodiversitylibrary.org/page/1738423
page(s): 42-43 [details]