MolluscaBase name details
original description
(of Physa wattsi Arnold, 1909 †) Arnold, R. (1909). Paleontology of the Coalinga district, Fresno and Kings counties, California. <em>United States Geological Survey Bulletin.</em> 396: 1-173.
page(s): 97, pl. 30, fig. 6 [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]