Clench, W. J. (1926). Three new species of <i>Physa</i>. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 168: 1-8, pl. 1. page(s): 2, pl. 1, fig. 3 [details]
original descriptionClench, W. J. (1926). Three new species of <i>Physa</i>. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 168: 1-8, pl. 1. page(s): 2, pl. 1, fig. 3 [details]
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