What is the meaning of Physa?

(n.) A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond.
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APAWebster's. (2011). physa. Retrieved September 20, 2026, from http://smartdefine.org/physa/definitions/2045156
ChicagoWebster's. 2011. "physa" http://smartdefine.org/physa/definitions/2045156 (accessed September 20, 2026).
HarvardWebster's 2011, physa, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/physa/definitions/2045156>.
MLAWebster's. "physa" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/physa/definitions/2045156>
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