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Class: GASTROPODA --- Taxon Tree: HETEROBRANCHIA [Subclass] - PULMONATA [Infraclass] - HYGROPHILA [Order] - PLANORBOIDEA [Superfamily] ------ Family: PHYSIDAE Fitzinger, 1833 (Freshwater) --------- SubFamily: PHYSINAE ------------ Genus: Physa (Costatella) W.H. Dall, 1870
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Please email your image to: Claudio Galli - last updated: 28/ago/2017
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