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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
North America
Central America
South America
Afrotropics
North Eurasia
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Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Fri 13 February 2026
Bivalvia | Venerida | Cyrenoidea | Cyrenoididae | Polymesoda floridana
Conrad, 1869. Amer. J. Conch. 5: 107, pl. 12, fig. 3.
+ Cyrena (Pseudocyrena) floridana Conrad, 1846 — Dall, 1903: 1446.
+ Cyrena floridana Conrad — Prime, 1895: 20.