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Taxonomy

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Unionidae

Margaritiferidae

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Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
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Geography

Summary

North America

Central America

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Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Wed 04 February 2026

Bivalvia | Venerida | Cyrenoidea | Cyrenoididae | Polymesoda floridana

nominal species Cyrena donaciformis Sowerby, 1878

Cyrena donaciformis Sowerby, 1878 = Polymesoda floridana

Sowerby, 1878. Conch. Icon. 20: pl. 19, fig. 108.

= Polymesoda floridana

Taxonomic Opinions

+ Cyrena (Pseudocyrena) floridana Conrad, 1846 — Dall, 1903

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