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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
North America
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Species Richness & Endemism offreshwater mussels by Geography
Data last updated Thu 19 March 2026
Bivalvia
Clessin, 1874. Conch. Cab. 9(3): 38, pl. 4, figs. 7-9.
= Pisidium moreanum Clessin — Clessin, 1874: 38, pl. 4, figs. 7-9.