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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
Summary
North America
Central America
South America
Afrotropics
North Eurasia
East Asia
Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Wed 04 February 2026
Martens, 1866. Malak. Blatt. 13: 102.(misidentified reference to Pisidium amnicum var. elongata Baudon, 1857)
=
+ — Daget, 1998
= Pisidium (Fluminina) amnicum var. elongatum Martens — Pallary, 1909