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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 Mon 2 March 2026
Bivalvia | Venerida | Cyrenoidea | Cyrenoididae | Geloina expansa
Mousson, 1849. Mitt. naturf. Ges. Zürich 1(3): 269.
+ Geloina expansa (Mousson, 1849) — He & Zhuang, 2013: 159.
+ Polymesoda expansa (Mousson, 1849) — van Benthem Jutting, 1953: 52.