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Unionidae
Margaritiferidae
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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
East Asia
Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Fri 13 February 2026
Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina | Schistodesmus
0 specimens
B.-Y. Huang, 1981. Acta Paaleont. Sinica 20(3): 201-202, pl. 1, figs. 13-14; pl. 2, figs. 1-2.