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Unionidae
Margaritiferidae
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Iridinidae
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
Preston. 1914. Journal of the Linnean Society, Zoology 32.
Preston, 1914. J. Linn. Soc., Zool. 32: 266, pl. 18, fig. 1-3.Type(s): HOLOTYPE BMNH_1923-6-8-1210, Soba, Blue Nile, S. Sudan.