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Summary
Unionidae
Margaritiferidae
Hyriidae
Etheriidae
Mycetopodidae
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 Mon 2 March 2026
Bivalvia | Unionida | Etherioidea | Iridinidae | Iridininae | Pleiodon spekii
‘Bourguignat’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 910.(error for Cameronia randabeli Bourguignat, 1886)
+ Pleiodon spekii (Woodward, 1859) — Daget, 1998: 158.