| Page last updated
Wed 1 October 2025 |
The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
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Bivalvia | Unionoida superfamily UNIONOIDEA Rafinesque, 1820
synonyms (75 nomina) | cladomics  family MARGARITIFERIDAE Henderson, 1929: 16 Recent species.
synonymy (5
nomina) | 6 genera, 2 subfamilies
Distribution: North Eurasia, North America, East Asia
|  family UNIONIDAE Rafinesque, 1820: 792 Recent species.
synonymy (71
nomina) | 5 subfamilies, 32 genera
Distribution: Central America, East Asia, North America, North Eurasia, Afrotropics, Australasia
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