| 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 order UNIONOIDA  superfamily ETHERIOIDEA Deshayes, 1832: 96 Recent species.
synonymy (20
nomina) | 3 families
Distribution: South America, Central America, Afrotropics, East Asia
|  superfamily HYRIOIDEA Swainson, 1840: 93 Recent species.
synonymy (16
nomina) | 1 family
Distribution: Australasia, South America
|  superfamily UNIONOIDEA Rafinesque, 1820: 808 Recent species.
synonymy (75
nomina) | 2 families
Distribution: Central America, East Asia, North America, North Eurasia, Afrotropics, Australasia
| genus Araripenaia da Silva, Varejão, Matos, Rodrigues, Fürsich, Skawina, Schneider, Warren, Assine & Simões, 2020: fossil only.
synonymy (1 available
nomina) | 1 species | family DESERTELLIDAE Dechaseaux, 1947: fossil only.
synonymy (1
nomen) | 1 genus | superfamily SILESUNIONOIDEA Skawina & Dzik, 2011: fossil only.
synonymy (1
nomen) | 1 family
Distribution: East Asia, North Eurasia | superfamily TRIGONIOIDOIDEA Cox, 1952: fossil only.
synonymy (6
nomina) | 1 genus, 4 families | |
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