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Page last updated
Thu 17 July 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!


Bivalvia | Unionoida | Etherioidea

family ETHERIIDAE Deshayes, 1832
     synonyms (6 nomina) | cladomics


Global Distribution of the Etheriidae. The thin yellow wedge of the pie represents the Recent species diversity of the family in the order Unionoida (4 of 1020).

The Etheriidae is the least species rich of all six freshwater mussel families with only 4 Recent species. However, these species have a widely disjunct, Gondwanan distribution in the Afrotropics, South America and East Asia. The monophyly of the family has been disputed.

genus Bartlettia H. Adams, 1866: 1 Recent species.
synonymy (2 available nomina) | 1 species
Distribution: South America

genus Etheria Lamarck, 1807: 1 Recent species.
synonymy (6 available nomina) | 1 species
Distribution: Afrotropics

genus Mulleria Férussac, 1824: 1 Recent species.
synonymy (3 available nomina) | 1 species
Distribution: South America

genus Pseudomulleria R. Anthony, 1907: 1 Recent species.
synonymy (1 available nomina) | 1 species
Distribution: East Asia

 
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