| 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 | 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 997).
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.
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