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Page last updated
Thu 3 September 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!

Search the database pages:

Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Unionini

subtribe OXYNAIINA Starobogatov, 1970
     synonyms (3 nomina) | cladomics

genus Cuneopsis Simpson, 1900: 7 Recent species.
synonymy (2 available nomina) | 10 species
Distribution: East Asia

genus Diaurora Cockerell, 1903: 2 Recent species.
synonymy (2 available nomina) | 2 species
Distribution: East Asia

genus Gigaunio Chen, Dai, Liu & Wu in Chen et al., 2025: 1 Recent species.
synonymy (1 available nomina) | 1 species
Distribution: East Asia

genus Inversiunio Habe, 1991: 4 Recent species.
synonymy (1 available nomina) | 4 species
Distribution: East Asia

genus Nodularia Conrad, 1853: 14 Recent species.
synonymy (5 available nomina) | 15 species
Distribution: East Asia

genus Protunio Haas, 1912: 1 Recent species.
synonymy (1 available nomina) | 1 species
Distribution: East Asia

genus Pseudobaphia Simpson, 1900: 3 Recent species.
synonymy (2 available nomina) | 4 species
Distribution: East Asia

genus Pseudocuneopsis Huang, Dai, Chen & Wu et al., 2022: 7 Recent species.
synonymy (1 available nomina) | 7 species
Distribution: East Asia

genus Rhombuniopsis Haas, 1920: 5 Recent species.
synonymy (1 available nomina) | 5 species
Distribution: East Asia

genus Schistodesmus Simpson, 1900: 5 Recent species.
synonymy (1 available nomina) | 6 species
Distribution: East Asia

genus Tchangsinaia Starobogatov, 1970: 1 Recent species.
synonymy (2 available nomina) | 1 species
Distribution: East Asia

genus Tongchuania Chen Xiang, He, Huang & Wu in Chen et al., 2025: 1 Recent species.
synonymy (1 available nomina) | 1 species
Distribution: East Asia

 
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