| 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 | Unionoidea | Unionidae | Ambleminae | Pleurobemini genus Plethobasus Simpson, 1900: species
1 available nominal genus synonym | cladomics  Plethobasus cicatricosus (Say, 1829)
syonymy (4 available, 7 total) | specimens (5)
Range: Lower Ohio River Basin and Cumberland Plateau, USA. (North America)
IUCN Red List: Critically Endangered B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)
NatureServe: G1
other links: MolluscaBase
|  Plethobasus cooperianus (Lea, 1834)
syonymy (1 available, 2 total) | specimens (0)
Range: Ohio Basin, including the Cumberland Plateau, USA. (North America)
Genbank sequences: COI, ITS1, ND1
IUCN Red List: Critically Endangered A1ce+2ce
NatureServe: G1
other links: MolluscaBase
|  Plethobasus cyphyus (Rafinesque, 1820)
syonymy (3 available, 9 total) | specimens (3 + 2 Genbank vouchers)
Range: Upper Mississippi and Ohio rivers, including the Cumberland Plateau, USA. (North America)
Genbank sequences: 16S, COI, ITS1, ND1
IUCN Red List: Endangered A2ce
NatureServe: G2
other links: MolluscaBase
| Plethobasus aesopiformis (Whitfield, 1903) (Cretaceous)
syonymy (1 available, 1 total) | specimens (0)
other links: MolluscaBase | Plethobasus biesopoides (Whitfield, 1907) (Cretaceous)
syonymy (1 available, 1 total) | specimens (0)
other links: MolluscaBase |
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