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Page last updated
Mon 28 Jul 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!

For each valid genus, the valid species are listed, Recent taxa first.

The MUSSEL Project Database is moving to a new server, with a new URL! The new address for this page will be: https://musselpdb.org/fmuotwaolcb/db.php?ty=validgen&id=269

Search the database pages:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini

genus Plethobasus Simpson, 1900: valid species
     1 nominal genus | Cladomics

Plethobasus cicatricosus (Say, 1829)
7 synonyms | 5 specimens
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).
Nature Serve: Freshwater Mussels G1.
Other web sites: ITIS MolluscaBase.

Plethobasus cooperianus (Lea, 1834)
2 synonyms | 0 specimens
Range: Ohio Basin, including the Cumberland Plateau, USA. [North America]
Genbank sequences: COI, ITS1, ND1.
IUCN Red List: Critically Endangered A1ce+2ce.
Nature Serve: Freshwater Mussels G1.
Other web sites: ITIS MolluscaBase.

Plethobasus cyphyus (Rafinesque, 1820)
9 synonyms | 3 specimens
Range: Upper Mississippi and Ohio rivers, including the Cumberland Plateau, USA. [North America]
Genbank sequences: 16S, COI, ITS1, ND1.
IUCN Red List: Endangered A2ce.
Nature Serve: Freshwater Mussels G2.
Other web sites: ITIS MolluscaBase.

Plethobasus aesopiformis (Whitfield, 1903) (Cretaceous)
1 synonym | 0 specimens
Range:
Other web site: MolluscaBase.

Plethobasus biesopoides (Whitfield, 1907) (Cretaceous)
1 synonym | 0 specimens
Range:
Other web site: MolluscaBase.

Page updated: 08:46:34 Mon 28 Jul 2025

 
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