| 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 | Quadrulini genus Uniomerus Conrad, 1853: species
1 available nominal genus synonym (3 total synonyms) | cladomics  Uniomerus carolinianus (Bosc, 1801)
syonymy (12 available, 17 total) | specimens (12 + 1 Genbank voucher)
Range: Southern Atlantic Slope, peninsular Florida, and the Ochlockonee Basin, USA. (North America)
Genbank sequences: 16S, COI, ND1, SRA
IUCN Red List: Least Concern (Uniomerus caroliniana)
NatureServe: G4
other links: MolluscaBase
|  Uniomerus columbensis (Lea, 1857)
syonymy (1 available, 2 total) | specimens (1 + 1 Genbank voucher)
Range: Apalachicola River west to the Choctawhatchee, Alabama and Florida, USA. (North America)
Genbank sequences: SRA
NatureServe: G3
other links: MolluscaBase
|  Uniomerus declivis (Say, 1831)
syonymy (3 available, 6 total) | specimens (2 + 3 Genbank vouchers)
Range: Gulf Coastal Plain from Alabama west to Texas, including the lower Mississippi. (North America)
Genbank sequences: 16S, 28S, 5.8S, COI, ITS1, ND1, SRA
NatureServe: G5
other links: MolluscaBase
|  Uniomerus tetralasmus (Say, 1831)
syonymy (11 available, 20 total) | specimens (13 + 3 Genbank vouchers)
Range: Widespread in eastern North America, from Lake Erie south to the Gulf of Mexico and west to Colorado. (North America)
Genbank sequences: 16S, 28S, 5.8S, COI, ITS1, mtGenome, ND1, SRA
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Uniomerus hanleyi Good, 1998 (Triassic)
syonymy (1 available, 1 total) | specimens (0)
Range: Triassic, North America.
other links: MolluscaBase |
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