| 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 | Unionoidea | Unionidae | Ambleminae | Lampsilini genus Toxolasma Rafinesque, 1831: species
3 available nominal genus synonyms (4 total synonyms) | cladomics  Toxolasma corvunculus (Lea, 1868)
syonymy (1 available, 1 total) | specimens (1)
Range: Mobile Basin, east to the Choctawhatchee, eastern Gulf Coastal Plain, USA. (North America)
NatureServe: G1
other links: MolluscaBase
|  Toxolasma cylindrellus (Lea, 1868)
syonymy (1 available, 3 total) | specimens (1)
Range: Tennessee River, USA. (North America)
Genbank sequences: 5.8S, ITS1
IUCN Red List: Critically Endangered A2ace; B1ab(i,ii,iii,iv)
NatureServe: G1 (Toxolasma cylindrellum)
other links: MolluscaBase
|  Toxolasma lividum Rafinesque, 1831
syonymy (4 available, 7 total) | specimens (2 + 2 Genbank vouchers)
Range: Widespread in the Interior Basin, excluding the upper Mississippi, USA. (North America)
Genbank sequences: 28S, 5.8S, COI, COI M-type, COII, COII M-type, ITS1, ND1, other
IUCN Red List: Least Concern
NatureServe: G3
other links: MolluscaBase
|  Toxolasma parvum (Barnes, 1823)
syonymy (3 available, 5 total) | specimens (6 + 2 Genbank vouchers)
Range: Widespread in the Interior Basin and the rivers of the Gulf Coastal Plain, USA and Canada. Introduced to the Apalachicola and Ochlockonee rivers. (North America)
Genbank sequences: 16S, COI, mtGenome, ND1, other
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
|  Toxolasma paulum (Lea, 1840)
syonymy (7 available, 9 total) | specimens (8)
Range: Apalachicola River east to peninsular Florida, USA. (North America)
Genbank sequences: COI, ND1, other
NatureServe: G4
other links: MolluscaBase
|  Toxolasma pullus (Conrad, 1838)
syonymy (2 available, 2 total) | specimens (0)
Range: Southern Atlantic Slope from Georgia to North Carolina. (North America)
Genbank sequences: other
IUCN Red List: Vulnerable B1ab(i,iii,iv)
NatureServe: G2
other links: MolluscaBase
|  Toxolasma texasiense (Lea, 1857)
syonymy (5 available, 9 total) | specimens (15 + 2 Genbank vouchers)
Range: Widespread from in the southern Interior Basin and Western Gulf Coastal Plain, USA, and into Mexico. (North America)
Genbank sequences: 16S, COI, ND1, other
NatureServe: G4
other links: MolluscaBase
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