| 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 | Quadrulini | Quadrulina genus Theliderma Swainson, 1840: species
3 available nominal genus synonyms (4 total synonyms) | cladomics  Theliderma cylindrica (Say, 1817)
syonymy (8 available, 11 total) | specimens (4 + 2 Genbank vouchers)
Range: Ohio, Cumberland, and Ozark Plateau drainages, USA. (North America)
Genbank sequences: 16S, 28S, COI, ND1, SRA
IUCN Red List: Near Threatened
NatureServe: G3
other links: MolluscaBase
|  Theliderma intermedia (Conrad, 1836)
syonymy (3 available, 4 total) | specimens (3 + 3 Genbank vouchers)
Range: Tennessee and Cumberland rivers, USA. (North America)
Genbank sequences: ND1
IUCN Red List: Endangered B1ab(i,ii,iii,iv)
NatureServe: G1
other links: MolluscaBase
| Theliderma johnsoni Bogan & Lopes-Lima in Lopes-Lima & Bogan, 2019
syonymy (1 available, 1 total) | specimens (1)
Range: Mobile Basin, Alabama. (North America)
Genbank sequences: COI, SRA
NatureServe: GNR
other links: MolluscaBase |  Theliderma metanevra (Rafinesque, 1820)
syonymy (4 available, 11 total) | specimens (3 + 6 Genbank vouchers)
Range: Widespread in the Interior and Mobile basin, USA. (North America)
Genbank sequences: 16S, 5.8S, COI, ITS1, ND1, SRA
IUCN Red List: Critically Endangered A1c (Theliderma tuberosa)
NatureServe: GNR
other links: MolluscaBase
|  Theliderma sparsa (Lea, 1841)
syonymy (1 available, 1 total) | specimens (1 + 2 Genbank vouchers)
Range: Tennessee River, USA. (North America)
Genbank sequences: ND1, SRA
IUCN Red List: Critically Endangered A1c
NatureServe: G1
other links: MolluscaBase
|  Theliderma stapes (Lea, 1831)
syonymy (1 available, 3 total) | specimens (1)
Range: Mobile Basin, Gulf Coastal Plain, USA. (North America)
IUCN Red List: Critically Endangered A1c
NatureServe: GX
other links: MolluscaBase
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