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Species & Genus Richness by
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Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Obovaria Rafinesque, 1819: species

5 available nominal genus synonyms | cladomics

Included Species

Decorative image of a representative of Obovaria arkansasensis

Obovaria arkansasensis (Lea, 1862)

syonymy (3 available, 4 total) | specimens (3 + 100 Genbank vouchers)

Range: Alabama west to Texas in the Gulf Coastal Plain, and the Ozark Plateau, USA. (North America)

Genbank sequences: 16S, COI, ND1
IUCN Red List: Vulnerable B2ab(i,iii,iv) (Obovaria jacksoniana)
NatureServe: G3
other links: MolluscaBase

Obovaria choctawensis (Athearn, 1964)

syonymy (1 available, 1 total) | specimens (0)

Range: Escambia, Yellow, Choctawhatchee basins, eastern Gulf Coastal Plain, Alabama and Florida. (North America)

Genbank sequences: COI, ND1
IUCN Red List: Near Threatened
NatureServe: G2
other links: MolluscaBase

Obovaria haddletoni (Athearn, 1964)

syonymy (1 available, 1 total) | specimens (1)

Range: Endemic to the Choctawhatchee River, eastern Gulf Coastal Plain, Alabama. (North America)

IUCN Red List: Critically Endangered A2ac
NatureServe: GX
other links: MolluscaBase

Obovaria olivaria (Rafinesque, 1820)

syonymy (5 available, 14 total) | specimens (4 + 20 Genbank vouchers)

Range: Widespread in the Interior and Great Lakes basins, North America. (North America)

Genbank sequences: 16S, COI, COI M-type, COII, COII M-type, mtGenome, ND1
IUCN Red List: Least Concern
NatureServe: G4
other links: MolluscaBase

Decorative image of a representative of Obovaria retusa

Obovaria retusa (Lamarck, 1819)

syonymy (5 available, 8 total) | specimens (3 + 1 Genbank voucher)

Range: Ohio, Cumberland and Tennessee rivers, USA. (North America)

Genbank sequences: COI, ND1
IUCN Red List: Critically Endangered A1ce+2ce
NatureServe: G1
other links: MolluscaBase

Decorative image of a representative of Obovaria subrotunda

Obovaria subrotunda (Rafinesque, 1820)

syonymy (15 available, 22 total) | specimens (8 + 30 Genbank vouchers)

Range: Ohio, Cumberland and Tennessee rivers as well as the central Great Lakes, Canada and USA. (North America)

Genbank sequences: 16S, 28S, 5.8S, COI, ITS1, ND1
IUCN Red List: Endangered A4ce
NatureServe: G3
other links: MolluscaBase

Obovaria unicolor (Lea, 1845)

syonymy (4 available, 4 total) | specimens (3 + 12 Genbank vouchers)

Range: Mississippi and Alabama, eastern Gulf Coastal Plain. (North America)

Genbank sequences: 16S, 28S, 5.8S, COI, ITS1, ND1
IUCN Red List: Lower Risk/near threatened
NatureServe: G2
other links: MolluscaBase

 
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