Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Obovaria Rafinesque, 1819: species

4 available nominal genus synonyms | cladomics

Included Species

Decorative image of a representative of Obovaria arkansasensis

Obovaria arkansasensis (Lea, 1862)

synonymy (2 available, 3 total) | specimens (2 + 74 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)

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

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)

synonymy (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 lumbo Johnson in Inoue et al., 2026

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

Range: Pascagoula, Pearl and Pontchartrain basins, Louisiana and Mississippi, USA. (North America)

other links: MolluscaBase

Obovaria neeskaensis Inoue & Harris in Inoue et al., 2026

synonymy (1 available, 3 total) | specimens (1 + 10 GenBank vouchers)

Range: White and St. Francis rivers, Missouri and Arkansas, USA. (North America)

GenBank sequences: COI, ND1
other links: MolluscaBase

Obovaria pinetorum Inoue & Harris in Inoue et al., 2026

synonymy (1 available, 3 total) | specimens (1 + 10 GenBank vouchers)

Range: Neches to Calcasieu basins, Texas and Louisiana, USA. (North America)

GenBank sequences: COI, ND1
other links: MolluscaBase

Decorative image of a representative of Obovaria retusa

Obovaria retusa (Lamarck, 1819)

synonymy (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 sipseyensis

Obovaria sipseyensis Inoue & Harris in Inoue et al., 2026

synonymy (2 available, 4 total) | specimens (2 + 6 GenBank vouchers)

Range: Alabama. Cahaba, and Tombigbee rivers, Alabama, USA. (North America)

GenBank sequences: COI, ND1
other links: MolluscaBase

Decorative image of a representative of Obovaria subrotunda

Obovaria subrotunda (Rafinesque, 1820)

synonymy (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 ITS1, COI, ND1
IUCN Red List: Endangered A4ce
NatureServe: G3
other links: MolluscaBase

Obovaria tallahattae Inoue & Johnson in Inoue et al., 2026

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

Range: Tributaries of the Mississippi River, Mississippi, USA. (North America)

other links: MolluscaBase

Obovaria unicolor (Lea, 1845)

synonymy (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 ITS1, COI, ND1
IUCN Red List: Lower Risk/near threatened
NatureServe: G2
other links: MolluscaBase