The Alabama orb, (Quadrula asperata), is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is endemic to the Alabama.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/TUEuEZC2YwTCnFmVv16tGQ== | 5.88129e-14 |
| dbr:Alabama_orb | 5.88129e-14 |