| Cumberland leafshell | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Unionoida |
| Family: | Unionidae |
| Genus: | Epioblasma |
| Species: | E. stewardsonii |
| Binomial name | |
| Epioblasma stewardsonii (I. Lea, 1852) |
|
| Synonyms | |
|
Dysnomia stewardsoni I. Lea, 1852 |
|
The Cumberland leafshell or Steward's pearly mussel, Epioblasma stewardsonii, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
This species was endemic to the drainages of the Cumberland River and the Tennessee River in the United States. Its natural habitat was rivers.