| Rotundaria | |
|---|---|
| |
| Rotundaria pustulosa | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Unionida |
| Family: | Unionidae |
| Genus: | Rotundaria Rafinesque, 1820 |
Rotundaria is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.