Unio tumidus
| Swollen river mussel | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Unionida |
| Family: | Unionidae |
| Genus: | Unio |
| Species: | U. tumidus |
| Binomial name | |
| Unio tumidus Philipsson in Retzius, 1788 | |
| Distribution of Unio tumidus in Europe. | |
Unio tumidus, the swollen river mussel, is a species of freshwater mussel, an aquatic bivalve mollusc in the family Unionidae, the river mussels.
- Subspecies
- † Unio tumidus ludwigi Wenz, 1922