Medionidus
| Medionidus | |
|---|---|
|   | |
| Medionidus conradicus | |
| Scientific classification   | |
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Bivalvia | 
| Order: | Unionida | 
| Family: | Unionidae | 
| Tribe: | Lampsilini | 
| Genus: | Simpson, 1900 | 
Medionidus is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae.
Species within the genus Medionidus
- Medionidus acutissimus (Alabama moccasinshell)
- Medionidus conradicus
- Medionidus parvulus (Coosa moccasinshell)
- Medionidus penicillatus (gulf moccasinshell)
- Medionidus simpsonianus (Ochlockonee moccasinshell)
- Medionidus walkeri