Truncatelloidea
| Truncatelloidea | |
|---|---|
| Discopsis gruveli | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Order: | Littorinimorpha | 
| Superfamily: | Truncatelloidea Gray, 1840 | 
Truncatelloidea is a superfamily of snails, gastropod mollusks in the clade Caenogastropoda.
The families are marine, brackish, freshwater and terrestrial.