Epitonioidea
| Epitonioidea | |
|---|---|
| Janthina janthina | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Superfamily: | Epitonioidea Berry, S.S., 1910 | 
| Families | |
| See text. | |
Epitonioidea is a superfamily of planktonic and ectoparasitic sea snails, marine gastropod molluscs within the informal group Ptenoglossa. This superfamily includes the wentletraps and the purple snails.