- Kingdom Animalia
- Phylum Mollusca
- Class Gastropoda
- Subclass Caenogastropoda
Child taxons:
| Superfamily Calyptraeoidea → Family Calyptraeidae → Genus Crepidula |  |
| Superfamily Cypraeoidea |     |
| Superfamily Naticoidea → Family Naticidae |     |
| Superfamily Pterotracheoidea → Family Carinariidae → Genus Carinaria |  |
| Superfamily Rissooidea → Family Rissoinidae → Genus Rissoina |  |
| Superfamily Stromboidea |     |
| Superfamily Tonnoidea |     |
| Superfamily Vanikoroidea → Family Eulimidae |     |
| Superfamily Velutinoidea |     |
| Superfamily Vermetoidea → Family Vermetidae |     |