Order Hypsogastropoda – Littorinimorpha
- All
- Superfamily Calyptraeoidea
- Superfamily Capuloidea
- Superfamily Cingulopsoidea
- Superfamily Cypraeoidea
- Superfamily Epitonioidea
- Superfamily Eulimoidea
- Superfamily Littorinoidea
- Superfamily Naticoidea
- Superfamily Pterotracheoidea
- Superfamily Rissooidea
- Superfamily Tonnoidea
- Superfamily Triphoroidea
- Superfamily Truncatelloidea
- Superfamily Vanikoroidea
- Superfamily Velutinoidea
- Superfamily Vermetoidea
- Superfamily Xenophoroidea
