Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Heterobranchia Burmeister, 1837 see Superorder Heterobranchia Burmeister, 1837
       Informal Group "Lower Heterobranchia"
         Superfamily Acteonoidea d'Orbigny, 1843
           1 Family Acteonidae d'Orbigny, 1843, nom. protect. - bubble shells
           2 Family †Acteonellidae Gill, 1871
           3 Family Aplustridae Gray, 1847
           4 Family Bullinidae Gray, 1850
           5 Family †Zardinellidae Bandel, 1994