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 Opisthobranchia Milne-Edwards, 1846 see Order Opisthobranchia Milne-Edwards, 1848
         "Group" Acochlidiacea Odhner, 1937 see Suborder Acochlidiacea Odhner, 1937
           Superfamily Palliohedyloidea Rankin, 1979 see Suborder Hedylopsacea Starobogatov, 1983
             1 Family Palliohedylidae Rankin, 1979 see Family Acochlidiidae Küthe, 1935