Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
   Orthogastropoda Ponder & Lindberg, 1995 see Subclass Orthogastropoda Ponder & Lindberg, 1995
     Apogastropoda Salvini-Plawen & Haszprunar, 1987
       1 Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
       2 Heterobranchia Burmeister, 1837 see Superorder Heterobranchia Burmeister, 1837