Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Conchifera Gegenbaur, 1878 see Subphylum Conchifera Gegenbauer, 1878
     Pleistomollusca Kocot, Cannon, Todt, Citarella, Kohn, Meyer, Santos, Schander, Moroz, Lieb & Halanych 2011
       Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795