Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Neritimorpha Koken, 1896 see Order Neritimorpha Golikov & Starobogatov, 1975
       Superfamily †Oriostomatoidea Koken, 1896, incertae sedis
         1 Family †Oriostomatidae Koken, 1896
         2 Family †Tubinidae Knight, 1956