Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
       01 Family †Plicatusidae Pan & Erwin, 2002, incertae sedis
       02 Family †Spanionematidae Golikov & Starobogatov, 1987, incertae sedis
       03 Family †Spirostylidae Cossmann, 1909, incertae sedis
       04 Superfamily †Acteoninoidea Cossmann, 1895, incertae sedis
       05 Superfamily †Dendropupoidea Wenz, 1938, incertae sedis
       06 Superfamily †Palaeostyloidea Wenz, 1938, incertae sedis
       07 Superfamily †Peruneloidea Frýda & Bandel, 1997, incertae sedis
       08 Superfamily †Pseudomelanioidea Hoernes, 1884, incertae sedis
       09 Superfamily †Subulitoidea Lindström, 1884, incertae sedis
       10 Zygopleuroid Group
       11 Informal Group Architaenioglossa Haller, 1892 see Order Architaenioglossa Haller, 1892
       12 Clade Sorbeoconcha Ponder & Lindberg, 1997 see Order Sorbeoconcha Ponder & Lindberg, 1997