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
       Superfamily †Peruneloidea Frýda & Bandel, 1997, incertae sedis
         Family †Imoglobidae Nützel, Erwin & Mapes, 2000