Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Vetigastropoda Salvini-Plawen, 1980 see Order Vetigastropoda Salvini-Plawen, 1980
       Superfamily †Eotomarioidea Wenz, 1938
         Family †Eotomariidae Wenz, 1938
           Subfamily †Ptychomphalinae Wenz, 1938
             1 Tribe †Ptychomphalini Wenz, 1938
             2 Tribe †Mourloniini Yochelson & Dutro, 1960