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
           1 Subfamily †Eotomariinae Wenz, 1938
           2 Subfamily †Ptychomphalinae Wenz, 1938
           3 Subfamily †Neilsoniinae Knight, 1956