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 †Neilsoniinae Knight, 1956
             1 Tribe †Neilsoniini Knight, 1956
             2 Tribe †Spirovallini Waterhouse, 2001