Kingdom Animalia Linnaeus, 1758 - animals
   Phylum †Conodonta Eichenberg, 1930 see Subclass Conodonta Eichenberg, 1930
     Class †Conodontophorida Eichenberg, 1930 see Order Conodontophorida Eichenberg, 1930
       Order †Distacodontina
         Genus †Drepanoistodus Lindstrom, 1971
         Genus †Eoneoprioniodus Mound, 1965
         Genus †Icriodella Rhodes, 1953
         Genus †Microzarkodina Lindstrom, 1971
         Genus †Pedavis Klapper & Philip, 1971
         Genus †Phragmodus Branson & Mehl, 1933
         Genus †Pterospathodus Walliser, 1964
         Genus †Rhipidognathus Branson, Mehl & Branson, 1951
         Genus †Scandodus Lindström, 1954