Phylum Chordata Bateson, 1885 - chordates
Count: †1c;2o;5f;9g;70s
   Class †Conodonta Eichenberg, 1930
  Count: †2o;5f;9g;70s
     Subclass †Conodonti Branson see Subclass Conodonta Eichenberg, 1930
    Count: †2o;5f;9g;70s
       Order †Ozarkodinida Dzik
      Count: †4f;7g;59s
         Family †Polygnathidae Bassler
        Count: †2g;22s
           Genus †Polylophodonta Branson & Mehl, 1933
          Count: †2s
             †Polylophodonta confluens (Ulrich & Bassler)
            Count: -