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 †Prioniodontida Dzik
      Count: †1f;2g;11s
         Family †Icriodontidae Müller & Müller
        Count: †2g;11s
           Genus †Icriodus Branson & Mehl, 1933
          Count: †8s
             ?†Icriodus costatus (Thomas)
            Count: -