Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
Count: [*†*] 3p;8c;66o;519f;3514g;510s;2ss; ‡3s; †1p;8c;86o;266f;698g;38s
   Phylum Chordata Bateson, 1885 - chordates
  Count: [*†*] 8c;66o;519f;3513g;510s;2ss; ‡3s; †7c;86o;265f;696g;38s
     Subphylum Craniata auct.
    Count: [*†*] 5c;62o;517f;3511g;510s;2ss; ‡3s; †7c;86o;265f;695g;38s
       Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
      Count: [*†*] 4c;61o;516f;3504g;505s;2ss; ‡3s; †7c;86o;265f;691g;36s
         Myopterygii Janvier, 1978 - myopterygians
        Count: [*†*] 3c;60o;513f;3494g;499s;2ss; ‡3s; †5c;74o;256f;651g;32s
           Superclass †Osteostracomorphi [monotypic]
          Count: [†*] †1c;3o;8f;14g;2s
             Class †Cephalaspidomorphi Kiaer & Stensiö, 1920 see Class Osteostraci Lankester, 1868
            Count: [†*] †3o;8f;14g;2s
               Order †Cephalaspidiformes Halstead Tarlo, 1967
              Count: [†*] †8f;6g;2s
                 †Cornuata
                Count: [†f] †8f
                   Family †Sclerodidae Berg, 1940, orth. inval. see Family Sclerodontidae Berg, 1940
                  Count: -