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 Gnathostomata Gegenbaur, 1874 - jawed vertebrates
          Count: [*†*] 3c;60o;513f;3494g;499s;2ss; ‡3s; †2c;65o;234f;595g;26s
             Grade †Placodermiomorphi [monotypic]
            Count: [†*] †1c;8o;25f;44g
               Class †Placodermi McCoy, 1848
              Count: [†*] †8o;25f;44g
                 Order †Arthrodiriformes Grande & Eastman, 1986 - arthrodires see [unranked] Arthrodira Woodward, 1891
                Count: [†*] †15f;15g
                   .1 Family †Camuropiscidae Dennis & Miles, 1979
                  Count: [†*] †1g
                   .2 Family †Dinichthyidae Newberry, 1885
                  Count: -
                   .3 Genus †Hadrosteus Gross, 1932
                  Count: -
                   .4 Family †Mylostomatidae Woodward, 1891
                  Count: -
                   .5 Family †Panxiosteidae Wang, 1979
                  Count: -
                   .6 Family †Selenosteidae Dean, 1901
                  Count: -
                   .7 Family †Titanichthyidae Dean, 1901
                  Count: -
                   .8 Family †Wuttagoonaspidae Ritchie, 1973 see Family Wuttagoonaspididae Ritchie, 1973, nom. praeval.
                  Count: -
                   1 Suborder †Actinolepidoidei Miles, 1973 see Order Actinolepidiformes
                  Count: [†*] †1f;6g
                   2.1? Family †Antarctaspidae White, 1968 see Family Antarctaspididae White, 1968, nom. praeval.
                  Count: -
                   2.2 Suborder †Phyllolepida Stensiö, 1934 [monotypic] see Suborder Phyllolepidoidei
                  Count: [†*] †1f;3g
                   3 Suborder †Phlyctaeniida see Suborder Phlyctaenioidei
                  Count: [†*] †2f;1g
                   4 Suborder †Brachythoraci Gross, 1932
                  Count: [†*] †3f;3g