[Phylum] Chordata Bateson, 1885 - chordates
   Subphylum Craniata auct.
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
       Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
         Class †Placodermi McCoy, 1848
           †Arthrodira Woodward, 1891
             Order †Actinolepidiformes
               1 Family †Antarctaspididae White, 1968, nom. praeval.
               2 Family †Wuttagoonaspididae Ritchie, 1973, nom. praeval.
               3 Family †Kujdanowiaspididae Berg, 1955, nom. praeval.
               4 Family †Gavinaspididae Dupret & Zhu, 2008
               5 Family †Phyllolepididae Woodward, 1891, nom. praeval.
               6 Family †Actinolepididae Gross, 1940, nom. praeval.