Vertebrata Cuvier, 1812 - vertebrates
Status: extant
   Gnathostomata
  Status: extant
     Teleostomi
    Status: extant
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
      Status: extant
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
        Status: extant
           Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
          Status: extant
             Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
            Status: extant
               Superorder Palaeognathae Pycraft, 1900 see Cohort Palaeognathae Pycraft, 1900
              Status: extant
                 Order ‡Dinornithiformes Gadow, 1893 [monotypic] - moas
                Period: Holocene (0.0117 Ma - present); Status: extinct
                   1 Family ‡Dinornithidae Owen, 1843 - dinornithid moas
                  Status: extinct