Subclass Avialae Gauthier, 1986 see Clade Avialae Gauthier 1986
Count: [o] 31o;113f; ‡2o;6f; †11o;14f
   Infraclass Aves Linnaeus, 1758 see Subclass Aves Linnaeus, 1758
  Count: [o] 31o;113f; ‡2o;6f; †11o;14f
     Parvclass Neornithes Gadow, 1893 see Subclass Neornithes Gadow, 1893
    Count: [o] 31o;113f; ‡2o;6f; †4o;7f
       Cohort Palaeognathae Pycraft, 1900
      Count: [f†f] 4o;6f; ‡2o;3f
         Subcohort Ratitae Merrem, 1813
        Count: [f†f] 3o;5f; ‡2o;3f
           Superorder Apterygimorphae
          Count: [f†f] 1o;1f; ‡1o;2f
             Order ‡Dinornithiformes Gadow, 1893 - moas
            Count: [†f] ‡2f
               Family ‡Dinornithidae Owen, 1843 - dinornithid moas
              Count: -