Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
Count: 28o;94f;139g;10s; ‡2o;4f;17g; †3o;34f;315g;10s
   Subclass Ornithurae Haeckel, 1866 see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
  Count: 28o;94f;139g;10s; ‡2o;4f;17g; †1o;32f;312g;4s
     Infraclass Ratitae (Merrem, 1813) P. Brodkorb, 1963 see Parvclass Ratitae (Merrem, 1813)
    Count: [o†g] 4o;5f;5g; ‡2o;3f;6g; †3f;11g
       Order ‡Dinornithiformes Gadow, 1893 - moas
      Count: -
         Family ‡Emeidae Bonaparte, 1854 - emeid moas
        Count: [g†g] ‡4g‡‡2g
           Subfamily ‡Emeinae Bonaparte see Family Emeidae Bonaparte, 1854
          Count: [g†g] ‡2g‡‡1g
             1 Genus ‡Emeus Reichenbach, [1852]
            Count: -
             2 Genus ‡Euryapteryx Haast, 1874
            Count: -
             3 Genus †Zelornis Oliver, 1949
            Count: -