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 Dromaeognathae (Huxley, 1867) P. Brodkorb, 1963
    Count: [†*] 1o;1f;6g;10s; †3g;4s
       1 Order Tinamiformes Huxley, 1872
      Count: -