Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
Count: †15o;15f;23g;26s
   01 Order †Jeholornithiformes Zhou & Zhang, 2006
  Count: [†*] †1f;1g;1s
   02 Order †Sapeornithiformes Zhou & Zhang, 2006
  Count: [†*] †1f;1g;1s
   03 Order †Confuciusornithiformes Hou, Zhou, Gu & Zhang, 1995
  Count: [†*] †1f;3g;6s
   04 Subclass †Enantiornithes Walker, 1981 see Infraclass Enantiornithes Walker, 1981
  Count: †7o;7f;12g;12s
   05 Subclass Ornithurae Haeckel, 1866 see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
  Count: †5o;5f;6g;6s