Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Ornithurae Haeckel, 1866
see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
Order †Chaoyangornithiformes Hou, 1997, nom. imperf.
see Order Chaoyangiiformes Hou, 1997
Family †Chaoyangornithidae Hou, 1997
see Family Chaoyangiidae Hou, 1997
Genus †Songlingornis Hou, 1997
1 †Songlingornis linghensis Hou, 1997