Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass †Enantiornithes Walker, 1981
see Infraclass Enantiornithes Walker, 1981
Order †Longirostravisiformes Zhou & Zhang, 2006
see Order Longipterygiformes Zhang, Zhou, Hou & Gu, 2001
Family †Longirostravisidae Zhou & Zhang, 2006
see Clade Longipterygidae Zhang, Zhou, Hou & Gu 2001 [O'Connor et al. 2009]
1 Genus †Longirostravis Hou, Chiappe, Zhang & Chuong, 2004
2 ?Genus †Otogornis Hou, 1994