Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass †Enantiornithes Walker, 1981
see Infraclass Enantiornithes Walker, 1981
Order †Longipterygithiformes nom. null.
see Order Longipterygiformes Zhang, Zhou, Hou & Gu, 2001
1 Family †Longipterygithidae Zhou & Zhang, 2006
see Clade Longipterygidae Zhang, Zhou, Hou & Gu 2001 [O'Connor et al. 2009]