Clade Euornithes Stejneger 1885
Parent taxon: Ornithothoraces according to A. Cau and P. Arduini 2008
See also Hay 1902 and Sereno 1998
Sister taxa: Alamitornis, Enantiornithes, Ornithuromorpha, Xinghaiornis
Subtaxa: Cecomorphae Chenomorphae Gallinae Grallae Herodii Picariae