†order Chaoyangornithiformes Hou 1997 (avialan)
Reptilia - Chaoyangornithiformes
Parent taxon: Ornithurae according to X. Zhou and F. Zhang 2001
Sister taxa: Apatornis, Archaeovolans, Carinatae, Cerebavis, Changzuiornis, Chaoyangiformes, Dromaeognathae, Gargantuaviidae, Gobipterygiformes, Guildavis, Hesperornithiformes, Iaceornis, Ichthyornithes, Kookne, Kuszholia, Liaoningornithiformes, Limenavis, Odontoholcae, Odontoholomorphae, Qinornis, Tingmiatornis, Yanornithiformes, Yixianornithiformes
Subtaxa: none
Ecology: ground dwelling carnivore
Distribution: there are no occurrences of Chaoyangornithiformes in the database