†order Yixianornithiformes Zhou and Zhang 2006 (bird)
Full reference: Z. Zhou and F. Zhang. 2006. Mesozoic birds of China—a synoptic review. Vertebrata PalAsiatica 44(1):60-98
Parent taxon: Ornithurae according to Z. Zhou and F. Zhang 2006
Sister taxa: Ambiortus, Apatornis, Apsaravis, Archaeovolans, Carinatae, Chaoyangia, Chaoyangiformes, Chaoyangornithiformes, Gansus, Gobipterygiformes, Guildavis, Hesperornis, Iaceornis, Jianchangornis, Liaoningornithiformes, Odontoholcae, Odontoholomorphae, Otogornis, Qinornis, Schizooura, Songlingornithidae, Yanornithiformes
Subtaxa: Yixianornithidae
Ecology: ground dwelling carnivore