Parent taxon: Enantiornithes according to A. Cau and P. Arduini 2008
See also Chiappe 2002 and Livezey and Zusi 2007
Sister taxa: Aberratiodontuidae, Alexornithiformes, Avimaia, Avisauridae, Bohaiornithidae, Boluochiformes, Brevirostruavis, Castignovolucris, Cathayornis, Cathayornis aberransis, Cathayornis chabuensis, Cathayornithiformes, Concornis, Cruralispennia, Dunhuangia, Elektorornis, Elsornis, Enantiornithiformes, Eoalulavis, Eocathayornis, Eoenantiornis, Eoenantiornithiformes, Euornithiformes, Evgenavis, Falcatakely, Feitianius, Flexomornis, Fortipesavis, Fortunguavis, Gobipipus, Gobipteryx, Gretcheniao, Holbotia, Houornis, Huoshanornis, Iberomesornis, Imparavis, Junornis, Lectavis, Linyiornis, Longipterygidae, Longipterygiformes, Longirostravisiformes, Microenantiornis, Mirusavis, Monoenantiornis, Musivavis, Navaornis, Noguerornis, Orienantius, Otogornis, Paraprotopteryx, Parvavis, Pengornithidae, Piscivorenantiornis, Protopterygiformes, Protopteryx, Pterygornis, Qiliania, Shangyang, Sinornis, Vescornis, Xiangornis, Yatenavis, Yuanjiawaornis, Yungavolucris, Yuornis
Subtaxa: Apsaraviformes Cratoavis Dalingheornis Elbretornis Enantiornis Grabauornis Liaoxiornis Liaoxiornis delicatus Martinavis Rahonaviformes
Ecology: ground dwelling carnivore