(Dromaeosauridae,(Archaeopteryx,(Jeholornis,(((Sapeornis,Didactylornis),((Chaoyangia,Zhongjianornis,Vorona,Schizooura,Archaeornithura,Jianchangornis,Archaeorhynchus,DING,Songlingornis,Ambiortus,Longicrusavis,Apsaravis,Hongshanornis,Yanornis,Iteravis,Patagopteryx,Hollanda,Yixianornis,Gansus,Ichthyornis,Enaliornis,Limenavis,(Baptornis_advenus,(Baptornis_Varneri,(Hesperornis,Parahesperornis))),(Vegavis,(Anas,Gallus))),(Elsornis,Otogornis,Protopteryx,Vescornis,((((Boluochia,Longipteryx),(Iberomesornis,Rapaxavis,(Longirostravis,Shanweiniao))),(Gobipteryx,Neuquenornis,(Eoenantiornis,(Concornis,(Eocathayornis,(Cathyaornis,(Eoalulavis,Liaoningornis))))))),(shenqiornis,((Eopengornis,Parapengornis_REF),(Chiappeavis,(Pengornis,Parapengornis_holo)))))))),(Eoconfuciusornis,((Confuciusornis_sanctus,Changchengornis),(Jinzhouornis_zjy,Confuciusornis_dui_Cast)))))));