(Dromaeosauridae,(Archaeopteryx,(Jeholornis,((Sapeornis,((Protopteryx,(Iberomesornis,Longirostravis,Rapaxavis,Shanweiniao,(Boluochia,Longipteryx)),(Eocathayornis,(Elsornis,(Fortunguavis,Dunhuangia,((Pterygornis,(Eoenantiornis,(Cathayornis,(Eoalulavis,Gobipteryx,Neuquenornis,Vescornis,(Concornis,Qiliania))))),(Zhouornis,(Shenqiornis,Sulcavis,Longiungulavis,(Bohaiornis,Parabohaiornis))))))),(Pengornis,Eopengornis)),(Archaeorhynchus,(Jianchangornis,((Vorona,Schizooura,Patagopteryx),((Songlingornis,Yanornis,Yixianornis,Piscivoravis,(Iteravis,(Gansus,(Apsaravis,Ichthyornis,(Enaliornis,(Baptornis_advenus,(Baptornis_varneri,(Hesperornis,Parahesperornis)))),(Vegavis,(Anas,Gallus)))))),(Longicrusavis,Hongshanornis))))))),(Eoconfuciusornis,(Confuciusornis_sanctus,Changchengornis,(Jinzhouornis,Confuciusornis_dui)))))));