(Dromaeosauridae,(Archaeopteryx,(Jeholornis,(Sapeornis,(Chongmingia,((Eoconfuciusornis_zhengi,(V18929,(Changchengornis_hengdaoziensis,(Confuciusornis_sanctus,Confuciusornis_dui)))),(((Monoenantiornis,((Eoenantiornis,((Fortunguavis,(Linyiornis,(Pterygornis,(Dunhuangia,((((Boluochia,Longipteryx),(Shanweiniao,(Longirostravis,Rapaxavis))),(Eocathayornis,(Eoalulavis,(Cathayornis,(Concornis,(Piscivorenantiornis,(Gobipteryx,Neuquenornis))))))),(Elsornis,Vescornis)))))),(Zhouornis,((Longusunguis,(Sulcavis,Shenqiornis)),(Bohaiornis,Parabohaiornis))))),(Qiliania,Cruralispennia))),(Protopteryx,(Pengornis,Eopengornis))),(Jianchangornis,((Archaeorhynchus,Patagopteryx),(Vorona,((Schizooura,Bellulornis),(Apsaravis,((Songlingornis,(Yanornis,(Piscivoravis,(Yixianornis,(Iteravis,(Gansus,(Ichthyornis,((Enaliornis,(Baptornis_advenus,(Baptornis_varneri,(Hesperornis,Parahesperornsi)))),(Vegavis,(Anas,Gallus)))))))))),(Hongshanornis,(Longicrusavis,(Parahongshanornis,(Archaeornithura,Tianyuornis)))))))))))))))));