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