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