(Dromaeosauridae,(Archaeopteryx,(((Jeholornis,(Shenzhouraptor,Jixiangornis)),(((Zhongornis,(Eoconfuciusornis,(Changchengornis,(Confuciusornis_sanctus,(Jinzhouornis_zhangjiyingia,Confuciusornis_dui))))),((Zhongjianornis,(Archaeorhynchus,(Jianchangornis,(((Chaoyangia,Eoornithura),(Vorona,Patagopteryx)),((((Songlingornis,(Yixianornis,((Gansus_yumenensis,Yumenornis_huangi),(Jiuquanornis_niui,(Changmaornis_houi,((Ichthyornis,(Limenavis,(Anas,(Vegavis,Gallus)))),(Enaliornis,(Baptornis_advenus,(Baptornis_varneri,(Hesperornis,Parahesperornis)))))))))),(Yanornis,Hollanda)),(Longicrusavis,Hongshanornis)),(Ambiortus,Apsaravis)))))),((Otogornis,((Boluochia,Longipteryx),(Rapaxavis,(Iberomesornis,((Gobipteryx,((Neuquenornis,(Eoenantiornis,(Concornis,(Eocathayornis,(Cathyaornis,(Eoalulavis,Liaoningornis)))))),(Pengornis,Vescornis))),(Longirostravis,Shanweiniao)))))),(Elsornis,Protopteryx)))),(Sapeornis,Didactylornis))),(Rahonavis,Shenqiornis))));