(Dromaeosauridae,(Archaeopteryx,(Jeholornis,(Sapeornis,(Confuciusornis,(Protopteryx,((Archaeorynchus,(Vorona,(Patagopteryx,Hongshanornis,(Apsaravis,((Ichthyornis,('Iaceornis ',((('Anas platyrhynchos','Chauna torquata'),('Gallus gallus','Crax pauxi')),('Crypturellus undulatus',Lithornis)))),(Hesperornis,Baptornis))),(Yanornis,(Songlingornis,Yixianornis))))),(Pengornis,(Neuquenornis,(Xiangornis,(Gobipteryx,(Cathayornis,Concornis))))))))))));