Dromaeosauridae

Archaeopteryx

Jeholornis

Sapeornis

Confuciusornis

Protopteryx

Pengornis

Neuquenornis

Xiangornis

Gobipteryx

Concornis

Cathayornis

Archaeorynchus

Vorona

Hongshanornis

Patagopteryx

Yanornis

Yixianornis

Songlingornis

Apsaravis

Baptornis

Hesperornis

Ichthyornis

Iaceornis_

Lithornis

Crypturellus_undulatus

Crax_pauxi

Gallus_gallus

Chaunatorquata

Anas_platyrhynchos