Songlingornithidae. - Prehistoric-Wildlife

Yanornis

In Depth Along with Microraptor, the discovery of Yanornis was born out of the Archaeoraptor scandal. Named after the Yan Dynasty, Yanornis features several features that are common to modern birds including the absence of the prefrontal bone, a bone that separates the lacrimal bone in front of the eye from the frontal bone that … Read more

Yixianornis

In Depth Yixianornis clearly differs from most other early Cretaceous birds in that the wings are rounded instead of pointed.‭ ‬The tail of Yixianornis‭ ‬is‭ ‬also clearly formed into a pygostyle which allowed for a strong and flexible attachment for tail feathers,‭ ‬which could be fanned out in flight,‭ ‬and then packed tight when resting.‭ … Read more