Species Classification: ‭ ‬Avialae

Yuornis

In Depth        Yuornis is a genus of enantiornithine bird that lived in China during the late Cretaceous.‭ ‬The skull of Yuornis is noted for being completely toothless. Further reading -‭ ‬A new,‭ ‬remarkably preserved,‭ ‬enantiornithine bird from the Upper Cretaceous Qiupa Formation of Henan‭ (‬central China‭) ‬and convergent evolution between enantiornithines and modern birds.‭ ‬-‭ … Read more

Yuanchuavis

In Depth        Yuanchuavis is a genus of enantiornithine bird that lived in Asia during the early Cretaceous.‭ ‬Yuanchuavis‭ ‬is confirmed to have had two elongated retrices‭ (‬flight feathers‭) ‬in the tail.‭ ‬Melanosome sampling of the holotype fossil suggests that the elongated‭ ‬retrices would have been black in life,‭ ‬while the remaining tail feathers either iridescent … Read more

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