Is that of the cretaceous bird Confuciusornis.

是白垩纪鸟类 Confuciusornis 的。

These included species like Confuciusornis and Sapeornis.

其中包括孔子鸟和 Sapeornis 等物种。

So things like Confuciusornis and the Enantiornithene birds.

所以像 Confuciusornis 和 Enantiornithene 鸟类。

They named it Confuciusornis, and it lived 130 million years ago -- way back in the early Cretaceous.

他们将它命名为孔子鸟，它生活在 1.3 亿年前——早在白垩纪早期。

And the strangest thing was: Confuciusornis was neither an ornithurine nor an enantiornithine.

孔子鸟既不是鸟氨酸也不是对映鸟氨酸。