Xiaotingia zhengi

…fossils of similar age, including Xiaotingia zhengi from the Liaoning deposits in China, have prompted several paleontologists to call for the reclassification of Archaeopteryx as a dinosaur.

…21st century, the discovery of Xiaotingia zhengi, a fossilized feathered dinosaur in China that shares several birdlike characteristics with Archaeopteryx, cast doubt on the notion that all birds descended from Archaeopteryx. X. zhengi appears in the fossil record some five million years before Archaeopteryx, and this fact suggests that the…