An exceptionally well-preserved theropod dinosaur from the Yixian Formation of China

Published on Jan 1, 1998in Nature43.07
· DOI :10.1038/34356
Pei-ji Chen1
Estimated H-index: 1
(AS: Academia Sinica),
Zhiming Dong13
Estimated H-index: 13
(AS: Academia Sinica),
Shuo-nan Zhen1
Estimated H-index: 1
(AMNH: American Museum of Natural History)
Two spectacular fossilized dinosaur skeletons were recently discovered in Liaoning in northeastern China. Here we describe the two nearly complete skeletons of a small theropod that represent a species closely related to Compsognathus. Sinosauropteryx has the longest tail of any known theropod, and a three-fingered hand dominated by the first finger, which is longer and thicker than either of the bones of the forearm. Both specimens have interesting integumentary structures that could provide information about the origin of feathers. The larger individual also has stomach contents, and a pair of eggs in the abdomen.
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