A new troodontid dinosaur from China with avian-like sleeping posture
@article{Xu2004ANT, title={A new troodontid dinosaur from China with avian-like sleeping posture}, author={X. Xu and M. Norell}, journal={Nature}, year={2004}, volume={431}, pages={838-841} }
Discovering evidence of behaviour in fossilized vertebrates is rare. Even rarer is evidence of behaviour in non-avialan dinosaurs that directly relates to stereotypical behaviour seen in extant birds (avians) and not previously predicted in non-avialan dinosaurs. Here we report the discovery of a new troodontid taxon from the Early Cretaceous Yixian Formation of western Liaoning, China. Numerous other three-dimensionally preserved vertebrate fossils have been recovered recently at this locality… CONTINUE READING
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