page_title: Paleobiota of the Yixian Formation
section_title: Other theropods
hierarchical_section_title: Paleobiota of the Yixian Formation / Theropods / Other theropods
caption_attribution_description: Digital illustration of the coelurosaurian dinosaur Sinosauropteryx prima, based on the holotype specimen. Coloration and pattern follows Zhang et al 2010. Zhang, F., Kearns, S.L., Orr, P.J., Benton, M.J., Zhou, Z., Johnson, D., Xu, X. and Wang, X. (In press). "Fossilized melanosomes and the colour of Cretaceous dinosaurs and birds." Nature, advanced online publication, 27 January 2010.
context_page_description: The Yixian Formation is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans about 5 million years during the early Cretaceous period. It is known for its fossils, listed below.
  The Yixian Formation is divided into the following subunits:
  Jingangshan Bed
  Dawangzhangzi Bed
  Jianshangou Bed
  Lujiatun Bed
  Basalt base
caption: Sinosauropteryx prima
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