page_title: Paleobiota of the Yixian Formation
section_title: Dromaeosaurs and troodontids
hierarchical_section_title: Paleobiota of the Yixian Formation / Theropods / Dromaeosaurs and troodontids
caption_attribution_description: Graciliraptor lujiatunensis.
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: Graciliraptor
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