|Named By:||Xu Xing et al. in 2006|
|Time Period:||Late Jurassic, 158 Ma|
|Location:||China, Xinjiang Province - Shishugou Formation|
|Size:||1.2 meters long|
|Fossil(s):||Single skeleton that is very well preserved|
|Classification:||| Chordata | Reptilia | Dinosauria | Ornithischia | Marginocephalia | Ceratopsia ||
Yinlong (Yin Long , meaning "hidden dragon") is a genus of basal ceratopsian dinosaur from the Late Jurassic Period of central Asia. It was a small, primarily bipedal herbivore. Yinlong is the oldest and most primitive ceratopsian known.