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Yinlong (meaning "Hidden Dragon") was a small basal primitave ceratopsian dinosaur from inner China of the Late Jurassic. It was the main preyitem for Guanlong. It's face only started showing features of the later, larger, and more powerful ceratopsians. It was described in 2006 by Xu Xing and some of his colleagues. It was also 1.2 meters ( 4 feet ). Its diet was plants. Its habitat was the woodlands of Asia.====