A new stegosaur (Dinosauria: Ornithischia) from the Middle Jurassic of Gansu Province, China
Abstract Stegosaurs are a minor but iconic clade of ornithischian dinosaurs, yet due to a poor fossil record, their early evolution is poorly understood.Here, we describe a new stegosaur, Baiyinosaurus baojiensis, gen.et sp.nov.from the Middle Jurassic Wangjiashan Animal Supplements Formation of the Pingchuan District, Baiyin City, Gansu Province,