New Stegosaur Species Unearthed in China paleontology science
in Asia and represents one of the earliest records of this dinosaur group from anywhere in the world.The stegosaurs were an iconic group of armored dinosaurs with hypertrophied dermal armor plates and/or spines extending from the neck to the end of the tail.The first stegosaurs are known from the Middle Jurassic of Europe, China, Argentina, and Morocco.
Stegosaurian diversity appears to have decreased after the Jurassic period, and they seem to have gone extinct by the Middle Cretaceous. About 14 stegosaur genera are currently recognized. The newly-discovered stegosaur species roamed the Earth during the Middle Jurassic period, around 168 million years ago.It had a smaller and less developed should blade, narrower and thicker bases to its armor plates and other features that are different from all other Middle Jurassic stegosaurs discovered so far.
However, it had similarities with some of the first armored dinosaurs, which are over 20 million years older. “All these features are clues to the stegosaurs’ place on the dinosaur family tree,” said Dr. Dai Hui, a paleontologist with the Chongqing Bureau of Geological and Mineral Resource Exploration and Development.can be distinguished from other Middle Jurassic stegosaurs, and clearly represents a new species.”
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