Pinacosaurus
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Pinacosaurus was an ankylosaur from the late Cretaceous period. It lived circa 75-80 million years ago in Mongolia. Like all ankylosaurids, it had a bony club at the end of its tail which it used as a defensive weapon against predators such as Tarbosaurus. Pinacosaurus was a relatively small ankylosaur with a length of only 4 meters.
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