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3:16pm October 25th, 2019 [Instagram Hashtag]

Ever wonder what those bones sticking down from the tails of dinosaurs are? They’re called chevrons, and are present in most reptiles and some mammals. They help protect major blood vessels and serve as attachment points for tail muscles #FossilFriday #dinosaurs #paleontology #science #alberta #travelalberta #fossils #grandeprairie #gptourism

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