Dinosaur brains dating

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It was among the last of the non-avian dinosaurs to exist prior to the Cretaceous-Paleogene extinction event, which wiped out the dinosaurs.More mobile than many other land-based dinosaurs, have been unearthed, according to National Geographic.But not all of the dinosaur's teeth served the same function, according to a 2012 study in the Canadian Journal of Earth Sciences.

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The chances of preserving brain tissue are incredibly small, so the discovery of this specimen is astonishing."The brain was found by fossil hunter Jamie Hiscocks near Bexhill in Sussex in 2004.Scientists say the "astonishing" find will help them understand the structure of dinosaur brains, as well as how they evolved to what we see today in birds and crocodiles.Preserved soft tissues of vertebrates and terrestrial organisms are extremely rare in the fossil record.Importantly, may be big, but its predecessors were small.The first tyrannosaurs, which were human- to horse-size, originated about 170 million years ago during the mid-Jurassic.

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