World’s First Ever Fossilized Dinosaur Brain Found

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An unassuming brown pebble, found more than a decade ago by a fossil hunter in Sussex, has been confirmed as the first example of fossilised brain tissue from a dinosaur,that lived about 133 million years ago.

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After examining the pebble under a scanning electron microscope, scientists were able to make out blood vessels, capillaries, cortical tissue, and even the remnants of meninges.

The fossil, most likely from a species closely related to Iguanodon, displays distinct similarities to the brains of modern-day crocodiles and birds.

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Dr Wacey said without seeing the lobes of the brain itself the size of the brain will remain a mystery,based on it and other endocasts, the animal was at least as smart as modern crocodilians.

SOURCECambridge University
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