A dinosaur was any of a wide number of reptilian and pan-avian species belonging to the clade Dinosauria that lived from 237 million years ago to the end of the Cretaceous period 65 million years ago.[1] Though birds evolved from dinosaurs, dinosaurs themselves are extinct.

After hearing Madame Olympe Maxime claim that she had "big bones" rather than admit to being half-giant, Harry Potter remarked that the only thing that had bigger bones would be a dinosaur.[2]

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