Dinosaurs took over planet amid cold that other reptiles couldn't survive 200 million years ago, study finds Dinosaur - Earth - Extinction event - Triassic.

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Study: Dinosaurs takes over amid ice not warmth Dinosaur - Earth - Extinction event - Ice.

Washington [US], July 4 (ANI): A new study of ancient mass extinction suggests that ancient high latitudes, to which early dinosaurs were largely relegated, regularly froze over, and that the creatures adapted an apparent key to their later dominance.

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Dinosaur with oldest EVER 'belly button' seen in 125-million-year-old fossil from China Dinosaur - Navel - Fossil - Paleontologist.

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First-ever Titanosaur 'egg-in-egg' suggests dinosaurs had a reproductive biology similar to birds Dinosaur - Biology - Dinosaur egg - Titanosauria.

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