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Here are just a few of the places where some of the greatest chapters of that story have been revealed.Though now a frozen desert, Antarctica was once much warmer.The sedimentary layers of the coastline have yielded countless fossils belonging to plants and animals spanning the entire Mesozoic Era, from about 252 to 66 million years ago.

Aside from dinosaurs, Hell Creek is also home to fossils of many primitive mammals, prehistoric turtles, crocodiles and pterosaurs.Life has thrived on Earth for at least 3.7 billion years, a story told by rocks from some of the best fossil sites in the world.Since the beginning of recorded history, fossils have confounded their discoverers, leading to wild folktales about mythical dragons and other strange creatures.Off the coast of the Antarctic Peninsula lies Seymour Island, home to some of the continent’s most important fossil sites.The rock formations span some 50 million years of the Earth’s history, ranging from the Late Cretaceous to the Eocene, or about 100 to 50 million years ago.

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