According to this new work by the author of "The Great Paleozoic Crisis," some 250 million years ago, the Earth suffered the greatest biological catastrophe in its history. Around 95 percent of all living species died out--a global event far greater than the dinosaurs' demise 65 million years ago.
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According to this new work by the author of "The Great Paleozoic Crisis," some 250 million years ago, the Earth suffered the greatest biological catastrophe in its history. Around 95 percent of all living species died out--a global event far greater than the dinosaurs' demise 65 million years ago.
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