Newly described fossils from South America are rewriting the story of giant snakes, revealing that anacondas have been enormous for at least 12 million years and never went through a downsizing phase.
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Rare Anaconda Fossils Prove They Have Always Been Enormous and Outlived Other Prehistoric Giants
The Miocene, 23 million to 5.3 million years ago, brought a warm, humid climate, allowing flora and fauna to flourish and reach record-breaking sizes due to abundant resources. As the climate shifted, ...
During the Middle to Upper Miocene period (12.4 to 5.3 million years ago), giant animals walked—and slithered—the Earth thanks to warmer temperatures, larger wetlands, and greater amounts of food.
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