6 Ancient Mega-Predators that Once Ruled the World

Megalodon: Ancient Shark Giant

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Quetzalcoatlus northropi: Skies of the Cretaceous

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Pliosaurs: Masters of the Ancient Seas

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Andrewsarchus mongoliensis: Terrestrial Titan

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Short-Faced Bears: Giants of the Ice Age

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Tyrannosaurus rex: Legendary Land Predator

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