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Text: Gallery Interactives. Games and facts from our galleries. Illustrations: Silhouettes of animals, from our gallery icons.
Marine Reptiles
Giant marine reptiles were the top predators of the oceans and seaways of the Mesozoic Era. Although they were reptiles, these animals were not dinosaurs. Marine reptiles ruled the seas just as the dinosaurs ruled the Earth. Like so many large land creatures, they disappeared 65 million years ago at the end of the Cretaceous Period.
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