Triceratops, with its distinctive frills and horns, had one of the largest skulls of any land animal. It was a formidable match for Tyrannosaurus.
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Astraspis was one of only a few fish species prior to Earth’s first mass extinction 450 million years ago. This tiny fish had something never before seen on Earth: a primitive backbone.
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The straigh-shelled nautiloid was the great white shark of its time. A perfectly designed killing machine, it was up to 20 feet long and had an insatiable hunger.
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Bothriopelis was an ancient armored fish. Covered in armored plates, this bottom-feeder was a difficult meal for the Late Devonian’s super-predators.
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Acanthodian, a fish, is one of the first vertebrates with jaws. This revolutionary adaptation allows fish, a once-rare lifeform, to take over the planet.
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Phobosuchus was a prehistoric monster, the largest species of crocodile ever known to have walked the earth. Instead of zebras and wildebeest, it fed on dinosaurs.
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