Word: ankylosaurus
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Dates: during 1980-1989
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...dinosaurs were relatively small and vulnerable, about the size of ponies. Many of them undoubtedly fell victim to voracious, crocodile-like reptiles called phytosaurs. But by using almost every evolutionary stratagem, they proliferated in number and diversity. Some developed thick protective plating, comparable to that of modern-day armadillos. Ankylosaurus had armor on its skull, knobby stubs over its back and legs, and possessed a tail that ended in a huge bony club. Perhaps to shed excess body heat, Stegosaurus sprouted triangular-shaped fins on its back. Thanks to such biological cunning, within only a few million years, the dinosaurs...
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