KENTROSAURUS “Sharp point lizard”
Late Jurassic, 155-150 million years ago
Kentrosaurus had a small head and a tiny brain - about the size of a walnut. It made up for lack of smarts with a double row of fierce, protective spikes down its back. The plates near the neck may have been filled with blood vessels and served as temperature regulators. You may recognize a few marked similarities with its famous relative, Stegosaurus! Kentrosaurus saw nothing but their differences.
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