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Fearsome creature with plates on its back
Else clues• Ex-herbivore with bony plates
• Extinct plant-eater
• Former plated herbivore
• Jurassic herbivore
• Large, extinct herbivore
• Literally, roof lizard
• Herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon