- Types:
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Stegosaur stenops, stegosaur, stegosaurus
herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon
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ankylosaur, ankylosaurus
having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's
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Edmontonia
heavily armored and highly spiked dinosaur with semi-upright posture