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Noun1.Edmontonia - heavily armored and highly spiked dinosaur with semi-upright posture
genus Ankylosaurus - armored herbivorous dinosaurs of the Cretaceous
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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Others on show there include Edmontonia, a herbivore with armoured plates and spikes that was the size of a small tank, and the Baryonyx, a crocodile-like sh-eater that stood on two legs and was more than 30ft long.