|ankylosaurus (āng'kə-lō-sôr'əs) or ankylosaur (āng'kə-lō-sôr'əs) Pronunciation Key
A large, herbivorous dinosaur of the genus Ankylosaurus of the Cretaceous Period. Ankylosaurs had a squat, heavily armored body and a clubbed tail.
armoured ornithischian dinosaurs that lived 70 million to 65 million years ago in North America during the Late Cretaceous Period. Ankylosaurus is a genus belonging to a larger group (infraorder Ankylosauria) of related four-legged, herbivorous, heavily armoured dinosaurs that flourished throughout the Cretaceous Period (144 million to 65 million years ago).
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