ankylosaurian
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an·ky·lo·saur·i·an
(ăng′kə-lō-sôr′ē-ən)n.
Any of various herbivorous ornithischian dinosaurs of the group Ankylosauria of the Jurassic and Cretaceous Periods, having a squat armored body, a short neck, and a beaked mouth. Also called ankylosaur.
[From New Latin Ankylosauria, group name, from Ankylosaurus, type genus; see ankylosaurus.]
an′ky·lo·saur′i·an adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.