Plural of ankylosaur; a group of plant-eating dinosaurs with heavily armored bodies, fused spinal bones, and club-like tails.
From Greek 'ankylos' (stiff) + 'sauros' (lizard), pluralized. These dinosaurs lived from the Early Jurassic through the Late Cretaceous period and included famous species like Ankylosaurus and Triceratops relatives.
From Ankylosaurus to tiny Minmi, these dinosaurs all shared one genius feature: their spines were actually *fused* together, making them incredibly stable tank-like creatures! No other dinosaur group had this adaptation, making them uniquely designed for absorbing impacts.
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