Labels:mammal | animal | text | fossil OCR: HORNS ONE GROUP OF plant-eating dinosaurs was armed with long, BROW HORNS sharp horns. This group was Up to 1.2 m the rhinoceroslike ceratopsians. (4 ft) in length They lived in herds and used their horns to threaten enemies and charge at large attacking predators. Male ceratopsians also locked horns when NOSE HORN competing with each other for territory and mates. NECK FRILL Protected the neck from a THREE-HORNED DINOSAUR predator's jaws Long horns made Triceratops a formidable opponent when it charged at an attacker. STYRACOSAURUS TRICERATOPS CHASMOSAURUS
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