Fossilized skulls of Triceratops dinosaurs on display in a museum exhibit, showing their distinct horns and frilled crests.
Happy #FossilFriday! Hundreds of fossils of the horned #dinosaur #Triceratops have been discovered in the #Cretaceous #HellCreekFormation in #Montana. In juveniles like #MOR1199, the #horns above the eyes curve backwards. As Triceratops grew up, the horns curved forward.
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