Temporal range: Lower Cretaceous
Aquilops is a small early Ceratopsian dinosaur from Montana, U.S.A.. It is from the Lower Cretaceous, about 109 to 104 million years ago (mya). This is 20 million years before the previous earliest known North American dinosaur of its type.
The skull, which is the only part found, is smaller than a man's hand.
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