Archaeoceratopsidae
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| Archaeoceratopsids Fossil range: Early Cretaceous |
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 Archaeoceratops
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The Archaeoceratopsidae constitute a family of primitive ceratopsian dinosaur from the Early Cretaceous of China.
The group had features similar to the psittacosaurs and leptoceratopsians. They had small frills and barely any horns, only on the sides, and a bump on their snouts. This family includes the genera Archaeoceratops and Liaoceratops. They could have walked on two or four legs and had sharp beaks.
