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Related articles:
Dinosaur
Protoceratops
Triceratops
Key terms: analysis anatomy asian basal bone centrosaurus ceratopsians ceratopsidae china clade cretaceous dinosaur dodson font font color forms fragmentary horn includes jaw jurassic liaoning makovicky marsh mongolia montana more closely related more derived neck neck frill north america northeastern china northwestern china originated ornithischia phylogeny protoceratops psittacosaurus remains rostral bone skeleton skull species taxa triceratops usa variation void xu Search external links cited by footnotes on Wikipedia page Ceratopsia: |
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