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Definition of Psittacosaurus
1. Noun. Primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal.
Exact synonyms: Psittacosaur
Generic synonyms: Ceratopsian, Horned Dinosaur
Group relationships: Genus Psittacosaurus
Generic synonyms: Ceratopsian, Horned Dinosaur
Group relationships: Genus Psittacosaurus