| NOUN | animal | psittacosaur, psittacosaurus | primitive dinosaur actually lacking horns and having only the beginning of a frill |
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| Meaning | Primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal. | |
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| Synonym | psittacosaurus | |
| Member of | genus Psittacosaurus | Most primitive genus of horned dinosaurs |
| Broader | ceratopsian, horned dinosaur | Any of several four-footed herbivorous dinosaurs with enormous beaked skulls |
| Spanish | psittacosaurus | |
| Catalan | psitacosaure | |
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