Psittacosaurus: quick facts

Found in Mongolia, China, Thailand, and former U. S. S. R. Psittacosaurus is an ancestor of the ceratopsians. It had parrot-likejaws and a very slight bony frill. Unlike later ceratopsians, Psittacosa

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Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.