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Psittacosaurus is a small early Marginocephalian from the Early Cretaceous Period. It lived in what is now Asia. It is known from a number of well preserved skeletons, which represent about eight different species.

Psittacosaurus was one of the smallest and most primitive of the Marginocephalians. It lacked the well-developed frill and horns that were typical of more advanced forms, yet, along with the hard keratinous beak, it had the characteristic skull shape of a ceratopsian. In fact, Psittacosaurus is now believed to be an ancestor of the larger, more advanced horned dinosaurs.

Psittacosaurus' hindlimbs were longer-although only slightly-than its forelimbs, which suggests that it could have moved about in an upright position for short distances. In 2002, quills were found in Psittacosaurus‘ tail, possibly suggesting that these quills were present in all later ceratopsians.

An extraordinarily well preserved Psittacosaurus with skin covering much of it's skeleton was discovered. Large parts of the skin were preserved as a thin dark layer, where the skin has been transformed into a dark carbonized matter.[1]

Wikipedia has a more detailed and comprehensive article on Psittacosaurus


The Lost World: Jurassic Park (video game)[]

Psittacosaurus was heard as a wildlife ambiance in the Playstation video game of The Lost World: Jurassic Park.

Warpath: Jurassic Park[]

Psittacosaurus can be heard alongside other creatures in the Tribal gate arena.

Jurassic Park III: Park Builder[]

Psittacosaurus was featured in the Gameboy Advance game Jurassic Park III: Park Builder. It lacks the quills found on it's tail.



Jurassic Park: Dangerous Games[]

Psittacosaurus appear in the third issue of Dangerous Games, where they were seen in groups/or in nests, and were extremely protective to their infants, lashing out at Agent Daniel Espinoza when he stumbles upon their nest at the hydroelectric plant on Isla Nublar. This is the only form of Jurassic Park media in which the dinosaur is correctly depicted with tail quills.

Theme Parks[]

Jurassic Park: The Ride[]

Psittacosaurus can be seen at Jurassic Park: The Ride and is located in Ultrasaurus lagoon. Like the version seen in Jurassic Park III: Park Builder, it lacks the quills found on its tail. The hooting sound of the Psittacosaurus is made from the hooting sounds of the white-bellied green pigeon, a bird native to Asia much like the dinosaur itself.



  1. jpinstitute.com