AsiaCerapodaCeratopsiaDinosauriaEarly CretaceousGenasauriaMarginocephaliaNeornithischiaOrnithischiaPsittacosauridae

Psittacosaurus mongoliensis  

Dinosaur: Psittacosaurus mongoliensis  

Type: Ceratops

Length*: 1.85 m 6.1 ft
Weight*: 32 kg 71 lb
*The largest known specimen

ESR: 4 / 4 (estimated size reliability)


Material: Many individuals (at least several dozen)- include complete skeletons and skulls.
References: Sereno, Paul C. (2010). "Taxonomy, cranial morphology, and relationships of parrot-beaked dinosaurs (Ceratopsia:Psittacosaurus)". Osborn H. F., (1923). “Psittacosaurus and Protiguanodon: two Lower Cretaceous iguanodonts from Mongolia”. Erickson, G. M.; Tumanova, T. A. (2000). "Growth curve of Psittacosaurus mongoliensis Osborn (Ceratopsia: Psittacosauridae) inferred from long bone histology".


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