[D] Psittacosaurus meileyingensis [Su]
Describer
Sereno, Chao, Cheng & Rao, 1988
Time
Cretaceous Early Aptian Albian
Classification
Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Psittacosauridae
Diet
Herbivore
Fossilsite
Jiufotang Formation of Meileyingze, Liaoning Province, in northeastern, China
Fall Under
Psittacosaurus
Info
Skull
Psittacosaurus (Osborn, 1923) = Protiguanodon (Osborn, 1923)
Psittacosaurus > Psittacosaurus guyangensis (Cheng, 1983)
Psittacosaurus > Psittacosaurus mongoliensis ( Osborn, 1923) = Psittacosaurus protiguanodonensis (Young, 1958) > Protiguanodon mongoliensis ( Osborn, 1923)
Psittacosaurus > Psittacosaurus osborni (Young, 1931) > Psittacosaurus tingi (Young, 1931)
Psittacosaurus > Psittacosaurus sinensis (Young, 1958) > > Psittacosaurus youngi (Chao, 1962)
Psittacosaurus > Psittacosaurus meileyingensis (Sereno, Chao, Cheng & Rao, 1988)
Psittacosaurus > Psittacosaurus xinjiangensis (Sereno & Chao, 1988)
Psittacosaurus > Psittacosaurus neimongoliensis (Russell & Zhao, 1996)
Psittacosaurus > Psittacosaurus mazongshanensis (Dong & Azuma, 1996)
Psittacosaurus > Psittacosaurus ordosensis (Russell & Zhao, 1996)
Psittacosaurus > Psittacosaurus lujiatunensis (Zhou, Gao, Fox, and Chen, 2006)
Psittacosaurus > Psittacosaurus sibiricus (Averianov, Voronkevich, Leshchinskiy, Fayngertz, 2006)
Psittacosaurus> Psittacosaurus major - (Sereno, Zhao, Brown and Tan 2007)
Psittacosaurus> Psittacosaurus gobiensis (Sereno, Zhao & Tan 2010)
4 individuals, 2 complete skulls.
Diagnosis
Skull proportionally tall; snout verry short; orbit sub-triangular; raised rugosity on quadratojugal; quadrate shaft having strong caudal emargination; quadrate shaft angled anterolaterally; prominent ventral dentary flange. (Xu and Zhao, 1999)