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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: †Ornithischia
Cladus: †Genasauria
Cladus: †Neornithischia
Cladus: †Cerapoda
Cladus: †Marginocephalia
Cladus: †Ceratopsia
Familia: †Psittacosauridae
Genus: †Psittacosaurus
Species: †P. gobiensis – †P. guyangensis – †P. mazongshanensis – †P. meileyingensis – †P. mongoliensis – †P. neimongoliensis – †P. ordosensis – †P. osborni – †P. sinensis – †P. xinjiangensis – †P. youngi
Name

Psittacosaurus Osborn, 1923: 2
References
Primary references

Osborn, H.F. 1923. Two Lower Cretaceous dinosaurs of Mongolia. American Museum Novitates 95: 1–10. hdl: 2246/3267 Reference page.

Links

Psittacosaurus – Taxon details on Fossilworks.

Vernacular names
日本語: プシッタコサウルス

Dinosaurs

Biology Encyclopedia

Reptiles Images

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