Taxonavigation
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: Dracohors
Superordo: Dinosauria
Ordo: †Ornithischia
Subordo: †Cerapoda
Cladus: †Marginocephalia
Infraordo: †Ceratopsia
Family: 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,1923a