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
secundum Maryańska & Osmólska, 1974
Subordines: †Ankylosauria – †Ceratopsia – †Ornithopoda – †Pachycephalosauria – †Stegosauria
secundum Sereno, 1986
Parvordo: †Genasauria
Genera incertae sedis: †Lesothosaurus
secundum Butler et al., 2008
Cladi: †Genasauria – †Heterodontosauridae – †Pisanosaurus
Name
Ornithischia Seeley, 1888: 698; 170
Etymology: [Gr. ὄρνις = bird +] '"Ischia" is used by Aristotle for the pelvis' [Seeley, 1888: 170]
References
Primary references
Seeley, H.G. 1888. The Classification of the Dinosauria. Report of the Fifty-seventh Meeting of the British Association for the Advancement of Science 698–699. BHL Reference page.
Seeley, H.G. 1888. On the Classification of the Fossil Animals commonly named Dinosauria. Proceedings of the Royal Society of London 43(260): 165–171. DOI: 10.1098/rspl.1887.0117 BHL Reference page.
Additional references
Maryańska, T. & Osmólska, H. 1974. Pachycephalosauria, a new suborder of ornithischian dinosaurs. In: Kielan-Jaworowska, Z. (ed.) Results of the Polish - Mongolian Palaeontological Expeditions. Part V. Palaeontologia Polonica 45–102. PDF Reference page.
Cooper, M.R. 1985. A revision of the ornithischian dinosaur Kangnasaurus coetzeei Haughton, with a classification of the Ornithischia. Annals of the South African Museum 95(8): 281–317. BHL Reference page.
Sereno, P.C. 1986. Phylogeny of the Bird-hipped Dinosaurs (Order Ornithischia). National Geographic Research 2: 234–256. PDF Reference page.
Butler, R.J., Upchurch, P. & Norman, D.B. 2008. The phylogeny of ornithischian dinosaurs. Journal of Systematic Palaeontology 6(1): 1–40. DOI: 10.1017/S1477201907002271 ResearchGate Reference page.
Vernacular names
беларуская: Птушкатазавыя
čeština: Ptakopánví
English: bird-hipped dinosaurs
Esperanto: Ornitiskioj
español: Ornithischia
فارسی: پرندهورکیان
suomi: Linnunlantioiset
français: Ornithischiens
עברית: בעלי אגן דמוי עוף
magyar: Madármedencéjűek
italiano: Ornithischia
日本語: 鳥盤目
한국어: 조반류
lietuvių: Paukščiadubeniai dinozaurai
Nederlands: Ornithischia
polski: Dinozaury ptasiomiedniczne
português: Ornithischia
русский: Птицетазовые динозавры
slovenčina: Vtákopanvé dinosaury
svenska: Ornithischier
Türkçe: Kuş kalçalı dinozorlar
українська: Птахотазові динозаври
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