Classification of Sereno 1986
Or. †Ornithischia Seeley 1888 [ornithischian]
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Unr. †Genasauria Sereno 1986
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Unr. †Cerapoda Sereno 1986
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Unr. †Euornithopoda Sereno 1986
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Infraor. †Heterodontosauria Cooper 1985
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G. †Abrictosaurus Hopson 1975
Invalid names: Xiphosauridae Sereno 1986 [empty]
Unr. †Ornithopoda Marsh 1881 [ornithopod]
Unr. †Marginocephalia Sereno 1986
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Subor. †Ceratopsia Marsh 1890 [ceratopsian]
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Infraor. †Neoceratopsia Sereno 1986
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Unr. †Coronosauria Sereno 1986
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G. †Bagaceratops Maryanska and Osmólska 1975
Superfm. †Ceratopsoidea Hay 1902
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Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
G. †Montanoceratops Sternberg 1951
G. †Microceratops Bohlin 1953
G. †Protoceratops Granger and Gregory 1923
G. †Leptoceratops Brown 1914
G. †Psittacosaurus Osborn 1923
Subor. †Pachycephalosauria Maryańska and Osmólska 1974
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Infraor. †Goyocephalia Sereno 1986
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G. †Goyocephale Perle et al. 1982
Invalid names: Homalocephaloidea Sereno 1986 [empty]
G. †Wannanosaurus Hou 1977
Unr. †Thyreophora Nopcsa 1915
Subor. †Ornithopoda Marsh 1881 [ornithopod]
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Subor. †Hypsilophodontia Cooper 1985
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Fm. †Hypsilophodontidae Dollo 1882 [hypsilophodontid]
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G. †Hypsilophodon Huxley 1870
G. †Othnielia Galton 1977
G. †Parksosaurus Sternberg 1937
G. †Yandusaurus He 1979
G. †Zephyrosaurus Sues 1980
G. †Thescelosaurus Gilmore 1913
Infraor. †Iguanodontia Baur 1891
Subor. †Ankylosauria Osborn 1923 [ankylosaur]
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Fm. †Ankylosauridae Brown 1908 [ankylosaurid]
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Subfm. †Ankylosaurinae Nopcsa 1918
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G. †Pinacosaurus Gilmore 1933
G. †Saichania Maryanska 1977
G. †Tarchia Maryanska 1977
G. †Ankylosaurus Brown 1908
G. †Euoplocephalus Lambe 1910
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†Euoplocephalus tutus Lambe 1902
Invalid names: Euoplocephalus tutus Lambe 1902 [valid]
G. †Euoplocephalus Lambe 1910
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†Euoplocephalus tutus Lambe 1902
Invalid names: Euoplocephalus tutus Lambe 1902 [valid]
G. †Shamosaurus Tumanova 1983
G. †Talarurus Maleev 1952
Fm. †Nodosauridae Marsh 1890
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G. †Hylaeosaurus Mantell 1833
G. †Polacanthus Fox 1866
Invalid names: Panoplosaurinae Nopcsa 1929 [empty]
Subor. †Thyreophora Nopcsa 1915
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Infraor. †Iguanodontia Baur 1891
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Unr. †Dryomorpha Sereno 1986
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Unr. †Ankylopollexia Sereno 1986
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G. †Camptosaurus Marsh 1885
Unr. †Styracosterna Sereno 1986
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Superfm. †Iguanodontoidea Hay 1902
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Superfm. †Hadrosauroidea Huene 1954
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Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
G. †Ouranosaurus Taquet 1972
G. †Iguanodon Mantell 1825
G. †Probactrosaurus Rozhdestvensky 1966
G. †Dryosaurus Marsh 1894
Invalid names: Dryosauroidea Norman 1984 [empty]
G. †Tenontosaurus Ostrom 1970