Classification of the suborder Ornithopoda
Unr. †Ornithopoda Marsh 1881 [ornithopod]
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Fm. †Anomoepodidae Lull 1904
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G. †Apatichnus Hitchcock 1858
G. †Shenmuichnus Li et al. 2012
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†Shenmuichnus wangi Xing et al. 2016
†Shenmuichnus youngteilhardorum Li et al. 2012
Unr. †Clypeodonta Norman 2014
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Unr. †Hypsilophodontidae Dollo 1882 [hypsilophodontid]
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Unr. †Parksosauridae Buchholz 2002
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Invalid names: Dryosaurinae Cooper 1985 [empty], Hypsilophodontinae Abel 1919 [empty], Kalodontidae Nopcsa 1901 [synonym], Laosauridae Marsh 1895 [synonym], Macelognathidae Marsh 1884 [synonym], Nanosaurinae Marsh 1878 [empty]
Unr. †Iguanodontia Baur 1891
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Unr. †Dryomorpha Sereno 1986
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Unr. †Ankylopollexia Sereno 1986
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G. †Bayannurosaurus Xu et al. 2018
G. †Camptosaurus Marsh 1885
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Invalid names: Brachyrophus Cope 1878 [synonym], Camptonotus Marsh 1879 [replaced], Symphyrophus Cope 1878 [synonym], Uteodon McDonald 2011 [synonym]
G. †Iguanodon Mantell 1825
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Invalid names: Heterosaurus Cornuel 1850 [synonym], Iguanosaurus Anonymous 1824 [synonym], Struthopus Ballerstedt 1922 [synonym], Therosaurus Fitzinger 1843 [synonym]
Unr. †Neoiguanodontia Norman 2014
G. †Oblitosaurus Sánchez-Fenollosa et al. 2023
Fm. †Dryosauridae Milner and Norman 1984
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G. †Callovosaurus Galton 1980
G. †Dinehichnus Lockley et al. 1998
G. †Dryosaurus Marsh 1894
G. †Dysalotosaurus Virchow 1919
G. †Elrhazosaurus Galton 2009
G. †Valdosaurus Galton 1977
Unr. †Styracosterna Sereno 1986
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G. †Calvarius Prieto-Márquez and Sellés 2023
G. †Cumnoria Seeley 1888
G. †Dakotadon Paul 2008
G. †Delapparentia Ruiz-Omeñaca 2011
G. †Draconyx Mateus and Antunes 2001
Unr. †Hadrosauriformes Sereno 1997
G. †Hippodraco McDonald et al. 2010
G. †Iguanacolossus McDonald et al. 2010
G. †Lanzhousaurus You et al. 2005
G. †Magnamanus Fuentes Vidarte et al. 2016
G. †Napaisaurus Ji and Zhang 2022
G. †Riabininohadros Ulansky 2015
G. †Theiophytalia Brill and Carpenter 2007
Invalid names: Dryosauroidea Norman 1984 [empty]
Unr. †Elasmaria Calvo et al. 2007
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G. †Atlascopcosaurus Rich and Vickers-Rich 1989
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†Atlascopcosaurus loadsi Rich and Vickers-Rich 1989
G. †Leaellynasaura Rich and Vickers-Rich 1989
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†Leaellynasaura amicagraphica Rich and Vickers-Rich 1989
G. †Mahuidacursor Cruzado-Caballero et al. 2019
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†Mahuidacursor lipanglef Cruzado-Caballero et al. 2019
Superfm. †Iguanodontoidea Hay 1902
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G. †Lurdusaurus Taquet and Russell 1999
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†Lurdusaurus arenatus Taquet and Russell 1999
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Invalid names: Gravisaurus tenerensis Chabli 1988 [objective synonym]
Invalid names: Gravisaurus Chabli 1988 [objective synonym]
Invalid names: Hadrosauria Horner 1990 [empty], Iguanodon orientalis Rozhdestvensky 1952 [nomen dubium], Lambeosauria Horner 1990 [empty]
G. †Mantellisaurus Paul 2007
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†Mantellisaurus atherfieldensis Hooley 1925
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Invalid names: Dollodon bampingi Paul 2008 [synonym], Heterosaurus neocomiensis Cornuel 1850 [synonym], Mantellodon carpenteri Paul 2012 [synonym]
Invalid names: Dollodon Paul 2008 [synonym], Mantellodon Paul 2012 [synonym], Proplanicoxa Carpenter and Ishida 2010 [nomen dubium]
Unr. †Rhabdodontomorpha Dieudonné et al. 2016
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G. †Muttaburrasaurus Bartholomai and Molnar 1981
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†Muttaburrasaurus langdoni Bartholomai and Molnar 1981
Fm. †Rhabdodontidae Weishampel et al. 2003 [rhabdodontid]
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G. †Matheronodon Godefroit et al. 2017
G. †Mochlodon Seeley 1881
G. †Pareisactus Párraga and Prieto-Márquez 2019
G. †Rhabdodon Matheron 1869
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Invalid names: Oligosaurus Seeley 1881 [synonym], Ornithomerus Seeley 1881 [synonym]
G. †Transylvanosaurus Augustin et al. 2022
G. †Tenontosaurus Ostrom 1970
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†Tenontosaurus dossi Winkler et al. 1997
†Tenontosaurus tilletti Ostrom 1970
Invalid names: Albisaurus Fritsch 1905 [nomen dubium], Albisaurus scutifer Fritsch 1905 [nomen dubium], Anoplosaurus major Seeley 1879 [nomen dubium], Bihariosaurus Marinescu 1989 [nomen nudum], Camptosauroidea Cooper 1985 [empty], Eucercosaurus Seeley 1879 [nomen dubium], Eucercosaurus tanyspondylus Seeley 1879 [nomen dubium], Euiguanodontia Coria and Salgado 1996 [empty], Fulgurotherium Huene 1932 [nomen dubium], Iguanodon ottingeri Galton and Jensen 1979 [nomen dubium], Loncosaurus Ameghino 1899 [nomen dubium], Procerosaurus exogirarum Fritsch 1878 [nomen dubium], Sphenospondylus Seeley 1883 [nomen dubium], Syngonosaurus Seeley 1879 [nomen dubium], Syngonosaurus macrocercus Seeley 1869 [nomen dubium], Tichosteus Cope 1877 [nomen dubium], Vectisaurus Hulke 1879 [nomen dubium]
G. †Thescelosaurus Gilmore 1913
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†Thescelosaurus assiniboiensis Brown et al. 2011
†Thescelosaurus edmontonensis Sternberg 1940
†Thescelosaurus garbanii Morris 1976
†Thescelosaurus neglectus Gilmore 1913
Invalid names: Bugenasaura Galton 1995 [synonym], Bugenasaura infernalis Galton 1995 [nomen dubium]
Invalid names: Hypsilophodontia Cooper 1985 [synonym]
G. †Dinosauropodes Douglass 1932
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†Dinosauropodes bransfordii Lull 1932
†Dinosauropodes crawfordii Lull 1932
†Dinosauropodes magrawii Lull 1932
†Dinosauropodes nettletoni Lull 1932
†Dinosauropodes osborni Lull 1932
†Dinosauropodes sternbergii Lull 1932
†Dinosauropodes sweetii Lull 1932
†Dinosauropodes wilsoni Lull 1932
Unr. †Euornithopoda Sereno 1986
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Infraor. †Heterodontosauria Cooper 1985
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Invalid names: Pisanosauridae Casamiquela 1967 [empty], Xiphosauridae Sereno 1986 [empty]
Invalid names: Camptosaurus valdensis Lydekker 1889 [nomen dubium], Gilmoreosaurus atavus Nessov 1995 [nomen dubium], Hypsilophodon wielandi Galton and Jensen 1979 [nomen dubium]
G. †Gideonmantellia Ruiz-Omeñaca et al. 2012
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†Gideonmantellia amosanjuanae Ruiz-Omeñaca et al. 2012
Fm. †Iguanodontipodidae Lockley et al. 2014
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G. †Amblydactylus Sternberg 1932
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†Amblydactylus kortmeyeri Currie and Sarjeant 1979
Invalid names: Amblydactylus gethingi Sternberg 1932 [nomen dubium]
G. †Hadrosauropodus Lockley et al. 2003
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†Hadrosauropodus kyoungsookimi Lim et al. 2012
†Hadrosauropodus langstoni Lockley et al. 2003
†Hadrosauropodus leonardii Lockley 1987
G. †Iguanodontipus Sarjeant et al. 1998
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†Iguanodontipus burreyi Sarjeant et al. 1998
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Invalid names: Therangospodus oncalensis Meyer 1998 [synonym]
Fm. †Iguanodontipodidae Vyalov 1987
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G. †Caririchnium Leonardi 1984
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†Caririchnium billsarjeanti Meyer and Thüring 2003
†Caririchnium liucixini Xing et al. 2016
†Caririchnium lotus Xing et al. 2007
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Invalid names: Iguanodonipus cuadrupedae Moratalla 1993 [synonym]
†Caririchnium magnificum Leonardi 1984
†Caririchnium yeongdongensis Kim et al. 2016
Invalid names: Caririchnium protohadrosaurichnos Lee 1997 [nomen dubium], Laoyingshanpus Xing et al. 2007 [nomen dubium]
G. †Kharkushosauropus Dzhailov and Novikov 1993
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†Kharkushosauropus kharkushensis Dzhailov and Novikov 1993
Invalid names: Brachyguanodonipus Moratalla 1993 [nomen dubium], Gigantoshiraminesauropus Azuma and Takeyama 1991 [nomen dubium], Hadrosaurichnoides Casanovas Cladellas et al. 1994 [nomen dubium], Hadrosauropodus nanxiongensis Xing et al. 2009 [nomen dubium], Iguanodonipus Moratalla 1993 [nomen dubium], Limayichnus Calvo 1991 [nomen dubium], Ornithopodichnus Kim et al. 2009 [nomen dubium], Shiraminesauropus Azuma and Takeyama 1991 [nomen dubium], Sousaichnium Leonardi 1979 [nomen dubium], Staurichnium Leonardi 1979 [nomen dubium], Wealdenichnites Kuhn 1958 [nomen dubium]
Fm. †Moyenisauropodidae Ellenberger 1974
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G. †Anomoepus Hitchcock 1848
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†Anomoepus crassus Hitchcock 1889
†Anomoepus culbertsonii King 1844
†Anomoepus fringilla Ellenberger 1974
†Anomoepus gallinuloides King 1844
†Anomoepus giganteus Hitchcock and Grier 1927
†Anomoepus lacertoideus Hitchcock 1858
†Anomoepus major Hitchcock 1858
†Anomoepus minutus Ellenberger 1974
†Anomoepus moabensis Lockley et al. 1992
†Anomoepus moghrebensis Biron and Dutuit 1981
†Anomoepus palmipes Ellenberger 1970
†Anomoepus pienkovskii Gierlinski 1991
†Anomoepus ranivorus Ellenberger 1970
†Anomoepus scambus Hitchcock 1848
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Invalid names: Anomoepus cuneatus Hitchcock 1889 [synonym], Anomoepus curvatus Hitchcock 1862 [synonym], Anomoepus intermedius Hitchcock 1862 [synonym], Anomoepus isodactylus Hitchcock 1889 [synonym], Anomoepus minimus Hitchcock 1862 [synonym], Anomoepus minor Hitchcock 1858 [synonym], Apatichnus circumagens Hitchcock 1858 [synonym], Eubrontes gracillimus Hitchcock 1844 [synonym], Moyenisauropus dodai Ellenberger 1974 [synonym], Moyenisauropus levicauda Ellenberger 1974 [synonym], Moyenisauropus longicauda Ellenberger 1972 [synonym], Moyenisauropus minor Ellenberger 1970 [synonym], Moyenisauropus natatilis Ellenberger 1974 [synonym], Moyenisauropus natator Ellenberger 1970 [synonym], Moyenisauropus vermivorus Ellenberger 1970 [synonym], Plesiornis quadrupes Hitchcock 1858 [synonym]
†Anomoepus shingi Welles 1971
†Anomoepus turda Ellenberger 1972
Invalid names: Hopiichnus Welles 1971 [synonym], Moyenisauropus Ellenberger 1970 [synonym], Shensipus Young 1966 [synonym]
G. †Nanosaurus Marsh 1877
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†Nanosaurus agilis Marsh 1877
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Invalid names: Drinker nisti Bakker et al. 1990 [synonym], Othnielia rex Marsh 1877 [synonym], Othnielosaurus consors Marsh 1894 [synonym]
Invalid names: Drinker Bakker et al. 1990 [synonym], Othnielosaurus Galton 2007 [synonym]
Subfm. †Orodrominae Brown et al. 2013
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G. †Psilotrisauropus Ellenberger 1972
Fm. †Tetrapodosauridae Sternberg 1932
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G. †Unespichnium Bertini and Carvalho 2003
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†Unespichnium ornithopodianus Bertini and Carvalho 2003
G. †Wintonopus Thulborn and Wade 1984
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†Wintonopus latomorum Thulborn and Wade 1984
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Invalid names: Skartopus australis Thulborn and Wade 1984 [synonym]
†Wintonopus middletonae Salisbury et al. 2016
Invalid names: Skartopus Thulborn and Wade 1984 [synonym]
Invalid names: Bonaparteichnium Calvo 1991 [nomen dubium], Brachypoda Thulborn 1974 [empty], Camptosaurichnus Casamiquela and Fasola 1968 [nomen dubium], Camptosauropus Gabuniya and Kurbatov 1988 [nomen dubium], Dolichopoda Thulborn 1974 [empty], Gilmoreosaurus arkhangelskyi Nessov 1995 [nomen dubium], Goseongosauripus Kim 1986 [nomen dubium], Jiayinosauropus Dong et al. 2003 [nomen dubium], Kalodontoidea Huene 1948 [empty], Laosaurus Marsh 1878 [nomen dubium], Laosaurus celer Marsh 1878 [nomen dubium], Laosaurus minimus Gilmore 1924 [nomen dubium], Ornithopodoidea Nopcsa 1929 [synonym], Ornithopoidea Nopcsa 1929 [empty], Othnielia Galton 1977 [nomen dubium], Phyllodon Thulborn 1975 [nomen dubium], Siluosaurus Dong 1997 [nomen dubium], Taponichnus Alonso and Marquillas 1986 [nomen dubium], Telosichnus Alonso and Marquillas 1986 [nomen dubium], Trachodontoidea Huene 1948 [empty]