DINOSAUR GENERA
since - October 28, 1995 / last updated - October 4, 2008
Thank you to George Olshevsky ("Mesozoic Meanderings #3")
for the original listing on October 23, 1995 and the help to keep this list current;
and also to all the other contributors from the Dinosaur Mailing List.
Genera count = 1183 (including 112 not presently considered to be dinosaurian)
[nomen ex dissertatione] = name appears in a dissertation
[nomen dubium] = name usually based on more than one type specimen
[nomen nudum] = name lacking a description and/or a type specimen
non = incorrect reference by the first to a name by the second author
vide = name attributed to the first author by the second author
/ = name preoccupied by the second author
JOS -> Junior Objective Synonym of the indicated genus
JSS -> Junior Subjective Synonym of the indicated genus
PSS -> Possible Subjective Synonym of the indicated genus
SSS -> Suppressed Senior Synonym of the indicated genus
- "Abdallahsaurus": Maier, 2003 [nomen nudum -> Giraffatitan or Brachiosaurus]
- Abelisaurus: Bonaparte & Novas, 1985
- Abrictosaurus: Hopson, 1975
- Abrosaurus: Ouyang, 1989
- Acanthopholis: Huxley, 1867 [nomen dubium]
- Achelousaurus: Sampson, 1995
- Achillesaurus: Martinelli & Vera, 2007
- Achillobator: Perle, Norell & Clark, 1999
- Acracanthus: Langston, 1947 vide Czaplewski, Cifelli & Langston, 1994 [nomen ex dissertatione -> Acrocanthosaurus]
- Acrocanthosaurus: Stovall & Langston, 1950
- Adamantisaurus: Santucci & Bertini, 2006
- Adasaurus: Barsbold, 1983
- Aegyptosaurus: Stromer, 1932
- Aeolosaurus: J.E. Powell, 1987
- Aepisaurus: Gervais, 1852 [nomen dubium]
- Aerosteon: Sereno, R.N. Martinez, J.A. Wilson, Varricchio, Alcober & Larsson, 2008
- Aetonyx: Broom, 1911 [JSS -> Massospondylus]
- Afrovenator: Sereno, J.A. Wilson, Larsson, Dutheil & Sues, 1994
- Agathaumas: Cope, 1872 [nomen dubium; PSS -> Diceratus, Torosaurus or Triceratops]
- Agilisaurus: Peng G., 1990
- Agnosphitys: Fraser, Padian, Walkden & Davis, 2002
- Agrosaurus: Seeley, 1891 [JSS -> Thecodontosaurus]
- Agujaceratops: S.G. Lucas, R. Sullivan & Hunt, 2006
- Agustinia: Bonaparte, 1999
- Airakoraptor: Perle, Norell & Clark, 1999 [nomen nudum]
- Alamosaurus: Gilmore, 1922
- Alashansaurus: Chure, 2001 [nomen ex dissertatione]
- Alaskacephale: R. Sullivan, 2006
- Albertaceratops: Ryan, 2007
- Albertonykus: Longrich & Currie, 2008
- Albertosaurus: Osborn, 1905
- Alectrosaurus: Gilmore, 1933
- Aletopelta: Ford & Kirkland, 2001
- Algoasaurus: Broom, 1904 [nomen dubium]
- Alioramus: Kurzanov, 1976
- Aliwalia: Galton, 1985 [JSS -> Eucnemesaurus]
- Allosaurus: Marsh, 1877
- Alocodon: Thulborn, 1973
- Altirhinus: Norman, 1998
- Altispinax: von Huene, 1923 [nomen dubium]
- Alvarezsaurus: Bonaparte, 1991
- Alwalkeria: Chatterjee & Creisler, 1994
- Alxasaurus: D.A. Russell & Dong, 1994 (not 1993)
- Amargasaurus: Salgado & Bonaparte, 1991
- Amargatitanis: Apesteguía, 2007
- Amazonsaurus: Carvalho, Avilla & Salgado, 2003
- Ammosaurus: Marsh, 1891
- Ampelosaurus: LeLoeuff, 1995
- Amphicoelias: Cope, 1877 [nomen dubium]
- Amphicoelicaudia: Cheng Z., etal, 1994 vide Li K., 1998 [nomen nudum -> Huabeisaurus]
- Amphisaurus: Marsh, 1882 / Barkas, 1870 -> Anchisaurus
- Amtosaurus: Kurzanov & Tumanova, 1978 [nomen dubium]
- Amurosaurus: Bolotsky & Kurzanov, 1991
- Amygdalodon: Cabrera, 1947 [nomen dubium]
- Anabisetia: Coria & Calvo, 2002
- Anasazisaurus: Hunt & S.G. Lucas, 1993 [PSS –> Gryposaurus or Kritosaurus]
- Anatosaurus: Lull & Wright, 1942 [JSS -> Edmontosaurus]
All species of "Anatosaurus", except "Anatosaurus copei", were assimilated into
"Edmontosaurus" in 1979. "Anatosaurus copei" was changed to "Anatotitan" in 1990.
- Anatotitan: Brett-Surman vide Chapman & Brett-Surman, 1990
- Anchiceratops: Brown, 1914
- Anchisaurus: Marsh, 1885
- Andesaurus: Calvo & Bonaparte, 1991
- Angaturama: Kellner & Campos, 1996 [JSS -> Irritator]
- Aniksosaurus: R.D. Martínez & Novas, 2006
- Animantarx: Carpenter, Kirkland, Burge & Bird, 1999
- Ankylosaurus: Brown, 1908
- Anodontosaurus: C.M. Sternberg, 1929 [JSS -> Dyoplosaurus]
- Anoplosaurus: Seeley, 1879
- Anserimimus: Barsbold, 1988
- Antarctopelta: Salgado & Gasparini, 2006
- Antarctosaurus: von Huene, 1929
- Antetonitrus: Yates & Kitching, 2003
- Antrodemus: Leidy, 1870 [nomen dubium; PSS -> Allosaurus]
- Apatodon: Marsh, 1877 [nomen dubium; PSS -> Allosaurus]
- Apatosaurus: Marsh, 1877
- Appalachiosaurus: Carr, Williamson & Schwimmer, 2005
- Aragosaurus: Sanz, Buscalioni, Casanovas-Cladellas (as Casanovas) & Santafe, 1987
- Aralosaurus: Rozhdestvensky, 1968
- Araucanoraptor: Novas, 1997 [nomen dubium -> Neuquenraptor]
- Archaeoceratops: Dong & Azuma, 1997
- Archaeodontosaurus: Buffetaut, 2005
- Archaeoraptor: Czerkas vide C.P. Sloan, 1999 vide Olson, 2000 [nomen rejectum (pending) -> Microraptor]
- Archaeornithoides: Elzanowski & Wellnhofer, 1992
- Archaeornithomimus: D.A. Russell, 1972
- Argentinosaurus: Bonaparte & Coria, 1993
- Argyrosaurus: Lydekker, 1893
- Aristosaurus: van Hoepen, 1920 [JSS -> Massospondylus]
- Aristosuchus: Seeley, 1887 [nomen dubium]
- "Arkanosaurus": Sattler, 1983 [nomen nudum]
- Arrhinoceratops: Parks, 1925
- Arstanosaurus: Suslov vide Suslov & Shilin, 1982 [nomen dubium]
- Asiaceratops: Nessov & Kaznyshkina vide Nessov, Kaznyshkina & Cherepanov, 1989
- Asiamericana: Nessov, 1995 [nomen dubium]
- Asiatosaurus: Osborn, 1924 [nomen dubium]
- Astrodon: Johnston, 1859 [nomen dubium; PSS -> Pleurocoelus]
- Astrodonius: Kuhn, 1961 [JOS -> Astrodon]
- Astrodontaurus: Johnston, 1858 vide Kranz, 2004 [JOS -> Astrodon]
- Asylosaurus: Galton, 2007
- Atlantosaurus: Marsh, 1877 [nomen dubium; PSS –> Apatosaurus or Camarasaurus]
- Atlasaurus: Monbaron, D.A. Russell & Taquet, 1999
- Atlascopcosaurus: T. Rich & Vickers-Rich (as P. Rich), 1989
- Atrociraptor: Currie & Varricchio, 2004
- Aublysodon: Leidy, 1868 [nomen dubium; PSS –> Albertosaurus or Deinodon]
- Aucasaurus: Coria, Chiappe & Dingus, 2002
- Augustia: Bonaparte, 1998 / Zariquiey, 1927 -> Agustinia
- Auroraceratops: You, Li D., Ji Q., Lamanna & Dodson, 2005
- Australodocus: Remes, 2007
- Austrosaurus: Longman, 1933
- Avaceratops: Dodson, 1986
- Aviatyrannis: Rauhut, 2003
- Avimimus: Kurzanov, 1981
- Avipes: von Huene, 1932 [nomen dubium]
- Azendohsaurus: Dutuit, 1972
- Bactrosaurus: Gilmore, 1933
- Bagaceratops: Maryanska & Osmólska, 1975
- Bagaraatan: Osmólska, 1996
- Bahariasaurus: Stromer, 1934
- Bainoceratops: Tereschenko & Alifanov, 2003
- Bakesaurus: Zhou S., 2005 [nomen nudum]
- Balochisaurus: Malkani, 2006
- Bambiraptor: Burnham, Derstler, Currie, Bakker, Zhou Z. & Ostrom, 2000
- Barapasaurus: Jain, Kutty, Roy-Chowdhury & Chatterjee, 1975
- Barosaurus: Marsh, 1890
- Barsboldia: Maryanska & Osmólska, 1981
- Baryonyx: Charig & Milner, 1986
- Bashunosaurus: Li K., 1998 [nomen nudum; possibly -> Datousaurus]
- Baurutitan: Kellner, Campos & Trotta, 2005
- Bayosaurus: Coria, Currie & Carabajal, 2006 [nomen nudum]
- Becklespinax: Olshevsky, 1991
- "Beelemodon": Bakker, 1997 [nomen nudum]
- Beipiaosaurus: Xu X., Tang Z. & Wang X., 1999
- Bellusaurus: Dong, 1990
- Berberosaurus: Allain, Tykoski, Aquesbi, Jalil, Monbaron, D.A. Russell & Taquet, 2007
- Betasuchus: von Huene, 1932 [nomen dubium]
- Bienosaurus: Dong, 2001
- Bihariosaurus: Marinescu, 1989
- Bilbeyhallorum: Burge, Bird, McClelland & Cicconetti, 1999 [nomen nudum -> Cedarpelta]
- Bissektipelta: Parish & Barrett, 2004
- "Blancocerosaurus": Maier, 2003 [nomen nudum -> Giraffatitan or Brachiosaurus]
- Blikanasaurus: Galton & van Heerden, 1985
- Bonatitan: Martinelli & Forasiepi, 2004
- Bonitasaura: Apesteguía, 2004
- Borealosaurus: You, Ji Q., Lamanna, Li J. & Li Y.X., 2004
- Borogovia: Osmólska, 1987
- Bothriospondylus: Owen, 1875
- Brachiosaurus: Riggs, 1903
- Brachyceratops: Gilmore, 1914
- Brachylophosaurus: C.M. Sternberg, 1953
- Brachypodosaurus: Chakravarti, 1934 [nomen dubium]
- Brachyrophus: Cope, 1878 [JSS -> Camptosaurus]
- Brachytrachelopan: Rauhut, K. Remes, R. Fechner, G. Cladera, & P. Puerta, 2005
- Bradycneme: Harrison & C.A. Walker, 1975 [nomen dubium; PSS -> Elopteryx]
- Breviceratops: Kurzanov, 1990
- Brohisaurus: Malkani, 2003
- Brontoraptor: Redman, 1995 [nomen nudum]
- Brontosaurus: Marsh, 1879 [JSS -> Apatosaurus]
- Bruhathkayosaurus: Yadagiri & Ayyasami, 1987 [nomen dubium]
- Bugenasaura: Galton, 1995
- Buitreraptor: Makovicky, Apesteguía & Agnolín, 2005
- Byranjaffia: Novacek, 2002 [nomen nudum -> Byronosaurus]
- Byronosaurus: Norell, Makovicky & Clark, 2000
- Caenagnathasia: Currie, Godfrey & Nessov, 1994 (not 1993)
- Caenagnathus: R.M. Sternberg, 1940
- Calamosaurus: Lydekker, 1891 [nomen dubium]
- Calamospondylus: Fox vide [Anonymous], 1866 [nomen dubium]
- Calamospondylus: Lydekker, 1889 / Fox vide [Anonymous], 1866 -> Calamosaurus
- Callovosaurus: Galton, 1980
- Camarasaurus: Cope, 1877
- Camelotia: Galton, 1985
- Camposaurus: Hunt, S.G. Lucas, Heckert, R. Sullivan & Lockley, 1998
- Camptonotus: Marsh, 1879 / Uhler, 1864 -> Camptosaurus
- Camptosaurus: Marsh, 1885
- Campylodon: von Huene, 1929 / Cuvier & Valenciennes, 1832 -> Campylodoniscus
- Campylodoniscus: Kuhn, 1961 [nomen dubium]
- "Capitalsaurus": Kranz, 1998 [nomen nudum]
- Carcharodontosaurus: Stromer, 1931
- Cardiodon: Owen, 1841 [nomen dubium; PSS -> Cetiosaurus]
- Carnosaurus: von Huene, 1929 [nomen nudum]
- Carnotaurus: Bonaparte, 1985
- Caseosaurus: Hunt, S.G. Lucas, Heckert, R. Sullivan & Lockley, 1998
- Cathartesaura: Gallina & Apesteguía, 2005
- Cathetosaurus: Jensen, 1988 [JSS -> Camarasaurus]
- Caudipteryx: Ji Q., Currie, Norell & Ji S., 1998
- Caudocoelus: von Huene, 1932 [JOS -> Teinurosaurus]
- Caulodon: Cope, 1877 [JSS -> Camarasaurus]
- Cedarosaurus: Tidwell, Carpenter & Brooks, 1999
- Cedarpelta: Carpenter, Kirkland, Burge & Bird, 2001
- Cedrorestes: Gilpin, DiCroce & Carpenter, 2006
- Centrosaurus: Lambe, 1904 / Fitzinger, 1843 -> Eucentrosaurus
- Cerasinops: Chinnery & Horner, 2007
- Ceratops: Marsh, 1888 / Rafinesque, 1815 -> Proceratops [nomen dubium]
- Ceratosaurus: Marsh, 1884
- Cetiosauriscus: von Huene, 1927
- Cetiosaurus: Owen, 1841
- Changchunsaurus: Zan S.Q., Chen J., Jin L.Y. & Li T., 2005
- Changtusaurus: Zhao X., 1983 [nomen nudum]
- Chaoyangsaurus: Zhao X., Cheng Z. & Xu X., 1999
- Charonosaurus: Godefroit, Zan & Jin L., 2000
- Chasmosaurus: Lambe, 1914
- Chassternbergia: Bakker, 1988
- Chebsaurus: Mahammed, Läng, Mami, Mekahli, Benhamou, Bouterfa, Kacemi, Chérief, Chaouati & Taquet, 2005
- Cheneosaurus: Lambe, 1917 [JSS -> Hypacrosaurus]
- Chialingosaurus: Yang Z.J. (as Young C.C.), 1959
- Chiayusaurus: Bohlin, 1953 [nomen dubium]
- Chihuahuasaurus: Ratkevich vide [Anonymous], 1997 [nomen nudum -> Sonorasaurus]
- Chilantaisaurus: Hu S., 1964
- Chindesaurus: R.A. Long & Murry, 1995
- Chingkankousaurus: Yang Z.J. (as Young C.C.), 1958 [JSS -> Tarbosaurus]
- Chinshakiangosaurus: Yeh, 1975 vide Dong, 1992 vide Upchurch, Barrett, Zhao X. & Xu X., 2007
- Chirostenotes: Gilmore, 1924
- Chondrosteosaurus: Owen, 1876 [nomen dubium]
- Chuandongocoelurus: He X., 1984
- Chuanjiesaurus: Fang, Pang, Lü, Zhang Z., Pan, Wang Y., Li X.K. & Cheng Z., 2000
- Chubutisaurus: del Corro, 1974
- Chungkingosaurus: Dong, Zhou S. & Zhang Y.H., 1983
- Cinizasaurus: Heckert, 1997 vide Nesbitt, Irmis & Parker, 2007 [nomen ex dissertatione]
- Cionodon: Cope, 1874 [nomen dubium]
- Citipati: Clark, Norell & Barsbold, 2001
- Claorhynchus: Cope, 1892 [nomen dubium; PSS -> Triceratops]
- Claosaurus: Marsh, 1890
- Clasmodosaurus: Ameghino, 1898 [nomen dubium]
- Clevelanotyrannus: Bakker, Williams & Currie vide Currie, 1987 [nomen nudum -> Nanotyrannus]
- Coelophysis: Cope, 1889
- Coelosaurus: Leidy, 1865 / [Anonymous, known to be Owen] 1854 -> Ornithomimus
- Coeluroides: von Huene & Matley, 1933 [nomen dubium]
- Coelurosaurus: von Huene, 1929 [nomen nudum]
- Coelurus: Marsh, 1879
- Colepiocephale: R. Sullivan, 2003
- Coloradia: Bonaparte, 1978 / Blake, 1863 -> Coloradisaurus
- Coloradisaurus: Lambert, 1983
- Colossosaurus: Mantell, 1849 vide Torrens, 1997 [nomen nudum -> Pelorosaurus]
- Comanchesaurus: Hunt, 1994 vide Nesbitt, Irmis & Parker, 2007 [nomen ex dissertatione]
- Compsognathus: Wagner, 1859
- Compsosuchus: von Huene & Matley, 1933
- Conchoraptor: Barsbold, 1986
- Condorraptor: Rauhut, 2005
- Corythosaurus: Brown, 1914
- Craspedodon: Dollo, 1883
- Crataeomus: Seeley, 1881 [nomen dubium; PSS -> Struthiosaurus]
- Craterosaurus: Seeley, 1874 [nomen dubium; PSS -> Regnosaurus]
- Creosaurus: Marsh, 1878 [nomen dubium; PSS -> Allosaurus]]
- Crichtonsaurus: Dong, 2002
- Cristatusaurus: Taquet & D.A. Russell, 1998
- Cryolophosaurus: Hammer & Hickerson, 1994
- Cryptodraco: Lydekker, 1889 [JOS -> Cryptosaurus]
- Cryptoraptor: Hunt, 1994 vide Nesbitt, Irmis & Parker, 2007 [nomen ex dissertatione]
- Cryptosaurus: Seeley, 1869
- Cryptovolans: Czerkas, Zhang D., Li J. & Li Y.X., 2002 [PSS -> Microraptor]
- Cumnoria: Seeley, 1888 [JSS -> Camptosaurus]
- Cylindricodon: Owen vide Ingles & Sawyer, 1979 / Jaeger, 1828 -> Hylaeosaurus
- Daanosaurus: Ye, Gao Y. & Jiang, 2005
- Dacentrurus: F.A. Lucas, 1902
- Dachungosaurus: Zhao X. (as Chao S.), 1985 [nomen nudum]
- Dakotadon: Paul, 2008
- Dalianraptor: Gao C. & Liu J., 2005 [possible bird]
- Damalasaurus: Zhao X., 1983 [nomen nudum]
- Dandakosaurus: Yadagiri, 1982 [nomen dubium]
- Danubiosaurus: Bunzel, 1871 [nomen dubium; PSS -> Struthiosaurus]
- Daptosaurus: Brown vide Chure & McIntosh, 1989 [nomen nudum –> Deinonychus]
- Dashanpusaurus: Peng G., Ye, Gao Y., Shu & Jiang, 2005
- Daspletosaurus: D.A. Russell, 1970 [PSS -> Albertosaurus]
- Datousaurus: Dong & Tang Z., 1984
- Deinocheirus: Osmólska & Roniewicz, 1970
- Deinodon: Leidy, 1856 [nomen dubium; PSS -> Albertosaurus]
- Deinonychus: Ostrom, 1969
- Deltadromeus: Sereno, Duthiel, Iarochene, Larsson, Lyon, Magwene, Sidor, Varricchio & J.A. Wilson, 1996
- Denversaurus: Bakker, 1988
- Diceratops: Lull vide Hatcher, 1905 / Foerster, 1868 -> Diceratus
- Diceratus: Mateus, 2008 [PSS -> Triceratops]
- Diclonius: Cope, 1876 [nomen dubium]
- Dicraeosaurus: Janensch, 1914
- Didanodon: Osborn, 1902 [nomen dubium; PSS -> Lambeosaurus]
- Dilong: Xu X., Norell, Kuang, Wang X., Zhao Q. & Jia C., 2004
- Dilophosaurus: Welles, 1970
- Dimodosaurus: Pidancet & Chopard, 1862 [nomen dubium; PSS -> Plateosaurus]
- Dinheirosaurus: Bonaparte & Mateus, 1999
- Dinodocus: Owen, 1884 [nomen dubium]
- Dinosaurus: Rütimeyer, 1856 / Fischer von Waldheim, 1847 -> Gresslyosaurus
- Dinotyrannus: Olshevsky vide Olshevsky, Ford & Yamamoto, 1995 [JSS -> Tyrannosaurus]
- Diplodocus: Marsh, 1878
- Diplotomodon: Leidy, 1868 [nomen dubium; PSS -> Dryptosaurus]
- Diracodon: Marsh, 1881 [nomen dubium; PSS -> Stegosaurus]
- Dolichosuchus: von Huene, 1932 [nomen dubium]
- Dollodon: Paul, 2008
- Domeykosaurus: Rubilar-Rogers (as Rubilar) & Vargas vide [Anonymous], 2003 [nomen nudum; in May 29, 2003 Reuters news reports]
- Dongbeititan: Wang X., You H., Meng Q., Gao C., Chang X., & Liu J., 2007
- Dongyangosaurus: Lü, Azuma, Chen R., Zheng & Jin X., 2008
- Doryphorosaurus: Nopcsa, 1916 [JOS -> Kentrosaurus]
- Draconyx: Mateus & Telles Antunes, 2001
- Dracopelta: Galton, 1980
- Dracorex: Bakker, R. Sullivan, Porter, Larson & Saulsbury, 2006
- Dracovenator: Yates, 2006 [for 2005]
- Dravidosaurus: Yadagiri & Ayyasami, 1979
- Drinker: Bakker, Galton, Siegwarth & Filla, 1990
- Dromaeosauroides: Christiansen & Bonde, 2003
- Dromaeosaurus: Matthew & Brown, 1922
- Dromiceiomimus: D.A. Russell, 1972
- Dromicosaurus: van Hoepen, 1920 [JSS -> Massospondylus]
- Dromomeron: Irmis, Nesbitt, Padian, N.D. Smith, Turner, Woody & A. Downs, 2007
- Dryosaurus: Marsh, 1894
- Dryptosauroides: von Huene & Matley, 1933 [nomen dubium]
- Dryptosaurus: Marsh, 1877
- Dubreuillosaurus: Allain, 2005
- Dynamosaurus: Osborn, 1905 [JSS -> Tyrannosaurus]
- Dyoplosaurus: Parks, 1924
- Dysalotosaurus: Virchow, 1919 [JSS -> Dryosaurus]
- Dysganus: Cope, 1876 [nomen dubium]
- Dyslocosaurus: McIntosh, Coombs & D.A. Russell, 1992
- Dystrophaeus: Cope, 1877
- Dystylosaurus: Jensen, 1985 [JSS -> Supersaurus]
- Echinodon: Owen, 1861
- Edmarka: Bakker, Kralis, Siegwarth & Filla, 1992
- Edmontonia: C.M. Sternberg, 1928
- Edmontosaurus: Lambe, 1917
- Efraasia: Galton, 1973
- Einiosaurus: Sampson, 1995
- Ekrixinatosaurus: Calvo, Rubilar-Rogers & Moreno, 2004
- Elaphrosaurus: Janensch, 1920
- Elmisaurus: Osmólska, 1981
- Elosaurus: Peterson & Gilmore, 1902 [JSS -> Apatosaurus]
- Elvisaurus: Holmes, 1993 [nomen nudum -> Cryolophosaurus]
- Emausaurus: Haubold, 1990
- Embasaurus: Riabinin, 1931 [nomen dubium]
- Enigmosaurus: Barsbold & Perle vide Barsbold, 1983 [JSS -> Erlikosaurus]
- Eobrontosaurus: Bakker, 1998
- Eocarcharia: Sereno & Brusatte, 2008
- Eoceratops: Lambe, 1915 [PSS -> Chasmosaurus]
- Eocursor: Butler, R.M.H. Smith & Norman, 2007
- "Eohadrosaurus": Kirkland, 1997 [nomen nudum -> Eolambia]
- Eolambia: Kirkland, 1998
- Eomamenchisaurus: Lü, Li T.G., Zhong, Ji Q. & Li S.X., 2008
- Eoraptor: Sereno, Forster, Rogers & Monetta, 1993
- Eotriceratops: Wu X., Brinkman, Eberth & Braman, 2007
- Eotyrannus: Hutt, Naish, Martill, Barker & Newberry, 2001
- Epachthosaurus: J. Powell, 1990
- Epanterias: Cope, 1878 [nomen dubium; PSS -> Allosaurus or Saurophaganax]
- Epidendrosaurus: Zhang F., Zhou Z., Xu X. & Wang X., 2002
- Equijubus: You, Luo, Shubin, Witmer, Tang Z. & Tang F., 2003
- Epidexipteryx: Zhang F., Zhou Z., Xu X., Wang X. L. & C. Sullivan, 2008 [nomen manuscriptum]
- Erectopus: von Huene, 1922
- Erketu: Ksepka & Norell, 2006
- Erliansaurus: Xu X., Zhang X.H., Sereno, Zhao X., Kuang, Han J. & Tan L., 2002
- Erlikosaurus: Perle vide Barsbold & Perle, 1980
- Eshanosaurus: Xu X., Zhau X. & Clark, 2001
- Euacanthus: Owen vide Tennyson, 1897 [nomen nudum; JOS -> Polacanthus]
- Eucamerotus: Hulke, 1872 [nomen dubium]
- Eucentrosaurus: Chure & McIntosh, 1989 [JOS -> Centrosaurus]
- Eucercosaurus: Seeley, 1879 [nomen dubium; PSS -> Acanthopholis]
- Eucnemesaurus: van Hoepen, 1920
- Eucoelophysis: R. Sullivan & S.G. Lucas, 1999
- Eugongbusaurus: Knoll, 1999
- Euhelopus: Romer, 1956
- Euoplocephalus: Lambe, 1910
- Eureodon: Brown vide Olshevsky, 1991 [nomen nudum -> Tenontosaurus]
- Euronychodon: Telles Antunes & Sigogneau-Russell, 1991
- Europasaurus: Mateus, Laven & Knötschke vide Sander, Mateus, Laven & Knötschke, 2006
- Euskelosaurus: Huxley, 1866
- Eustreptospondylus: A.D. Walker, 1964
- Fabrosaurus: Ginsburg, 1964 [nomen dubium]
- Falcarius: Kirkland, Zanno, Sampson, Clark & DeBlieux, 2005
- Fenestrosaurus: Osborn, 1924 [nomen nudum -> Oviraptor]
- Ferganasaurus: Alifanov & Averianov, 2003
- Ferganocephale: Averianov, T. Martin & Bakirov, 2005
- Frenguellisaurus: Novas, 1986 [JSS -> Herrerasaurus]
- Fukuiraptor: Azume & Currie, 2000
- Fukuisaurus: Kobayashi & Azuma, 2003
- Fulengia: Carroll & Galton, 1977 [JSS -> Lufengosaurus]
- Fulgurotherium: von Huene, 1932
- Fusinasus: Hutt, 2002 [nomen nudum -> Eotyrannus]
- Fusuisaurus: Mo, Wang W., Huang Z., Huang X. & Xu X., 2006
- "Futabasaurus": Lambert, 1990 [nomen nudum; this name now belongs to a plesiosaur (Sato, Hasegawa & Manabe, 2006)]
- Futalognkosaurus: Calvo, Porfiri, González-Riga & Kellner, 2007
- Gadolosaurus: Saito, 1979 [nomen nudum]
- Gallimimus: Osmólska, Roniewicz & Barsbold, 1972
- Galveosaurus: Sánchez-Hernández, 2005
- Galvesaurus: Barco, Canudo, Cuenca-Bescós & Ruíz-Omeñaca, 2005 [JOS -> Galveosaurus]
- Gargoyleosaurus: Carpenter, Miles & Cloward, 1998
- Garudimimus: Barsbold, 1981
- Gasosaurus: Dong, 1985
- Gasparinisaura: Coria & Salgado, 1996
- Gastonia: Kirkland, 1998
- Gavinosaurus: Kelly, 1998 [nomen nudum -> Eotyrannus]
- Genusaurus: Accarie, Beaudoin, Dejax, Fries, Michard & Taquet, 1995
- Genyodectes: Woodward, 1901
- Geranosaurus: Broom, 1911
- Gigantoraptor: Xu X., Tan Q., Wang J., Zhao X. & Tan L., 2007
- Giganotosaurus: Coria & Salgado, 1995
- Gigantosaurus: Seeley, 1869 [nomen dubium; PSS -> Pelorosaurus]
- Gigantosaurus: E. Fraas, 1908 / Seeley, 1869 -> Tornieria
- Gigantoscelus: van Hoepen, 1916 [JSS -> Euskelosaurus]
- Gigantspinosaurus: Ouyang, 1992
- Gilmoreosaurus: Brett-Surman, 1979
- Ginnareemimus: Kaneko, 2000 [nomen nudum]
- Giraffatitan: Paul, 1988 [PSS -> Brachiosaurus]
- Glacialisaurus: N.D. Smith & Pol, 2007
- Glyptodontopelta: Ford, 2000
- Gobisaurus: Vickaryous, A.P. Russell, Currie & Zhao X., 2001
- Gobititan: You, Tang F. & Luo, 2003
- Godzillasaurus: Ikejiri, 2003 [nomen nudum; JOS –> Gojirasaurus (misspelled)]
- Gojirasaurus: Carpenter, 1997
- Gondwanatitan: Kellner & Azevedo, 1999
- Gongbusaurus: Dong, Zhou S. & Zhang Y.H., 1983
- Gongxianosaurus: He X., Wang C., Liu S., Zhou F., Liu T., Cai & Dai, 1998
- Gorgosaurus: Lambe, 1914 [PSS -> Albertosaurus]
- Goyocephale: Perle, Maryanska & Osmólska, 1982
- Graciliceratops: Sereno, 2000
- Graciliraptor: Xu X. & Wang X., 2004
- Gravisaurus: Chabli vide Norman, 1989 [nomen nudum -> Lurdusaurus]
- Gravitholus: Wall & Galton, 1979 [nomen dubium]
- Gresslyosaurus: Rütimeyer, 1856 [PSS -> Plateosaurus]
- "Gripposaurus": Barrett, Upchurch, Zhou X. & Wang X., 2007 [nomen nudum]
- Gryponyx: Broom, 1911 [JSS -> Massospondylus]
- Gryposaurus: Lambe, 1914
- Guaibasaurus: Bonaparte, Ferigolo & Ribeiro, 1999
- Guanlong: Xu X., Clark, Forster, Norell, Erickson, Eberth, Jia C. & Zhao Q., 2006
- Gyposaurus: Broom, 1911 [JSS -> Massospondylus]
- "Hadrosauravus": Lambert, 1990 [nomen nudum -> Gryposaurus]
- Hadrosaurus: Leidy, 1859 [nomen dubium]
- Hagryphus: Zanno & Sampson, 2005
- Halticosaurus: von Huene, 1908 [nomen dubium]
- Hanssuesia: R. Sullivan, 2003
- "Hanwulosaurus": [Anonymous] 2001 [nomen nudum; in Xinhua News Service news articles]
- Haplocanthosaurus: Hatcher, 1903
- Haplocanthus: Hatcher, 1903 / Agassiz, 1845 -> Haplocanthosurus
- Harpymimus: Barsbold & Perle, 1984
- Hecatasaurus: Brown, 1910 [JOS -> Telmatosaurus]
- Heilongjiangosaurus: Li W. & Jin J., 2001 [nomen nudum]
- Heishansaurus: Bohlin, 1953 [nomen dubium]
- Helopus: Wiman, 1929 / Wagler, 1832 -> Euhelopus
- Heptasteornis: Harrison & C.A. Walker, 1975 [nomen dubium; PSS -> Elopteryx]
- Herrerasaurus: Reig, 1963
- Hesperosaurus: Carpenter, Miles & Cloward, 2001
- Heterodontosaurus: Crompton & Charig, 1962
- Heterosaurus: Cornuel, 1850 [JSS -> Iguanodon]
- Hexinlusaurus: Barrett, Butler & Knoll, 2005
- Heyuannia: Lü, 2003
- Hierosaurus: Wieland, 1909
- Hikanodon: Keferstein, 1834 [JOS -> Iguanodon]
- "Hironosaurus": Hisa, 1988 [nomen nudum]
- "Hisanohamasaurus": Lambert, 1990 [nomen nudum]
- Histriasaurus: Dalla Vecchia, 1998
- Homalocephale: Maryanska & Osmólska, 1974
- Honghesaurus: [Anonymous], 1981 [nomen nudum -> Yandusaurus]
- Hongshanosaurus: You, Xu X. & Wang X., 2003
- Hoplitosaurus: F.A. Lucas, 1902
- Hoplosaurus: Seeley, 1881 [nomen dubium; PSS -> Struthiosaurus]
- Hortalotarsus: Seeley, 1894 [JSS -> Massospondylus]
- Huabeisaurus: Pang & Cheng Z., 2000
- Huanghetitan: You, Li D., Zhou L. & Ji Q., 2006
- Huaxiagnathus: Hwang, Norell, Ji Q. & Gao K., 2004
- "Huaxiasaurus": Rey, 2002 [nomen nudum -> Huaxiagnathus]
- Huayangosaurus: Dong, Tang Z. & Zhou S., 1982
- Hudiesaurus: Dong, 1997
- Hulsanpes: Osmólska, 1982
- Hungarosaurus: Ösi, 2005
- Hylaeosaurus: Mantell, 1833
- Hylosaurus: Fitzinger, 1840 [JOS -> Hylaeosaurus]
- Hypacrosaurus: Brown, 1913
- Hypselosaurus: Matheron, 1869
- Hypsibema: Cope, 1869 [nomen dubium]
- Hypsilophodon: Huxley, 1869
- Hypsirophus: Cope, 1878 [nomen dubium; PSS -> Stegosaurus]
- "Ichabodcraniosaurus": Novacek, 1996 [nomen nudum]
- Iguanodon: Mantell, 1825
- "Iguanoides": Conybeare vide Cadbury, 2000 [nomen nudum –> Iguanodon]
- Iguanosaurus: [Anonymous], 1824 [nomen nudum -> Iguanodon]
- Iliosuchus: von Huene, 1932
- Ilokelesia: Coria & Salgado,2000 (not 1998)
- Incisivosaurus: Xu X., Cheng Y., Wang X. & Chang C., 2002 [PSS -> Protarchaeopteryx]
- Indosaurus: von Huene & Matley, 1933
- Indosuchus: von Huene & Matley, 1933
- Ingenia: Barsbold, 1981 / Gerlach, 1957 (replacement name not yet published)
- Inosaurus: de Lapparent, 1960 [nomen dubium]
- Irritator: Martill, Cruickshank, Frey, Small & M. Clarke, 1996
- Isanosaurus: Buffetaut, Suteethorn, Cuny, Tong, LeLoeuff, Khansubha & Jongautchariyakul, 2000
- Ischisaurus: Reig, 1963 [JSS -> Herrerasaurus]
- Ischyrosaurus: Hulke, 1874 vide Lydekker, 1888 / Cope, 1869
- Isisaurus: J.A. Wilson & Upchurch, 2003
- "Issasaurus": Maier, 2003 [nomen nudum -> Dicraeosaurus]
- Itemirus: Kurzanov, 1976
- Iuticosaurus: LeLoeuff, 1993 [nomen dubium]
- Jainosaurus: Hunt, Lockley, S.G. Lucas & C. Meyer, 1995 (not 1994) [nomen dubium; PSS -> Titanosaurus]
- Janenschia: Wild, 1991
- Jaxartosaurus: Riabinin, 1937 [nomen dubium]
- Jeholornis: Zhou Z. & Zhang F., 2002 [JSS -> Shenzhouraptor; possible bird]
- Jeholosaurus: Xu X., Wang X. & You, 2000
- Jenghizkhan: Olshevsky vide Olshevsky, Ford & Yamamoto, 1995 [JSS -> Tarbosaurus]
- Jensenosaurus: Olshevsky vide B.D. Curtice, Stadtman & L.J. Curtice, 1996 [nomen nudum -> Ultrasauros; JSS -> Supersaurus]
- "Jiangjunmiaosaurus": [Anonymous], 1987 [nomen nudum -> Monolophosaurus & Sinraptor]
- Jiangjunosaurus: Jia C., Forster (as Foster), Xu X. & Clark, 2007
- Jiangshanosaurus: Tang F., Kang, Jin X., Wei & Wu W.T., 2001
- Jinfengopteryx: Ji Q., Ji S., Lü, You, Chen W., Liu Y.Q. & Liu Y.X., 2005
- Jingshanosaurus: Zhang Y.H. & Yang Z.L., 1995
- Jinzhousaurus: Wang X. & Xu X., 2001
- Jiutaisaurus: Wu W.H., Dong, Sun, Li C. & Li T., 2006
- Jixiangornis: Ji Q., Ji S., Zhang H., You, Zhang J.P., Wang L., Yuan & Ji X., 2002 [possible bird]
- Jobaria: Sereno, Beck, Dutheil, Larsson, Lyon, Moussa, Sadleir, Sidor, Varricchio, G.P. Wilson & J.A. Wilson, 1999
- Jubbulpuria: von Huene & Matley, 1933 [nomen dubium]
- "Jurassosaurus": Dong vide Holden, 1992 [nomen nudum -> Tianchisaurus]
- Juravenator: Göhlich & Chiappe, 2006
- "Kagasaurus": Hisa, 1988 [nomen nudum]
- Kaijiangosaurus: He X., 1984
- Kakuru: Molnar & Pledge, 1980
- Kangnasaurus: Haughton, 1915
- Karongasaurus: Gomani, 2005 [electronically published]
- "Katsuyamasaurus": Lambert, 1990 [nomen nudum -> Fukuiraptor]
- Kelmayisaurus: Dong, 1973
- Kentrosaurus: Hennig, 1915 / Lambe, 1904 -> Kentrurosaurus & Doryphorosaurus
- Kentrurosaurus: Hennig, 1916 [JOS -> Kentrosaurus]
- Kerberosaurus: Bolotsky & Godefroit, 2004
- Khaan: Clark, Norell & Barsbold, 2001
- Khetranisaurus: Malkani, 2006
- "Kitadanisaurus": Lambert, 1990 [nomen nudum]
- Kittysaurus: Hargreaves, 2001 [nomen nudum -> Eotyrannus]
- Klamelisaurus: Zhao X., 1993
- Koparion: Chure, 1994
- Koreanosaurus: Kim H.M., 1979 [nomen nudum]
- Kotasaurus: Yadagiri, 1988
- Koutalisaurus: Prieto-Marquez, Gaete, Rivas, Galobart & Boada, 2006
- Kritosaurus: Brown, 1910 [nomen dubium; PSS -> Anasazisaurus, Gryposaurus, and/or Naashoibitosaurus]
- Kryptops: Sereno & Brusatte, 2008
- Kulceratops: Nessov, 1995
- Kunmingosaurus: Zhao X. (as Chao S.), 1985
- Labocania: Molnar, 1974
- Labrosaurus: Marsh, 1879 [JSS -> Allosaurus]
- Laelaps: Cope, 1866 / Koch, 1836 -> Drytosaurus
- Laevisuchus: von Huene & Matley, 1933 [nomen dubium]
- Lagerpeton: Romer, 1971
- Lagosuchus: Romer, 1971 [nomen dubium]
- Lamaceratops: Alifanov, 2003
- Lambeosaurus: Parks, 1923
- Lametasaurus: Matley, 1923 [nomen dubium]
- Lamplughsaura: Kutty, Chatterjee, Galton & Upchurch, 2007
- Lanasaurus: Gow, 1975
- Lancangosaurus: Zhao X. vide Dong, Zhou S. & Zhang Y.H., 1983 [nomen nudum -> Datousaurus]
- Lancanjiangosaurus: Zhao X., 1983 [nomen nudum]
- Lanzhousaurus: You, Ji Q & Li D, 2005
- Laosaurus: Marsh, 1878 [nomen dubium]
- Laplatasaurus: von Huene, 1929
- Lapparentosaurus: Bonaparte, 1986
- Leaellynasaura: T. Rich & Vickers-Rich (as P. Rich), 1989
- Leipsanosaurus: Nopcsa, 1918 [PSS -> Struthiosaurus]
- Lengosaurus: Kelly, 1998 [nomen nudum -> Eotyrannus]
- Leptoceratops: Brown, 1914
- Leptospondylus: Owen, 1854 [JSS -> Massospondylus]
- Lesothosaurus: Galton, 1978 [PSS -> Fabrosaurus]
- Lessemsaurus: Bonaparte, 1999
- Lexovisaurus: Hoffstetter, 1957
- Liaoceratops: Xu X., Makovicky, Wang X., Norell & You, 2002
- Liaoningosaurus: Xu X., Wang X. & You, 2001
- Liassaurus: Welles, H.P. Powell & Pickering vide Pickering, 1995 [nomen nudum]
- Ligabueino: Bonaparte, 1996
- Ligabuesaurus: Bonaparte, González-Riga (as González Riga) & Apesteguía, 2006
- "Ligomasaurus": Maier, 2003 [nomen nudum -> Giraffatitan or Brachiosaurus]
- Liliensternus: Welles, 1984
- Limaysaurus: Salgado, Garrido, S.E. Cocca & J.R. Cocca, 2004
- Limnosaurus: Nopcsa, 1899 / Marsh, 1872 -> Telmatosaurus & Hecatasaurus
- Lirainosaurus: Sanz, J.E. Powell, Le Loeuff, R.D. Martínez & Pereda-Suberbiola, 1999
- Loncosaurus: Ameghino, 1898 [nomen dubium]
- Longosaurus: Welles, 1984 [JSS -> Coelophysis]
- Lophorhothon: Langston, 1960
- Lophostropheus: Ezcurra & Cuny, 2007
- Loricatosaurus: Maidment, Norman, Barrett & Upchurch, 2008
- Loricosaurus: von Huene, 1929
- Losillasaurus: Casanovas-Cladellas (as Casanovas), Santafe & Sanz, 2001
- Lourinhanosaurus: Mateus, 1998
- Lourinhasaurus: Dantas, Sanz, Da Silva, Ortega, Dos Santos & Cachao, 1998
- Luanchuanraptor: Lü, Xu L., Zhang X.L., Ji Q., Jia S., Hu W., Zhang J.M. & Wu Y., 2007
- Luanpingosaurus: Cheng vide Chen P., 1996 [nomen nudum -> Psittacosaurus]
- Luckyraptor: [Anonymous], 2007 [nomen nudum]
- Lufengocephalus: Yang Z.J. (as Young C.C.), 1974 [JSS -> Lufengosaurus]
- Lufengosaurus: Yang Z.J. (as Young C.C.), 1941
- Lukousaurus: Yang Z.J. (as Young C.C.), 1948
- Lurdusaurus: Taquet & D.A. Russell, 1999
- Lusitanosaurus: de Lapparent & Zbyszewski, 1957
- Lusotitan: Telles Antunes & Mateus, 2003
- Lycorhinus: Haughton, 1924
- Macrodontophion: Zborzewski, 1834 [nomen dubium]
- Macrogryphosaurus: Calvo, Porfiri & Novas, 2007
- Macrophalangia: C.M. Sternberg, 1932 [JSS -> Chirostenotes]
- Macrurosaurus: Seeley, 1876
- "Madsenius": Lambert, 1990 [nomen nudum -> Allosaurus]
- Magnirostris: You & Dong, 2003
- Magnosaurus: von Huene, 1932
- Magulodon: Kranz, 1996 [nomen nudum]
- Magyarosaurus: von Huene, 1932
- Mahakala: Turner, Pol, J.A. Clarke, Erickson & Norell, 2007
- Maiasaura: Horner & Makela, 1979
- Majungasaurus: Lavocat, 1955
- Majungatholus: Sues & Taquet, 1979 [JSS -> Majungasaurus]
- Malarguesaurus: González-Riga, Previtera & Pirrone, 2008
- Malawisaurus: Jacobs, Winkler, W.R. Downs & Gomani, 1993
- Maleevosaurus: Carpenter, 1992 [JSS -> Tarbosaurus]
- Maleevus: Tumanova, 1987
- Mamenchisaurus: Yang Z.J. (as Young C.C.), 1954
- Mandschurosaurus: Riabinin, 1930 [nomen dubium; PSS ->Amurosaurus or Charonosaurus]
- Manospondylus: Cope, 1892 [nomen dubium; PSS -> Tyrannosaurus]
- Mantellisaurus: Paul, 2006
- Mapusaurus: Coria & Currie, 2006
- Marasuchus: Sereno & Arcucci, 1994
- Marisaurus: Malkani, 2006
- Marmarospondylus: Owen, 1875 [nomen dubium]
- Marshosaurus: J.H. Madsen, 1976
- Masiakasaurus: Sampson, Carrano & Forster, 2001
- Massospondylus: Owen, 1854
- Maxakalisaurus: Kellner, Campos, Azevedo, Trotta, Henriques, Craik & Silva, 2006
- Medusaceratops: Ryan, 2003 [nomen ex dissertatione -> Albertaceratops]
- Megacervixosaurus: Zhao X., 1983 [nomen nudum]
- Megadactylus: Hitchcock, 1865 / Fitzinger, 1843 -> Amphisaurus
- "Megadontosaurus": Brown vide Ostrom, 1970 [nomen nudum -> Deinonychus & Microvenator]
- Megalosaurus: Buckland, 1824
- Megapnosaurus: Ivie, Slipinski & Wegrzynowicz, 2001 [JSS -> Coelophysis]
- Megaraptor: Novas, 1998
- Mei: Xu X., & Norell, 2004
- Melanorosaurus: Haughton, 1924
- Mendozasaurus: González-Riga (as González Riga), 2003
- Merosaurus: Welles, H.P. Powell & Pickering vide Pickering, 1995 [nomen nudum]
- Metriacanthosaurus: A.D. Walker, 1964
- Microcephale: Sereno, 1997 [nomen nudum]
- Microceratops: Bohlin, 1953 / Seyrig, 1952 -> Microceratus
- Microceratus: Mateus, 2008 [nomen dubium]
- Microcoelus: Lydekker, 1893 [nomen dubium; PSS -> Saltasaurus]
- Microdontosaurus: Zhao X., 1983 [nomen nudum]
- Microhadrosaurus: Dong, 1979 [nomen dubium]
- Micropachycephalosaurus: Dong, 1978
- Microraptor: Xu X., Zhou Z. & Wang X., 2000
- Microsaurops: Kuhn, 1963 [JOS -> Microcoelus]
- Microvenator: Ostrom, 1970
- "Mifunesaurus": Hisa, 1985 [nomen nudum]
- Minmi: Molnar, 1980
- Mirischia: Naish, Martill & Frey, 2004
- Moabosaurus: Britt vide [Anonymous] 2006 [nomen nudum, in "The Gigantic Dinosaur Expo 2006 Official Guidebook"]
- Mochlodon: Seeley, 1881
- "Mohammadisaurus": Maier, 2003 [nomen nudum -> Tornieria]
- Mongolosaurus: Gilmore, 1933 [nomen dubium]
- Monkonosaurus: Zhao X. vide Dong, 1990
- Monoclonius: Cope, 1876 [nomen dubium; PSS -> Centrosaurus or Styracosaurus]
- Monolophosaurus: Zhao X. & Currie, 1994 (not 1993)
- Mononychus: Perle, Norell, Chiappe & Clark, 1993 / Schueppel, 1824 -> Mononykus
- Mononykus: Perle, Norell, Chiappe & Clark, 1993
- Montanoceratops: C.M. Sternberg, 1951
- Morinosaurus: Sauvage, 1874 [nomen dubium; PSS -> Pelorosaurus]
- Morosaurus: Marsh, 1878 [JSS -> Camarasaurus]
- "Moshisaurus": Hisa, 1985 [nomen nudum -> Mamenchisaurus]
- "Mtapaiasaurus": Maier, 2003 [nomen nudum -> Giraffatitan or Brachiosaurus]
- "Mtotosaurus": Maier, 2003 [nomen nudum -> Dicraeosaurus]
- Mussaurus: Bonaparte & Vince, 1979
- Muttaburrasaurus: Bartholomai & Molnar, 1981
- Muyelensaurus: Calvo, González-Riga & Porfiri, 2007
- Mymoorapelta: Kirkland & Carpenter, 1994
- Naashoibitosaurus: Hunt & S.G. Lucas, 1993 [PSS -> Gryposaurus or Kritosaurus]
- Nanningosaurus: Mo, Zhao Z., Wang W. & Xu X., 2007
- Nanosaurus: Marsh, 1877
- Nanotyrannus: Bakker, Williams & Currie, 1988 [PSS -> Tyrannosaurus]
- Nanshiungosaurus: Dong, 1979
- Nanyangosaurus: Xu X., Zhao X., Lü, Huang W., Li Z. & Dong, 2000
- Nectosaurus: Versluys, 1910 / Merriam, 1905 -> Kritosaurus
- Nedcolbertia: Kirkland, Britt, Whittle, S.K. Madsen & Burge, 1998
- Neimongosaurus: Zhang X.H., Xu X., Zhao X., Sereno, Kuang & Tan L., 2001
- Nemegtia: Lü, Tomida, Azuma, Dong, & Lee, 2004 / Szczechura, 1978 -> Nemegtomaia
- Nemegtomaia: Lü, Tomida, Azuma, Dong, & Lee, 2005
- Nemegtosaurus: Nowinski, 1971
- Neosaurus: Gilmore vide Gilmore & Stewart, 1945 / Nopcsa, 1923 -> Parrosaurus
- Neosodon: de la Moussaye, 1885
- Neovenator: Hutt, Martill & Barker, 1996
- Neuquenraptor: F.E. Novas & D. Pol, 2005 [PSS -> Unenlagia]
- Neuquensaurus: J.E. Powell, 1992
- Newtonsaurus: Welles vide Welles & Pickering, 1999 [nomen nudum]
- Ngexisaurus: Zhao X., 1983 [nomen nudum]
- Nigersaurus: Sereno, Beck, Dutheil, Larsson, Lyon, Moussa, Sadleir, Sidor, Varricchio, G.P. Wilson & J.A. Wilson, 1999
- Niobrarasaurus: Carpenter, Dilkes & Weishampel, 1995
- Nipponosaurus: Nagao, 1936
- Noasaurus: Bonaparte & J.E. Powell, 1980
- Nodocephalosaurus: R. Sullivan, 1999
- Nodosaurus: Marsh, 1889
- Nomingia: Barsbold, Osmólska, Watabe, Currie & Tsogtbaatar, 2000
- Nopcsaspondylus: Apesteguía, 2007
- Nothronychus: Kirkland & Wolfe, 2001
- Notoceratops: Tapia, 1918 [nomen dubium]
- Notohypsilophodon: R.D. Martínez, 1998
- Nqwebasaurus: de Klerk, Foster, Sampson, Chinsamy & Ross, 2000
- "Nteregosaurus": Maier, 2003 [nomen nudum -> Janenschia]
- Nuoersaurus: Dong & Li X.M., 1991 [nomen nudum; later spelled Nuoerosaurus & Nurosaurus but neither formally described nor named]
- Nuthetes: Owen, 1854
- "Nyororosaurus": Maier, 2003 [nomen nudum -> Dicraeosaurus]
- Ohmdenosaurus: Wild, 1978
- Oligosaurus: Seeley, 1881 [nomen dubium; PSS -> Rhabdodon]
- Olorotitan: Godefroit, Bolotsky & Alifanov, 2003
- Omeisaurus: Yang Z.J. (as Young C.C.), 1939
- Omnivoropteryx: Czerkas & Ji Q., 2002
- Omosaurus: Owen, 1875 / Leidy, 1856 -> Dacentrurus
- Onychosaurus: Nopcsa, 1902 [nomen dubium; PSS -> Rhabdodon]
- Opisthocoelicaudia: Borsuk-Bialynicka, 1977
- Oplosaurus: Gervais, 1852 [nomen dubium; PSS -> Pelorosaurus]
- Orcomimus: Triebold, 1997 [nomen nudum]
- Orinosaurus: Lydekker, 1889 [JOS -> Orosaurus]
- Orkoraptor: Novas, Ezcurra & Lecuona, 2008
- Ornatotholus: Galton & Sues, 1983 [JSS -> Stegoceras]
- Ornithodesmus: Seeley, 1887
- Ornithoides: Osborn, 1924 [nomen nudum -> Saurornithoides]
- Ornitholestes: Osborn, 1903
- Ornithomerus: Seeley, 1881 [JSS -> Rhabdodon]
- Ornithomimoides: von Huene & Matley, 1933 [nomen dubium]
- Ornithomimus: Marsh, 1890
- Ornithopsis: Seeley, 1870 [nomen dubium]
- Ornithotarsus: Cope, 1869 [nomen dubium; PSS -> Hadrosaurus]
- Orodromeus: Horner & Weishampel, 1988
- Orosaurus: Huxley, 1867 [JSS -> Euskelosaurus]
- Orthogoniosaurus: Das-Gupta, 1931 [nomen dubium]
- Orthomerus: Seeley, 1883 [nomen dubium; PSS -> Telmatosaurus]
- Oryctodromeus: Varricchio, A.J. Martin & Katsura, 2007
- Oshanosaurus: Zhao X. (as Chao S.), 1985 [nomen nudum]
- Othnielia: Galton, 1977
- Othnielosaurus: Galton, 2006
- Otogosaurus: Zhao X. & Tan L., 2004 [citation not seen, author's name(s) may change]
- Ouranosaurus: Taquet, 1976
- Oviraptor: Osborn, 1924
- Ovoraptor: Osborn, 1924 [nomen nudum -> Velociraptor]
- Ozraptor: J.A. Long & Molnar, 1998
- Pachycephalosaurus: Brown & Schlaikjer, 1943
- Pachyrhinosaurus: C.M. Sternberg, 1950
- Pachysauriscus: Kuhn, 1959 [nomen dubium; PSS -> Plateosaurus]
- Pachysaurops: von Huene, 1961 (not 1959) [JOS -> Pachysauriscus]
- Pachysaurus: von Huene, 1908 / Fitzinger, 1843 -> Pachysauriscus
- Pachyspondylus: Owen, 1854 [JSS -> Massospondylus]
- Pakisaurus: Malkani, 2006
- Palaeopteryx: Jensen, 1981
- Palaeoscincus: Leidy, 1856 [nomen dubium; PSS -> Edmontonia or Panoplosaurus]
- Paluxysaurus: Rose, 2007 [electronically published]
- Panoplosaurus: Lambe, 1919
- Pantydraco: Galton, Yates & Kermack, 2007
- Paraiguanodon: Brown vide Olshevsky, 1991 [nomen nudum -> Bactrosaurus]
- Paralititan: J.B. Smith, Lamanna, Locovara, Dodson, J.R. Smith, Poole, Giegengack & Attia, 2001
- Paranthodon: Nopcsa, 1929
- Pararhabdodon: Casanovas-Cladellas, Santafé-Llopis & Isidro-Llorens, 1993
- Parasaurolophus: Parks, 1922
- Parksosaurus: C.M. Sternberg, 1937
- Paronychodon: Cope, 1876 [nomen dubium]
- Parrosaurus: Gilmore, 1945 [nomen dubium; PSS -> Hypsibema]
- Parvicursor: Karhu & Rautian, 1996
- Patagonykus: Novas, 1996
- Patagosaurus: Bonaparte, 1979
- Pawpawsaurus: Lee, 1996
- Pectinodon: Carpenter, 1982
- Pedopenna: Xu X. & Zhang F., 2005
- Peishansaurus: Bohlin, 1953 [nomen dubium]
- Pelecanimimus: Perez-Moreno, Sanz, Buscalioni, Moratalla, Ortega & Rasskin-Gutman, 1994
- Pellegrinisaurus: Salgado, 1996
- Pelorosaurus: Mantell, 1850
- Peltosaurus: Brown vide Chure & McIntosh, 1989 (see also Glut, 1972) / Cope, 1873 -> Sauropelta
- Penelopognathus: Godefroit, Li H. & Shang, 2005
- Pentaceratops: Osborn, 1923
- Phaedrolosaurus: Dong, 1973
- Phuwiangosaurus: V. Martin, Buffetaut & Suteethorn, 1994
- Phyllodon: Thulborn, 1973
- Piatnitzkysaurus: Bonaparte, 1979
- Pinacosaurus: Gilmore, 1933
- Pisanosaurus: Casamiquela, 1967
- Piveteausaurus: Taquet & Welles, 1977
- Planicoxa: DiCroce & Carpenter, 2001
- Plateosauravus: von Huene, 1932 [JSS -> Euskelosaurus]
- Plateosaurus: von Meyer, 1837
- Platyceratops: Alifanov, 2003
- Pleurocoelus: Marsh, 1888
- Pleuropeltus: Seeley, 1881 [nomen dubium; PSS -> Struthiosaurus]
- Podokesaurus: Talbot, 1911 [JSS -> Coelophysis]
- Poekilopleuron: Eudes-Deslongchamps, 1838
- Polacanthoides: Nopcsa, 1928 [PSS -> Hylaeosaurus]
- Polacanthus: Owen vide [Anonymous], 1865
- Polyodontosaurus: Gilmore, 1932 [JSS -> Troödon]
- Polyonax: Cope, 1874 [JSS -> Triceratops]
- Ponerosteus: Olshevsky, 2000 [nomen dubium]
- Pradhania: Kutty, Chatterjee, Galton & Upchurch, 2007
- Prenocephale: Maryanska & Osmólska, 1974
- Prenoceratops: Chinnery, 2004
- Priconodon: Marsh, 1888 [nomen dubium]
- Priodontognathus: Seeley, 1875 [nomen dubium]
- Probactrosaurus: Rozhdestvensky, 1966
- Proceratops: Lull, 1906 [JOS -> Ceratops]
- Proceratosaurus: von Huene, 1926
- Procerosaurus: Fritsch, 1905 / von Huene, 1902 -> Ponerosteus
- Procheneosaurus: Matthew, 1920 [JSS -> Lambeosaurus]
- Procompsognathus: E. Fraas, 1913
- Prodeinodon: Osborn, 1924 [nomen dubium]
- Proiguanodon: van den Broeck, 1900 [nomen nudum -> Iguanodon]
- Prosaurolophus: Brown, 1916
- Protarchaeopteryx: Ji Q. & Ji S., 1997
- Protiguanodon: Osborn, 1923 [JSS -> Psittacosaurus]
- Protoavis: Chatterjee, 1991
- Protoceratops: Granger & Gregory, 1923
- Protognathosaurus: Olshevsky, 1991
- Protognathus: Zhang Y.H., 1988 / Basilewsky, 1950 -> Protognathosaurus
- Protohadros: Head, 1998
- Protorosaurus: Lambe, 1914 / von Meyer, 1830 -> Chasmosaurus
- Protrachodon: Nopcsa, 1923 [nomen nudum -> Orthomerus]
- Proyandusaurus: Knoll, 1999
- Pseudolagosuchus: Arcucci, 1987
- Psittacosaurus: Osborn, 1923
- Pteropelyx: Cope, 1889 [nomen dubium]
- Pterospondylus: Jaekel, 1913 [PSS -> Procompsognathus]
- Puertasaurus: Novas, Salgado, Calvo & Agnolin, 2005
- Pukyongosaurus: Dong, Paik & Kim H.J., 2001
- Pycnonemosaurus: Kellner & Campos, 2002
- Pyroraptor: Allain & Taquet, 2000
- Qantassaurus: T. Rich & Vickers-Rich, 1999
- Qingxiusaurus: Mo, Huang C., Zhao Z., Wang W. & Xu X., 2008
- Qinlingosaurus: Xue, Zhang Y.X., Bi, Yue & Chen D., 1996
- Quaesitosaurus: Bannikov & Kurzanov vide Kurzanov & Bannikov, 1983
- Quilmesaurus: Coria, 2001
- Rahona: Forster, Sampson, Chiappe & Krause, 1998 / Griveaud, 1975 -> Rahonavis
- Rahonavis: Forster, Sampson, Chiappe & Krause, 1998
- Rajasaurus: J.A. Wilson, Sereno, Srivastava, Bhatt, Khosla & Sahni, 2003
- Rapator: von Huene, 1932 [nomen dubium]
- Rapetosaurus: Rogers & Forster, 2001
- Rayososaurus: Bonaparte, 1996
- Razanandrongobe: Maganuco, Dal Sasso & Pasini, 2006 (possible crocodylomorph or theropod)
- Rebbachisaurus: Lavocat, 1954
- Regnosaurus: Mantell, 1848
- Revueltoraptor: Hunt, 1994 vide Nesbitt, Irmis & Parker, 2007 [nomen ex dissertatione -> Gojirasaurus]
- Rhabdodon: Matheron, 1869
- Rhadinosaurus: Seeley, 1881 [nomen dubium]
- Rhodanosaurus: Nopcsa, 1929 [JSS -> Struthiosaurus]
- Rhoetosaurus: Longman, 1926
- Ricardoestesia: Currie, Rigby & R.E. Sloan, 1990
- Rileya: von Huene, 1902 / Ashmead, 1888 -> Rileyasuchus [nomen dubium]
- Rileyasuchus: Kuhn, 1961 [nomen dubium]
- Rinchenia: Barsbold, 1997 vide Osmólska, Currie & Barsbold, 2004
- Rinconsaurus: Calvo & González-Riga (as González Riga), 2003
- Rioarribasaurus: Hunt & S.G. Lucas, 1991 [nomen rejectum -> Coelophysis]
- Riojasaurus: Bonaparte, 1969
- Rocasaurus: Salgado & Azpilicueta, 2000
- Roccosaurus: van Heerden vide Anderson & Cruickshank, 1978 [nomen nudum -> Melanorosaurus]
- Ruehleia: Galton, 2001
- Rugops: Sereno, J.A. Wilson & Conrad, 2004
- Rutellum: Lhuyd, 1699 [nomen oblitum; pre-Linnaean name: cf. Delair & Sarjeant, 2002]
- Sacisaurus: Ferigolo & Langer, 2006
- Sahaliyania: Godefroit, Hai, Yu & Lauters, 2008
- Saichania: Maryanska, 1977
- "Salimosaurus": Maier, 2003 [nomen nudum -> Giraffatitan or Brachiosaurus]
- Saltasaurus: Bonaparte & J.E. Powell, 1980
- Saltopus: von Huene, 1910
- "Saltriosaurus": Dal Sasso, 2000 [nomen nudum]
- "Sanchusaurus": Hisa, 1985 [nomen nudum -> Gallimimus]
- Sangonghesaurus: Zhao X., 1983 [nomen nudum -> Tianchisaurus]
- Sanpasaurus: Yang Z.J. (as Young C.C.), 1944 [nomen dubium]
- Santanaraptor: Kellner, 1999
- Sarcolestes: Lydekker, 1893
- Sarcosaurus: Andrews, 1921
- Saturnalia: Langer, Abdala, Richter & Benton, 1998
- Sauraechmodon: Falconer, 1861 [nomen nudum -> Echinodon]
- Saurolophus: Brown, 1912
- Sauropelta: Ostrom, 1970
- Saurophaganax: Chure, 1995
- Saurophagus: Stovall vide Ray, 1941 / Swainson 1831
- Sauroplites: Bohlin, 1953 [nomen dubium]
- Sauroposeidon: Wedel, Cifelli & Sanders, 2000
- Saurornithoides: Osborn, 1924
- Saurornitholestes: Sues, 1978
- Scansoriopteryx: Czerkas & Yuan, 2002
- Scelidosaurus: Owen, 1859
- Scipionyx: Dal Sasso & Signore, 1998
- Scolosaurus: Nopcsa, 1928
- Scrotum: Brookes, 1763 [nomen oblitum; PSS -> Megalosaurus]
- Scutellosaurus: Colbert, 1981
- Secernosaurus: Brett-Surman, 1979
- Segisaurus: Camp, 1936
- Segnosaurus: Perle, 1979
- Seismosaurus: Gillette, 1991
- "Selimanosaurus": Maier, 2003 [nomen nudum -> Dicraeosaurus]
- Sellosaurus: von Huene, 1908
- Serendipaceratops: T. Rich & Vickers-Rich, 2003
- Shamosaurus: Tumanova, 1983
- Shanag: Turner, Hwang & Norell, 2007
- Shanshanosaurus: Dong, 1977 [JSS -> Tarbosaurus]
- Shantungosaurus: Hu C., 1973
- Shanxia: Barrett, You, Upchurch & Burton, 1998
- Shanyangosaurus: Xue, Zhang Y.H., Bi, Yue & Chen D., 1996
- Shenzhouraptor: Ji Q., Ji S., You, Zhang J.P., Yuan, Ji X., Li J. & Li Y.X., 2002 [possible bird]
- Shenzhousaurus: Ji Q., Norell, Makovicky, Gao K., Ji S. & Yuan, 2003
- Shixinggia: Lü & Zhang B., 2005
- Shuangmiaosaurus: You, Ji Q., Li J. & Li Y.X., 2003
- Shunosaurus: Dong, Zhou S. & Zhang Y.H., 1983
- Shuvosaurus: Chatterjee, 1993 [dinosaurian status currently in debate]
- Shuvuuia: Chiappe, Norell & Clark, 1998
- Siamosaurus: Buffetaut & Ingavat, 1986
- Siamotyrannus: Buffetaut, Suteethorn & Tong, 1996
- Sigilmassasaurus: D.A. Russell, 1996
- Silesaurus: Dzik, 2003
- Siluosaurus: Dong, 1997 [nomen dubium]
- Silvisaurus: Eaton, 1960
- Similicaudipteryx: He T., Wang X.L. & Zhou Z., 2008
- Sinocalliopteryx: Ji S., Ji Q., Lü & Yuan, 2007
- Sinocoelurus: Yang Z.J. (as Young C.C.), 1942
- Sinornithoides: D.A. Russell & Dong, 1994 (not 1993)
- Sinornithomimus: Kobayashi & Lü, 2003
- Sinornithosaurus: Xu X., Wang X. & Wu X., 1999
- Sinosauropteryx: Ji Q. & Ji S., 1996
- Sinosaurus: Yang Z.J. (as Young C.C.), 1948
- Sinovenator: Xu X., Norell, Wang X., Makovicky & Wu X., 2002
- Sinraptor: Currie & Zhao X., 1994 (not 1993)
- Sinucerasaurus: Xu X. & Wang X., 2004 vide Xu X. & Norell, 2006 [JOS -> Sinusonasus]
- Sinusonasus: Xu X. & Wang X., 2004
- Sonidosaurus: Xu X., Zhang X.H., Tan Q., Zhao X. & Tan L., 2006
- Sonorasaurus: Ratkevich, 1998
- Sphaerotholus: Williamson & Carr, 2003 [PSS -> Prenocephale]
- Sphenospondylus: Seeley, 1882 [JSS -> Iguanodon]
- Spinosaurus: Stromer, 1915
- Spinostropheus: Sereno, J.A. Wilson & Conrad, 2004
- Staurikosaurus: Colbert, 1970
- Stegoceras: Lambe, 1902
- Stegopelta: Williston, 1905 [PSS -> Nodosaurus]
- Stegosaurides: Bohlin, 1953 [nomen dubium]
- Stegosaurus: Marsh, 1877
- Stenonychosaurus: C.M. Sternberg, 1932 [JSS -> Troödon]
- Stenopelix: von Meyer, 1857
- Stenotholus: Giffin, Gabriel & Johnson, 1988 [JSS -> Stygimoloch]
- Stephanosaurus: Lambe, 1914 [nomen dubium; PSS -> Lambeosaurus]
- Stereocephalus: Lambe, 1902 / Lynch-Arribalzaga, 1884 -> Euoplocephalus
- Sterrholophus: Marsh, 1891 [JSS -> Triceratops]
- Stokesosaurus: J.H. Madsen, 1974
- Stormbergia: Butler, 2005
- Strenusaurus: Bonaparte, 1969 [JSS -> Riojasaurus]
- Streptospondylus: von Meyer, 1830 [nomen dubium]
- Struthiomimus: Osborn, 1916
- Struthiosaurus: Bunzel, 1870
- Stygimoloch: Galton & Sues, 1983
- Stygivenator: Olshevsky vide Olshevsky, Ford & Yamamoto, 1995 [JSS -> Tyrannosaurus]
- Styracosaurus: Lambe, 1913
- Suchomimus: Sereno, Beck, Dutheil, Gado, Larsson, Lyon, Marcot, Rauhut, Sadleir, Sidor, Varricchio, G.P. Wilson & J.A. Wilson, 1998
- Suchosaurus: Owen, 1841 [nomen dubium; PSS ->Baryonyx]
- "Sugiyamasaurus": Lambert, 1990 [nomen nudum]
- Sulaimanisaurus: Malkani, 2006
- Supersaurus: Jensen, 1985
- Suuwassea: Harris & Dodson, 2004
- Suzhousaurus: Li D., Peng C., You, Lamanna, Harris, Lacovara & Zhang J.P., 2007
- Symphyrophus: Cope, 1878 [JSS -> Camptosaurus]
- Syngonosaurus: Seeley, 1879 [nomen dubium]
- Syntarsus: Raath, 1969 / Fairmaire, 1869 -> Megapnosaurus
- Syrmosaurus: Maleev, 1952 [JSS -> Pinacosaurus]
- Szechuanoraptor: Chure, 2001 [nomen ex dissertatione]
- Szechuanosaurus: Yang Z.J. (as Young C.C.), 1942 [nomen dubium]
- Talarurus: Maleev, 1952
- Talenkauen: Novas, Cambiaso & Ambrosio, 2004
- Tangvayosaurus: Allain, Taquet, Battail, Dejax, Richir, Veran, Limon-Duparcmeur, Vacant, Mateus, Sayarath, Khenthavong & Phouyavong, 1999
- Tanius: Wiman, 1929
- Tanycolagreus: Carpenter, Miles & Cloward, 2005
- Tanystrosuchus: Kuhn, 1963 [nomen dubium; PSS -> Halticosaurus or Liliensternus]
- Tarascosaurus: Le Loeuff & Buffetaut, 1991
- Tarbosaurus: Maleev, 1955
- Tastavinsaurus: Canudo, Royo-Torres & Cuenca-Bescós, 2008
- Tarchia: Maryanska, 1977
- Tatisaurus: Simmons, 1965
- Taveirosaurus: Telles Antunes & Sigogneau-Russell, 1991
- Tawasaurus: Yang Z.J. (as Young C.C.), 1982
- Tazoudasaurus: Allain, Aquesbi, Dejax, C. Meyer, Monbaron, Montenat, Richir, Rochdy, D.A. Russell & Taquet, 2004
- Technosaurus: Chatterjee, 1984
- Tehuelchesaurus: T. Rich, Vickers-Rich, Gimenez, Cúneo, Puerta & Vacca, 1999
- Teinurosaurus: Nopcsa, 1928 vide Nopcsa, 1929 [nomen dubium]
- Telmatosaurus: Nopcsa, 1903
- Tenantosaurus: Brown vide Chure & McIntosh, 1989 [nomen nudum -> Tenontosaurus]
- Tendaguria: Bonaparte, Heinrich & Wild, 2000
- Tenontosaurus: Ostrom, 1970
- Tetragonosaurus: Parks, 1931 [nomen rejectum -> Procheneosaurus]
- Texasetes: Coombs, 1995
- Teyuwasu: Kischlat, 1999
- Thecocoelurus: von Huene, 1923 [nomen dubium]
- Thecodontosaurus: Riley & Stutchbury, 1836
- Thecospondylus: Seeley, 1882 [nomen dubium]
- Theiophytalia: Brill & Carpenter, 2006
- Therizinosaurus: Maleev, 1954
- Therosaurus: Fitzinger, 1840 [JOS -> Iguanodon]
- Thescelosaurus: Gilmore, 1913
- Thespesius: Leidy, 1856 [nomen dubium]
- Thotobolosaurus: Ellenberger, 1972 [nomen nudum]
- Tianchisaurus: Dong, 1993
- Tianchungosaurus: Zhao X., 1983 [nomen nudum]
- Tianzhenosaurus: Pang & Cheng Z., 1998
- Tichosteus: Cope, 1877 [nomen dubium]
- Tienshanosaurus: Yang Z.J. (as Young C.C.), 1937
- Timimus: T. Rich & Vickers-Rich, 1994
- Titanosaurus: Lydekker, 1877 [nomen dubium]
- Titanosaurus: Marsh, 1877 / Lydekker, 1877 -> Atlantosaurus [nomen dubium]
- Tochisaurus: Kurzanov & Osmólska, 1991
- Tomodon: Leidy, 1865 / Dumeril 1853 -> Diplotomodon
- Tonouchisaurus: Barsbold, 1994 [nomen nudum]
- Tornieria: Sternfeld, 1911
- Torosaurus: Marsh, 1891
- Torvosaurus: Galton & Jensen, 1979
- Trachodon: Leidy, 1856 [nomen dubium] (The original material has turned out to be from two different types of dinosaurs. This makes the name useless for scientific purposes.)
- Triceratops: Marsh, 1889
- Trigonosaurus: Campos, Kellner, Bertini & Santucci, 2005
- Trimucrodon: Thulborn, 1973
- Troödon: Leidy, 1856
- Tsaagan: Norell, Clark, Turner, Makovicky, Barsbold & Rowe, 2006
- Tsagantegia: Tumanova, 1993
- Tsintaosaurus: Yang Z.J. (as Young C.C.), 1958
- Tugulusaurus: Dong, 1973
- Tuojiangosaurus: Dong, Li X.M., Zhou S. & Zhang Y.H., 1977
- Turanoceratops: Nessov & Kaznyshkina vide Nessov, Kaznyshkina & Cherepanov, 1989
- Turiasaurus: Royo-Torres, Cobos & Alcalá, 2006
- Tylocephale: Maryanska & Osmólska, 1974
- Tylosteus: Leidy, 1872 [nomen oblitum; SSS -> Pachycephalosaurus]
- Tyrannosaurus: Osborn, 1905
- Tyrannotitan: F.E. Novas, S. de Valai, P. Vickers-Rich & T. Rich, 2005
- Tyreophorus: von Huene, 1929 [nomen nudum]
- Uberabatitan: Salgado & Carvalho, 2008
- Udanoceratops: Kurzanov, 1992
- Ugrosaurus: Cobabe & Fastovsky, 1987 [JSS -> Triceratops]
- Uintasaurus: Holland, 1919 [JSS -> Camarasaurus]
- Ultrasauros: Jensen vide Olshevsky, 1991 [JSS -> Supersaurus]
- Ultrasaurus: Kim H.M., 1983 [nomen dubium]
- Ultrasaurus: Jensen, 1985 / Kim H.M., 1983 -> Ultrasauros
- Umarsaurus: Maryanska & Osmólska, 1981 vide Olshevsky, 1992 [nomen nudum -> Barsdoldia]
- Unaysaurus: Leal, Azevedo, Kellner & Da Rosa, 2004
- Unenlagia: Nova & Puerta, 1997
- Unquillosaurus: J.E. Powell, 1979
- Urbacodon: Averianov & Sues, 2007
- Utahraptor: Kirkland, Burge & Gaston, 1993
- Valdoraptor: Olshevsky, 1991
- Valdosaurus: Galton, 1977
- Variraptor: Le Loeuff & Buffetaut, 1998
- Vectensia: Delair, 1982 [nomen nudum -> Hylaeosaurus]
- Vectisaurus: Hulke, 1879 [JSS -> Iguanodon]
- Velafrons: Gates, Sampson, Delgado deJesús, Zanno, Eberth, Hernandez-Rivera, Aguilló Martínez & Kirkland, 2007
- Velocipes: von Huene, 1932 [nomen dubium]
- Velociraptor: Osborn, 1924
- Velocisaurus: Bonaparte, 1991
- Venenosaurus: Tidwell, Carpenter & S. Meyer, 2001
- Vitakridridrinda: Malkani, 2006
- Volkheimeria: Bonaparte, 1979
- Vulcanodon: Raath, 1972
- Wakinosaurus: Okazaki, 1992
- Walgettosuchus: von Huene, 1932
- Walkeria: Chatterjee, 1987 / Fleming, 1823 -> Alwalkeria
- Walkersaurus: Welles, H.P. Powell & Pickering vide Pickering, 1995 [nomen nudum]
- "Wangonisaurus": Maier, 2003 [nomen nudum -> Giraffatitan or Brachiosaurus]
- Wannanosaurus: Hou, 1977
- Wuerhosaurus: Dong, 1973
- Wulagasaurus: Godefroit, Hai, Yu & Lauters, 2008
- Wyomingraptor: [Anonymous], 1997 [nomen nudum -> Allosaurus]
- Xenoposeidon: Taylor & Naish, 2007
- Xenotarsosaurus: R.D. Martínez, Gimenez, Rodriguez & Bochatey, 1986
- Xiaosaurus: Dong & Tang Z., 1983
- Xinjianogovenator: Rauhut & Xu X., 2005
- Xuanhanosaurus: Dong, 1984
- Xuanhuaceratops: Zhao X., Cheng Z., Xu X. & Makovicky, 2006
- Xuanhuasaurus: Zhao X. (as Chao S.), 1985 [nomen nudum -> Xuanhuaceratops]
- Yaleosaurus: von Huene, 1932 [JSS -> Anchisaurus]
- Yamaceratops: Makovicky & Norell, 2006
- Yandusaurus: He X., 1979
- Yangchuanosaurus: Dong, Chang Y.H. (as Chang Y.), Li X.M. & Zhou S., 1978
- Yaverlandia: Galton, 1971
- Yibinosaurus: Ouyang, 2001
- Yimenosaurus: Bai vide Bai, Yang J. & Wang G.H., 1990
- Yingshanosaurus: Zhou S., 1984 [nomen nudum]
- Yinlong: Xu X., Forster, Clark & Mo, 2006
- Yixianosaurus: Xu X. & Wang X., 2003
- Yuanmousaurus: Lü, Li S., Ji Q., Wang G.F., Zhang J.H. & Dong, 2006
- Yubasaurus: He X., 1975 ? [nomen nudum -> Yandusaurus]
- Yunnanosaurus: Yang Z.J. (as Young C.C.), 1942
- Yunxiansaurus: Zhou S., 2005 [nomen nudum]
- Zalmoxes: Weishampel, Jianu, Csiki & Norman, 2003
- Zapalasaurus: Salgado, Carvalho & Garrido, 2006
- Zapsalis: Cope, 1876 [nomen dubium]
- Zephyrosaurus: Sues, 1980
- Zhejiangosaurus: Lü , Jin X., Sheng, Li Y.H., Wang G.P. & Azuma, 2007
- Zhongyuansaurus: Xu L., Lü, Zhang X.L., Jia S., Hu W., Zhang J.M., Wu Y. & Ji Q., 2007
- Zhuchengosaurus: Zhao X., Li D., Han G., Zhao H., Liu F., Li L. & Fang X., 2007
- Zigongosaurus: Hou, Chao & Chu, 1976 [JSS -> Mamenchisaurus]
- Zizhongosaurus: Dong Z., Zhou S. & Zhang Y.H., 1983
- Zuniceratops: Wolfe & Kirkland, 1998
- Zupaysaurus: Arcucci & Coria, 2003
not presently considered to be dinosaurian (*)
- Aachenosaurus: Smets, 1888 * [nomen dubium; petrified wood]
- Actiosaurus: Sauvage, 1882 * [nomen dubium; probably ichthyosaur]
- Aggiosaurus: Ambayrac, 1913 * [metriorhychid crocodilian]
- Albisaurus: Fritsch, 1905 * [nomen dubium; possible marine reptile]
- Ankistrodon: Huxley, 1865 * [proterosuchian archosaur]
- Anthodon: Owen, 1876 * [pareiasaur]
- Archaeopteryx: von Meyer, 1861 * [bird]
- Archaeornis: Petronievics vide Petronievics & Woodward, 1917 * [nomen rejectum -> Archaeopteryx; bird]
- Archaeovolans: Czerkas & Xu X., 2002 * [bird, originally part of Archaeoraptor specimen; PSS -> Yanornis]
- Arctosaurus: Adams, 1875 * [nomen dubium; non-dinosaurian reptile
- Arizonasaurus: Welles, 1947 * [ctenosauriscid rauisuchian]
- Avalonia: Seeley, 1898 / Walcott, 1889 * -> Avalonianus [non-dinosaurian anchosaur]
- Avalonianus: Kuhn, 1961 * [nomen dubium; non-dinosaurian archosaur]
- Avisaurus: Brett-Surman & Paul, 1985 * [enantiornithan bird]
- Basutodon: von Huene, 1932 * [nomen dubium; non-dinosaurian archosaur]
- Bathygnathus: Leidy, 1854 * [nomen dubium; pelycosaur]
- Belodon: von Meyer, 1842 * [phytosaur]
- Brachytaenius: von Meyer, 1842 * [nomen dubium; non-dinosaurian reptile]
- Brasileosaurus: von Huene, 1931 * [non-dinosaurian archosaur]
- Centemodon: Lea, 1856 * [nomen dubium; phytosaur]
- Chienkosaurus: Yang Z.J. (as Young C.C.), 1942 * [nomen dubium; crocodilian]
- Cladeiodon: Owen, 1841 * [nomen dubium; non-dinosaurian archosaur]
- Clarencea: Brink, 1959 * [sphenosuchian archosaur]
- Clepsysaurus: Lea, 1851 * [phytosaur]
- Coelurosauravus: Piveteau, 1926 * [gliding prolacertiform reptile]
- Colonosaurus: Marsh, 1872 * [ichthyornithid bird, probably Ichthyornis]
- Crosbysaurus: Heckert, 2004 * [non-dinosaurian archosaur]
- Cystosaurus: Geoffroy Saint-Hilaire, 1833 * [nomen oblitum; probable teleosaurid crocodyliform]
- Dakosaurus: Quenstedt, 1856 * [crocodilian]
- Dasygnathoides: Kuhn, 1961 * [ornithosuchid archosaur, JSS -> Ornithosuchus]
- Dasygnathus: Huxley, 1877 / MacLeay, 1819 * -> Dasygnathoides [ornithosuchid archosaur]
- Deuterosaurus: Eichwald, 1860 * [therapsid]
- Dianchungosaurus: Yang Z.J. (as Young C.C.), 1982 * [crocodilian]
- Doratodon: Seeley, 1881 * [crocodilian]
- Elachistosuchus: Janensch, 1949 * [rhynchocephalian]
- Elopteryx: Andrews, 1913 * [nomen dubium; probable bird, possible troödontid dinosaur]
- Ephoenosaurus: [Anonymous], 1839 * [nomen nudum; PSS -> Machimosaurus; crocodilian]
- Epicampodon: Lydekker, 1885 * [PSS -> Ankistrodon; proterosuchid archosaur]
- Eupodosaurus: Boulenger, 1891 * [nomen dubium; probable marine reptile]
- Eurolimnornis: Kessler & Jurcsak, 1986 * [probable bird]
- "Futabasaurus": Lambert, 1990 [nomen nudum; this name now belongs to a plesiosaur (Sato, Hasegawa & Manabe, 2006)]
- Galesaurus: Owen, 1859 * [therapsid]
- Galtonia: Huber, S.G. Lucas & Hunt, 1993 * [non-dinosaurian archosaur; PSS -> Revueltosaurus]
- Gobipteryx: Elzanowski, 1974 * [enantiornithan bird]
- Gracilisuchus: Romer, 1972 * [non-dinosaurian archosaur]
- Griphornis: Owen vide Woodward, 1862 * [nomen rejectum -> Archaeopteryx; bird]
- Griphosaurus: Wagner, 1861 * [nomen rejectum -> Archaeopteryx; bird]
- Gwyneddosaurus: Bock, 1945 * [non-dinosaurian reptile]
- Hallopus: Marsh, 1881 * [crocodilian]
- Herbstosaurus: Casamiquela, 1974 * [pterosaur]
- Hypselorhachis: Charig, 1967 [nomen nudum; non-dinosaurian archosaur] *
- Jurapteryx: Howgate, 1985 * [PSS -> Archaeopteryx; bird]
- Krzyzanowskisaurus: Heckert, 2005 * [non-dinosaurian archosaur; PSS -> Revueltosaurus]
- Kuszholia: Nessov, 1992 * [bird]
- Laornis: Marsh, 1870 * [bird]
- Lewisuchus: Romer, 1972 * [non-dinosaurian archosaur]
- Libycosaurus: Bonarelli, 1947 * [anthracothere mammal]
- Likhoelesaurus: Ellenberger, 1970 * [nomen nudum; non-dinosaurian archosaur]
- Limnornis: Kessler & Jurcsak, 1984 / Gould, 1839 * -> Eurolimnornis & Palaeocursornis [probable bird]
- Lisboasaurus: Seiffert, 1973 * [crocodilian]
- Longisquama: Sharov, 1970 * [gliding reptile]
- Lucianosaurus: Hunt & S.G. Lucas, 1994 * [non-dinosaurian archosaur]
- Macelognathus: Marsh, 1884 * [crocodilian]
- Macroscelosaurus: Muenster vide von Meyer, 1847 * [nomen nudum -> likely Tanystropheus; prolacertiform reptile]
- Nyasasaurus: Charig, 1967 * [nomen nudum; non-dinosaurian archosaur]
- Ornithosuchus: Newton, 1894 * [ornithosuchid archosaur]
- Palaeoctonus: Cope, 1877 * [nomen dubium; phytosaur]
- Palaeocursornis: Kessler & Jurcsak, 1986 * [probable bird]
- Palaeolimnornis: Jurcsak & Kessler, 1985 * [nomen nudum -> Palaeocursornis; probable bird]
- Palaeosauriscus: Kuhn, 1959 * [JOS -> Paleosaurus; non-dinosaurian archosaur]
- Palaeosaurus: Fitzinger, 1840 / Geoffroy Saint-Hilare, 1833 * -> Sphenosaurus [procolophonid]
- Palaeosaurus: Riley & Stutchbury, 1836 / Geoffroy Saint-Hilaire, 1833 * -> Paleosaurus [non-dinosaurian archosaur]
- Paleosaurus: Riley & Stutchbury, 1840 * [nomen dubium; non-dinosaurian archosaur]
- Pareiasaurus: Owen, 1876 * [non-dinosaurian reptile]
- Patricosaurus: Seeley, 1887 * [lepidosaur / archosaur chimera]
- Pekinosaurus: Hunt & S.G. Lucas, 1994 * [non-dinosaurian archosaur; PSS -> Revueltosaurus]
- Picrodon: Seeley, 1898 * [nomen dubium; PSS -> Avalonianus; non-dinosaurian archosaur]
- Pneumatoarthrus: Cope, 1870 * [nomen dubium; turtle]
- Poposaurus: Mehl, 1915 * [non-dinosaurian archosaur]
- Postosuchus: Chatterjee, 1985 * [rauisuchian archosaur]
- Procerosaurus: von Huene, 1902 * [prolacertiform reptile; PSS -> Tanystropheus]
- Protecovasaurus: Heckert, 2004 * [non-dinosaurian archosaur]
- Protorosaurus: von Meyer, 1830 * [non-dinosaurian reptile]
- Rachitrema: Sauvage, 1882 * [nomen dubium; probably ichthyosaur]
- Revueltosaurus: Hunt, 1989 * [non-dinosaurian archosaur]
- Rhopalodon: Fischer von Waldheim, 1841 * [therapsid]
- Riojasuchus: Bonaparte, 1969 * [ornithosuchid archosaur]
- Scaphonyx: Woodward, 1908 * [rhynchosaur]
- Scleromochlus: Woodward, 1907 * [non-dinosaurian archosaur]
- Smilodon: Plieninger, 1846 / Lund, 1842 * -> Zanclodon [non-dinosaurian archosaur]
- Sphenosaurus: von Meyer, 1847 * [procolophonid]
- Spinosuchus: von Huene, 1932 * [non-dinosaurian reptile]
- Spondylosoma: von Huene, 1942 * [rauisuchid]
- Squalodon: Grateloup, 1840 * [cetacean]
- Stereosaurus: Seeley, 1869 * [nomen nudum; probably plesiosaur]
- Succinodon: von Huene, 1941 * [mollusk borings]
- Suchoprion: Cope, 1877 * [nomen dubium; phytosaur]
- Tanystropheus: von Meyer, 1855 * [prolacertiform reptile]
- Tapinocephalus: Owen, 1876 * [therapsid]
- Tecovasaurus: Hunt & S.G. Lucas, 1994 * [non-dinosaurian archsaur]
- Teleocrater: Charig, 1956 [nomen nudum; non-dinosaurian archosaur] *
- Teratosaurus: von Meyer, 1861 * [teratosaurid archosaur]
- Termatosaurus: von Meyer & Plieninger, 1844 * [nomen dubium; phytosaur]
- Trialestes: Bonaparte, 1982 * [crocodilian]
- Triassolestes: Reig, 1963 / Tillyard, 1918 * -> Trialestes [crocodilian]
- Tribelesodon: Bassani, 1886 * [JSS –> Tanystropheus; prolacertiform reptile]
- Unicerosaurus: Baugh vide Armstrong, 1987 * [nomen nudum; fish]
- Venaticosuchus: Bonaparte, 1971 * [ornithosuchid archosaur]
- Wellnhoferia: Elzanowski, 2001 * [bird]
- Wyleyia: Harrison & C.A. Walker, 1973 * [enantiornithan bird]
- Yezosaurus: Obata & Muramoto, 1977 [nomen nudum; marine reptile] *
- Zanclodon: Plieninger, 1846 * [nomen dubium; non-dinosaurian archosaur]
- Zatomus: Cope, 1871 * [nomen dubium; non-dinosaurian archosaur]
Maintained by Robert Margulski; E-Mail your comments to: RMargulski@tellurian.net