Dinosaur Genera

DINOSAUR GENERA since - October 28, 1995 / last updated - November 11, 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 = 1185 (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
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
Gobiceratops: Alifanov, 2008
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
Pitekunsaurus: Filippi & Garrido, 2008
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