DINOSAUR GENERA

since: 28-October-1995 / last updated: 12-April-2024
Thank you to DinoGeorge Olshevsky (1946-2021)
for the original listing on 23-October-1995
and also to all the other contributors from the Dinosaur Mailing Group.
also: d-genera.pdf

Genera count = 1818 (including 114 not presently considered to be dinosaurian)
[nomen ex dissertatione] = name appears in a dissertation
[nomen manuscriptum] = unpublished name in a manuscript for publication
[nomen dubium] = name usually based on more than one type specimen
[nomen nudum] = name lacking a description and/or a type specimen
[nomen oblitum] = name forgotten for at least 50 years
[nomen rejectum] = name rejected by the ICZN
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

Aardonyx: A.M. Yates, M.F. Bonnan, J. Neveling, A. Chinsamy & M.G. Blackbeard, 2009
"Abdallahsaurus": G. Maier, 2003 [nomen nudum → Giraffatitan]
Abdarainurus: A.O. Averianov & A.V. Lopatin, 2020
Abditosaurus: B. Vila, A. Sellés, M. Moreno-Azanza, N.L. Razzolini, A. Gil-Delgado, J.I. Canudo & À. Galobart, 2022
Abelisaurus: J.F. Bonaparte & F.E. Novas, 1985
Abrictosaurus: J.A. Hopson, 1975
Abrosaurus: Ouyang H, 1989
Abydosaurus: D. Chure, B.B. Britt, J.A. Whitlock & J.A. Wilson, 2010
Acantholipan: H.E. Rivera-Sylva, E. Frey, W. Stinnesbeck, G. Carbot-Chanona, I.E. Sanchez-Uribe & J.R. Guzmán-Gutiérrez, 2018
Acanthopholis: T.H. Huxley, 1867 [nomen dubium]
Achelousaurus: S.D. Sampson, 1995
Acheroraptor: D.C. Evans, D.W. Larson & P.J. Currie, 2013
Achillesaurus: A.G. Martinelli & E.I. Vera, 2007
Achillobator: A. Perle, M.A. Norell & J.M. Clark, 1999
Acracanthus: W.R. Langston, 1947 vide N.J. Czaplewski, R.L. Cifelli & W.R. Langston, 1994 [nomen ex dissertatione → Acrocanthosaurus]
Acristavus: T.A. Gates, J.R. Horner, R.R. Hanna & C.R. Nelson, 2011
Acrocanthosaurus: J.W. Stovall & W.R. Langston, 1950
Acrotholus: D.C. Evans, R.K. Schott, D.W. Larson, C.M. Brown & M.J. Ryan, 2013
Adamantisaurus: R.A. Santucci & Bertini, 2006
Adasaurus: R. Barsbold, 1983
Adelolophus: T.A. Gates, Z.A. Jinnah, C. Levitt & M.A. Getty, 2014
Adeopapposaurus: R.N. Martínez, 2009
Adratiklit: S.C.R. Maidment, T.J. Raven, D. Ouarhache & P.M. Barrett, 2019
Adynomosaurus: A. Prieto-Márquez, V. Fondevilla, A.G. Sellés, J.R. Wagner & À. Galobart, 2018
Aegyptosaurus: E. Stromer, 1932
Aeolosaurus: J.E. Powell, 1987
Aepisaurus: P. Gervais, 1852 [nomen dubium]
Aepyornithomimus: Chinzorig T, Y. Kobayashi, Tsogtbaatar K, P.J. Currie, M. Watabe & R. Barsbold, 2017
Aerosteon: P.C. Sereno, R.N. Martínez, J.A. Wilson, D.J. Varricchio, O.A. Alcober & H.C.E. Larsson, 2008
Aetonyx: R. Broom, 1911 [JSS → Massospondylus]
Afromimus: P.C. Sereno, 2017
Afrovenator: P.C. Sereno, J.A. Wilson, H.C.E. Larsson, D.B. Dutheil & H-D Sues, 1994
Agathaumas: E.D. Cope, 1872 [nomen dubium; PSS → Nedoceratops, Torosaurus or Triceratops]
Agilisaurus: Peng G, 1990
Agnosphitys: Fraser, Padian, Walkden & Davis, 2002
Agrosaurus: H.G. Seeley, 1891 [JSS → Thecodontosaurus]
Agujaceratops: S.G. Lucas, R.M. Sullivan & A.P. Hunt, 2006
Agustinia: J.F. Bonaparte, 1999
Ahshislepelta: M.E. Burns & R.M. Sullivan, 2011
Airakoraptor: A. Perle, M.A. Norell & J.M. Clark, 1999 [nomen nudum]
Ajancingenia: J. Easter, 2013
Ajkaceratops: Ösi A, R.J. Butler & D.B. Weishampel, 2010
Ajnabia: N.R. Longrich, X.P. Suberbiola, R.A. Pyron & N-E Jalil, 2020
Akainacephalus: J.P. Wiersma & R.B. Irmis, 2018
Alamosaurus: Gilmore, 1922
Alamotyrannus: S.G. Dalman & S.G. Lucas, 2013 [nomen nudum; PSS → Tyrannosaurus]
Alashansaurus: D. Chure, 2001 [nomen ex dissertatione → Shaochilong]
Alaskacephale: R.M. Sullivan, 2006
Albalophosaurus: T. Ohashi & P.M. Barrett, 2009
Albertaceratops: M.J. Ryan, 2007
Albertadromeus: C.M. Brown, D.C. Evans, M.J. Ryan & A.P. Russell, 2013
Albertavenator: D.C. Evans, T.M. Cullen, D.W. Larson & A. Rego, 2017
Albertonykus: N.R. Longrich & P.J. Currie, 2008
Albertosaurus: H.F. Osborn, 1905
Albinykus: S.J. Nesbitt, J.A. Clarke, A.H. Turner & M.A. Norell, 2011
Alcmonavis: O.W.M. Rauhut, H. Tischlinger & C. Foth, 2019 [possible bird]
Alcovasaurus: P.M. Galton & K. Carpenter, 2016
Alectrosaurus: Gilmore, 1933
Aletopelta: Ford & J.I. Kirkland, 2001
Algoasaurus: R. Broom, 1904 [nomen dubium]
Alioramus: S.M. Kurzanov, 1976
Aliwalia: P.M. Galton, 1985 [JSS → Eucnemesaurus]
Allosaurus: O.C. Marsh, 1877
Almas: Pei R, M.A. Norell, D.E. Barta, G.S. Bever, M. Pittman, & Xu X, 2017
Alnashetri: P.J. Makovicky, S. Apesteguía & F.A. Gianechini, 2012
Alocodon: Thulborn, 1973
Altirhinus: D.B. Norman, 1998
Altispinax: F. von Huene, 1923 [nomen dubium; PSS → Becklespinax]
Alvarezsaurus: J.F. Bonaparte, 1991
Alwalkeria: S. Chatterjee & Creisler, 1994
Alxasaurus: D.A. Russell & Dong Z-M, 1994 (not 1993)
Amanzia: D. Schwarz, P.D. Mannion, O. Wings & C.A. Meyer, 2020
Amargasaurus: L. Salgado & J.F. Bonaparte, 1991
Amargastegos: R.E. Ulansky, 2014
Amargatitanis: S. Apesteguía, 2007
Amazonsaurus: I. de Souza Carvalho, L.S. Avilla & L. Salgado, 2003
Ambopteryx: Wang M, J.K. O'Connor, Xu X. & Zhou Z, 2019
Ammosaurus: O.C. Marsh, 1891
Ampelognathus: R.S. Tykoski, D.L. Contreras & C. Noto, 2023
Ampelosaurus: J. LeLoeuff, 1995
Amphicoelias: E.D. Cope, 1877 [nomen dubium]
Amphicoelicaudia: Cheng Z, etal, 1994 vide Li K, 1998 [nomen nudum → Huabeisaurus]
Amphisaurus: O.C. Marsh, 1877 / Barkas, 1870 → Anchisaurus
Amtocephale: M. Watabe, Tsogtbaatar K. & R.M. Sullivan, 2011
Amtosaurus: S.M. Kurzanov & T.A. Tumanova, 1978 [nomen dubium]
Amurosaurus: Y.L. Bolotsky & S.M. Kurzanov, 1991
Amygdalodon: Cabrera, 1947 [nomen dubium]
Anabisetia: R.A. Coria & J.O. Calvo, 2002
Analong: Ren X-X, T. Sekiya, Wang T, Yang Z-W & You H-L, 2020
Anasazisaurus: A.P. 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: M.K. Brett-Surman vide R.E. Chapman & M.K. Brett-Surman, 1990 [PSS → Edmontosaurus]
Anchiceratops: B. Brown, 1914
Anchiornis: Xu X, Zhao Q, M.A. Norell, C. Sullivan, Hone, G.M. Erickson, Wang X-L, Han F. & Guo Y, 2009 [possible bird]
Anchisaurus: O.C. Marsh, 1885
Andesaurus: J.O. Calvo & J.F. Bonaparte, 1991
Andhrasaurus: R.E. Ulansky, 2014
Angaturama: A.W.A. Kellner & D.A. Campos, 1996 [JSS → Irritator]
Angloposeidon: D. Naish, 2010 [nomen nudum; in Tetrapod Zoology Book One]
Angolatitan: O. Mateus, L.L. Jacobs, A.S. Schulp, M.J. Polcyn, T.S. Tavares, A.B. Neto, M.L. Morais & M.T. Antunes, 2011
Angulomastacator: J.R. Wagner & T.M. Lehman, 2009
Anhuilong: Ren X-X, Huang J-D & You H-L, 2018
Aniksosaurus: R.D. Martínez & F.E. Novas, 2006
Animantarx: K. Carpenter, J.I. Kirkland, Burge & J. Bird, 1999
Ankylosaurus: B. Brown, 1908
Anodontosaurus: C.M. Sternberg, 1929
Anomalipes (genus also refers to a specie for a fly, wasps & crab): Yu Y, Wang K, Chen S, C. Sullivan, Wang S, Wang P. & Xu X, 2018
Anoplosaurus: H.G. Seeley, 1879
Anserimimus: R. Barsbold, 1988
Antarctopelta: L. Salgado & Z. Gasparini, 2006 [nomen dubium]
Antarctosaurus: F. von Huene, 1929
Antetonitrus: A.M. Yates & Kitching, 2003
Antrodemus: J. Leidy, 1870 [nomen dubium; PSS → Allosaurus]
Anzu: M.C. Lamanna, H-D Sues, E.R. Schachner & T.R. Lyson, 2014
Aoniraptor: M.J. Motta, A.M. Aranciaga Rolando, S. Rozadilla, F.L. Agnolín, N.R. Chimento, F. Brissón-Eglí & F.E. Novas, 2016
Aorun: J.N. Choiniere, J.M. Clark, C.A. Forster, M.A. Norell, D.A. Eberth, G.M. Erickson, Chu H-J & Xu X, 2013
Apatodon: O.C. Marsh, 1877 [nomen dubium; PSS → Allosaurus]
Apatoraptor: G.F. Funston & P.J. Currie, 2016
Apatosaurus: O.C. Marsh, 1877
Appalachiosaurus: T.D. Carr, T.E. Williamson & Schwimmer, 2005
Aquilarhinus: A. Prieto-Márquez, J.R. Wagner & T. Lehman, 2019
Aquilops: A,A. Farke, W.D. Maxwell, R.L. Cifelli & M.J. Wedel, 2014
Arackar: D. Rubilar-Rogers, A.O. Vargas, B. González Riga, S. Soto-Acuña, J. Alarcón-Muñoz, J. Iriarte-Díaz, C. Arévalo & C.S. Gutstein, 2021
Aragosaurus: J.L. Sanz, Buscalioni, Casanovas-Cladellas (as Casanovas) & Santafe, 1987
Aralosaurus: Rozhdestvensky, 1968
Aratasaurus: J. Manso Sayão, A.Á. Feitosa Saraiva, A. Souza Brum, R.A. Machado Bantim, R.C. Lima Pedroso de Andrade, Cheng X, F. Jorge de Lima, Helder de Paula Silva & A.W.A. Kellner, 2020
Araucanoraptor: F.E. Novas, 1997 [nomen dubium → Neuquenraptor]
Archaeoceratops: Dong Z-M & Y. Azuma, 1997
Archaeodontosaurus: E. Buffetaut, 2005
Archaeoraptor: Czerkas vide C.P. Sloan, 1999 vide Olson, 2000 [nomen nudum; JOS → Microraptor]
Archaeornithoides: Elzanowski & Wellnhofer, 1992
Archaeornithomimus: D.A. Russell, 1972
Arcovenator: T. Tortosa, E. Buffetaut, N. Vialle, Y. Dutour, E. Turini & G. Cheylan, 2013
Arcusaurus: A.M. Yates, M.F. Bonnan & J. Neveling, 2011
Arenysaurus: X. Pereda-Suberbiola, J.I. Canudo, P. Cruzado-Caballero, J.L. Barco, N. López-Martínez, O. Oms & J.I. Ruíz-Omeñaca, 2009
Argentinosaurus: J.F. Bonaparte & R.A. Coria, 1993
Argyrosaurus: R. Lydekker, 1893
Aristosaurus: van Hoepen, 1920 [JSS → Massospondylus]
Aristosuchus: H.G. Seeley, 1887 [nomen dubium]
Arkansaurus: R.K. Hunt & J.H. Quinn, 2018 [previously nomen nudum as "Arkanosaurus", H.R. Sattler, 1983]
Arkharavia: V.R. Alifanov & Y.L. Bolotsky, 2010
Arrhinoceratops: Parks, 1925
Arrudatitan: J.C.G. Silva Jr, A.G. Martinelli, F.V. Iori, T.S. Marinho, E.M. Hechenleitner & M.C. Langer, 2021 (for Aeolosaurus maximus: Santucci & Arruda-Campos, 2011)
Arstanosaurus: Suslov vide Suslov & Shilin, 1982 [nomen dubium]
Asfaltovenator: O.W.M Rauhut & D. Pol, 2019
Asiaceratops: Nessov & Kaznyshkina vide Nessov, Kaznyshkina & Cherepanov, 1989
Asiamericana: Nessov, 1995 [nomen dubium]
Asiatosaurus: H.F. Osborn, 1924 [nomen dubium]
Asilisaurus: S.J. Nesbitt, C.A. Sidor, R.B. Irmis, K.D. Angielczyk, R.M.H. Smith, & Tsuji L-A, 2010
Astrodon: Johnston, 1859 [nomen dubium; PSS → Pleurocoelus]
Astrodonius: Kuhn, 1961 [JOS → Astrodon]
Astrodontaurus: C. Johnston, 1858 vide Kranz, 2004 [JOS → Astrodon]
Astrophocaudia: M.D. D'Emic, 2012
Asylosaurus: P.M. Galton, 2007
Atacamatitan: A.W.A. Kellner, D. Rubilar-Rogers, Vargas & Suárez, 2011
Atlantosaurus: O.C. Marsh, 1877 [nomen dubium; PSS → Apatosaurus or Camarasaurus]
Atlasaurus: Monbaron, D.A. Russell & P. Taquet, 1999
Atlascopcosaurus: T. Rich & P. Vickers-Rich (as P. Rich), 1989
Atrociraptor: P.J. Currie & D.J. Varricchio, 2004
Atsinganosaurus: G. Garcia, S. Amico, F. Fournier, E. Thouand & X. Valentin, 2010
Aublysodon: J. Leidy, 1868 [nomen dubium; PSS → Albertosaurus or Deinodon]
Aucasaurus: R.A. Coria, L.M. Chiappe & L. Dingus, 2002
Augustia (genus also refers to a beetle): J.F. Bonaparte, 1998 / Zariquiey, 1927 → Agustinia
Augustynolophus: A. Prieto-Márquez, J.R. Wagner, P.R. Bell & L.M. Chiappe, 2014
Auroraceratops: You H-L, Li D-Q, Ji Q, M.C. Lamanna & P. Dodson, 2005
Aurornis: P. Godefroit, A. Cau, Hu D-Y, F. Escuillié, Wu W-H & G. Dyke, 2013 [possible bird; PSS → Anchiornis]
Australodocus: Remes, 2007
Australotitan: S.A. Hocknull, M. Wilkinson, R.A. Lawrence, V. Konstantinov, S. Mackenzie & R. Mackenzie, 2021
Australovenator: S.A. Hocknull, M.A. White, T.R. Tischler, A.G. Cook, N.D. Calleja, T. Sloan & D.A. Elliott, 2009
Austrocheirus: M.D. Ezcurra, F.L. Agnolín & F.E. Novas, 2010
Austroposeidon: K.L.N. Bandeira, F. Medeiros Simbras, E. Batista Machado, D.A. Campos, G.R. Oliveira & A.W.A. Kellner, 2016
Austroraptor: F.E. Novas, D. Pol, Canale, J.D. Porfiri & J.O. Calvo, 2008
Austrosaurus: Longman, 1933
Avaceratops: P. Dodson, 1986
Aviatyrannis: O.W.M. Rauhut, 2003
Avimimus: S.M. Kurzanov, 1981
Avipes: F. von Huene, 1932 [nomen dubium]

Baalsaurus: J.O. Calvo & B.J. González-Riga, 2018
Bactrosaurus: Gilmore, 1933
Bagaceratops: T. Maryanska & H. Osmólska, 1975
Bagaraatan: H. Osmólska, 1996
Bagualia: D. Pol, J. Ramezani, K. Gomez, J.L. Carballido, A.P. Carabajal, O.W.M. Rauhut, I.H. Escapa & N.R. Cúneo, 2020
Bagualosaurus: F.A. Pretto, M.C. Langer & C.L. Schultz, 2018
Bahariasaurus: E. Stromer, 1934
Bainoceratops: Tereschenko & V.R. Alifanov, 2003
Bajadasaurus: P.A. Gallina, S. Apesteguía, J.I. Canale & A. Haluza, 2019
Bakesaurus: Zhou S, 2005 [nomen nudum]
Balaur: Z. Csiki, M. Vremir, S.L. Brusatte & M.A. Norell, 2010
Balochisaurus: M.S. Malkani, 2006
Bambiraptor: D.A. Burnham, K.L. Derstler, P.J. Currie, R.T. Bakker, Zhou Z. & J.H. Ostrom, 2000
Banji: Xu X. & Han F, 2010
Bannykus: Xu X, J.N. Choiniere, Tan Q, R.B.J. Benson, J.M. Clark, C. Sullivan, Zhao Q, Han F, Ma Q, He Y, Wang S, Xing H. & Tan L, 2018
Baotianmansaurus: Zhang X-L, Lü J-C, Xu L, Li J-H, Yang L-K, Hu W, Jia S, Ji Q. & Zhang C, 2009
Barackosaurus: [Anonymous], 2010 [nomen nudum; in The Dana Quarry Report]
Barapasaurus: Jain, T.S. Kutty, Roy-Chowdhury & S. Chatterjee, 1975
Barilium: D.B. Norman, 2010
Barosaurus: O.C. Marsh, 1890
Barrosasaurus: L. Salgado & R.A. Coria, 2009
Barsboldia: T. Maryanska & H. Osmólska, 1981
Baryonyx: A.J. Charig & A.C. Milner, 1986
Bashanosaurus: Dai H, Li N, S.C.R. Maidment, Wei G-B, Zhou Y-X, Hu X-F, Ma Q-Y, Wang X-Q, Hu H-Q. & Peng G-Z, 2022
Bashunosaurus: Li K, 1998 [nomen nudum; possibly → Datousaurus]
Batyrosaurus: P. Godefroit, F. Escuillié, Y.L. Bolotsky & P. Lauters, 2012
Baurutitan: A.W.A. Kellner, D.A. Campos & Trotta, 2005
Bayannurosaurus: Xu X, Tan Q, Gao Y, Bao Z, Yin Z, Guo B, Wang J, Tan L, Zhang Y. & Xing H, 2018
Bayosaurus: R.A. Coria, P.J. Currie & Carabajal, 2006 [nomen nudum]
Becklespinax: G. Olshevsky, 1991 [PSS → Altispinax]
"Beelemodon": R.T. Bakker, 1997 [nomen nudum]
Beg: Yu C-Y, A. Prieto-Marquez [Prieto-Márquez], Chinzorig T, Badamkhatan Z. & M.A. Norell, 2020
Beibeilong: Pu H-Y, D.K. Zelenitsky, Lü J-C, P.J. Currie, K. Carpenter, Xu L, E.B. Koppelhus, Jia S-H, Xiao L, Chuang H, Li T-R, M. Kundrát & Shen C, 2017
Beipiaognathus: Hu Y, Wang X-R & Huang J-D, 2016
Beipiaosaurus: Xu X, Tang Z. & Wang X-L, 1999
Beishanlong: P.J. Makovicky, Li D-Q, Gao K-Q, M. Lewin, G.M. Erickson & M.A. Norell, 2009
Bellusaurus: Dong Z-M, 1990
Berberosaurus: R. Allain, R.S. Tykoski, Aquesbi, Jalil, Monbaron, D.A. Russell & P. Taquet, 2007
Berthasaura: G. Alves de Souza, M.B. Soares, L.C. Weinschütz, E. Wilner, R.T. Lopes, O.M. Oliveira de Araüjo & A.W.A. Kellner, 2021
Betasuchus: F. von Huene, 1932 [nomen dubium]
Bicentenaria: F.E. Novas, M.D. Ezcurra, F.L. Agnolín, D. Pol & R. Ortíz, 2012
Biconcavoposeidon: M.P. Taylor & M.J. Wedel, 2017 [nomen manuscriptum; published in symposium poster]
Bienosaurus: Dong Z-M, 2001 [nomen dubium]
Bihariosaurus: Marinescu, 1989
Bilbeyhallorum: Burge, J. Bird, McClelland & Cicconetti, 1999 [nomen nudum → Cedarpelta]
Bissektipelta: Parish & P.M. Barrett, 2004
Bistahieversor: T.D. Carr & T.E. Williamson, 2010
Bisticeratops: S.G. Dalman, S.E. Jasinski & S.G. Lucas, 2022
"Blancocerosaurus": G. Maier, 2003 [nomen nudum → Giraffatitan]
Blasisaurus: P. Cruzado-Caballero, X. Pereda-Suberbiola & J.I. Ruíz-Omeñaca, 2010
Blikanasaurus: P.M. Galton & van Heerden, 1985
Bolong: Wu W-H, P. Godefroit & Hu D, 2010
Bonapartenykus: F.L. Agnolín, J.E. Powell, F.E. Novas & M. Kundrát, 2011
Bonapartesaurus: P. Cruzado-Caballero & J. Powell, 2017
Bonatitan: A.G. Martinelli & A.M. Forasiepi, 2004
Bonitasaura: S. Apesteguía, 2004
Borealopelta: C.M. Brown, D.M. Henderson, J. Vinther, I. Fletcher, A. Sistiaga, J. Herrera, R.E. Summons, 2017
Borealosaurus: You H-L, Ji Q, M.C. Lamanna, Li J-L. & Li Y-X, 2004
Boreonykus: P.R. Bell & P.J. Currie, 2015
Borogovia: H. Osmólska, 1987
Bothriospondylus: R. Owen, 1875
Brachiosaurus: Riggs, 1903
Brachyceratops: Gilmore, 1914
Brachylophosaurus: C.M. Sternberg, 1953
Brachypodosaurus: Chakravarti, 1934 [nomen dubium]
Brachyrophus: E.D. Cope, 1878 [JSS → Camptosaurus]
Brachytrachelopan: O.W.M. Rauhut, K. Remes, R. Fechner, G. Cladera & P. Puerta, 2005
Bradycneme: C.J.O. Harrison & C.A. Walker, 1975 [nomen dubium; PSS → Elopteryx]
Brasilotitan: E.B. Machado, L.S. Avilla, W.R. Nava, D.A. Campos & A.W.A. Kellner, 2013
Bravasaurus: E.M. Hechenleitner, L. Leuzinger, A.G. Martinelli, S. Rocher, L.E. Fiorelli, J.R.A. Taborda & L. Salgado, 2020
Bravoceratops: S.L. Wick & T.M. Lehman, 2013
Breviceratops: S.M. Kurzanov, 1990
Brighstoneus: J.A.F. Lockwood, D.M. Martill & S.C.R. Maidment, 2021
Brohisaurus: M.S. Malkani, 2003
Brontodiplodocus: [Anonymous], 2010 [nomen nudum; in The Dana Quarry Report]
Brontomerus: M.P. Taylor, M.J. Wedel & R.L. Cifelli, 2011
Brontoraptor: Redman, 1995 [nomen nudum]
Brontosaurus: O.C. Marsh, 1879
Bruhathkayosaurus: P. Yadagiri & K. Ayyasami, 1987 [nomen dubium]
Bugenasaura: P.M. Galton, 1995 [PSS → Thescelosaurus]
Buitreraptor: P.J. Makovicky, S. Apesteguía & F.L. Agnolín, 2005
Burianosaurus: D. Madzia, C.A. Boyd & M. Mazuch, 2017
Buriolestes: S.F. Cabreira, A.W.A. Kellner, S. Dias-da-Silva, L.R. da Silva, M. Bronzati, J.C. de Almeida Marsola, R. Temp Müller, J. de Souza Bittencourt, B.J.A. Batista, T. Raugust, R. Carrilho, A. Brodt & M.C. Langer, 2016
Bustingorrytitan: M.E. Simón & L. Salgado, 2023
Byranjaffia: Novacek, 2002 [nomen nudum → Byronosaurus]
Byronosaurus: M.A. Norell, P.J. Makovicky & J.M. Clark, 2000

Caenagnathasia: P.J. Currie, Godfrey & Nessov, 1994 (not 1993)
Caenagnathus: R.M. Sternberg, 1940
Caieiria: J.C.G. Silva Jr, A.G. Martinelli, T.S. Marinho, J.I. da Silva & M.C. Langer, 2022
Caihong: Hu D-Y, J.A. Clarke, C.M. Eliason, Qiu R, Li Q-G, M.D. Shawkey, Zhao C-L, L. D'Alba, Jiang J-K & Xu X, 2018
Calamosaurus: R. Lydekker, 1891 [nomen dubium]
Calamospondylus: W.D. Fox vide [Anonymous], 1866 [nomen dubium]
Calamospondylus: R. Lydekker, 1889 / W.D. Fox vide [Anonymous], 1866 → Calamosaurus
Callovosaurus: P.M. Galton, 1980
Calvarius: A. Prieto-Márquez & A. Sellés, 2023
Camarasaurus: E.D. Cope, 1877
Camarillasaurus: B. Sánchez-Hernández & M.J. Benton, 2012 [online publication, published in 2014]
Camelotia: P.M. Galton, 1985
Camposaurus: A.P. Hunt, S.G. Lucas, Heckert, R. Sullivan & Lockley, 1998
Camptonotus: O.C. Marsh, 1879 / Uhler, 1864 → Camptosaurus
Camptosaurus: O.C. Marsh, 1885
Campylodon: F. von Huene, 1929 / G. Cuvier & A. Valenciennes, 1832 → Campylodoniscus
Campylodoniscus: Kuhn, 1961 [nomen dubium]
Canardia: A. Prieto-Márquez, F.M. Dalla Vecchia, R. Gaete & À. Galobart, 2013
"Capitalsaurus": Kranz, 1998 [nomen nudum]
Carcharodontosaurus: E. Stromer, 1931
Cardiodon: R. Owen, 1841 [nomen dubium; PSS → Cetiosaurus]
Carnosaurus: F. von Huene, 1929 [nomen nudum]
Carnotaurus: J.F. Bonaparte, 1985
Caseosaurus: A.P. Hunt, S.G. Lucas, Heckert, R. Sullivan & Lockley, 1998
Cathartesaura: P.A. Gallina & S. Apesteguía, 2005
Cathetosaurus: J.A. Jensen, 1988 [PSS → Camarasaurus]
Caudipteryx: Ji Q, P.J. Currie, M.A. Norell & Ji S, 1998
Caudocoelus: F. von Huene, 1932 [JOS → Teinurosaurus]
Caulodon: E.D. Cope, 1877 [JSS → Camarasaurus]
Cedarosaurus: Tidwell, K. Carpenter & Brooks, 1999
Cedarpelta: K. Carpenter, J.I. Kirkland, Burge & J. Bird, 2001
Cedrorestes: Gilpin, DiCroce & K. Carpenter, 2006
Centrosaurus: Lambe, 1904 / L.J. Fitzinger, 1843 → Eucentrosaurus
Cerasinops: Chinnery & J.R. Horner, 2007
Ceratonykus: V.R. Alifanov & R. Barsbold, 2009
Ceratops: O.C. Marsh, 1888 / C.S. Rafinesque, 1815 → Proceratops [nomen dubium]
Ceratosaurus: O.C. Marsh, 1884
Ceratosuchops: C.T. Barker, D.W.E. Hone, D. Naish, A. Cau, J.A.F. Lockwood, B. Foster, C.E. Clarkin, P. Schneider & N.J. Gostling, 2021
Cetiosauriscus: F. von Huene, 1927
Cetiosaurus: R. Owen, 1841
Chakisaurus: R. Alvarez Nogueira, S. Rozadilla, F.L. Agnolín, J.A. Garcia Marsà, M.J. Motta & F.E. Novas, 2024
Changchunsaurus: Zan S-Q, Chen J, Jin L-Y. & Li T, 2005
Changmiania: Yang Y-Q, Wu W-H, P-E Dieudonné & P. Godefroit, 2020
Changtusaurus: Zhao X, 1983 [nomen nudum]
Changyuraptor: Han G, L.M. Chiappe, Ji S-A, M. Habib, A.H. Turner, A. Chinsamy, Liu X. & Han L, 2014
Chaoyangsaurus: Zhao X, Cheng Z. & Xu X, 1999
Charonosaurus: P. Godefroit, Zan & Jin L-Y, 2000
Chasmosaurus: Lambe, 1914
Chassternbergia: R.T. Bakker, 1988
Chebsaurus: Mahammed, Läng, Mami, Mekahli, Benhamou, Bouterfa, Kacemi, Chérief, Chaouati & P. Taquet, 2005
Chenanisaurus: N.R. Longrich, X. Pereda-Suberbiola, N-E Jalil, F. Khaldoune & E. Jourani, 2017
Cheneosaurus: Lambe, 1917 [JSS → Hypacrosaurus]
Chialingosaurus: Yang Z.J. (as Young C.C.), 1959
Chiayusaurus: B. Bohlin, 1953 [nomen dubium]
Chihuahuasaurus: Ratkevich vide [Anonymous], 1997 [nomen nudum → Sonorasaurus]
Chilantaisaurus: Hu S, 1964
Chilesaurus: F.E. Novas, L. Salgado, M. Suárez, F.L. Agnolín, M.D. Ezcurra, N.R. Chimento, R. de la Cruz, M.P. Isasi, A.O. Vargas & D. Rubilar-Rogers, 2015
Chindesaurus: R.A. Long & Murry, 1995
Chingkankousaurus: Yang Z.J. (as Young C.C.), 1958 [JSS → Tarbosaurus]
Chinshakiangosaurus: Yeh, 1975 vide Dong Z-M, 1992 vide P. Upchurch, P.M. Barrett, Zhao X. & Xu X, 2007
Chirostenotes: Gilmore, 1924
Choconsaurus: E. Simón, L. Salgado & J.O. Calvo, 2017
Chondrosteosaurus: R. Owen, 1876 [nomen dubium]
Choyrodon: T.A. Gates, Tsogtbaatar K, L.E. Zanno, Chinzorig T. & M. Watabe, 2018
Chromogisaurus: M.D. Ezcurra, 2010
Chuandongocoelurus: He X, 1984
Chuanjiesaurus: Fang, Pang, Lü J-C, Zhang Z, Pan S, Wang Y, Li X-K. & Cheng Z, 2000
Chuanqilong: Han F, Zheng W, Hu D, Xu X & P.M. Barrett, 2014
Chubutisaurus: del Corro, 1974
Chucarosaurus: F.L. Agnolin, B.J. Gonzalez Riga, A.M. Aranciaga Rolando, S. Rozadilla, M.J. Motta, N.R. Chimento & F.E. Novas, 2023
Chungkingosaurus: Dong Z-M, Zhou S. & Zhang Y.H, 1983
Chuxiongosaurus: Lü J-C, Y. Kobayashi, Li T-G & Zhong S, 2010 [PSS → Jingshanosaurus]
Cinizasaurus: Heckert, 1997 vide S.J. Nesbitt, R.B. Irmis & Parker, 2007 [nomen ex dissertatione]
Cionodon: E.D. Cope, 1874 [nomen dubium]
Citipati: J.M. Clark, M.A. Norell & R. Barsbold, 2001
Citipes: G.F. Funston, 2020
Claorhynchus: E.D. Cope, 1892 [nomen dubium; PSS → Triceratops]
Claosaurus: O.C. Marsh, 1890
Clasmodosaurus: F. Ameghino, 1898 [nomen dubium]
Clevelanotyrannus: R.T. Bakker, Williams & P.J. Currie vide P.J. Currie, 1987 [nomen nudum → Nanotyrannus]
Coahuilaceratops: M.A. Loewen, S.D. Sampson, E.K. Lund, A.A. Farke, M.C. Aguillón-Martínez, de Leon, R.A. Rodríguez de la Rosa, M.A. Getty & D.A. Eberth, 2010
Coelophysis: E.D. Cope, 1889
Coelosaurus: J. Leidy, 1865 / [Anonymous, known to be R. Owen], 1854 → Ornithomimus
Coeluroides: F. von Huene & Matley, 1933 [nomen dubium]
Coelurosaurus: F. von Huene, 1929 [nomen nudum]
Coelurus: O.C. Marsh, 1879
Colepiocephale: R. Sullivan, 2003
Coloradia: J.F. Bonaparte, 1978 / Blake, 1863 → Coloradisaurus
Coloradisaurus: Lambert, 1983
Colossosaurus: G. Mantell, 1849 vide Torrens, 1997 [nomen nudum → Pelorosaurus]
Comahuesaurus: J.L. Carballido, L. Salgado, D. Pol, J.I. Canudo & A.C. Garrido, 2012
Comanchesaurus: A.P. Hunt, 1994 vide S.J. Nesbitt, R.B. Irmis & Parker, 2007 [nomen ex dissertatione]
Compsognathus: J.A. Wagner, 1859
Compsosuchus: F. von Huene & Matley, 1933
Concavenator: F. Ortega, F. Escaso & J.L. Sanz, 2010
Conchoraptor: R. Barsbold, 1986
Condorraptor: O.W.M. Rauhut, 2005
Convolosaurus: K.A. Andrzejewski, D.A. Winkler & L.L. Jacobs, 2019
Coronosaurus: M.J. Ryan, D.C. Evans & K.M. Shepherd, 2012
Corythoraptor: Lü J-C, Li G-Q, M. Kundrát, Lee Y-N, Sun Z-Y, Y. Kobayashi, Shen C, Teng F-F & Liu H-F, 2017
Corythosaurus: B. Brown, 1914
Craspedodon: L. Dollo, 1883
Crataeomus: H.G. Seeley, 1881 [nomen dubium; PSS → Struthiosaurus]
Craterosaurus: H.G. Seeley, 1874 [nomen dubium; PSS → Regnosaurus]
Creosaurus: O.C. Marsh, 1878 [nomen dubium; PSS → Allosaurus]]
Crichtonpelta: V.M. Arbour & P.J. Currie, 2015
Crichtonsaurus: Dong Z-M, 2002 [nomen dubium]
Cristatusaurus: P. Taquet & D.A. Russell, 1998
Crittendenceratops: S.G. Dalman, J.M. Hodnett, A.J. Lichtig & S.G. Lucas, 2018
Cruxicheiros: R.B.J. Benson & J.D. Radley, 2009
Cryolophosaurus: Hammer & Hickerson, 1994
Cryptodraco: R. Lydekker, 1889 [JOS → Cryptosaurus]
Cryptoraptor: A.P. Hunt, 1994 vide S.J. Nesbitt, R.B. Irmis & Parker, 2007 [nomen ex dissertatione]
Cryptosaurus: H.G. Seeley, 1869
Cryptovolans: Czerkas, Zhang D, Li J-L. & Li Y-X, 2002 [PSS → Microraptor]
Cumnoria: H.G. Seeley, 1888 [PSS → Camptosaurus]
Cylindricodon: R. Owen vide Ingles & Sawyer, 1979 / G. Jaeger, 1828 → Hylaeosaurus

Daanosaurus: Ye, Gao Y. & Jiang S, 2005
Dacentrurus: F.A. Lucas, 1902
Dachungosaurus: Zhao X. (as Chao S.), 1985 [nomen nudum]
Daemonosaurus: H-D Sues, S.J. Nesbitt, D.S. Berman & A.C. Henrici, 2011
Dahalokely: A.A. Farke & J.J.W. Sertich, 2013
Dakotadon: G.S. Paul, 2008
Dakotaraptor: R.A. DePalma, D.A. Burnham, L.D. Martin, P.L. Larson & R.T. Bakker, 2015
Dalianraptor: Gao C. & Liu J-Y, 2005 [possible bird]
Daliansaurus: Shen C-Z, Lü J-C, Liu S, M. Kundrát, S.L. Brusatte & Gao H-L, 2017
Damalasaurus: Zhao X, 1983 [nomen nudum]
Dandakosaurus: P. Yadagiri, 1982 [nomen dubium]
Danubiosaurus: E. Bunzel, 1871 [nomen dubium; PSS → Struthiosaurus]
Daptosaurus: B. Brown vide D. Chure & McIntosh, 1989 [nomen nudum → Deinonychus]
Darwinsaurus: G.S. Paul, 2012
Dashanpusaurus: Peng G, Ye, Gao Y, Shu & Jiang S, 2005
Daspletosaurus: D.A. Russell, 1970 [PSS → Albertosaurus]
Datai: Xing L, Niu K-C, J. Mallon & T. Miyashita, 2024
Datanglong: Mo J, Zhou F, Li G-N, Huang Z & Cao C-Y, 2014
Datonglong: Xu S-C, You H-L, Wang J-W, Wang S-Z, Yi J. & Jia L, 2015
Datousaurus: Dong Z-M & Tang Z, 1984
Daurlong: Wang X, Cau A, Guo B, Ma F, Qing G & Liu Y-C, 2022
Daurosaurus: V.R. Alifanov & S.V. Saveliev, 2014 [PSS → Kulindadromeus]
Daxiatitan: You H-L, Li D-Q, Zhou L. & Ji Q, 2008
Deinocheirus: H. Osmólska & Roniewicz, 1970
Deinodon: J. Leidy, 1856 [nomen dubium; PSS → Albertosaurus]
Deinonychus: J.H. Ostrom, 1969
Delapparentia: J.I. Ruíz-Omeñaca, 2011
Deltadromeus: P.C. Sereno, Duthiel, Iarochene, H.C.E. Larsson, Lyon, Magwene, C.A. Sidor, D.J. Varricchio & J.A. Wilson, 1996
Demandasaurus: F.T. Fernández-Baldor, J.I. Canudo, P. Huerta, D. Montero, X. Pereda-Suberbiola & L. Salgado, 2010
Denversaurus: R.T. Bakker, 1988
Diabloceratops: J.I. Kirkland & D.D. DeBlieux, 2010
Diamantinasaurus: S.A. Hocknull, M.A. White, T.R. Tischler, A.G. Cook, N.D. Calleja, T. Sloan & D.A. Elliott, 2009
Diceratops: Lull vide Hatcher, 1905 / Foerster, 1868 → Diceratus (unnecessary) & Nedoceratops
Diceratus: O. Mateus, 2008 [JOS → Nedoceratops]
Diclonius: E.D. Cope, 1876 [nomen dubium]
Dicraeosaurus: Janensch, 1914
Didanodon: H.F. Osborn, 1902 [nomen dubium; PSS → Lambeosaurus]
Dilong (genus also refers to a mythological Earth Dragon): Xu X, M.A. Norell, Kuang, Wang X-L, Zhao Q. & Jia C, 2004
Dilophosaurus: Welles, 1970
Diluvicursor: M.C. Herne, A.M. Tait, V. Weisbecker, M. Hall, J.P. Nair, M. Cleeland & S.W. Salisbury, 2018
Dimodosaurus: Pidancet & Chopard, 1862 [nomen dubium; PSS → Plateosaurus]
Dineobellator: S.E. Jasinski, R.M. Sullivan & P. Dodson, 2020
Dinheirosaurus: J.F. Bonaparte & O. Mateus, 1999
Dinodocus: R. Owen, 1884 [nomen dubium]
Dinosaurus: L. Rütimeyer, 1856 / Fischer von Waldheim, 1847 → Gresslyosaurus
Dinotyrannus: G. Olshevsky vide G. Olshevsky, Ford & Yamamoto, 1995 [JSS → Tyrannosaurus]
Diodorus: C.F. Kammerer, S.J. Nesbitt & N.H. Shubin, 2011
Diplodocus: O.C. Marsh, 1878
Diplotomodon: J. Leidy, 1868 [nomen dubium; PSS → Dryptosaurus]
Diracodon: O.C. Marsh, 1881 [nomen dubium; PSS → Stegosaurus]
Dolichosuchus: F. von Huene, 1932 [nomen dubium]
Dollodon: G.S. Paul, 2008 [PSS → Mantellisaurus]
Domeykosaurus: D. Rubilar-Rogers (as Rubilar) & Vargas vide [Anonymous], 2003 [nomen nudum; in May 29, 2003 Reuters news reports]
Dongbeititan: Wang X-R, You H-L, Meng Q, Gao C, Chang X. & Liu J-Y, 2007
Dongshengosaurus: Pan R, 2015 [nomen ex dissertatione]
Dongyangopelta: Chen R, Zheng W, Y. Azuma, M. Shibata, Lou, Jin Q & Jin X, 2013 [PSS → Zhejiangosaurus]
Dongyangosaurus: Lü J-C, Y. Azuma, Chen R, Zheng W. & Jin X, 2008
Doryphorosaurus: F. Nopcsa, 1916 [JOS → Kentrosaurus]
Draconyx: O. Mateus & Telles Antunes, 2001
Dracopelta: P.M. Galton, 1980
Dracoraptor: D.M. Martill, S.U. Vidovic, C. Howells & J.R. Nudds, 2016
Dracorex: R.T. Bakker, R. Sullivan, Porter, P.L. Larson & Saulsbury, 2006 [PSS → juvenile Pachycephalosaurus]
Dracovenator: A.M. Yates, 2006 [for 2005]
Dravidosaurus: P. Yadagiri & K. Ayyasami, 1979
Dreadnoughtus: K.J. Lacovara, M.C. Lamanna, L.M. Ibiricu, J.C. Poole, E.R. Schroeter, P.V. Ullmann, K.K. Voegele, Z.M. Boles, A.M. Carter, E.K. Fowler, V.M. Egerton, A.E. Moyer, C.L. Coughenour, J.P. Schein, J.D. Harris, R.D. Martínez & F.E. Novas, 2014
Drinker: R.T. Bakker, P.M. Galton, Siegwarth & Filla, 1990 [PSS → Nanosaurus]
Dromaeosauroides: P. Christiansen & Bonde, 2003
Dromaeosaurus: Matthew & B. Brown, 1922
Dromiceiomimus: D.A. Russell, 1972
Dromicosaurus: van Hoepen, 1920 [JSS → Massospondylus]
Dromomeron: R.B. Irmis, S.J. Nesbitt, Padian, N.D. Smith, A.H. Turner, Woody & A. Downs, 2007
Drusilasaura: C. Navarrete, G.A. Casal & R.D. Martínez, 2011
Dryosaurus: O.C. Marsh, 1894
Dryptosauroides: F. von Huene & Matley, 1933 [nomen dubium]
Dryptosaurus: O.C. Marsh, 1877
Dubreuillosaurus: R. Allain, 2005
Duriatitan: P.M. Barrett, R.B.J. Benson & P. Upchurch, 2010
Duriavenator: R.B.J. Benson, 2008
Dynamosaurus: H.F. Osborn, 1905 [JSS → Tyrannosaurus]
Dynamoterror: A.T. McDonald, D.G. Wolfe & A.C. Dooley Jr, 2018
Dyoplosaurus: Parks, 1924
Dysalotosaurus: Virchow, 1919 [JSS → Dryosaurus]
Dysganus: E.D. Cope, 1876 [nomen dubium]
Dyslocosaurus: McIntosh, Coombs & D.A. Russell, 1992
Dystrophaeus: E.D. Cope, 1877
Dystylosaurus: J.A. Jensen, 1985 [JSS → Supersaurus]
Dzharaonyx: A.O. Averianov & H-D Sues, 2022
Dzharatitanis: A.O. Averianov & H-D Sues, 2021

Echinodon: R. Owen, 1861
Edmarka: R.T. Bakker, Kralis, Siegwarth & Filla, 1992
Edmontonia: C.M. Sternberg, 1928
Edmontosaurus: Lambe, 1917
Efraasia: P.M. Galton, 1973
Einiosaurus: S.D. Sampson, 1995
Ekrixinatosaurus: J.O. Calvo, D. Rubilar-Rogers & Moreno, 2004
Elaltitan: P.D. Mannion & A. Otero, 2012
Elaphrosaurus: Janensch, 1920
Elemgasem: M.A. Baiano, D. Pol, F. Bellardini, G.J. Windholz, I.A. Cerda, A.C. Garrido & R.A. Coria, 2022
Elmisaurus: H. Osmólska, 1981
Elosaurus: Peterson & Gilmore, 1902 [JSS → Apatosaurus]
Elrhazosaurus: P.M. Galton, 2009
Elvisaurus: Holmes, 1993 [nomen nudum → Cryolophosaurus]
Emausaurus: Haubold, 1990
Embasaurus: Riabinin, 1931 [nomen dubium]
Enigmosaurus: R. Barsbold & A. Perle vide R. Barsbold, 1983 [JSS → Erlikosaurus]
Eoabelisaurus: D. Pol & O.W.M. Rauhut, 2012
Eobrontosaurus: R.T. Bakker, 1998
Eocarcharia: P.C. Sereno & S.L. Brusatte, 2008
Eoceratops: Lambe, 1915 [PSS → Chasmosaurus]
Eocursor: R.J. Butler, R.M.H. Smith & D.B. Norman, 2007
Eodromaeus: R.N. Martínez, P.C. Sereno, O.A. Alcober, C.E. Colombi, P.R. Renne, I.P. Montañez & B.S. Currie, 2011
"Eohadrosaurus": J.I. Kirkland, 1997 [nomen nudum → Eolambia]
Eolambia: J.I. Kirkland, 1998
Eomamenchisaurus: Lü J-C, Li T-G, Zhong S, Ji Q. & Li S-X, 2008
Eoneophron: K.L. Atkins-Weltman, D.J. Simon, H.N. Woodward, G.F. Funston & E. Snively, 2024
Eoplophysis: R.E. Ulansky, 2014
Eoraptor: P.C. Sereno, C.A. Forster, R.R. Rogers & Monetta, 1993
Eosinopteryx: P. Godefroit, H. Demuynck, G. Dyke, Hu D, F. Escuillié & P. Claeys, 2013 [possible bird]
Eotrachodon: A. Prieto-Márquez, G.M. Erickson & J.A. Ebersole, 2016
Eotriceratops: Wu X-C, D. Brinkman, D.A. Eberth & D.R. Braman, 2007
Eotyrannus: S. Hutt, D. Naish, D.M. Martill, Barker & Newberry, 2001
Eousdryosaurus: F. Escaso, F. Ortega, P. Dantas, E. Malafaia, B. Silva, J.M. Gasulla, P. Mocho, I. Narváez & J.L. Sanz, 2014
Epachthosaurus: J.E. Powell, 1990
Epanterias: E.D. Cope, 1878 [nomen dubium; PSS → Allosaurus or Saurophaganax]
Epichirostenotes: R.M. Sullivan, S.E. Jasinski & M.P.A. Van Tomme, 2011
Epidendrosaurus: Zhang F, Zhou Z, Xu X. & Wang X-L, 2002 [JOS → Scansoriopteryx]
Epidexipteryx: Zhang F, Zhou Z, Xu X, Wang X-L & C. Sullivan, 2008
Equijubus: You H-L, Luo, Shubin, Witmer, Tang Z. & Tang F, 2003
Erectopus: F. von Huene, 1922
Erketu: Ksepka & M.A. Norell, 2006
Erliansaurus: Xu X, Zhang X.H, P.C. Sereno, Zhao X, Kuang, Han J. & Tan L, 2002
Erlikosaurus: A. Perle vide R. Barsbold & A. Perle, 1980
Erythrovenator: R.T. Müller, 2020
Eshanosaurus: Xu X, Zhau X. & J.M. Clark, 2001
Euacanthus: R. Owen vide Tennyson, 1897 [nomen nudum; JOS → Polacanthus]
Eucamerotus: J.W. Hulke, 1872 [nomen dubium]
Eucentrosaurus: D. Chure & McIntosh, 1989 [JOS → Centrosaurus]
Eucercosaurus: H.G. Seeley, 1879 [nomen dubium; PSS → Acanthopholis]
Eucnemesaurus: van Hoepen, 1920
Eucoelophysis: R. Sullivan & S.G. Lucas, 1999
Eugongbusaurus: F. Knoll, 1999
Euhelopus: Romer, 1956
Euoplocephalus: Lambe, 1910
Eureodon: B. Brown vide G. Olshevsky, 1991 [nomen nudum → Tenontosaurus]
Euronychodon: Telles Antunes & Sigogneau-Russell, 1991
Europasaurus: O. Mateus, Laven & Knötschke vide P.M. Sander, O. Mateus, Laven & Knötschke, 2006
Europatitan: F.T. Fernández-Baldor, J.I. Canudo, P. Huerta, M. Moreno-Azanza & D. Montero, 2017
Europelta: J.I. Kirkland, L. Alcalá, M.A. Loewen, E. Espílez, L. Mampel & J.P. Wiersma, 2013
Euskelosaurus: T.H. Huxley, 1866
Eustreptospondylus: A.D. Walker, 1964

Fabrosaurus: Ginsburg, 1964 [nomen dubium]
Falcarius: J.I. Kirkland, L.E. Zanno, S.D. Sampson, J.M. Clark & D.D. DeBlieux, 2005
Fenestrosaurus: H.F. Osborn, 1924 [nomen nudum → Oviraptor]
Ferganasaurus: V.R. Alifanov & A.O. Averianov, 2003
Ferganastegos: R.E. Ulansky, 2014
Ferganocephale: A.O. Averianov, T. Martin & Bakirov, 2005
Ferrisaurus: V.M. Arbour & D.C. Evans, 2019
Foraminacephale: R.K. Schott & D.C. Evans, 2016
Fosterovenator: S.G. Dalman, 2014
Fostoria: P.R. Bell, T. Brougham, M.C. Herne, T. Frauenfelder & E.T. Smith, 2019
Frenguellisaurus: F.E. Novas, 1986 [JSS → Herrerasaurus]
Fruitadens: R.J. Butler, P.M. Galton, L.B. Porro, L.M. Chiappe, D.M. Henderson & G.M. Erickson, 2009
Fukuiraptor: Y. Azuma & P.J. Currie, 2000
Fukuisaurus: Y. Kobayashi & Y. Azuma, 2003
Fukuititan: Y. Azuma & M. Shibata, 2010
Fukuivenator: Y. Azuma, Xu X, M. Shibata, S. Kawabe, K. Miyata & T. Imai, 2016
Fulengia: Carroll & P.M. Galton, 1977 [JSS → Lufengosaurus]
Fulgurotherium: F. von Huene, 1932
Furcatoceratops: H. Ishikawa, T. Tsuihiji & M. Manabe, 2023
Fushanosaurus: Wang X-R, Wu W-H, Li T, Ji Q, Li Y-X. & Guo J-F, 2019
Fusinasus: S. Hutt, 2002 [nomen nudum → Eotyrannus]
Fusuisaurus: Mo, Wang W, Huang Z, Huang X. & Xu X, 2006
Futalognkosaurus: J.O. Calvo, J.D. Porfiri, B.J. González-Riga & A.W.A. Kellner, 2007
Fylax: A. Prieto-Márquez, M.A. Carrera Farias, 2021

Gadolosaurus: Saito, 1979 [nomen nudum, possilbe misspelling of Hadrosaurus]
Galeamopus: E. Tschopp, O.V. Mateus & R.J.B. Benson, 2015
Galleonosaurus: M.C. Herne, J.P. Nair, A.R. Evans, & A.M. Tait, 2019
Gallimimus: H. Osmólska, Roniewicz & R. Barsbold, 1972
Galveosaurus: Sánchez-Hernández, 2005
Galvesaurus: J.L. Barco, J.I. Canudo, G. Cuenca-Bescós & J.I. Ruíz-Omeñaca, 2005 [JOS → Galveosaurus]
Gandititan: Han F-G, Yang L, Lou F, C. Sullivan, Xu X, Qiu W-J, Liu H-F, Yu J, Wu R, Ke Y-H, Xu M-Y, Hu J-F & Lu P, 2024
Gannansaurus: Lü J-C, Yi L-P, Zhong H & Wei X-F, 2013
Gansutitan: You H-L, Li D-Q, Zhou L. & Ji Q, 2008 [nomen nudum → Daxiatitan]
Ganzhousaurus: Wang S, Sun C, C. Sullivan & Xu X, 2013
Gargantuavis: E. Buffetaut & J. LeLoeuff, 1998 [described as avian, possibly theropod]
Gargoyleosaurus: K. Carpenter, C.A. Miles & K. Cloward, 1998
Garrigatitan: V.D. Díaz, G. Garcia, X.P. Suberbiola, B. Jentgen-Ceschino, K. Stein, P. Godefroit & X. Valentin, 2020
Garudimimus: R. Barsbold, 1981
Garumbatitan: P. Mocho, F. Escaso, J.M. Gasulla, À. Galobart, B. Poza, A. Santos-Cubedo, J.L. Sanz & F. Ortega, 2023
Gasosaurus: Dong Z-M, 1985
Gasparinisaura: R.A. Coria & L. Salgado, 1996
Gastonia (genus also refers to a plant): J.I. Kirkland, 1998
Gavinosaurus: Kelly, 1998 [nomen nudum → Eotyrannus]
Geminiraptor: P. Senter, J.I. Kirkland, J. Bird & J.A. Bartlett, 2010
Genusaurus: Accarie, Beaudoin, Dejax, Fries, Michard & P. Taquet, 1995
Genyodectes: Woodward, 1901
Geranosaurus: R. Broom, 1911
Gideonmantellia: J.I. Ruiz-Omeñaca, J.I. Canudo, G. Cuenca-Bescós, P. Cruzado-Caballero, J.M. Gasca & M. Moreno-Azanza, 2012
Gigantoraptor: Xu X, Tan Q, Wang J, Zhao X. & Tan L, 2007
Giganotosaurus: R.A. Coria & L. Salgado, 1995
Gigantosaurus: H.G. Seeley, 1869 [nomen dubium; PSS → Pelorosaurus]
Gigantosaurus: E. Fraas, 1908 / H.G. Seeley, 1869 → Tornieria
Gigantoscelus: van Hoepen, 1916 [JSS → Euskelosaurus]
Gigantspinosaurus: Ouyang H, 1992
Gilmoreosaurus: M.K. Brett-Surman, 1979
Ginnareemimus: Kaneko, 2000 [nomen nudum → Kinnareemimus]
Giraffatitan: G.S. Paul, 1988
Glacialisaurus: N.D. Smith & D. Pol, 2007
Glishades: A. Prieto-Márquez, 2010 [nomen dubium; juvenile]
Glyptodontopelta: Ford, 2000
Gnathovorax: C. Pacheco, R.T. Müller, M. Langer, F.A. Pretto, L. Kerber & S. Dias da Silva, 2019
Gobiceratops: V.R. Alifanov, 2008 [PSS → Bagaceratops (adolescent ?)]
Gobihadros: Tsogtbaatar K, D.B. Weishampel, D.C. Evans & M. Watabe, 2019
Gobiraptor: Lee S, Lee Y-N, A. Chinsamy, Lü J, R. Barsbold & Tsogtbaatar K, 2019
Gobisaurus: Vickaryous, A.P. Russell, P.J. Currie & Zhao X, 2001
Gobititan: You H-L, Tang F. & Luo, 2003
Gobivenator: T. Tsuihiji, R. Barsbold, M. Watabe, Tsogtbaatar K, T. Chinzorig, Y. Fujiyama, S. Suzuki, 2014
Godzillasaurus: Ikejiri, 2003 [nomen nudum; JOS → Gojirasaurus (misspelled)]
Gojirasaurus: K. Carpenter, 1997
Gondwanatitan: A.W.A. Kellner & Azevedo, 1999
Gongbusaurus: Dong Z-M, Zhou S. & Zhang Y-H, 1983
Gongpoquansaurus: You H-L, Li D-Q & P. Dodson, 2014
Gongxianosaurus: He X, Wang C, Liu S, Zhou F, Liu T, Cai & Dai B, 1998
Gonkoken: J. Alarcón-Muñoz, A.O. Vargas, H.P. Püschel, S. Soto-Acuña, L. Manríquez, M. Leppe, J. Kaluza, V. Milla, C.S. Gutstein, J. Palma-Liberona, W. Stinnesbeck, E. Frey, J.P. Pino, D. Bajor, E. Núñez, H. Ortiz, D. Rubilar-Rogers & P. Cruzado-Caballero, 2023
Gorgosaurus: Lambe, 1914 [PSS → Albertosaurus]
Goyocephale: A. Perle, T. Maryanska & H. Osmólska, 1982
Graciliceratops: P.C. Sereno, 2000
Graciliraptor: Xu X. & Wang X-L, 2004
Gravisaurus: Chabli vide D.B. Norman, 1989 [nomen nudum → Lurdusaurus]
Gravitholus: Wall & P.M. Galton, 1979 [nomen dubium]
Gremlin: M.J. Ryan, L. Micucci, H. Rizo, C. Sullivan, Lee Y-N & D.C. Evans, 2023
Gresslyosaurus: L. Rütimeyer, 1856 [PSS → Plateosaurus]
"Gripposaurus": P.M. Barrett, P. Upchurch, Zhou X. & Wang X, 2007 [nomen nudum]
Gryphoceratops: M.J. Ryan, D.C. Evans, P.J. Currie, C.M. Brown & D. Brinkman, 2012
Gryphognathus (name, Griphognathus, also refers to a lungfish): M.J. Ryan, D.C. Evans, P.J. Currie, C.M. Brown & D. Brinkman, 2011 [nomen manuscriptum → Gryphoceratops]
Gryponyx: R. Broom, 1911 [JSS → Massospondylus]
Gryposaurus: Lambe, 1914
Gspsaurus: M.S. Malkani, 2014
Guaibasaurus: J.F. Bonaparte, Ferigolo & A. Ribeiro, 1999
Gualicho: S. Apesteguía, N.D. Smith, R.D. Juárez-Valieri & P.J. Makovicky, 2016
Guanlong: Xu X, J.M. Clark, C.A. Forster, M.A. Norell, G.M. Erickson, D.A. Eberth, Jia C. & Zhao Q, 2006
Guemesia: F.L. Agnolín, M.A. Cerroni, A. Scanferla, A. Goswami, A. Paulina-Carabajal, T. Halliday, A.R. Cuff & S. Reuil, 2022
Gyposaurus: R. Broom, 1911 [JSS → Massospondylus]

"Hadrosauravus": Lambert, 1990 [nomen nudum → Gryposaurus]
Hadrosaurus: J. Leidy, 1859 [nomen dubium]
Haestasaurus: P. Upchurch, P.D. Mannion & M.P. Taylor, 2015
Hagryphus: L.E. Zanno & S.D. Sampson, 2005
Halszkaraptor: A. Cau, V. Beyrand, D.F.A.E. Voeten, V. Fernandez, P. Tafforeau, K. Stein, R. Barsbold, Tsogtbaatar K, P.J. Currie & P. Godefroit, 2017
Halticosaurus: F. von Huene, 1908 [nomen dubium]
Hamititan: Wang X-L, K.L.N. Bandeira, Qiu R, Jiang S-X, Cheng X, Ma Y-X & A.W.A. Kellner, 2021
Hanssuesia: R. Sullivan, 2003
"Hanwulosaurus": [Anonymous] 2001 [nomen nudum; in Xinhua News Service news articles]
Haplocanthosaurus: Hatcher, 1903
Haplocanthus: Hatcher, 1903 / L. Agassiz, 1845 → Haplocanthosaurus
Haplocheirus: J.N. Choiniere, Xu X, J.M. Clark, C.A. Forster, Guo Y. & Han F, 2010
Harpymimus: R. Barsbold & A. Perle, 1984
Haya: P.J. Makovicky, B.M. Kilbourne, R.W. Sadleir & M.A. Norell, 2011
Hecatasaurus: B. Brown, 1910 [JOS → Telmatosaurus]
Heilongjiangosaurus: Li W. & Jin J, 2001 [nomen nudum]
Heishansaurus: B. Bohlin, 1953 [nomen dubium]
Helioceratops: Jin L-Y, Chen J, Zan S. & P. Godefroit, 2009
Helopus: Wiman, 1929 / J.G. Wagler, 1832 → Euhelopus
Heptasteornis: C.J.O. Harrison & C.A. Walker, 1975 [nomen dubium; PSS → Elopteryx]
Herrerasaurus: Reig, 1963
Hesperonychus: N.R. Longrich & P.J. Currie, 2009
Hesperonyx: F.M. Rotatori, L. Ferrari, C. Sequero, B. Camilo, O. Mateus & M. Moreno-Azanza, 2024
Hesperornithoides: S. Hartman, M. Mortimer, W.R. Wahl, D.R. Lomax, J. Lippincott & D.M. Lovelace, 2019
Hesperosaurus: K. Carpenter, C.A. Miles & K. Cloward, 2001
Heterodontosaurus: Crompton & A.J. Charig, 1962
Heterosaurus: Cornuel, 1850 [JSS → Iguanodon]
Hexing: Jin L-Y, Chen J. & P. Godefroit, 2012
Hexinlusaurus: P.M. Barrett, R.J. Butler & F. Knoll, 2005
Heyuannia: Lü J-C, 2003
Hierosaurus: Wieland, 1909
Hikanodon: G. Mantell vide J. Nöggerath, 1826 [JOS → Iguanodon]
Hippodraco: A.T. McDonald, J.I. Kirkland, D.D. DeBlieux, S.K. Madsen, J. Cavin, A.R.C. Milner & L. Panzarin, 2010
"Hironosaurus": Hisa, 1988 [nomen nudum]
"Hisanohamasaurus": Lambert, 1990 [nomen nudum]
Histriasaurus: F.M. Dalla Vecchia, 1998
Homalocephale: T. Maryanska & H. Osmólska, 1974
Honghesaurus: [Anonymous], 1981 [nomen nudum → Yandusaurus]
Hongshanosaurus: You H-L, Xu X. & Wang X-L, 2003
Hoplitosaurus: F.A. Lucas, 1902
Hoplosaurus: H.G. Seeley, 1881 [nomen dubium; PSS → Struthiosaurus]
Horshamosaurus: W.T. Blows, 2015
Hortalotarsus: H.G. Seeley, 1894 [JSS → Massospondylus]
Huabeisaurus: Pang & Cheng Z, 2000
Hualianceratops: Han F, C.A. Forster, J.M. Clark & Xu X, 2015
Huallasaurus: S. Rozadilla, F. Brissón-Eglí, F.L. Agnolín, A.M. Aranciaga-Rolando & F.E. Novas, 2022
Huanansaurus: Lü J-C, Pu H-Y, Y. Kobayashi, Xu L, Chang H, Shang Y-H, Liu D, Lee Y-N, M. Kundrát & Shen C, 2015
Huanghetitan: You H-L, Li D-Q, Zhou L. & Ji Q, 2006
Huangshanlong: Huang J-D, You H-L, Yang J-T & Ren X-X, 2014
Huaxiagnathus: Hwang, M.A. Norell, Ji Q. & Gao K-Q, 2004
Huaxiaosaurus: Zhao X, Wang K. & Li D-J, 2011 [PSS → Shantungosaurus]
"Huaxiasaurus": Rey, 2002 [nomen nudum → Huaxiagnathus]
Huayangosaurus: Dong Z-M, Tang Z. & Zhou S, 1982
Hudiesaurus: Dong Z-M, 1997
Huehuecanauhtlus: A.A. Ramírez-Velasco. M. Benammi, A. Prieto-Márquez, J.A. Ortega & R. Hernández-Rivera, 2012
Huinculsaurus: M.A. Baiano, R.A. Coria & A. Cau, 2020
Hulsanpes: H. Osmólska, 1982
Hungarosaurus: Ösi A, 2005
Huxleysaurus: G.S. Paul, 2012
Hylaeosaurus: G. Mantell, 1833
Hylosaurus: L.J. Fitzinger, 1840 [JOS → Hylaeosaurus]
Hypacrosaurus: B. Brown, 1913
Hypselosaurus: Matheron, 1869
Hypselospinus: D.B. Norman, 2010
Hypsibema: E.D. Cope, 1869 [nomen dubium]
Hypsilophodon: T.H. Huxley, 1869
Hypsirophus: E.D. Cope, 1878 [nomen dubium; PSS → Stegosaurus]

Iani: L.E. Zanno, T.A. Gates, H.M. Avrahami, R.T. Tucker & P.J. Makovicky, 2023
Iberospinus: O. Mateus & D. Estraviz-López, 2022
Ibirania: B.A. Navarro, A.M. Ghilardi, T. Aureliano, V. Díez Díaz, K.L.N. Bandeira, A.G.S. Cattaruzzi, F.V. Iori, A.M. Martine, A.B. Carvalho, L.E. Anelli, M.A. Fernandes & H. Zaher, 2022
"Ichabodcraniosaurus": Novacek, 1996 [nomen nudum]
Ichthyovenator: R. Allain, T. Xaisanavong, P. Richir & B. Khentavong, 2012
Igai: E. Gorscak, M.C. Lamanna, D. Schwarz, V. Díez Díaz, B.S. Salem, H.M. Sallam & M.F. Wiechmann, 2023
Ignavusaurus: F. Knoll, 2010 [PSS → Massospondylus]
Ignotosaurus: R.N. Martínez, C. Apaldetti, O.A. Alcober, C.E. Colombi, P.C. Sereno, E. Fernandez, P.S. Malnis, G.A. Correa & D. Abelin, 2013
Iguanacolossus: A.T. McDonald, J.I. Kirkland, D.D. DeBlieux, S.K. Madsen, J. Cavin, A.R.C. Milner & L. Panzarin, 2010
Iguanodon: G. Mantell, 1825
"Iguanoides": Conybeare vide Cadbury, 2000 [nomen nudum → Iguanodon]
Iguanosaurus: [Anonymous], 1824 [nomen nudum → Iguanodon]
Iliosuchus: F. von Huene, 1932
Ilokelesia: R.A. Coria & L. Salgado,2000 (not 1998)
Imperobator: R.C. Ely & J.A. Case, 2019
Inawentu: L.S. Filippi, R.D. Juárez Valieri, P.A. Gallina, A.H. Méndez, F.A. Gianechini & A.C. Garrido, 2023 (announced), 2024 (published)
Incisivosaurus: Xu X, Cheng Y, Wang X-L & Chang C, 2002 [PSS → Protarchaeopteryx]
Indosaurus: F. von Huene & Matley, 1933
Indosuchus: F. von Huene & Matley, 1933
Ingenia (genus also refers to a marine Nematode): R. Barsbold, 1981 / Gerlach, 1957 → Heyuannia
Ingentia: C. Apaldetti, R.N. Martínez, I.A. Cerda, D. Pol & O. Alcober, 2018
Inosaurus: de Lapparent, 1960 [nomen dubium]
Invictarx: A.T. McDonald & D.G. Wolfe, 2018
Irisosaurus: C. Peyre de Fabrègues, Bi S-D, Li H-Q, Li G, Yang L. & Xu X, 2020
Irritator: D.M. Martill, Cruickshank, Frey, P.G. Small & M. Clarke, 1996
Isaberrysaura: L. Salgado, J.I. Canudo, A.C. Garrido, M. Moreno-Azanza, L.C.A. Martínez, R.A. Coria & J.M. Gasca, 2017
Isanosaurus: E. Buffetaut, V. Suteethorn, Cuny, Tong H, J. LeLoeuff, Khansubha & Jongautchariyakul, 2000
Isasicursor: F.E. Novas, F.L. Agnolín, S. Rozadilla, A.M. Aranciaga-Rolando, F. Brissón-Eglí, M.J. Motta, M.A. Cerroni, M.D. Ezcurra, A.G. Martinelli, J.S. D'Angelo, G. Álvarez-Herrera, A.R. Gentil, S. Bogan, N.R. Chimento, J.A. García-Marsà, G. Lo Coco, S.E. Miquel, F.F. Brito, E.I. Vera, V.S. Perez Loinaze, M.S. Fernández & L. Salgado, 2019
Ischioceratops: He Y, P.J. Makovicky, Wang K, Chen S, C. Sullivan, Han F. & Xu X, 2015
Ischisaurus: Reig, 1963 [JSS → Herrerasaurus]
Ischyrosaurus: J.W. Hulke, 1874 vide R. Lydekker, 1888 / E.D. Cope, 1869
Isisaurus: J.A. Wilson & P. Upchurch, 2003
"Issasaurus": G. Maier, 2003 [nomen nudum → Dicraeosaurus]
Issi: V. Beccari, O. Mateus, O. Wings, J. Milàn & L.B. Clemmensen, 2021
Itapeuasaurus: R.M. Lindoso, M.A.A. Medeiros, I. Carvalho, A.A. Pereira, I.D. Mendes, F.V. Iori, E.P. Sousa, S.H.S. Arcanjo & T.C.M. Silva, 2019
Itemirus: S.M. Kurzanov, 1976
Iuticosaurus: J. LeLoeuff, 1993 [nomen dubium]
Ixalerpeton: S.F. Cabreira, A.W.A. Kellner, S. Dias-da-Silva, L.R. da Silva, M. Bronzati, J.C. de Almeida Marsola, R. Temp Müller, J. de Souza Bittencourt, B.J.A. Batista, T. Raugust, R. Carrilho, A. Brodt & M.C. Langer, 2016
Iyuku: C.A. Forster, W.J. de Klerk, K.E. Poole, A. Chinsamy-Turan, E.M. Roberts & C.F. Ross, 2022

Jaculinykus: K. Kubo, Y. Kobayashi, T. Chinzorig & K. Tsogtbaatar, 2023
Jainosaurus: A.P. Hunt, Lockley, S.G. Lucas & C. Meyer, 1995 (not 1994) [nomen dubium; PSS → Titanosaurus]
Jakapil: F.J. Riguetti, S. Apesteguía & X. Pereda-Suberbiola, 2022 [nomen nudum]
Jaklapallisaurus: F.E. Novas, M.D. Ezcurra, S. Chatterjee & T.S. Kutty, 2011
Janenschia: Wild, 1991
Jaxartosaurus: Riabinin, 1937 [nomen dubium]
Jeholornis: Zhou Z. & Zhang F, 2002 [JSS → Shenzhouraptor; possible bird]
Jeholosaurus: Xu X, Wang X-L & You H-L, 2000
Jenghizkhan: G. Olshevsky vide G. Olshevsky, Ford & Yamamoto, 1995 [JSS → Tarbosaurus]
Jensenosaurus: G. Olshevsky vide B.D. Curtice, K. Stadtman & L.J. Curtice, 1996 [nomen nudum → Ultrasauros; JSS → Supersaurus]
Jeyawati: A.T. McDonald, D.G. Wolfe & J.I. Kirkland, 2010
Jianchangosaurus: Pu H-Y, Y. Kobayashi, Lü J-C, Xu L, Wu Y, Chang H, Zhang J-M & Jia S, 2013
"Jiangjunmiaosaurus": [Anonymous], 1987 [nomen nudum → Monolophosaurus & Sinraptor]
Jiangjunosaurus: Jia C, C.A. Forster (as Foster), Xu X. & J.M. Clark, 2007
Jiangshanosaurus: Tang F, Kang, Jin X, Wei F. & Wu W-T, 2001
Jiangxisaurus: Wei X-F, Pu J-Y, Xu L, Liu D & Lü J-C, 2013
Jiangxititan: Mo J-Y, Fu Q-Y, Yu Y-L & Xu X, 2023
Jianianhualong: Xu X, P.J. Currie, M. Pittman, Xing L, Meng Q, Lü J-C, Hu D. & Yu C, 2017
Jinbeisaurus: Wu X-C, Shi J-R, Dong L-Y, T.D. Carr, Yi J & Xu S-C, 2019
Jinfengopteryx: Ji Q, Ji S, Lü J-C, You H-L, Chen W, Liu Y-Q & Liu Y-X, 2005
Jingia (genus also refers to a moth, 1983): Ren X-X, Wang X-R, Ji Y-N, Guo Z. & Ji Q, 2024
Jingshanosaurus: Zhang Y-H & Yang Z-L, 1995
Jintasaurus: You H-L & Li D-Q, 2009
Jinyunpelta: Zheng W, Jin X-S, Y. Azuma, Wang Q-Y, K. Miyata & Xu X, 2018
Jinzhousaurus: Wang X-L & Xu X, 2001
Jiutaisaurus: Wu W-H, Dong Z-M, Sun Y, Li C. & Li T, 2006
Jixiangornis: Ji Q, Ji S, Zhang H, You H-L, Zhang J-P, Wang L, Yuan & Ji X, 2002 [possible bird]
Jobaria: P.C. Sereno, Beck, D.B. Dutheil, H.C.E. Larsson, Lyon, Moussa, R.W. Sadleir, C.A. Sidor, D.J. Varricchio, G.P. Wilson & J.A. Wilson, 1999
Jubbulpuria: F. von Huene & Matley, 1933 [nomen dubium]
Judiceratops: N.R. Longrich, 2013
"Jurassosaurus": Dong Z-M vide Holden, 1992 [nomen nudum → Tianchisaurus]
Juratyrant: S.L. Brusatte & R.B.J. Benson, 2012
Juravenator: Göhlich & L.M. Chiappe, 2006

Kaatedocus: E. Tschopp & O. Mateus, 2012
"Kagasaurus": Hisa, 1988 [nomen nudum]
Kaijiangosaurus: He X, 1984
Kaijutitan (genus, Kaiju Titan, also refers to Japanese movie monsters): L.S. Filippi, L. Salgado & A.C. Garrido, 2019
Kakuru: R.E. Molnar & N.S. Pledge, 1980
Kamuysaurus: Y. Kobayashi, T. Nishimura, R. Takasaki, K. Chiba, A.R. Fiorillo, K. Tanaka, Chinzorig T, T. Sato & K. Sakurai, 2019
Kangnasaurus: Haughton, 1915
Kansaignathus: A.O. Averianov & A.V. Lopatin, 2021
Karongasaurus: Gomani, 2005 [electronically published]
Katepensaurus: L.M. Ibiricu, G.A. Casal, R.N.D. Martínez, M.C. Lamanna, M. Luna & L. Salgado, 2013
"Katsuyamasaurus": Lambert, 1990 [nomen nudum → Fukuiraptor]
Kayentavenator: R. Gay, 2010
Kazaklambia: P.R. Bell & K.S. Brink, 2013
Kelmayisaurus: Dong Z-M, 1973
Kelumapusaura: S. Rozadilla, F. Brissón-Eglí, F.L. Agnolín, A.M. Aranciaga-Rolando & F.E. Novas, 2022
Kemkemia: A. Cau & S. Maganuco, 2009
Kentrosaurus: Hennig, 1915 / Lambe, 1904 → Kentrurosaurus & Doryphorosaurus
Kentrurosaurus: Hennig, 1916 [JOS → Kentrosaurus]
Kerberosaurus: Y.L. Bolotsky & P. Godefroit, 2004
Khaan: J.M. Clark, M.A. Norell & R. Barsbold, 2001
Khetranisaurus: M.S. Malkani, 2006
Kholumolumo: C. Peyre de Fabrègues & R. Allain, 2020
Kholumolumosaurus: F.X. Gauffre, 1996 [nomen ex dissertatione → Kholumolumo]
Khulsanurus: A.O. Averianov & A.V. Lopatin, 2021
Kileskus: A.O. Averianov, S.A. Krasnolutskii & S.V. Ivantsov, 2010
Kinnareemimus: E. Buffetaut, V. Suteethorn & H. Tong, 2009
"Kitadanisaurus": Lambert, 1990 [nomen nudum]
Kittysaurus: Hargreaves, 2001 [nomen nudum → Eotyrannus]
Klamelisaurus: Zhao X, 1993
Kol (genus also refers to foot, köl in Mongolian): A.H. Turner, S.J. Nesbitt & M.A. Norell, 2009
Kongonaphon: C.F. Kammerer, S.J. Nesbitt, J.J. Flynn, L. Ranivoharimanana & A.R. Wyss, 2020 [possible basal dinosaur]
Koparion: D. Chure, 1994
Koreaceratops: Lee Y-N, M.J. Ryan & Y. Kobayashi, 2010
Koreanosaurus: H.M. Kim, 1979 [nomen nudum]
Koreanosaurus: Huh, Lee D-G, J.K. Kim, Lim & P. Godefroit, 2010
Koshisaurus: M. Shibata & Y. Azuma, 2015
Kosmoceratops: S.D. Sampson, M.A. Loewen, A.A. Farke, E.M. Roberts, C.A. Forster, J.A. Smith & A.L. Titus, 2010
Kotasaurus: P. Yadagiri, 1988
Koutalisaurus: A. Prieto-Márquez, R. Gaete, Rivas, À. Galobart & Boada, 2006 [PSS → Pararhabdodon]
Kritosaurus: B. Brown, 1910 [nomen dubium; PSS → Anasazisaurus, Gryposaurus, and/or Naashoibitosaurus]
Kryptops: P.C. Sereno & S.L. Brusatte, 2008
Kukufeldia: A.T. McDonald, P.M. Barrett & S.D. Chapman, 2010
Kulceratops: Nessov, 1995
Kulindadromeus: P. Godefroit, S.M. Sinitsa, D. Dhouailly, Y.L. Bolotsky, A.V. Sizov, M.E. McNamara, M.J. Benton & P. Spagna, 2014 [PSS → Daurosaurus or Kulindapteryx]
Kulindapteryx: V.R. Alifanov & S.V. Saveliev, 2014 [PSS → Kulindadromeus]
Kunbarrasaurus: L.G. Leahey, R.E. Molnar, K. Carpenter, L.M. Witmer & S.W. Salisbury, 2015
Kundurosaurus: P. Godefroit, Y.L. Bolotsky & P. Lauters, 2012
Kunmingosaurus: Zhao X. (as Chao S.), 1985
Kuru (genus also refers to a prion disease): J.G. Napoli, A.A. Ruebenstahl, B-A.S. Bhullar, A.H. Turner, & M.A. Norell, 2021
Kurupi: F.V. Iori, H.I. de Araújo-Júnior, S.A. Simionato Tavares, T. da Silva Marinho, A.G. Martinelli, 2021
Kwanasaurus: J.W. Martz & B.J. Small, 2019

Labocania: R.E. Molnar, 1974
Labrosaurus: O.C. Marsh, 1879 [JSS → Allosaurus]
Laelaps: E.D. Cope, 1866 / Koch, 1836 → Drytosaurus
Laevisuchus: F. von Huene & Matley, 1933 [nomen dubium]
Lagerpeton: Romer, 1971
Lagosuchus: Romer, 1971 [nomen dubium]
Laiyangosaurus: Zhang J-L, Wang X-L, Wang Q, Jiang S-X, Cheng X, Li N. & Qiu R, 2017
Lajasvenator: R.A. Coria, P.J. Currie, F. Ortega & M.A. Baiano, 2019
Lamaceratops: V.R. Alifanov, 2003 [PSS → Bagaceratops (adolescent ?)]
Lambeosaurus: Parks, 1923
Lametasaurus: Matley, 1923 [nomen dubium]
Lamplughsaura: T.S. Kutty, S. Chatterjee, P.M. Galton & P. Upchurch, 2007
Lanasaurus: Gow, 1975
Lancangosaurus: Zhao X. vide Dong Z-M, Zhou S. & Zhang Y-H, 1983 [nomen nudum → Datousaurus]
Lancanjiangosaurus: Zhao X, 1983 [nomen nudum]
Lanzhousaurus: You H-L, Ji Q & Li D-Q, 2005
Laosaurus: O.C. Marsh, 1878 [nomen dubium]
Lapampasaurus: R.A. Coria, B.J. González-Riga (as González Riga) & S. Casadío, 2012
Laplatasaurus: F. von Huene, 1929
Lapparentosaurus: J.F. Bonaparte, 1986
Laquintasaura: P.M. Barrett, R.J. Butler, R. Mundil, T.M. Scheyer, R.B. Irmis & M.R. Sánchez-Villagra, 2014
Latenivenatrix: A.J. van der Reest & P.J. Currie, 2017 [PSS → Polyodontosaurus, Troödon]
Latirhinus: A. Prieto-Márquez & C.I.S. Brañas, 2012
Lavocatisaurus: J.I. Canudo, J.L. Carballido, A.C. Garrido & L. Salgado, 2018
Leaellynasaura: T. Rich & P. Vickers-Rich (as P. Rich), 1989
Ledumahadi: B.W. McPhee, R.B.J. Benson, J. Botha-Brink, E.M. Bordy & J.N. Choiniere, 2018
Leinkupal (not Leikupal): P.A. Gallina, S. Apesteguía, A. Haluza & J.I. Canale, 2014
Leipsanosaurus: F. Nopcsa, 1918 [PSS → Struthiosaurus]
Lengosaurus: Kelly, 1998 [nomen nudum → Eotyrannus]
Leonerasaurus: D. Pol, A.C. Garrido & I.A. Cerda, 2011
Lepidocheirosaurus: V.R. Alifanov & S.V. Saveliev, 2015 [PSS → Kulindadromeus]
Lepidus: S.J. Nesbitt & M.D. Ezcurra, 2015
Leptoceratops: B. Brown, 1914
Leptorhynchos (genus also refers to a plant): N.R. Longrich, K. Barnes, S. Clark & L. Millar, 2013
Leptospondylus: R. Owen, 1854 [JSS → Massospondylus]
Leshansaurus: Li F, Peng G, Ye Y, Jiang S. & Huang D, 2009
Lesothosaurus: P.M. Galton, 1978 [PSS → Fabrosaurus]
Lessemsaurus: J.F. Bonaparte, 1999
Levnesovia: H-D Sues & A.O. Averianov, 2009
Lewisuchus: Romer, 1972
Lexovisaurus: Hoffstetter, 1957
Leyesaurus: C. Apaldetti, R.N. Martínez, O.A. Alcober & D. Pol, 2011
Liaoceratops: Xu X, P.J. Makovicky, Wang X-L, M.A. Norell & You H-L, 2002
Liaoningosaurus: Xu X, Wang X-L & You H-L, 2001
Liaoningotitan: Zhou C-F, Wu W-H, Sekiya T. & Dong Z-M, 2018
Liaoningvenator: Shen C-Z, Zhao B, Gao C-L, Lü J-C & M. Kundrát, 2017
Liassaurus: Welles, H.P. Powell & Pickering vide Pickering, 1995 [nomen nudum]
Ligabueino: J.F. Bonaparte, 1996
Ligabuesaurus: J.F. Bonaparte, B.J. González-Riga (as González Riga) & S. Apesteguía, 2006
"Ligomasaurus": G. Maier, 2003 [nomen nudum → Giraffatitan]
Lijiagousaurus: Li Z-Q, 2001 [nomen nudum]
Liliensternus: Welles, 1984
Limaysaurus: L. Salgado, A.C. Garrido, S.E. Cocca & J.R. Cocca, 2004
Limnosaurus: F. Nopcsa, 1899 / O.C. Marsh, 1872 → Telmatosaurus & Hecatasaurus
Limusaurus: Xu X, J.M. Clark, J. Mo, J.N. Choiniere, C.A. Forster, G.M. Erickson, D.W.E. Hone, C. Sullivan, D.A. Eberth, S.J. Nesbitt, Zhao Q, R. Hernández-Rivera (as R. Hernandez), Jia C-K, Han F-L, & Guo Y, 2009
Lingwulong: Xu X, P. Upchurch, P.D. Mannion, P.M. Barrett, O.R. Regalado-Fernandez, Mo J-Y, Ma J-F & Liu H-G, 2018
Lingyuanosaurus: Yao X, Liao C-C, C. Sullivan & Xu X, 2019
Linhenykus: Xing X, C. Sullivan, M. Pittman, J.N. Choiniere, D.W.E. Hone, P. Upchurch, Tan Q, Xiao D, Tan L, & Han F, 2011
Linheraptor: Xu X, J.N. Choinere, M. Pittman, Tan Q, Xiao D, Li Z-Q, Tan L, J.M. Clark, M.A. Norell, D.W.E. Hone, & C. Sullivan, 2010 [PSS → Tsaagan]
Linhevenator: Xu X, Tan Q, C. Sullivan, Han F. & Xiao D, 2011
Lirainosaurus: J.L. Sanz, J.E. Powell, J. LeLoeuff, R.D. Martínez & X. Pereda-Suberbiola, 1999
Liubangosaurus: Mo J, Xu X. & E. Buffetaut, 2010
Llukalkan: F.A. Gianechini, A.H. Méndez, L.S. Filippi, A. Paulina-Carabajal, R.D. Juárez-Valieri & A.C. Garrido, 2021
Lohuecotitan: V. Díez Díaz, P. Mocho, A. Páramo, F. Escaso, F. Marcos-Fernández, J.L. Sanz & F. Ortega, 2016
Loncosaurus: F. Ameghino, 1898 [nomen dubium]
Longosaurus: Welles, 1984 [JSS → Coelophysis]
Lophorhothon: W.R. Langston, 1960
Lophostropheus: M.D. Ezcurra & Cuny, 2007
Loricatosaurus: S. Maidment, D.B. Norman, P.M. Barrett & P. Upchurch, 2008
Loricosaurus: F. von Huene, 1929
Losillasaurus: Casanovas-Cladellas (as Casanovas), Santafe & J.L. Sanz, 2001
Lourinhanosaurus: O. Mateus, 1998
Lourinhasaurus: P. Dantas, J.L. Sanz, C.M. da Silva, F. Ortega, V.F. Dos Santos & M. Cachao, 1998
Luanchuanraptor: Lü J-C, Xu L, Zhang X-L, Ji Q, Jia S, Hu W, Zhang J-M & Wu Y, 2007
Luanpingosaurus: Cheng Z. vide Chen P, 1996 [nomen nudum → Psittacosaurus]
Lucianosaurus: R.N. Martínez & C. Apaldetti, 2017 / A.P. Hunt & S.G. Lucas, 1994 → Lucianovenator
Lucianovenator: R.N. Martínez & C. Apaldetti, 2017
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
Luoyanggia: Lü J-C, Xu L, Jiang X, Jia S, Li M, Yuan, Zhang X-L & Ji Q, 2009
Luoyangosaurus: Lü J-C, 2009 [nomen nudum → Luoyanggia]
Lurdusaurus: P. Taquet & D.A. Russell, 1999
Lusitanosaurus: de Lapparent & Zbyszewski, 1957
Lusotitan: Telles Antunes & O. Mateus, 2003
Lusovenator: E. Malafaia, P. Mocho, F. Escaso & F. Ortega, 2020
Lutungutali: B.R. Peecook, C.A. Sidor, S.J. Nesbitt, R.M.H. Smith, J.S. Steyer & K.D. Angielczyk, 2013
Lycorhinus: Haughton, 1924
Lythronax: M.A. Loewen, R.B. Irmis, J.J.W. Sertich, P.J. Currie & S.D. Sampson, 2013

Machairasaurus: N.R. Longrich, P.J. Currie & Dong Z-M, 2010
Machairoceratops: E.K. Lund, P.M. O'Connor, M.A. Loewen & Z.A. Jinnah, 2016
Macrocollum: R. Temp Müller, M.C. Langer & S. Dias-da-Silva, 2018
Macrodontophion: A. Zborzewski, 1834 [nomen dubium]
Macrogryphosaurus: J.O. Calvo, J.D. Porfiri & F.E. Novas, 2007
Macrophalangia: C.M. Sternberg, 1932 [JSS → Chirostenotes]
Macrurosaurus: H.G. Seeley, 1876
"Madsenius": Lambert, 1990 [nomen nudum → Allosaurus]
Magnamanus: C. Fuentes-Vidarte, M. Meijide-Calvo, F. Meijide-Fuentes & M. Meijide-Fuentes, 2017
Magnapaulia: A. Prieto-Márquez, L.M. Chiappe & S.H. Joshi, 2012
Magnirostris: You H-L & Dong Z-M, 2003 [PSS → Bagaceratops (adolescent ?)]
Magnosaurus: F. von Huene, 1932
Magulodon: Kranz, 1996 [nomen nudum]
Magyarosaurus: F. von Huene, 1932
Mahakala (genus also refers to a Buddhist diety): A.H. Turner, D. Pol, J.A. Clarke, G.M. Erickson & M.A. Norell, 2007
Mahuidacursor: P. Cruzado-Caballero, J.M. Gasca, L.S. Filippi, I. Cerda & A.C. Garrido, 2019
Maiasaura: J.R. Horner & Makela, 1979
Maip: A.M. Aranciaga Rolando, M.J. Motta, F.L. Agnolín, M. Manabe, T. Tsuihiji & F.E. Novas, 2022
Majungasaurus: R. Lavocat, 1955
Majungatholus: H-D Sues & P. Taquet, 1979 [JSS → Majungasaurus]
Malarguesaurus: B.J. González-Riga, Previtera & Pirrone, 2009
Malawisaurus: L.L. Jacobs, Winkler, W.R. Downs & Gomani, 1993
Maleevosaurus: K. Carpenter, 1992 [JSS → Tarbosaurus]
Maleevus: T.A. Tumanova, 1987 [nomen dubium]
Malefica: A. Prieto-Márquez & J.R. Wagner, 2022 (announced), 2023 (published)
Mamenchisaurus: Yang Z.J. (as Young C.C.), 1954
Mandschurosaurus: Riabinin, 1930 [nomen dubium; PSS → Amurosaurus or Charonosaurus]
Manidens: D. Pol, O.W.M. Rauhut & M. Becerra, 2011
Manospondylus: E.D. Cope, 1892 [nomen dubium; PSS → Tyrannosaurus]
Mansourasaurus: H.M. Sallam, E. Gorscak, P.M. O'Connor, I.A. El-Dawoudi, S. El-Sayed, S. Saber, M.A. Kora, J.J.W. Sertich, E.R. Seiffert & M.C. Lamanna, 2018
Mantellisaurus: G.S. Paul, 2006
Mantellodon: G.S. Paul, 2012
Maojandino: M.S. Malkani, 2016
Mapusaurus: R.A. Coria & P.J. Currie, 2006
Maraapunisaurus: K. Carpenter, 2018
Marasuchus: P.C. Sereno & A.B. Arcucci, 1994
Marisaurus: M.S. Malkani, 2006
Marmarospondylus: R. Owen, 1875 [nomen dubium]
Marshosaurus: J.H. Madsen, 1976
Martharaptor: P. Senter, J.I. Kirkland & D.D. DeBlieux, 2012
Masiakasaurus: S.D. Sampson, Carrano & C.A. Forster, 2001
Massospondylus: R. Owen, 1854
Matheronodon: P. Godefroit, G. Garcia, B. Gomez, K. Stein, A. Cincotta, U. Lefèvre & X. Valentin, 2017
Maxakalisaurus: A.W.A. Kellner, D.A. Campos, Azevedo, Trotta, Henriques, Craik & H.P. Silva, 2006
Mbiresaurus: C.T. Griffin, B.M. Wynd, D. Munyikwa, T.J. Broderick, M. Zondo, S. Tolan, M.C. Langer, S.J. Nesbitt & H.R. Taruvinga, 2022
Medusaceratops: M.J. Ryan, A.P. Russell & Hartman, 2010
Megacervixosaurus: Zhao X, 1983 [nomen nudum]
Megadactylus: E. Hitchcock, 1865 / L.J. Fitzinger, 1843 → Amphisaurus
"Megadontosaurus": B. Brown vide J.H. Ostrom, 1970 [nomen nudum → Deinonychus & Microvenator]
Megalosaurus: W. Buckland, 1824
Megapnosaurus: Ivie, Slipinski & Wegrzynowicz, 2001 [JSS → Coelophysis]
Megaraptor: F.E. Novas, 1998
Mei: Xu X, & M.A. Norell, 2004
Melanorosaurus: Haughton, 1924
Mendozasaurus: B.J. González-Riga (as González Riga), 2003
Menefeeceratops: S.G. Dalman, S.G. Lucas, S.E. Jasinski, A.J. Lichtig & P. Dodson, 2021
Menucocelsior: M. Aranciaga Rolando, M.A. Cerroni, J.A. García-Marsà, F.L. Agnolín, M.J. Motta, S. Rozadilla, F. Brissón Eglí & F.E. Novas, 2021 (announced), 2022 (final publication)
Meraxes: J.I. Canale, S. Apesteguía, P.A. Gallina, J. Mitchell, N.D. Smith, T.M. Cullen, A. Shinya, A. Haluza, F.A. Gianechini & P.J. Makovicky, 2022
Mercuriceratops: M.J. Ryan, D.C. Evans, P.J. Currie & M.A. Loewen, 2014
Meroktenos: C.P. de Fabrègues & R. Allain, 2016
Merosaurus: Welles, H.P. Powell & Pickering vide Pickering, 1995 [nomen nudum]
Metriacanthosaurus: A.D. Walker, 1964
Microcephale: P.C. Sereno, 1997 [nomen nudum]
Microceratops: B. Bohlin, 1953 / Seyrig, 1952 → Microceratus
Microceratus: O. Mateus, 2008 [nomen dubium]
Microcoelus: R. Lydekker, 1893 [nomen dubium; PSS → Saltasaurus]
Microdontosaurus: Zhao X, 1983 [nomen nudum]
Microhadrosaurus: Dong Z-M, 1979 [nomen dubium]
Micropachycephalosaurus: Dong Z-M, 1978
Microraptor: Xu X, Zhou Z. & Wang X-L, 2000
Microsaurops: Kuhn, 1963 [JOS → Microcoelus]
Microvenator: J.H. Ostrom, 1970
Mierasaurus: R. Royo-Torres, P. Upchurch, J.I. Kirkland, D.D. DeBlieux, J.R. Foster, A. Cobos & L. Alcalá, 2017
"Mifunesaurus": Hisa, 1985 [nomen nudum]
Migmanychion: Wang X, Cau A, Wang Z-D, Yu K-F, Wu W-H, Wang Y. & Liu Y-C, 2023
Minimocursor: S. Manitkoon, U. Deesri, B. Khalloufi, T. Nonsrirach, V. Suteethorn, P. Chanthasit, W. Boonla & E. Buffetaut, 2023
Minmi: R.E. Molnar, 1980 [nomen dubium]
Minotaurasaurus: C.A. Miles & C.J. Miles, 2009 [PSS → Tarchia]
Minqaria: N.R. Longrich, X. Pereda-Suberbiola, N. Bardet & N-E. Jalil, 2024
Miragaia: O. Mateus, S. Maidment & N.A. Christiansen, 2009
Mirischia: D. Naish, D.M. Martill & Frey, 2004
Mnyamawamtuka: E. Gorscak & P.M. O'Connor, 2019
Moabosaurus: B.B. Britt, R.D. Scheetz, M.F. Whiting & D.R. Wilhite, 2017
Mochlodon: H.G. Seeley, 1881
"Mohammadisaurus": G. Maier, 2003 [nomen nudum → Tornieria]
Mojoceratops: N.R. Longrich, 2010 [PSS → Eoceratops or Chasmosaurus]
Mongolosaurus: Gilmore, 1933 [nomen dubium]
Mongolostegus: T.A. Tumanova & V.R. Alifanov, 2018
Monkonosaurus: Zhao X. vide Dong Z-M, 1990
Monoclonius: E.D. Cope, 1876 [nomen dubium; PSS → Centrosaurus or Styracosaurus]
Monolophosaurus: Zhao X. & P.J. Currie, 1994 (not 1993)
Mononychus: A. Perle, M.A. Norell, L.M. Chiappe & J.M. Clark, 1993 / Schueppel, 1824 → Mononykus
Mononykus: A. Perle, M.A. Norell, L.M. Chiappe & J.M. Clark, 1993
Montanoceratops: C.M. Sternberg, 1951
Morelladon: J.M. Gasulla, F. Escaso, I. Narváez, F. Ortega & J.L. Sanz, 2015
Morinosaurus: H.E. Sauvage, 1874 [nomen dubium; PSS → Pelorosaurus]
Moros: L.E. Zanno, R.T. Tucker, A. Canoville, H.M. Avrahami, T.A. Gates & P.J. Makovicky, 2019
Morosaurus: O.C. Marsh, 1878 [JSS → Camarasaurus]
Morrosaurus: S. Rozadilla, F.L. Agnolín, F.E. Novas, A.M. Aranciaga Rolando, M.J. Motta, J.M. Lirio & M.P. Isasi, 2015
Mosaiceratops: Zheng W-J, Jin X-S & Xu X, 2015
"Moshisaurus": Hisa, 1985 [nomen nudum → Mamenchisaurus]
"Mtapaiasaurus": G. Maier, 2003 [nomen nudum → Giraffatitan]
"Mtotosaurus": G. Maier, 2003 [nomen nudum → Dicraeosaurus]
Murusraptor: R.A. Coria & P.J. Currie, 2016
Mussaurus: J.F. Bonaparte & Vince, 1979
Muttaburrasaurus: Bartholomai & R.E. Molnar, 1981
Muyelensaurus: J.O. Calvo, B.J. González-Riga & J.D. Porfiri, 2007
Mymoorapelta: J.I. Kirkland & K. Carpenter, 1994

Naashoibitosaurus: A.P. Hunt & S.G. Lucas, 1993 [PSS → Gryposaurus or Kritosaurus]
Nambalia: F.E. Novas, M.D. Ezcurra, S. Chatterjee & T.S. Kutty, 2011
Nankangia: Lü J-C, Yi L-P, Zhong H. & Wei X-F, 2013
Nanningosaurus: Mo, Zhao Z, Wang W. & Xu X, 2007
"Nanoraptor": David Grimaldi vide Nicholas St. Fleur, 2017 [nomen nudum; in New York Times]
Nanosaurus: O.C. Marsh, 1877
Nanotyrannus: R.T. Bakker, Williams & P.J. Currie, 1988 [PSS → Tyrannosaurus]
Nanshiungosaurus: Dong Z-M, 1979
Nanuqsaurus: A.R. Fiorillo & R.S. Tykoski, 2014
Nanyangosaurus: Xu X, Zhao X, Lü J-C, Huang W, Li Z-Y & Dong Z-M, 2000
Napaisaurus: Ji S-A & Zhang P, 2021 (announced), 2022 (final publication)
Narambuenatitan: L.S. Filippi, R.A. García & A.C. Garrido, 2010
Narindasaurus: R. Royo-Torres, A. Cobos, P. Mocho & L. Alcalá, 2020
Nasutoceratops: S.D. Sampson, E.K. Lund, M.A. Loewen, A.A. Farke & K.E. Clayton, 2013
Nasutuceratops: E.K. Lund, 2010 [nomen ex dissertatione → Nasutoceratops]
Natovenator: Lee S-J, Lee Y-N, P.J. Currie, R. Sissons, Park J-Y, Kim S-H, R. Barsbold & Tsogtbaatar K, 2022
Natronasaurus: R.E. Ulansky, 2014 [SSS → Alcovasaurus]
Navajoceratops: D.W. Fowler & E.A. Freedman Fowler, 2020
Nebulasaurus: Xing L, T. Miyashita, P.J. Currie, You H-L & Dong Z, 2013
Nectosaurus: Versluys, 1910 / Merriam, 1905 → Kritosaurus
Nedcolbertia: J.I. Kirkland, B.B. Britt, Whittle, S.K. Madsen & Burge, 1998
Nedoceratops: Ukrainsky, 2007 [PSS → Triceratops]
Neimongosaurus: Zhang X-H, Xu X, Zhao X, P.C. Sereno, Kuang & Tan L, 2001
Nemegtia: Lü J-C, Tomida, Y. Azuma, Dong Z-M & Lee Y-N, 2004 / Szczechura, 1978 → Nemegtomaia
Nemegtonykus: Lee S-J, Park J-Y, Lee Y-N, Kim S-H, Lü J-C, R. Barsbold & Tsogtbaatar K, 2019
Nemegtomaia: Lü J-C, Tomida, Y. Azuma, Dong Z-M & Lee Y-N, 2005
Nemegtosaurus: Nowinski, 1971
Neosaurus: Gilmore vide Gilmore & Stewart, 1945 / F. Nopcsa, 1923 → Parrosaurus
Neosodon: M. de la Moussaye, 1885
Neovenator: S. Hutt, D.M. Martill & Barker, 1996
Neuquenraptor: F.E. Novas & D. Pol, 2005 [PSS → Unenlagia]
Neuquensaurus: J.E. Powell, 1992
Nevadadromeus: J.W. Bonde, R.L. Hall, L.J. Krumenacker & D.J. Varricchio, 2022
Newtonsaurus: Welles vide Welles & Pickering, 1999 [nomen nudum]
Ngexisaurus: Zhao X, 1983 [nomen nudum]
Ngwevu: K.E.J. Chapelle, P.M. Barrett, J. Botha & J.N. Choiniere, 2019
Nhandumirim: J.C.A. Marsola, J.S. Bittencourt, R.J. Butler, A.A.S. Da Rosa. J.M. Sayão & M.C. Langer, 2019
Nicksaurus: M.S. Malkani, 2016
Niebla: M. Aranciaga Rolando, M.A. Cerroni, J.A. García-Marsà, F.L. Agnolín, M.J. Motta, S. Rozadilla, F. Brissón Eglí & F.E. Novas, 2020
Nigersaurus: P.C. Sereno, Beck, D.B. Dutheil, H.C.E. Larsson, Lyon, Moussa, R.W. Sadleir, C.A. Sidor, D.J. Varricchio, G.P. Wilson & J.A. Wilson, 1999
Ningyuansaurus: Ji Q, Lü J-C, Wei X-F. & Wang X-R, 2012
Ninjatitan: P.A. Gallina, J.I. Canale & J.L. Carballido, 2021
Niobrarasaurus: K. Carpenter, Dilkes & D.B. Weishampel, 1995
Nipponosaurus: Nagao, 1936
Noasaurus: J.F. Bonaparte & J.E. Powell, 1980
Nodocephalosaurus: R. Sullivan, 1999
Nodosaurus: O.C. Marsh, 1889
Nomingia: R. Barsbold, H. Osmólska, M. Watabe, P.J. Currie & Tsogtbaatar K, 2000
Nopcsaspondylus: S. Apesteguía, 2007
Normanniasaurus: J. LeLoeuff, S. Suteethorn & E. Buffetaut
Notatesseraeraptor: M. Zahner & W. Brinkmann, 2019
Nothronychus: J.I. Kirkland & Wolfe, 2001
Notoceratops: A. Tapia, 1918 [nomen dubium]
Notocolossus: B.J. González Riga, M.C. Lamanna, L.D. Ortiz David, J.O. Calvo & J.P. Coria, 2016
Notohypsilophodon: R.D. Martínez, 1998
Nototyrannus: [Anonymous] 2011 vide S. Apesteguía, N.D. Smith, R.D. Juárez-Valieri & P.J. Makovicky, 2016 [nomen nudum → Gualicho]
Nqwebasaurus: W.J. de Klerk, C.A. Foster, S.D. Sampson, A. Chinsamy & C.F. Ross, 2000
"Nteregosaurus": G. Maier, 2003 [nomen nudum → Janenschia]
Nullotitan: F.E. Novas, F.L. Agnolín, S. Rozadilla, A.M. Aranciaga-Rolando, F. Brissón-Eglí, M.J. Motta, M.A. Cerroni, M.D. Ezcurra, A.G. Martinelli, J.S. D'Angelo, G. Álvarez-Herrera, A.R. Gentil, S. Bogan, N.R. Chimento, J.A. García-Marsà, G. Lo Coco, S.E. Miquel, F.F. Brito, E.I. Vera, V.S. Perez Loinaze, M.S. Fernández & L. Salgado, 2019
Nuoersaurus: Dong Z-M & Li X-M, 1991 [nomen nudum; later spelled Nuoerosaurus & Nurosaurus but neither formally described nor named]
Nuthetes: R. Owen, 1854
Nyasasaurus: A.J. Charig, 1967 vide S.J. Nesbitt, P.M. Barrett, S. Werning, C.A. Sidor & A.J. Charig, 2012
"Nyororosaurus": G. Maier, 2003 [nomen nudum → Dicraeosaurus]

Oblitosaurus: S. Sánchez-Fenollosa, F.J. Verdú & A. Cobos, 2023
Oceanotitan: P. Mocho, R. Royo-Torres & F. Ortega, 2019
Ohmdenosaurus: Wild, 1978
Ojoceratops: R. Sullivan & S.G. Lucas, 2010
Ojoraptorsaurus: R.M. Sullivan, S.E. Jasinski & M.P.A. Van Tomme, 2011
Oksoko: G.F. Funston, Chinzorig T, Tsogtbaatar K, Y. Kobayashi, C. Sullivan & P.J. Currie, 2020
Oligosaurus: H.G. Seeley, 1881 [nomen dubium; PSS → Rhabdodon]
Olorotitan: P. Godefroit, Y.L. Bolotsky & V.R. Alifanov, 2003
Omeisaurus: Yang Z.J. (as Young C.C.), 1939
Omnivoropteryx: Czerkas & Ji Q, 2002
Omosaurus: R. Owen, 1875 / J. Leidy, 1856 → Dacentrurus
Ondogurvel: A.O. Averianov & A.V. Lopatin, 2022
Onychosaurus: F. Nopcsa, 1902 [nomen dubium; PSS → Rhabdodon]
Oohkotokia: P. Penkalski, 2013 [published in 2014; PSS → Scolosaurus]
Opisthocoelicaudia: Borsuk-Bialynicka, 1977 [PSS → Nemegtosaurus]
Oplosaurus: P. Gervais, 1852 [nomen dubium; PSS → Pelorosaurus]
Orcomimus: Triebold, 1997 [nomen nudum]
Orinosaurus: R. Lydekker, 1889 [JOS → Orosaurus]
Orkoraptor: F.E. Novas, M.D. Ezcurra & A. Lecuona, 2008
Ornatops: A.T. McDonald, D.G. Wolfe, E.A. Freedman Fowler & T.A. Gates, 2021
Ornatotholus: P.M. Galton & H-D Sues, 1983 [JSS → Stegoceras]
Ornithodesmus: H.G. Seeley, 1887
Ornithoides: H.F. Osborn, 1924 [nomen nudum → Saurornithoides]
Ornitholestes: H.F. Osborn, 1903
Ornithomerus: H.G. Seeley, 1881 [JSS → Rhabdodon]
Ornithomimoides: F. von Huene & Matley, 1933 [nomen dubium]
Ornithomimus: O.C. Marsh, 1890
Ornithopsis: H.G. Seeley, 1870 [nomen dubium]
Ornithotarsus: E.D. Cope, 1869 [nomen dubium; PSS → Hadrosaurus]
Orodromeus: J.R. Horner & D.B. Weishampel, 1988
Orosaurus: T.H. Huxley, 1867 [JSS → Euskelosaurus]
Orthogoniosaurus: Das-Gupta, 1931 [nomen dubium]
Orthomerus: H.G. Seeley, 1883 [nomen dubium; PSS → Telmatosaurus]
Oryctodromeus: D.J. Varricchio, A.J. Martin & Katsura, 2007
Oshanosaurus: Zhao X. (as Chao S.), 1985 [nomen nudum]
Osmakasaurus: A.T. McDonald, 2011
Ostafrikasaurus: E. Buffetaut, 2012 [PSS → Spinosaurus]
Othnielia: P.M. Galton, 1977 [PSS → Nanosaurus]
Othnielosaurus: P.M. Galton, 2006 [PSS → Nanosaurus]
Otogosaurus: Zhao X. & Tan L, 2004 [citation not seen, author's name(s) may change]
Ouranosaurus: P. Taquet, 1976
Overoraptor: M.J. Motta, F.L. Agnolín, F. Brissón-Eglí & F.E. Novas, 2020
Overosaurus: R.A. Coria, L.S. Filippi, L.M. Chiappe, R.A. García & A.B. Arcucci, 2013
Oviraptor: H.F. Osborn, 1924
Ovoraptor: H.F. Osborn, 1924 [nomen nudum → Velociraptor]
Owenodon: P.M. Galton, 2009
Oxalaia: A.W.A. Kellner, Azevedo, E.B. Machado, L.B. Carvalho & Henriques, 2011 [PSS → Spinosaurus]
Ozraptor: J.A. Long & R.E. Molnar, 1998

Pachycephalosaurus: B. Brown & E.M. Schlaikjer, 1943
Pachyrhinosaurus: C.M. Sternberg, 1950
Pachysauriscus: Kuhn, 1959 [nomen dubium; PSS → Plateosaurus]
Pachysaurops: F. von Huene, 1961 (not 1959) [JOS → Pachysauriscus]
Pachysaurus: F. von Huene, 1908 / L.J. Fitzinger, 1843 → Pachysauriscus
Pachyspondylus: R. Owen, 1854 [JSS → Massospondylus]
Padillasaurus: J.L. Carballido, D. Pol, M.L. Parra Ruge, S. Padilla Bernal, M.E. Páramo-Fonseca & F. Etayo-Serna, 2015
Pakisaurus: M.S. Malkani, 2006
Palaeopteryx: J.A. Jensen, 1981
Palaeoscincus: J. Leidy, 1856 [nomen dubium; PSS → Edmontonia or Panoplosaurus]
Paludititan: Z. Csiki, V. Codrea, C. Jipa-Murzea & P. Godefroit, 2010
Paluxysaurus: Rose, 2007 [electronically published; PSS → Sauroposeidon]
Pampadromaeus: S.F. Cabreira, C.L. Schultz, J.S. Bittencourt, M.B. Soares, D.C. Fortier, L.R. Silva & M.C. Langer, 2011
Pamparaptor: J.D. Porfiri, J.O. Calvo & D. Dos Santos, 2011
Panamericansaurus: J.O. Calvo & J.D. Porfiri, 2010
Pandoravenator: O.W.M. Rauhut & D. Pol, 2017
Panguraptor: You H-L, Y. Azuma, Wang T, Wang Y-M & Dong Z-M, 2014
Panoplosaurus: Lambe, 1919
Panphagia: R.N. Martínez & O.A. Alcober, 2009
Pantydraco: P.M. Galton, A.M. Yates & D. Kermack, 2007
Papiliovenator: Pei R, Qin Y-Y, Wen A-S, Zhao Q, Wang Z, Liu Z-M, Guo W-L, Liu P, Ye W-M, Wang L-Y, Yin Z-G, Dai R-M & Xu X, 2021 (announced), 2022 (final publication)
Paraiguanodon: B. Brown vide G. Olshevsky, 1991 [nomen nudum → Bactrosaurus]
Paralitherizinosaurus: Y. Kobayashi, R. Takasaki, A.R. Fiorillo, Tsogtbaatar C. & Y. Hikida, 2022
Paralititan: J.B. Smith, M.C. Lamanna, K.J. Lacovara, P. Dodson, J.R. Smith, J.C. Poole, R. Giegengack & Attia, 2001
Paranthodon: F. Nopcsa, 1929
Pararhabdodon: Casanovas-Cladellas, Santafé-Llopis & Isidro-Llorens, 1993
Parasaurolophus: Parks, 1922
Paraxenisaurus: C.I. Serrano-Brañas, B. Espinosa-Chávez, S.A. Maccracken, C. Gutiérrez-Blando, C. deLeón-Dávila & J. Flores Ventura, 2020
Pareisactus: J. Párraga & A. Prieto-Márquez, 2019
Parksosaurus: C.M. Sternberg, 1937
Paronychodon: E.D. Cope, 1876 [nomen dubium]
Parrosaurus: Gilmore, 1945 [nomen dubium; PSS → Hypsibema]
Parvicursor: Karhu & Rautian, 1996
Patagonykus: F.E. Novas, 1996
Patagopelta: F. Riguetti, X. Pereda-Suberbiola, D. Ponce, L. Salgado, S. Apesteguía, S. Rozadilla & V. Arbour, 2022
Patagosaurus: J.F. Bonaparte, 1979
Patagotitan: J.L. Carballido, D. Pol, A. Otero, I.A. Cerda, L. Salgado, A.C. Garrido, J. Ramezani, N.R. Cúneo & J.M. Krause, 2017
Pawpawsaurus: Lee Y-N, 1996
Pectinodon: K. Carpenter, 1982
Pedopenna: Xu X. & Zhang F, 2005
Pegomastax: P.C. Sereno, 2012
Peishansaurus: B. Bohlin, 1953 [nomen dubium]
Pelecanimimus: Perez-Moreno, J.L. Sanz, Buscalioni, Moratalla, F. Ortega & Rasskin-Gutman, 1994
Pellegrinisaurus: L. Salgado, 1996
Peloroplites: K. Carpenter, J.A. Bartlett, J. Bird & Barrick, 2008
Pelorosaurus: G. Mantell, 1850
Peltosaurus: B. Brown vide D. Chure & McIntosh, 1989 (see also Glut, 1972) / E.D. Cope, 1873 → Sauropelta
Pendraig: S.N.F. Spiekman, M.D. Ezcurra, R.J. Butler, N.C. Fraser & S.C.R. Maidment, 2021
Penelopognathus: P. Godefroit, Li Hong & Shang C-Y, 2005
Pentaceratops: H.F. Osborn, 1923
Perijasaurus: A.F. Rincón, D.A. Raad Pájaro, H.F. Jiménez Velandia, M.D. Ezcurra & J.A. Wilson Mantilla, 2022
Petrobrasaurus: L.S. Filippi, J.I. Canudo, L. Salgado, A.C. Garrido, R.A. García, I.A. Cerda & A. Otero, 2011
Phaedrolosaurus: Dong Z-M, 1973
Philovenator: Xu X, Zhao Q, C. Sullivan, Tan Q-W, P.M. Sander & Ma Q-Y, 2012
Phuwiangosaurus: V. Martin, E. Buffetaut & V. Suteethorn, 1994
Phuwiangvenator: A. Samathi, P. Chanthasit & P.M. Sander, 2019
Phyllodon: Thulborn, 1973
Piatnitzkysaurus: J.F. Bonaparte, 1979
Pilmatueia: R.A. Coria, G.J. Windholz, F. Ortega & P.J. Currie, 2018
Pinacosaurus: Gilmore, 1933
Pisanosaurus: Casamiquela, 1967
Pitekunsaurus: L.S. Filippi & A.C. Garrido, 2008
Piveteausaurus: P. Taquet & Welles, 1977
Planicoxa: DiCroce & K. Carpenter, 2001
Plateosauravus: F. von Huene, 1932 [JSS → Euskelosaurus]
Plateosaurus: von Meyer, 1837
Platyceratops: V.R. Alifanov, 2003 [PSS → Bagaceratops (adolescent ?)]
Platypelta: P. Penkalski, 2018
Platytholus: J.R. Horner, M.B. Goodwin & D.C. Evans, 2023
Plesiohadros: Tsogtbaatar K, D.B. Weishampel, D.C. Evans & M. Watabe, 2014
Pleurocoelus: O.C. Marsh, 1888
Pleuropeltus: H.G. Seeley, 1881 [nomen dubium; PSS → Struthiosaurus]
Pneumatoraptor: Ösi A, S. Apesteguía & Kowalewski, 2010
Podischion: B. Brown & Kaisen, 1911 vide L. Dingus & M.A. Norell, 2010
Podokesaurus: Talbot, 1911 [JSS → Coelophysis]
Poekilopleuron: J.A. Eudes-Deslongchamps, 1838
Polacanthoides: F. Nopcsa, 1928 [PSS → Hylaeosaurus]
Polacanthus: R. Owen vide [Anonymous], 1865
Polyodontosaurus: Gilmore, 1932 [nomen dubium; PSS → Latenivenatrix, Stenonychosaurus, Troödon]
Polyonax: E.D. Cope, 1874 [JSS → Triceratops]
Ponerosteus: G. Olshevsky, 2000 [nomen dubium]
Portellsaurus: A. Santos-Cubedo, C. deSantisteban, B. Poza & S. Meseguer, 2021
Powellvenator: M.D. Ezcurra, 2017
Pradhania: T.S. Kutty, S. Chatterjee, P.M. Galton & P. Upchurch, 2007
Prenocephale: T. Maryanska & H. Osmólska, 1974
Prenoceratops: Chinnery, 2004
Priconodon: O.C. Marsh, 1888 [nomen dubium]
Priodontognathus: H.G. Seeley, 1875 [nomen dubium]
Proa: A.T. McDonald, E. Espílez, L. Mampel, J.I. Kirkland & L. Alcalá, 2012
Probactrosaurus: Rozhdestvensky, 1966
"Probarodiplodocus": Fuller, 2009 [nomen nudum]
Probrachylophosaurus: E.A. Freedman Fowler & J.R. Horner, 2015
Proceratops: Lull, 1906 [JOS → Ceratops]
Proceratosaurus: F. von Huene, 1926
Procerosaurus: Fritsch, 1905 / F. von Huene, 1902 → Ponerosteus
Procheneosaurus: Matthew, 1920 [JSS → Lambeosaurus]
Procompsognathus: E. Fraas, 1913
Prodeinodon: H.F. Osborn, 1924 [nomen dubium]
Proiguanodon: van den Broeck, 1900 [nomen nudum → Iguanodon]
Propanoplosaurus: R. Stanford, D.B. Weishampel & V.B. Deleon, 2011
Proplanicoxa: K. Carpenter & Y. Ishida, 2010 [PSS → Mantellisaurus]
Prosaurolophus: B. Brown, 1916
Protarchaeopteryx: Ji Q. & Ji S, 1997
Protathlitis: A. Santos-Cubedo,C. de Santisteban, B. Poza & S. Meseguer, 2023
Protiguanodon: H.F. Osborn, 1923 [JSS → Psittacosaurus]
Protoavis: S. Chatterjee, 1991
Protoceratops: Granger & Gregory, 1923
Protognathosaurus: G. Olshevsky, 1991
Protognathus: Zhang Y-H, 1988 / Basilewsky, 1950 → Protognathosaurus
Protohadros: Head, 1998
Protorosaurus: Lambe, 1914 / H. von Meyer, 1830 → Chasmosaurus
Protrachodon: F. Nopcsa, 1923 [nomen nudum → Orthomerus]
Proyandusaurus: F. Knoll, 1999
Pseudolagosuchus: A.B. Arcucci, 1987
Psittacosaurus: H.F. Osborn, 1923
Pteropelyx: E.D. Cope, 1889 [nomen dubium]
Pterospondylus: Jaekel, 1913 [PSS → Procompsognathus]
Puertasaurus: F.E. Novas, L. Salgado, J.O. Calvo & F.L. Agnolín, 2005
Pukyongosaurus: Dong Z-M, Paik & H.J. Kim, 2001
Pulanesaura: B.W. McPhee, M.F. Bonnan, A.M. Yates, J. Neveling & J.N. Choiniere, 2015
Punatitan: E.M. Hechenleitner, L. Leuzinger, A.G. Martinelli, S. Rocher, L.E. Fiorelli, J.R.A. Taborda & L. Salgado, 2020
Pycnonemosaurus: A.W.A. Kellner & D.A. Campos, 2002
Pyroraptor: R. Allain & P. Taquet, 2000

Qantassaurus: T. Rich & P. Vickers-Rich, 1999
Qianlong: Han F, Yu Y, Zhang S, Zeng R, Wang X, Cai H, Wu T, Wen Y, Cai S, Li C, Wu R, Zhao W. & Xu X, 2023
Qianzhousaurus: Lü J-C, Yi L, S.L. Brusatte, Yang L, Li Hua & Chen L, 2014
Qiaowanlong: You H-L & Li D-Q, 2009
Qijianglong: Xing L, T. Miyashita, Zhang J-P, Li D-Q, Ye Y, T. Sekiya, Wang F-P & P.J. Currie, 2015
Qingxiusaurus: Mo, Huang C, Zhao Z, Wang W. & Xu X, 2008
Qinlingosaurus: Xue, Zhang Y-X, Bi, Yue & Chen D, 1996
Qiupalong: Xu L, Y. Kobayashi, Lü J-C, Lee Y-N, Liu Y-Q, Tanaka, Zhang X-L, Jia S. & Zhang J-M, 2011
Qiupanykus: Lü J-C, Xu L, Chang H-L, Jia S-H, Zhang J-M, Gao D-S, Zhang Y-Y, Zhang C-J & Ding F, 2018
Quaesitosaurus: A. Bannikov & S.M. Kurzanov vide S.M. Kurzanov & A. Bannikov, 1983
Quetecsaurus: B.J. González-Riga (as González Riga) & L. Ortiz David, 2014
Quilmesaurus: R.A. Coria, 2001

Rahiolisaurus: F.E. Novas, S. Chatterjee, D.K. Rudra & P.M. Datta, 2010
Rahona (genus also refers to a moth): C.A. Forster, S.D. Sampson, L.M. Chiappe & D.W. Krause, 1998 / Griveaud, 1975 → Rahonavis
Rahonavis: C.A. Forster, S.D. Sampson, L.M. Chiappe & D.W. Krause, 1998
Rajasaurus: J.A. Wilson, P.C. Sereno, S. Srivastava, D.K. Bhatt, A. Khosla & A. Sahni, 2003
Rapator: F. von Huene, 1932 [nomen dubium]
Rapetosaurus: K.C. Rogers & C.A. Forster, 2001
Raptorex: P.C. Sereno, Tan L, S.L. Brusatte, H.J. Kriegstein, Zhao X. & K. Cloward, 2009
Ratchasimasaurus: M. Shibata, P. Jintasakul & Y. Azuma, 2011
Rativates: B. McFeeters, M.J. Ryan, C. Schröder-Adams & T.M. Cullen, 2016
Rayososaurus: J.F. Bonaparte, 1996
Rebbachisaurus: R. Lavocat, 1954
Regaliceratops: C.M. Brown & D.M. Henderson, 2015
Regnosaurus: G. Mantell, 1848
Revueltoraptor: A.P. Hunt, 1994 vide S.J. Nesbitt, R.B. Irmis & Parker, 2007 [nomen ex dissertatione → Gojirasaurus]
Rhabdodon: Matheron, 1869
Rhadinosaurus: H.G. Seeley, 1881 [nomen dubium]
Rhinorex: T.A. Gates & R. Scheetz, 2014
Rhodanosaurus: F. Nopcsa, 1929 [JSS → Struthiosaurus]
Rhoetosaurus: Longman, 1926
Rhomaleopakhus: P. Upchurch, P.D. Mannion, Xing Xu & P.M. Barrett, 2021
Riabininohadros: R.E. Ulansky, 2015 vide A.V. Lopatin & A.O. Averianov, 2020
Ricardoestesia: P.J. Currie, K.J. Rigby & R.E. Sloan, 1990
Rileya: F. von Huene, 1902 / W.H. Ashmead, 1888 → Rileyasuchus [nomen dubium]
Rileyasuchus: Kuhn, 1961 [nomen dubium]
Rinchenia: R. Barsbold, 1997 vide H. Osmólska, P.J. Currie & R. Barsbold, 2004
Rinconsaurus: J.O. Calvo & B.J. González-Riga (as González Riga), 2003
Rioarribasaurus: A.P. Hunt & S.G. Lucas, 1991 [nomen rejectum → Coelophysis]
Riojasaurus: J.F. Bonaparte, 1969
Riojavenatrix: E. Isasmendi, E. Cuesta, I. Díaz-Martínez, J. Company, P. Sáez-Benito, L.I. Viera, A. Torices & X. Pereda-Suberbiola, 2024
Riparovenator: C.T. Barker, D.W.E. Hone, D. Naish, A. Cau, J.A.F. Lockwood, B. Foster, C.E. Clarkin, P. Schneider & N.J. Gostling, 2021
Rocasaurus: L. Salgado & C. Azpilicueta, 2000
Roccosaurus: van Heerden vide Anderson & Cruickshank, 1978 [nomen nudum → Melanorosaurus]
Rubeosaurus: A.T. McDonald & J.R. Horner, 2010 [PSS → Styracosaurus]
Ruehleia: P.M. Galton, 2001
Rugocaudia: D.C. Woodruff, 2012
Rugops: P.C. Sereno, J.A. Wilson & Conrad, 2004
Ruixinia: Mo J, Ma F, Yu Y & Xu X, 2022
Rukwatitan: E. Gorscak, P.M. O'Connor, N.J. Stevens & E.M. Roberts, 2014
Rutellum: E. Lhuyd, 1699 [nomen oblitum; pre-Linnaean name: cf. Delair & Sarjeant, 2002]
Ruyangosaurus: Lü J-C, Xu L, Jia S, Zhang X-L, Zhang J-M, Yang L, You H-L & Ji Q, 2009

Sacisaurus: Ferigolo & M.C. Langer, 2006
Sahaliyania: P. Godefroit, Hai, Yu T. & Lauters, 2008
Saichania: T. Maryanska, 1977
Saldamosaurus: R.E. Ulansky, 2014
"Salimosaurus": G. Maier, 2003 [nomen nudum → Giraffatitan]
Saltasaurus: J.F. Bonaparte & J.E. Powell, 1980
Saltillomimus: M.C. Aguillón Martínez, 2014 [nomen ex dissertatione, 2010]
Saltopus: F. von Huene, 1910
"Saltriosaurus": C. Dal Sasso, 2000 [nomen nudum → Saltriovenator]
Saltriovenator: C. Dal Sasso, S. Maganuco & A. Cau, 2018
"Sanchusaurus": Hisa, 1985 [nomen nudum → Gallimimus]
Sangonghesaurus: Zhao X, 1983 [nomen nudum → Tianchisaurus]
Sanjuansaurus: O.A. Alcober & R.N. Martínez, 2010
Sanpasaurus: Yang Z.J. (as Young C.C.), 1944 [nomen dubium]
Santanaraptor: A.W.A. Kellner, 1999
Sanxiasaurus: Li N, Dai H, Tan C, Hu X-F, Wei Z-Y, Lin Y, Wei G-B, Li D-L, Meng L, Hao B-Q, You H-L & Peng G-Z, 2019
Sarahsaurus: T.B. Rowe, H-D Sues & R.R. Reisz, 2010
Saraikimasoom: M.S. Malkani, 2014
Sarcolestes: R. Lydekker, 1893
Sarcosaurus: Andrews, 1921
Sarmientosaurus: R.D.F. Martínez, M.C. Lamanna, F.E. Novas, R.C. Ridgely, G.A. Casal, J.E. Martínez, J.R. Vita & L.M. Witmer, 2016
Saturnalia: M.C. Langer, F. Abdala, M. Richter & M.J. Benton, 1999
Sauraechmodon: H. Falconer, 1861 [nomen nudum → Echinodon]
Saurolophus: B. Brown, 1912
Sauroniops: A. Cau, F.M. Dalla Vecchia & M. Fabbri, 2012
Sauropelta: J.H. Ostrom, 1970
Saurophaganax: D. Chure, 1995
Saurophagus: J.W. Stovall vide Ray, 1941 / W.J. Swainson 1831
Sauroplites: B. Bohlin, 1953 [nomen dubium]
Sauroposeidon: M.J. Wedel, R.L. Cifelli & R.K. Sanders, 2000
Saurornithoides: H.F. Osborn, 1924
Saurornitholestes: H-D Sues, 1978
Savannasaurus: S.F. Poropat, P.D. Mannion, P. Upchurch, S.A. Hocknull, B.P. Kear, M. Kundrát, T.R. Tischler, T. Sloan, G.H.K. Sinapius, J.A. Elliott & D.A. Elliott, 2016
Scansoriopteryx: Czerkas & Yuan, 2002
Scelidosaurus: R. Owen, 1859
Schleitheimia: O.W.M. Rauhut, F.M. Holwerda & H. Furrer, 2020
Scipionyx: C. Dal Sasso & Signore, 1998
Sciurumimus: O.W.M. Rauhut, C. Foth, H. Tischlinger & M.A. Norell, 2012
Scolosaurus: F. Nopcsa, 1928
Scrotum: Brookes, 1763 [nomen oblitum; PSS → Megalosaurus]
Scutellosaurus: Colbert, 1981
Secernosaurus: M.K. Brett-Surman, 1979
Sefapanosaurus: A. Otero, E. Krupandan, D. Pol, A. Chinsamy & J.N. Choiniere, 2015
Segisaurus: Camp, 1936
Segnosaurus: A. Perle, 1979
Seismosaurus: Gillette, 1991
Seitaad: J.J.W. Sertich & M.A. Loewen, 2010
Sektensaurus: L.M. Ibiricu, G.A. Casal, R.D. Martínez, M. Luna, J.I. Canale, B.N. Álvarez & B. González-Riga, 2019
"Selimanosaurus": G. Maier, 2003 [nomen nudum → Dicraeosaurus]
Sellacoxa: K. Carpenter & Y. Ishida, 2010
Sellosaurus: F. von Huene, 1908
Serendipaceratops: T. Rich & P. Vickers-Rich, 2003
Serikornis: U. Lefèvre, A. Cau, A. Cincotta, Hu D-Y, A. Chinsamy, F. Escuillié & P. Godefroit, 2017 [possible bird]
Shamosaurus: T.A. Tumanova, 1983
Shanag: A.H. Turner, Hwang & M.A. Norell, 2007
Shanshanosaurus: Dong Z-M, 1977 [JSS → Tarbosaurus]
Shantungosaurus: Hu C, 1973
Shanxia: P.M. Barrett, You H-L, P. Upchurch & A.C. Burton, 1998 [PSS → Saichania]
Shanyangosaurus: Xue, Zhang Y-H, Bi, Yue & Chen D, 1996
Shaochilong: S.L. Brusatte, R.B.J. Benson, D. Chure, Xu X, C. Sullivan, & D.W.E. Hone, 2009
Shenzhouraptor: Ji Q, Ji S, You H-L, Zhang J.P, Yuan, Ji X, Li J-L. & Li Y-X, 2002 [possible bird]
Shenzhousaurus: Ji Q, M.A. Norell, P.J. Makovicky, Gao K-Q, Ji S. & Yuan, 2003
Shidaisaurus: Wu X, P.J. Currie, Dong Z-M, Pan S. & Wang T, 2009
Shingopana: E. Gorscak, P.M. O'Connor, E.M. Roberts & N.J. Stevens, 2017
Shishugounykus: Qin Z-C, J.M. Clark, J.N. Choiniere & Xu X, 2019
Shixinggia: Lü J-C & Zhang B, 2005
Shri: A.H. Turner, S. Montanari & M.A. Norell, 2021
Shuangbaisaurus: Wang G-F, You H-L, Pan S-G & Wang T, 2017
Shuangmiaosaurus: You H-L, Ji Q, Li J-L. & Li Y-X, 2003
Shunosaurus: Dong Z-M, Zhou S. & Zhang Y-H, 1983
Shuvuuia: L.M. Chiappe, M.A. Norell & J.M. Clark, 1998
Siamodon: E. Buffetaut & V. Suteethorn, 2011
Siamodracon: R.E. Ulansky, 2014
Siamosaurus: E. Buffetaut & Ingavat, 1986 [PSS → Spinosaurus]
Siamotyrannus: E. Buffetaut, V. Suteethorn & Tong H, 1996
Siamraptor: D. Chokchaloemwong, S. Hattori, E. Cuesta, P. Jintasakul, M. Shibata & Y. Azuma, 2019
Siats: L.E. Zanno & P.J. Makovicky, 2013
Sibirotitan: A.O. Averianov, S. Ivantsov, P. Skutschas, A. Faingertz & S. Leshchinskiy, 2017
Sidersaura: L.N. Lerzo, P.A. Gallina, J.I. Canale, A. Otero, J.L. Carballido, S. Apesteguía & P.J. Makovicky, 2024
Sierraceratops: S.G. Dalma, S.G. Lucas, S.E. Jasinski & N.R. Longrich, 2021 (announced), 2022 (final publication)
Sigilmassasaurus: D.A. Russell, 1996 [PSS → Spinosaurus]
Silesaurus: Dzik, 2003
Siluosaurus: Dong Z-M, 1997 [nomen dubium]
Silutitan: Wang X-L, K.L.N. Bandeira, Qiu R, Jiang S-X, Cheng X, Ma Y-X & A.W.A. Kellner, 2021
Silvisaurus: Eaton, 1960
Similicaudipteryx: He T, Wang X-L & Zhou Z, 2008
Sinankylosaurus: Wang K, Zhang Y, Chen J, Chen S. & Wang P, 2020
Sinocalliopteryx: Ji S, Ji Q, Lü J-C & Yuan, 2007
Sinocephale: D.C. Evans, C.M. Brown, You H-L & N.E. Campione, 2021
Sinoceratops: Xu X, Wang K, Zhao X & Li D-J, 2010
Sinocoelurus: Yang Z.J. (as Young C.C.), 1942
"Sinopelta": R.E. Ulansky, 2014 / Xue & Zhang, 1996 → Sinopeltosaurus
Sinopeltosaurus: R.E. Ulansky, 2014
Sinornithoides: D.A. Russell & Dong Z-M, 1994 (not 1993)
Sinornithomimus: Y. Kobayashi & Lü J-C, 2003
Sinornithosaurus: Xu X, Wang X-L & Wu X, 1999
Sinosauropteryx: Ji Q. & Ji S, 1996
Sinosaurus: Yang Z.J. (as Young C.C.), 1948
Sinotyrannus: Ji Q, Ji S-A & Zhang L-J, 2009
Sinovenator: Xu X, M.A. Norell, Wang X-L, P.J. Makovicky & Wu X, 2002
Sinraptor: P.J. Currie & Zhao X, 1994 (not 1993)
Sinucerasaurus: Xu X. & Wang X-L, 2004 vide Xu X. & M.A. Norell, 2006 [JOS → Sinusonasus]
Sinusonasus: Xu X. & Wang X-L, 2004
Sirindhorna: M. Shibata, P. Jintasakul, Y. Azuma & You H-L, 2015
Skaladromeus: C.A. Boyd, 2012 [nomen ex dissertatione]
Skorpiovenator: Canale, Scanferla, F.L. Agnolín & F.E. Novas, 2009
Smitanosaurus: J.A. Whitlock & J.A. Wilson Mantilla, 2020
Sonidosaurus: Xu X, Zhang X-H, Tan Q, Zhao X. & Tan L, 2006
Sonorasaurus: Ratkevich, 1998
Soriatitan: R. Royo-Torres, C. Fuentes, M. Meijide, F. Meijide-Fuentes & M. Meijide-Fuentes, 2017
Soumyasaurus: V. Sangül, F.L. Agnolín & S. Chatterjee, 2018
Spectrovenator: H. Zaher, D. Pol, B.A. Navarro, R. Delcourt & A.B. Carvalho, 2020
Sphaerotholus: T.E. Williamson & T.D. Carr, 2003 [PSS → Prenocephale]
Sphenospondylus: H.G. Seeley, 1882 [JSS → Iguanodon]
Spiclypeus: J.C. Mallon, C.J. Ott, P.L. Larson, E.M. Iuliano & D.C. Evans, 2016
Spicomellus: S.C.R. Maidment, S.J. Strachan, D. Ouarhache, T.M. Scheyer, E.E. Brown, V. Fernandez, Z. Johanson, T.J. Raven & P.M. Barrett, 2021
Spinophorosaurus: K. Remes, F. Ortega, I. Fierro, U. Joger, R. Kosma, J.M.M. Ferrer, L.M. Chiappe, P. Dantas, F. Escaso, Gasulla, López, Pomares, B. Ribeiro, J.L. Sanz, Tent-Manclús, Faust, H. Joger, J. Joger, Krüger, Mudroch, Rabe, Ritter, Sommer, O.A. Ide & A. Maga, 2009
Spinops: A.A. Farke, M.J. Ryan, P.M. Barrett, D.H. Tanke, D.R. Braman, M.A. Loewen & M.R. Graham, 2011
Spinosaurus: E. Stromer, 1915
Spinostropheus: P.C. Sereno, J.A. Wilson & Conrad, 2004
Staurikosaurus: Colbert, 1970
Stegoceras: Lambe, 1902
Stegopelta: Williston, 1905 [PSS → Nodosaurus]
Stegosaurides: B. Bohlin, 1953 [nomen dubium]
Stegosaurus: O.C. Marsh, 1877
Stegouros: S. Soto-Acuña, A.O. Vargas, J. Kaluza, M.A. Leppe, J.F. Botelho, J. Palma-Liberona, C. Simon-Gutstein, R.A. Fernández, H. Ortiz, V. Milla, B. Aravena, L.M.E. Manríquez, J. Alarcón-Muñoz, J.P. Pino, C. Trevisan, H. Mansilla, L.F. Hinojosa, V. Muñoz-Walther & D. Rubilar-Rogers, 2021
Stellasaurus: J.P. Wilson, M.J. Ryan & D.C. Evans, 2020
Stenonychosaurus: C.M. Sternberg, 1932 [PSS → Polyodontosaurus, Troödon]
Stenopelix: H. 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: O.C. Marsh, 1891 [JSS → Triceratops]
Stokesosaurus: J.H. Madsen, 1974
Stormbergia: R.J. Butler, 2005
Strenusaurus: J.F. Bonaparte, 1969 [JSS → Riojasaurus]
Streptospondylus: H. von Meyer, 1830 [nomen dubium]
Struthiomimus: H.F. Osborn, 1916
Struthiosaurus: E. Bunzel, 1870
Stygimoloch: P.M. Galton & H-D Sues, 1983 [PSS → teen Pachycephalosaurus]
Stygivenator: G. Olshevsky vide G. Olshevsky, Ford & Yamamoto, 1995 [JSS → Tyrannosaurus]
Styracosaurus: Lambe, 1913
Suchomimus: P.C. Sereno, Beck, D.B. Dutheil, Gado, H.C.E. Larsson, Lyon, Marcot, O.W.M. Rauhut, R.W. Sadleir, C.A. Sidor, D.J. Varricchio, G.P. Wilson & J.A. Wilson, 1998
Suchosaurus: R. Owen, 1841 [nomen dubium; PSS → Baryonyx]
"Suciasaurus": B.R. Peecook & C.A. Sidor, 2015 [PSS → Daspletosaurus; various Burke Museum products]
"Sugiyamasaurus": Lambert, 1990 [nomen nudum]
Sulaimanisaurus: M.S. Malkani, 2006
Supersaurus: J.A. Jensen, 1985
Suskityrannus: S.J. Nesbitt, R.K. Denton Jr, M.A. Loewen, S.L. Brusatte, N.D. Smith, A.H. Turner, J.I. Kirkland, A.T. McDonald & D.G. Wolfe, 2019
Suuwassea: J.D. Harris & P. Dodson, 2004
Suzhousaurus: Li D-Q, Peng C, You H-L, M.C. Lamanna, J.D. Harris, K.J. Lacovara & Zhang J-P, 2007
Symphyrophus: E.D. Cope, 1878 [JSS → Camptosaurus]
Syngonosaurus: H.G. Seeley, 1879 [nomen dubium]
Syntarsus (genus also refers to a beetle): Raath, 1969 / L. Fairmaire, 1869 → Megapnosaurus
Syrmosaurus: Maleev, 1952 [JSS → Pinacosaurus]
Szechuanoraptor: D. Chure, 2001 [nomen ex dissertatione]
Szechuanosaurus: Yang Z.J. (as Young C.C.), 1942 [nomen dubium]

Tachiraptor: M.C. Langer, A.D. Rincón, J. Ramezani, A. Solórzano & O.W.M. Rauhut, 2014
Talarurus: Maleev, 1952
Talenkauen: F.E. Novas, A.V. Cambiaso & A. Ambrosio, 2004
Talos: L.E. Zanno, D.J. Varricchio, P.M. O'Connor, A.L. Titus & M.J. Knell, 2011
Tamarro: A.G. Sellés, B. Vila, S.L. Brusatte, P.J. Currie & À. Galobart, 2021
Tambatitanis: H. Saegusa & T. Ikeda, 2014
Tangvayosaurus: R. Allain, P. Taquet, Battail, Dejax, P. Richir, Veran, Limon-Duparcmeur, Vacant, O. Mateus, Sayarath, Khenthavong & Phouyavong, 1999
Tanius: Wiman, 1929
Tanycolagreus: K. Carpenter, C.A. Miles & K. Cloward, 2005
Tanystrosuchus: Kuhn, 1963 [nomen dubium; PSS → Halticosaurus or Liliensternus]
Taohelong: Yang J-T, You H-L, Li D-Q & Kong D-L, 2013
Tapuiasaurus: H. Zaher, D. Pol, A.B. Carvalho, P.M. Nascimento, C. Riccomini, P.L. Larson, R.D. Juárez-Valieri, R. Pires-Domingues, N.J. da Silva Jr & D.A. Campos, 2011
Tarascosaurus: J. LeLoeuff & E. Buffetaut, 1991
Tarbosaurus: Maleev, 1955
Tarchia: T. Maryanska, 1977
Tastavinsaurus: J.I. Canudo, R. Royo-Torres & Cuenca-Bescós, 2008
Tatankacephalus: W.L. Parsons & K.M. Parsons, 2009
Tatankaceratops: C.J. Ott & P.L. Larson, 2010
Tataouinea: F. Fanti, A. Cau, M. Hassine & M. Contessi, 2013
Tatisaurus: Simmons, 1965
Taurovenator: M.J. Motta, A.M. Aranciaga Rolando, S. Rozadilla, F.L. Agnolín, N.R. Chimento, F. Brissón-Eglí & F.E. Novas, 2016
Taveirosaurus: Telles Antunes & Sigogneau-Russell, 1991
Tawa (genus also refers to a Hopi mythological solar diety): S.J. Nesbitt, N.D. Smith, R.B. Irmis, A.H. Turner, A. Downs & M.A. Norell, 2009
Tawasaurus: Yang Z.J. (as Young C.C.), 1982
Tazoudasaurus: R. Allain, Aquesbi, Dejax, C. Meyer, Monbaron, Montenat, P. Richir, Rochdy, D.A. Russell & P. Taquet, 2004
Technosaurus: S. Chatterjee, 1984
Tehuelchesaurus: T. Rich, P. Vickers-Rich, Gimenez, Cúneo, Puerta & Vacca, 1999
Teihivenator: Yun C-G, 2017 [nomen dubium; composite genotype]
Teinurosaurus: F. Nopcsa, 1928 vide F. Nopcsa, 1929 [nomen dubium]
Teleocrater: S.J. Nesbitt, R.J. Butler, M.D. Ezcurra, P.M. Barrett, M.R. Stocker, K.D. Angielczyk, R.M.H. Smith, C.A. Sidor, G. Niedzwiedzki, A.G. Sennikov & A.J. Charig, 2017 [formerly Teleocrater: A.J. Charig, 1956 nomen nudum; non-dinosaurian archosaur]
Telmatosaurus: F. Nopcsa, 1903
Tenantosaurus: B. Brown vide D. Chure & McIntosh, 1989 [nomen nudum → Tenontosaurus]
Tendaguria: J.F. Bonaparte, Heinrich & Wild, 2000
Tengrisaurus: A.O. Averianov & P. Skutschas, 2017
Tenontosaurus: J.H. Ostrom, 1970
Teratophoneus: T.D. Carr, T.E. Williamson, B.B. Britt & K. Stadtman, 2011
Terminocavus: D.W. Fowler & E.A. Freedman Fowler, 2020
Tethyshadros: F.M. Dalla Vecchia, 2009
Tetragonosaurus: Parks, 1931 [nomen rejectum → Procheneosaurus]
Texacephale: N.R. Longrich, J. Sankey, & D. Tanke, 2010
Texasetes: Coombs, 1995
Teyuwasu: Kischlat, 1999
Thanatotheristes: J.T. Voris, F. Therrien, D.K. Zelenitsky & C.M.Brown, 2020
Thanos: R. Delcourt & F.V. Iori, 2018
Tharosaurus: S. Bajpai, D. Datta, P. Pandey, T. Ghosh, K. Kumar & D. Bhattacharya, 2023
Thecocoelurus: F. von Huene, 1923 [nomen dubium]
Thecodontosaurus: Riley & Stutchbury, 1836
Thecospondylus: H.G. Seeley, 1882 [nomen dubium]
Theiophytalia: Brill & K. Carpenter, 2006
Therizinosaurus: Maleev, 1954
Therosaurus: L.J. Fitzinger, 1840 [JOS → Iguanodon]
Thescelosaurus: Gilmore, 1913
Thespesius: J. Leidy, 1856 [nomen dubium]
Thotobolosaurus: Ellenberger, 1972 [nomen nudum → Kholumolumo]
Thyreosaurus: O. Zafaty, M. Oukassou, F. Riguetti, J. Company, S. Bendrioua, R. Tabuce, A. Charrière & X. Pereda-Suberbiola, 2024
Tianchisaurus: Dong Z-M, 1993 [nomen dubium]
Tianchungosaurus: Zhao X, 1983 [nomen nudum]
Tiantaisaurus: Dong Z-M, Chen K-Q. & Jiang y, 2007 [nomen manuscriptum]
Tianyulong: Zheng X-T, You H-L, Xu X. & Dong Z-M, 2009
Tianyuraptor: Zheng X-T, Xu X, You H-L, Zhao Q, & Dong Z-M, 2009
Tianzhenosaurus: Pang & Cheng Z, 1998
Tichosteus: E.D. Cope, 1877 [nomen dubium]
Tienshanosaurus: Yang Z.J. (as Young C.C.), 1937
Tietasaura: K.L.N. Bandeira, B.A. Navarro, R.V. Pêgas, N.S. Brilhante, A.S. Brum, L.G. de Souza, R.C. da Silva & V. Gallo, 2024
Timimus: T. Rich & P. Vickers-Rich, 1994
Timurlengia: S.L. Brusatte, A.O. Averianov, H-D Sues, A. Muir & I.B. Butler, 2016
Titanoceratops: N.R. Longrich, 2011 [PSS → Pentaceratops]
Titanomachya: A. Pérez-Moreno, L. Salgado, J.L. Carballido, A. Otero & D. Pol, 2024
Titanosaurus: R. Lydekker, 1877 [nomen dubium]
Titanosaurus: O.C. Marsh, 1877 / R. Lydekker, 1877 → Atlantosaurus [nomen dubium]
Tlatolophus: Á.A. Ramírez-Velasco, F.J. Aguilar, R. Hernández-Rivera, J.L. Gudiño Maussán, M.L. Rodríguez & J. Alvarado-Ortega, 2021
Tochisaurus: S.M. Kurzanov & H. Osmólska, 1991
Tomodon: J. Leidy, 1865 / A. Duméril, 1853 → Diplotomodon
Tonganosaurus: Li K, Yang C-Y, Liu J. & Wang Z-X, 2010
Tongtianlong: Lü J-C, Chen R, S.L. Brusatte, Zhu Y-X & Shen C, 2016
Tonouchisaurus: R. Barsbold, 1994 [nomen nudum]
Torilion: K. Carpenter & Y. Ishida, 2010 [JOS → Barilium]
Tornieria: Sternfeld, 1911
Torosaurus: O.C. Marsh, 1891 [PSS → Triceratops]
Torvosaurus: P.M. Galton & J.A. Jensen, 1979
Tototlmimus: C.I. Serrano-Brañas, E. Torres-Rodríguez, P.C. Reyes-Luna, I. González-Ramírez, C. González-León, 2015
Trachodon: J. 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.)
Tralkasaurus: M.A. Cerroni, M.J. Motta, F.L. Agnolín, A.M. Aranciaga Rolando, F. Brissón-Eglí & F.E. Novas, 2019
Transylvanosaurus: F.J. Augustin, D. Bastiaans, M.D. Dumbravă & Z. Csiki-Sava, 2022
Tratayenia: J.D. Porfiri, R.D. Juárez-Valieri, D.D.D. Santos & M.C. Lamanna, 2018
Traukutitan: R.D. Juárez-Valieri & J.O. Calvo, 2011
Triceratops: O.C. Marsh, 1889
Trierarchuncus: D.W. Fowler, J.P. Wilson, E.A. Freedman Fowler, C.R. Noto, D. Anduza & J.R. Horner, 2020
Trigonosaurus: D.A. Campos, A.W.A. Kellner, Bertini & R.A. Santucci, 2005
Trimucrodon: Thulborn, 1973
Trinisaura: R.A. Coria, J.J. Moly, M. Reguero, S. Santillana & S. Marenssi, 2013
Triunfosaurus: I. de Souza Carvalho, L. Salgado, R.M. Lindoso, H.I. de Araújo-Júnior, F.C. Costa Nogueira, J.A. Soares, 2017
Troödon: J. Leidy, 1856 [nomen dubium; PSS → Latenivenatrix, Polyodontosaurus, Stenonychosaurus]
Tsaagan: M.A. Norell, J.M. Clark, A.H. Turner, P.J. Makovicky, R. Barsbold & T. Rowe, 2006
Tsagantegia: T.A. Tumanova, 1993
Tsintaosaurus: Yang Z.J. (as Young C.C.), 1958
Tuebingosaurus: O.R. Regalado Fernández & I. Werneburg, 2022
Tugulusaurus: Dong Z-M, 1973
Tuojiangosaurus: Dong Z-M, Li X-M, Zhou S. & Zhang Y-H, 1977
Turanoceratops: Nessov & Kaznyshkina vide Nessov, Kaznyshkina & Cherepanov, 1989
Turiasaurus: R. Royo-Torres, A. Cobos & L. Alcalá, 2006
Tylocephale: T. Maryanska & H. Osmólska, 1974
Tylosteus: J. Leidy, 1872 [nomen oblitum; SSS → Pachycephalosaurus]
Tyrannomimus: S. Hattori, M. Shibata, S. Kawabe, T. Imai, H. Nishi & Y. Azuma, 2023
Tyrannosaurus: H.F. Osborn, 1905
Tyrannotitan: F.E. Novas, S. de Valai, P. Vickers-Rich & T. Rich, 2005
Tyreophorus: F. von Huene, 1929 [nomen nudum]

Uberabatitan: L. Salgado & I. de Souza Carvalho, 2008
Ubirajara: R.S.H. Smyth, D.M. Martill, E. Frey, H.E. Rivera-Sylva & N. Lenz, 2020
Udanoceratops: S.M. Kurzanov, 1992
Udelartitan: M. Soto, J.I. Carballido, M.C. Langer, J.C.G. Silva Jr, F. Montenegro & D. Perea, 2024
Ugrosaurus: Cobabe & Fastovsky, 1987 [JSS → Triceratops]
Ugrunaaluk: H. Mori, P.S. Druckenmiller & G.M. Erickson, 2015 [PSS → Edmontosaurus]
Uintasaurus: Holland, 1919 [JSS → Camarasaurus]
Ultrasauros: J.A. Jensen vide G. Olshevsky, 1991 [JSS → Supersaurus]
Ultrasaurus: H.M. Kim, 1983 [nomen dubium]
Ultrasaurus: J.A. Jensen, 1985 / H.M. Kim, 1983 → Ultrasauros
Ulughbegsaurus: K. Tanaka, O.U.O. Anvarov, D.K. Zelenitsky, A.S. Ahmedshaev & Y. Kobayashi, 2021
Umarsaurus: T. Maryanska & H. Osmólska, 1981 vide G. Olshevsky, 1992 [nomen nudum → Barsboldia]
Unaysaurus: L.A. Leal, S.A.K. Azevedo, A.W.A. Kellner & A.A.S. Da Rosa, 2004
Unenlagia: Nova & Puerta, 1997
Unescoceratops: M.J. Ryan, D.C. Evans, P.J. Currie, C.M. Brown & D. Brinkman, 2011 [2012]
Unquillosaurus: J.E. Powell, 1979
Urbacodon: A.O. Averianov & H-D Sues, 2007
Utahceratops: S.D. Sampson, M.A. Loewen, A.A. Farke, E.M. Roberts, C.A. Forster, J.A. Smith & A.L. Titus, 2010
Utahraptor: J.I. Kirkland, Burge & Gaston, 1993
Uteodon: A.T. McDonald, 2011 [PSS → Camptosaurus]

Vagaceratops: S.D. Sampson, M.A. Loewen, A.A. Farke, E.M. Roberts, C.A. Forster, J.A. Smith & A.L. Titus, 2010
Vahiny: K.C. Rogers & J.A. Wilson, 2014
Valdoraptor: G. Olshevsky, 1991
Valdosaurus: P.M. Galton, 1977
Vallibonavenatrix: E. Malafaia, J.M. Gasulla, F. Escaso, I. Narváez, J.L. Sanz & F. Ortega, 2019
Variraptor: J. LeLoeuff & E. Buffetaut, 1998
Vayuraptor: A. Samathi, P. Chanthasit & P.M. Sander, 2019
Vectaerovenator: C.T. Barker, D. Naish, C.E. Clarkin, P. Farrell, G. Hullmann, J. Lockyer, P. Schneider, R.K.C. Ward & N.J. Gostling, 2020
Vectensia: Delair, 1982 [nomen nudum → Hylaeosaurus]
Vectidromeus: N.R. Longrich, D.M. Martill, M. Munt, M. Green, M. Penn & S. Smith, 2023 (announced), 2024 (published)
Vectipelta: S.Pond, S.J. Strachan, T.J. Raven, M.I. Simpson, K. Morgan & S.C.R. Maidment, 2023
Vectiraptor: N.R. Longrich, D.M. Martill & M.L. Jacobs, 2021
Vectisaurus: J.W. Hulke, 1879 [JSS → Iguanodon]
Velafrons: T.A. Gates, S.D. Sampson, Delgado deJesús, L.E. Zanno, D.A. Eberth, R. Hernández-Rivera, M.C. Aguillón-Martínez & J.I. Kirkland, 2007
Velocipes: F. von Huene, 1932 [nomen dubium]
Velociraptor: H.F. Osborn, 1924
Velocisaurus: J.F. Bonaparte, 1991
Venenosaurus: Tidwell, K. Carpenter & S. Meyer, 2001
Vespersaurus: M.C. Langer, N. de Oliveira Martins, P.C. Manzig, G. de Souza Ferreira, J.C. de Almeida Marsola, E. Fortes, R. Lima, L.C.F. Sant´ana, L. da Silva Vidal, R.H. da Silva Lorençato & M.D. Ezcurra, 2019
Veterupristisaurus: O.W.M. Rauhut, 2011
Viavenator: L.S. Filippi, A.H. Méndez, R.D. Juárez Valieri & A.C. Garrido, 2016
Vitakridrinda: M.S. Malkani, 2006
Vitakrisaurus: M.S. Malkani, 2010
Volgatitan: A.O. Averianov & V. Efimov, 2018
Volkheimeria: J.F. Bonaparte, 1979
Vouivria: P.D. Mannion, R. Allain & O. Moine, 2017
Vulcanodon: Raath, 1972

Wadhurstia: K. Carpenter & Y. Ishida, 2010 [JOS → Hypselospinus]
Wakinosaurus: Okazaki, 1992
Walgettosuchus: F. von Huene, 1932
Walkeria (genus also refers to a bryozoa): S. Chatterjee, 1987 / J. Fleming, 1823 → Alwalkeria
Walkersaurus: Welles, H.P. Powell & Pickering vide Pickering, 1995 [nomen nudum → Duriavenator]
Wamweracaudia: P.D. Mannion, P. Upchurch, D. Schwarz & O. Wings, 2019
"Wangonisaurus": G. Maier, 2003 [nomen nudum → Giraffatitan]
Wannanosaurus: Hou, 1977
Weewarrasaurus: P.R. Bell, M.C. Herne, T, Brougham & E.T. Smith, 2018
Wendiceratops: D.C. Evans & M.J. Ryan, 2015
Wiehenvenator: O.W.M. Rauhut, Tom R. Hübner & K-P Lanser, 2016
Willinakaqe: R.D. Juárez-Valieri, J.A. Haro, L.E. Fiorelli & J.O. Calvo, 2011
Wintonotitan: S.A. Hocknull, M.A. White, T.R. Tischler, A.G. Cook, N.D. Calleja, T. Sloan, D.A. Elliott, 2009
Wuerhosaurus: Dong Z-M, 1973 [PSS → Stegosaurus]
Wulagasaurus: P. Godefroit, Hai, Yu T. & Lauters, 2008
Wulatelong: Xu X, Tan Q-W, Wang S, C. Sullivan, D.W.E. Hone, Han F-L, Ma Q-Y, Tan L. & Xiao D, 2013
Wulong: A.W. Poust, Gao C-L, D.J. Varriccho, Wu J-L & Zhang F-J, 2020
Wyomingraptor: [Anonymous], 1997 [nomen nudum → Allosaurus]

Xenoceratops: M.J. Ryan, D.C. Evans & K.M. Shepherd, 2012
Xenoposeidon: M.P. Taylor & D. Naish, 2007
Xenotarsosaurus: R.D. Martínez, Gimenez, Rodriguez & Bochatey, 1986
Xianshanosaurus: Lü J-C, Xu L, Jiang X, Jia S, Li M, Yuan, Zhang X-L & Ji Q, 2009
Xiaosaurus: Dong Z-M & Tang Z, 1983
Xiaotingia: Xu X, You H-L, Du K. & Han F, 2011 [possible bird]
Xinghesaurus: Y. Hasegawa, K. Carpenter, M.C. Lamanna & Xu X, 2009 [nomen nudum; in Japanese guidebook "Dinosaur Expo 2009: The Miracle of Deserts"]
Xingtianosaurus: Qiu R, Wang X-L, Wang Q, Li N, Zhang J-L & Ma Y, 2019
Xingxiulong: Wang Y-M, You H-L & Wang T, 2017
Xinjiangovenator: O.W.M. Rauhut & Xu X, 2005
Xinjiangtitan: Wu W-H, Zhou C-F, O. Wings, T. Sekiya & Dong Z-M, 2013
Xiongguanlong: Li D-Q, M.A. Norell, Gao K-Q, N.D. Smith & P.J. Makovicky, 2009
Xixianykus: Xu X, Wang D-Y, C. Sullivan, D.W.E. Hone, Han F-L, Yan R-H, & Du F-M, 2010
Xixiasaurus: Lü J-C, Xu L, Liu Y-Q, Zhang X-L, Jia S. & Ji Q, 2010
Xixiposaurus: Sekiya T, 2010
Xiyunykus: Xu X, J.N. Choiniere, Tan Q, R.B.J. Benson, J.M. Clark, C. Sullivan, Zhao Q, Han F, Ma Q, He Y, Wang S, Xing H. & Tan L, 2018
Xuanhanosaurus: Dong Z-M, 1984
Xuanhuaceratops: Zhao X, Cheng Z, Xu X. & P.J. Makovicky, 2006
Xuanhuasaurus: Zhao X. (as Chao S.), 1985 [nomen nudum → Xuanhuaceratops]
Xunmenglong: Xing L, T. Miyashita, Wang D-H, Niu K-C. & P.J. Currie, 2019
Xuwulong: You H-L, Li D-Q & Liu W, 2011

Yaleosaurus: F. von Huene, 1932 [JSS → Anchisaurus]
Yamaceratops: P.J. Makovicky & M.A. Norell, 2006
Yamanasaurus: S. Apesteguía, J.E. Soto Luzuriaga, P.A. Gallina, J.T. Granda & G.A. Guamán Jaramillo, 2019
Yamatosaurus: Y. Kobayashi, R. Takasaki, K. Kubota & A.R. Fiorillo, 2021
Yanbeilong: Jia L, Li N, Dong L-Y, Shi J-R, Kang Z-S, Wang S-Z, Xu S-C & You H-L, 2024
Yandusaurus: He X, 1979
Yangchuanosaurus: Dong Z-M, Chang Y-H. (as Chang Y.), Li X-M. & Zhou S, 1978
Yaverlandia: P.M. Galton, 1971
Yehuecauhceratops: H.E. Rivera-Sylva, E. Frey, W. Stinnesbeck, J.R. Guzmán-Gutiérrez & A.H. González-González, 2017
Yi (Yi qi): Xu X,Zheng X-T, C. Sullivan, Wang X-L, Xing L, Wang Y, Zhang X-M, J.K. O'Connor, Zhang F-C & Pan Y-H, 2015
Yibinosaurus: Ouyang H, 2001
Yimenosaurus: Bai vide Bai, Yang J. & Wang G-H, 1990
Yingshanosaurus: Zhou S, 1994
Yinlong: Xu X, C.A. Forster, J.M. Clark & Mo, 2006
Yixianosaurus: Xu X. & Wang X-L, 2003 [possible bird]
Yizhousaurus: Zhang Q-N, You H-L, Wang T. & S. Chatterjee, 2018
Yongjinglong: Li L-G, Li D-Q, You H-L & P. Dodson, 2014
Ypupiara: A.S. Brum, R.V. Pêgas, K.L.N. Bandeira, L.G. Souza, D.A. Campos & A.W.A. Kellner, 2021
Yuanmousaurus: Lü J-C, Li S, Ji Q, Wang G-F, Zhang J-H & Dong Z-M, 2006
Yubasaurus: He X, 1975 ? [nomen nudum → Yandusaurus]
Yueosaurus: Zheng W, Jin X, M. Shibata, Y. Azuma & Yu F, 2011
Yulong: Lü J-C, P.J. Currie, Xu L, Zhang X-L, Pu H & Jia S, 2013
Yunganglong: Wang R-F, You H-L, Xu S-C, Wang S-Z, Yi J, Xie L-J, Jia L & Li Y-X, 2013
Yunmenglong: Lü J-C, Xu L, Pu H, Zhang X-L, Zhang Y-Y, Jia S, Chang H, Zhang J-M & Wei X-F, 2013
Yunnanosaurus: Yang Z.J. (as Young C.C.), 1942
Yunxianosaurus: Li Z-Q, 2001 [nomen nudum]
Yunyangosaurus: Dai H, R. Benson, Hu X, Ma Q, Tan C, Li N, Xiao M, Hu H-J, Zhou Y, Wei Z-Y, Zhang F, Jiang S, Li D-L, Peng G-Z, Yu Y & Xu X, 2020
Yurgovuchia: P. Senter, J.I. Kirkland, D.D. DeBlieux, S.K. Madsen & N. Toth, 2012
Yutyrannus: Xu X, Wang K, Zhang K, Ma Q, Xing L, C. Sullivan, Hu D, Cheng S. & Wang S, 2012
Yuxisaurus: Yao X, P.M. Barrett, Yang L, Xu X. & Bi S-D, 2022
Yuzhoulong: Dai H, Tan C, Xiong C, Ma Q, Li N, Yu H, Wei Z, Wang P, Yi J, Wei G, You H & Ren X, 2022

Zalmoxes: D.B. Weishampel, Jianu, Z. Csiki & D.B. Norman, 2003
Zanabazar: M.A. Norell, P.J. Makovicky, G.S. Bever, A.M. Balanoff, J.M. Clark, R. Barsbold & T. Rowe, 2009
Zapalasaurus: L. Salgado, I. de Souza Carvalho & A.C. Garrido, 2006
Zapsalis: E.D. Cope, 1876
Zaraapelta: V.M. Arbour, P.J. Currie & D. Badamgarav, 2014
Zby: O. Mateus, P.D. Mannion & P. Upchurch, 2014
Zephyrosaurus: H-D Sues, 1980
Zhanghenglong: Xing H, Wang D, Han F, C. Sullivan, Ma Q, He Y, D.W.E. Hone, Yan R, Du F. & Xu X, 2014
Zhejiangosaurus: Lü J-C, Jin X, Sheng, Li Y-H, Wang G-P & Y. Azuma, 2007 [nomen dubium]
Zhenyuanlong: Lü J-C, S.L. Brusatte, 2015
Zhongjianosaurus: Xu X. & Qin Z-C, 2017
Zhongornis: Gao C, L.M. Chiappe, Meng Q, J.K. O'Connor, Wang X-R, Cheng X. & Liu J-Y, 2008
Zhongyuansaurus: Xu L, Lü J-C, Zhang X-L, Jia S, Hu W, Zhang J-M, Wu Y. & Ji Q, 2007 [PSS → Gobisourus]
Zhuchengceratops: Xu X, Wang K, Zhao X, C. Sullivan & Chen S, 2010
Zhuchengosaurus: Zhao X, Li D-J, Han G, Zhao H, Liu F, Li L. & Fang X, 2007 [PSS → Shantungosaurus]
Zhuchengtitan: Mo J-Y, Wang K-B, Chen S-Q, Wang P-Y & Xu X, 2017
Zhuchengtyrannus: D.W.E. Hone, Wang K, C. Sullivan, Zhao X, Chen S, Li D, Ji S, Ji Q & Xu X, 2011
Ziapelta: V.M. Arbour, M.E. Burns, R.M. Sullivan, S.G. Lucas, A.K. Cantrell, J. Fry & T.L. Suazo, 2014
Zigongosaurus: Hou L-H, Chao & Chu S, 1976 [JSS → Mamenchisaurus]
Zizhongosaurus: Dong Z-M, Zhou S. & Zhang Y-H, 1983
Zuniceratops: Wolfe & J.I. Kirkland, 1998
Zuolong: J.N. Choiniere, J.M. Clark, C.A. Forster & Xu X, 2010
Zuoyunlong: Wang R-F, You H-L, Wang S-Z, Xu S-C, Yi J, Xie L-J, Jia L. & Xing H, 2015
Zupaysaurus: A.B. Arcucci & R.A. Coria, 2003
Zuul: V.M. Arbour & D.C. Evans, 2017

not presently considered to be dinosaurian (*)

Aachenosaurus: G. Smets, 1888 * [nomen dubium; petrified wood]
Actiosaurus: H.E. Sauvage, 1882 * [nomen dubium; probably ichthyosaur]
Aggiosaurus: Ambayrac, 1913 * [metriorhychid crocodilian]
Albisaurus: Fritsch, 1905 * [nomen dubium; possible marine reptile]
Ankistrodon: T.H. Huxley, 1865 * [proterosuchian archosaur]
Anthodon: R. Owen, 1876 * [pareiasaur]
Archaeopteryx: H. von Meyer, 1861 * [bird]
Archaeornis: Petronievics vide Petronievics & Woodward, 1917 * [bird; PSS → Archaeopteryx]
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: H.G. Seeley, 1898 / C.D. Walcott, 1889 * → Avalonianus [non-dinosaurian anchosaur]
Avalonianus: Kuhn, 1961 * [nomen dubium; non-dinosaurian archosaur]
Avisaurus: M.K. Brett-Surman & G.S. Paul, 1985 * [enantiornithan bird]
Azendohsaurus: J-M Dutuit, 1972 * [non-dinosaurian archosaur]
Basutodon: F. von Huene, 1932 * [nomen dubium; non-dinosaurian archosaur]
Bathygnathus: J. Leidy, 1854 * [nomen dubium; pelycosaur]
Belodon: H. von Meyer, 1842 * [phytosaur]
Brachytaenius: H. von Meyer, 1842 * [nomen dubium; non-dinosaurian reptile]
Brasileosaurus: F. 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: R. Owen, 1841 * [nomen dubium; non-dinosaurian archosaur]
Clarencea: A.S. Brink, 1959 * [sphenosuchian archosaur]
Clepsysaurus: I. Lea, 1851 * [phytosaur]
Coelurosauravus: Piveteau, 1926 * [gliding prolacertiform reptile]
Colonosaurus: O.C. Marsh, 1872 * [ichthyornithid bird, probably Ichthyornis]
Crosbysaurus: Heckert, 2004 * [non-dinosaurian archosaur]
Cystosaurus: Geoffroy Saint-Hilaire, 1833 * [nomen oblitum; probable teleosaurid crocodyliform]
Dakosaurus: F.A. Quenstedt, 1856 * [crocodilian]
Dasygnathoides: Kuhn, 1961 * [pseudosuchian archosaur, PSS → Ornithosuchus]
Dasygnathus: T.H. Huxley, 1877 / MacLeay, 1819 * → Dasygnathoides [pseudosuchian archosaur]
Deuterosaurus: Eichwald, 1860 * [therapsid]
Dianchungosaurus: Yang Z.J. (as Young C.C.), 1982 * [crocodilian]
Doratodon: H.G. 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: R. Lydekker, 1885 * [PSS → Ankistrodon; proterosuchid archosaur]
Eupodosaurus: G.A. Boulenger, 1891 * [nomen dubium; probable marine reptile]
Eurolimnornis: Kessler & Jurcsak, 1986 * [probable bird]
Futabasaurus: Lambert, 1990 [nomen nudum; this name has since been used for a plesiosaur (T. Sato, Y. Hasegawa & M. Manabe, 2006)]
Galesaurus: R. Owen, 1859 * [therapsid]
Galtonia: Huber, S.G. Lucas & A.P. Hunt, 1993 * [non-dinosaurian archosaur; PSS → Revueltosaurus]
Gobipteryx: Elzanowski, 1974 * [enantiornithan bird]
Gracilisuchus: Romer, 1972 * [non-dinosaurian archosaur]
Griphornis: R. Owen vide Woodward, 1862 * [nomen rejectum → Archaeopteryx; bird]
Griphosaurus: J.A. Wagner, 1861 * [nomen rejectum → Archaeopteryx; bird]
Gwyneddosaurus: Bock, 1945 * [PSS → Tanytrachelos (prolacertiform)]
Hallopus: O.C. Marsh, 1881 * [crocodilian]
Herbstosaurus: Casamiquela, 1974 * [pterosaur]
Hypselorhachis: A.J. Charig, 1967 vide R.J. Butler, P.M. Barrett, R.L. Abel & D.J. Gower, 2009 * [ctenosauriscid archosaur]
Jurapteryx: Howgate, 1985 * [PSS → Archaeopteryx; bird]
Krzyzanowskisaurus: Heckert, 2005 * [non-dinosaurian archosaur; PSS → Revueltosaurus]
Kuszholia: Nessov, 1992 * [bird]
Laornis: O.C. Marsh, 1870 * [bird]
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]
Macelognathus: O.C. Marsh, 1884 * [crocodilian]
Macroscelosaurus: Muenster vide von Meyer, 1847 * [nomen nudum → likely Tanystropheus; prolacertiform reptile]
Ornithosuchus: Newton, 1894 * [pseudosuchian archosaur]
Oculudentavis: Xing L, J.K. O'Connor, L. Schmitz, L.M. Chiappe, R.C. McKellar, Yi Q. & Li G, 2020 * [lizard]
Ostromia: C. Foth & O.W.M. Rauhut, 2017 * [bird; PSS → Archaeopteryx]
Palaeoctonus: E.D. 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: L.J. 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: R. Owen, 1876 * [non-dinosaurian reptile]
Patricosaurus: H.G. Seeley, 1887 * [lepidosaur / archosaur chimera]
Pekinosaurus: A.P. Hunt & S.G. Lucas, 1994 * [non-dinosaurian archosaur; PSS → Revueltosaurus]
Picrodon: H.G. Seeley, 1898 * [nomen dubium; PSS → Avalonianus; non-dinosaurian archosaur]
Pneumatoarthrus: E.D. Cope, 1870 * [nomen dubium; turtle]
Poposaurus: Mehl, 1915 * [poposaurian archosaur]
Postosuchus: S. Chatterjee, 1985 * [rauisuchian archosaur]
Procerosaurus: F. von Huene, 1902 * [prolacertiform reptile; PSS → Tanystropheus]
Protecovasaurus: Heckert, 2004 * [non-dinosaurian archosaur]
Protorosaurus: H. von Meyer, 1830 * [non-dinosaurian reptile]
Rachitrema: H.E. Sauvage, 1882 * [nomen dubium; probably ichthyosaur]
Razanandrongobe: S. Maganuco, C. Dal Sasso & G. Pasini, 2006 vide C. Dal Sasso, G. Pasini, G. Fleury & S. Maganuco, 2017 * [mesoeucrocodylian]
Revueltosaurus: A.P. Hunt, 1989 * [non-dinosaurian archosaur]
Rhopalodon: Fischer von Waldheim, 1841 * [therapsid]
Riojasuchus: J.F. Bonaparte, 1969 * [ornithosuchid archosaur]
Scaphonyx: Woodward, 1908 * [rhynchosaur]
Scleromochlus: Woodward, 1907 * [non-dinosaurian archosaur]
Shuvosaurus: S. Chatterjee, 1993 * [poposaurian archosaur]
Smilodon: F. Plieninger, 1846 / P.W. Lund, 1842 * → Zanclodon [non-dinosaurian archosaur]
Sphenosaurus: H. von Meyer, 1847 * [procolophonid]
Spinosuchus: F. von Huene, 1932 * [non-dinosaurian reptile]
Spondylosoma: F. von Huene, 1942 * [rauisuchid]
Squalodon: Grateloup, 1840 * [cetacean]
Stereosaurus: H.G. Seeley, 1869 * [nomen nudum; probably plesiosaur]
Succinodon: F. von Huene, 1941 * [mollusk borings]
Suchoprion: E.D. Cope, 1877 * [nomen dubium; phytosaur]
Tanystropheus: H. von Meyer, 1855 * [prolacertiform reptile]
Tapinocephalus: R. Owen, 1876 * [therapsid]
Tecovasaurus: A.P. Hunt & S.G. Lucas, 1994 * [non-dinosaurian archsaur]
Teratosaurus: H. von Meyer, 1861 * [teratosaurid archosaur]
Termatosaurus: H. von Meyer & F. Plieninger, 1844 * [nomen dubium; phytosaur]
Trialestes: J.F. Bonaparte, 1982 * [crocodilian]
Triassolestes: Reig, 1963 / Tillyard, 1918 * → Trialestes [crocodilian]
Tribelesodon: F. Bassani, 1886 * [JSS → Tanystropheus; prolacertiform reptile]
Unicerosaurus: Baugh vide Armstrong, 1987 * [nomen nudum; fish]
Venaticosuchus: J.F. Bonaparte, 1971 * [ornithosuchid archosaur]
Wellnhoferia: Elzanowski, 2001 * [bird]
Wyleyia: C.J.O. Harrison & C.A. Walker, 1973 * [enantiornithan bird]
Yezosaurus: Obata & Muramoto vide Muramoto, 1977 * [nomen nudum; PSS → Moanasaurus (mosasaur)]
Zanclodon: F. Plieninger, 1846 * [nomen dubium; non-dinosaurian archosaur]
Zatomus: E.D. Cope, 1871 * [nomen dubium; non-dinosaurian archosaur]

Maintained by Robert Margulski; E-Mail your comments to: RLM07@Margulski.name