Campanian | Open Paleo

A

Abdarainurus Averianov & Lopatin, 2020 SomphospondyliCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Abelisaurus Bonaparte & Novas, 1985 AbelisauridaeCampanian (83.6–72.2 Ma)Argentinaunder dispute
Achelousaurus Sampson, 1995 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Acristavus Gates et al., 2011 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Adamantisaurus Santucci & Bertini, 2006 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Brazil
Adelolophus Gates et al., 2014 LambeosaurinaeCampanian (83.6–72.2 Ma)United States
Aeolosaurus Powell, 1987 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Aepyornithomimus Chinzorig et al., 2017 OrnithomimidaeCampanian (83.6–72.2 Ma)Mongolia
Aerosteon Sereno et al., 2008 MegaraptoridaeCampanian (83.6–72.2 Ma)Argentina
Agujaceratops Lucas et al., 2006 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Ahshislepelta Burns & Sullivan, 2011 AnkylosauriaCampanian (83.6–72.2 Ma)United Statesunder dispute
Ahshislesaurus Dalman et al., 2025 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Akainacephalus Wiersma & Irmis, 2018 AnkylosaurinaeCampanian (83.6–72.2 Ma)United States
Albertaceratops Ryan, 2007 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada
Albertadromeus Brown et al., 2013 OrodrominaeCampanian (83.6–72.2 Ma)Canada
Albertavenator Evans et al., 2017 TroodontinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canadaunder dispute
Albertosaurus Osborn, 1905 AlbertosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Albinykus Nesbitt et al., 2011 ParvicursorinaeSantonian–Campanian (85.7–72.2 Ma)Mongolia
Alectrosaurus Gilmore, 1933 TyrannosauroideaConiacian–Maastrichtian (89.8–66.0 Ma)China
Aletopelta Ford & Kirkland, 2001 AnkylosauridaeCampanian (83.6–72.2 Ma)United States
Almas Pei et al., 2017 TroodontidaeCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Ampelosaurus Le Loeuff, 1995 LirainosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)France
Anasazisaurus Hunt & Lucas, 1993 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Anchiceratops Brown, 1914 ChasmosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Angulomastacator Wagner & Lehman, 2009 LambeosaurinaeCampanian (83.6–72.2 Ma)United States
Anodontosaurus Sternberg, 1929 AnkylosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Anomalipes Yu et al., 2018 CaenagnathidaeCampanian (83.6–72.2 Ma)China
Antarctopelta Salgado & Gasparini, 2006 ParankylosauriaCampanian (83.6–72.2 Ma)Antarctica
Antarctosaurus Huene, 1929 TitanosauriaCampanian (83.6–72.2 Ma)Argentina
Appalachiosaurus Carr et al., 2005 EutyrannosauriaCampanian (83.6–72.2 Ma)United States
Aquilarhinus Prieto-Márquez et al., 2020 HadrosauridaeCampanian (83.6–72.2 Ma)United States
Arackar Rubilar-Rogers et al., 2021 SaltasauroideaCampanian–Maastrichtian (83.6–66.0 Ma)Chile
Aralosaurus Rozhdestvensky, 1968 LambeosaurinaeSantonian–Campanian (85.7–72.2 Ma)Kazakhstan
Archaeornithoides Elżanowski & Wellnhofer, 1992 ManiraptoraCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Archaeornithomimus Russell, 1972 OrnithomimidaeConiacian–Maastrichtian (89.8–66.0 Ma)China
Arcovenator Tortosa et al., 2014 MajungasaurinaeCampanian (83.6–72.2 Ma)Franceunder dispute
Argyrosaurus Lydekker, 1893 TitanosauriaCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Arrhinoceratops Parks, 1925 ChasmosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Arrudatitan Silva Junior et al., 2022 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Brazil
Arstanosaurus Nomen dubium Shilin & Suslov, 1982 HadrosauridaeSantonian–Campanian (85.7–72.2 Ma)Kazakhstan
Atacamatitan Kellner et al., 2011 LithostrotiaCenomanian–Maastrichtian (100.5–66.0 Ma)Chile
Atrociraptor Currie & Varricchio, 2004 SaurornitholestinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canadaunder dispute
Atsinganosaurus Garcia et al., 2010 LirainosaurinaeCampanian (83.6–72.2 Ma)France
Aublysodon Nomen dubium Leidy, 1868 TyrannosauridaeCampanian (83.6–72.2 Ma)United States
Aucasaurus Coria et al., 2002 FurileusauriaCampanian (83.6–72.2 Ma)Argentina
Austrocheirus Ezcurra et al., 2010 NoasauridaeCampanian–Maastrichtian (83.6–66.0 Ma)Argentinaunder dispute
Austroposeidon Bandeira et al., 2016 ColossosauriaCampanian–Maastrichtian (83.6–66.0 Ma)Brazilunder dispute
Avaceratops Dodson, 1986 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Avimimus Kurzanov, 1981 OviraptorosauriaCampanian–Maastrichtian (83.6–66.0 Ma)Mongolia

B

Bactrosaurus Gilmore, 1933 HadrosauromorphaConiacian–Maastrichtian (89.8–66.0 Ma)China
Bagaceratops Maryańska & Osmólska, 1975 ProtoceratopsidaeCampanian (83.6–72.2 Ma)Mongolia
Bainoceratops Disputed Tereshchenko & Alifanov, 2003 ProtoceratopsidaeCampanian (83.6–72.2 Ma)Mongolia
Bambiraptor Burnham et al., 2000 EudromaeosauriaCampanian (83.6–72.2 Ma)United Statesunder dispute
Baotianmansaurus Zhang et al., 2009 SomphospondyliTuronian–Campanian (93.9–72.2 Ma)Chinaunder dispute
Barrosasaurus Salgado & Coria, 2009 TitanosauriaCampanian (83.6–72.2 Ma)Argentina
Batyrosaurus Godefroit et al., 2012 HadrosauroideaSantonian–Campanian (85.7–72.2 Ma)Kazakhstanunder dispute
Bistahieversor Carr & Williamson, 2010 EutyrannosauriaCampanian (83.6–72.2 Ma)United States
Bisticeratops Dalman et al., 2022 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Bonapartesaurus Cruzado-Caballero & Powell, 2017 SaurolophinaeCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Boreonykus Bell & Currie, 2015 EudromaeosauriaCampanian (83.6–72.2 Ma)Canadaunder dispute
Brachyceratops Nomen dubium Gilmore, 1914 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Brachylophosaurus Sternberg, 1953 SaurolophinaeCampanian (83.6–72.2 Ma)Canada
Brasilotitan Machado et al., 2013 RinconsauriaCampanian–Maastrichtian (83.6–66.0 Ma)Brazil
Bravasaurus Hechenleitner et al., 2020 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Breviceratops Kurzanov, 1990 ProtoceratopsidaeSantonian–Maastrichtian (85.7–66.0 Ma)Mongolia
Brontotholus Woodruff et al., 2025 PachycephalosaurinaeCampanian (83.6–72.2 Ma)United States
Byronosaurus Norell et al., 2000 TroodontinaeCampanian (83.6–72.2 Ma)Mongoliaunder dispute

C

Caenagnathus Sternberg, 1940 CaenagnathidaeCampanian (83.6–72.2 Ma)Canada
Centrosaurus Lambe, 1905 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada
Cerasinops Chinnery & Horner, 2007 LeptoceratopsidaeCampanian (83.6–72.2 Ma)United States
Ceratops Nomen dubium Marsh, 1888 CeratopsidaeCampanian (83.6–72.2 Ma)United States
Chadititan Agnolín et al., 2025 RinconsauriaCampanian (83.6–72.2 Ma)Argentina
Chasmosaurus Lambe, 1914 ChasmosaurinaeCampanian (83.6–72.2 Ma)Canada
Chingkankousaurus Nomen dubium Young, 1958 TyrannosauroideaCampanian (83.6–72.2 Ma)Chinaunder dispute
Chirostenotes Gilmore, 1924 CaenagnathidaeCampanian (83.6–72.2 Ma)Canada
Citipati Clark et al., 2001 CitipatiinaeCampanian (83.6–72.2 Ma)Mongolia
Citipes Funston, 2020 CaenagnathidaeCampanian (83.6–72.2 Ma)Canada
Claosaurus Marsh, 1890 HadrosauromorphaConiacian–Campanian (89.8–72.2 Ma)United Statesunder dispute
Coahuilaceratops Loewen et al., 2010 ChasmosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Mexico
Coahuilasaurus Longrich et al., 2024 SaurolophinaeCampanian (83.6–72.2 Ma)Mexico
Colepiocephale Sullivan, 2003 PachycephalosauridaeCampanian (83.6–72.2 Ma)Canada
Conchoraptor Barsbold, 1986 HeyuanninaeSantonian–Maastrichtian (85.7–66.0 Ma)Mongolia
Coronosaurus Ryan et al., 2012 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada
Corythosaurus Brown, 1914 LambeosaurinaeCampanian (83.6–72.2 Ma)Canada
Crittendenceratops Dalman et al., 2018 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Cryptarcus Holmes et al., 2026 ChasmosaurinaeCampanian (83.6–72.2 Ma)Canada

D

Daspletosaurus Russell, 1970 TyrannosaurinaeCampanian (83.6–72.2 Ma)Canada
Datonglong Xu et al., 2016 HadrosauroideaCenomanian–Campanian (100.5–72.2 Ma)China
Deinodon Nomen dubium Leidy, 1856 TyrannosauridaeCampanian (83.6–72.2 Ma)United States
Diabloceratops Kirkland & DeBlieux, 2010 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Diclonius Nomen dubium Cope, 1876 HadrosauridaeCampanian (83.6–72.2 Ma)United Statesunder dispute
Dinevenator Disputed Jasinski & Sullivan, 2026 TroodontinaeCampanian (83.6–72.2 Ma)United States
Diplotomodon Nomen dubium Leidy, 1868 TyrannosauroideaCampanian–Maastrichtian (83.6–66.0 Ma)United States
Dreadnoughtus Lacovara et al., 2014 LithostrotiaCampanian (83.6–72.2 Ma)Argentina
Dromaeosaurus Matthew & Brown, 1922 DromaeosaurinaeCampanian (83.6–72.2 Ma)Canada
Dynamoterror McDonald et al., 2018 TyrannosaurinaeCampanian (83.6–72.2 Ma)United States
Dyoplosaurus Parks, 1924 AnkylosaurinaeCampanian (83.6–72.2 Ma)Canada
Dysganus Nomen dubium Cope, 1876 CeratopsiaCampanian (83.6–72.2 Ma)United States

E

Edmontonia Sternberg, 1928 NodosauridaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Edmontosaurus Lambe, 1917 SaurolophinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Einiosaurus Sampson, 1995 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Elaltitan Mannion & Otero, 2012 LithostrotiaConiacian–Maastrichtian (89.8–66.0 Ma)Argentina
Eopinacosaurus Penkalski, 2026 AnkylosaurinaeCampanian (83.6–72.2 Ma)China
Epichirostenotes Sullivan et al., 2011 CaenagnathidaeCampanian (83.6–72.2 Ma)Canada
Erliansaurus Xu et al., 2002 TherizinosauroideaConiacian–Maastrichtian (89.8–66.0 Ma)Chinaunder dispute
Euoplocephalus Lambe, 1910 AnkylosaurinaeCampanian (83.6–72.2 Ma)Canada

F

Foraminacephale Schott & Evans, 2016 PachycephalosaurinaeCampanian (83.6–72.2 Ma)Canada
Furcatoceratops Ishikawa et al., 2023 CentrosaurinaeCampanian (83.6–72.2 Ma)United States

G

Garrigatitan Díez Díaz et al., 2021 LirainosaurinaeCampanian (83.6–72.2 Ma)France
Gasparinisaura Coria & Salgado, 1996 ElasmariaCampanian (83.6–72.2 Ma)Argentina
Gigantoraptor Xu et al., 2007 CaenagnathidaeConiacian–Maastrichtian (89.8–66.0 Ma)Chinaunder dispute
Gilmoreosaurus Brett-Surman, 1979 HadrosauromorphaConiacian–Maastrichtian (89.8–66.0 Ma)China
Glishades Nomen dubium Prieto-Márquez, 2010 HadrosauroideaCampanian (83.6–72.2 Ma)United Statesunder dispute
Gobivenator Tsuihiji et al., 2014 TroodontinaeCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Gondwanatitan Kellner & Azevedo, 1999 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Brazil
Gorgosaurus Lambe, 1914 AlbertosaurinaeCampanian (83.6–72.2 Ma)Canada
Goyocephale Perle et al., 1982 PachycephalosaurinaeSantonian–Maastrichtian (85.7–66.0 Ma)Mongolia
Gremlin Ryan et al., 2023 LeptoceratopsidaeCampanian (83.6–72.2 Ma)Canada
Gryposaurus Lambe, 1914 SaurolophinaeCampanian (83.6–72.2 Ma)Canada
Guemesia Agnolín et al., 2021 BrachyrostraCampanian–Maastrichtian (83.6–66.0 Ma)Argentinaunder dispute

H

Hadrosaurus Leidy, 1858 HadrosauridaeCampanian (83.6–72.2 Ma)United States
Hagryphus Zanno & Sampson, 2005 CaenagnathidaeCampanian (83.6–72.2 Ma)United States
Halszkaraptor Cau et al., 2017 HalszkaraptorinaeCampanian (83.6–72.2 Ma)Mongolia
Hanssuesia Disputed Sullivan, 2003 PachycephalosauridaeCampanian (83.6–72.2 Ma)Canada
Harenadraco Lee et al., 2023 TroodontidaeCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Haya Makovicky et al., 2011 ThescelosaurinaeSantonian–Campanian (85.7–72.2 Ma)Mongoliaunder dispute
Hesperonychus Longrich & Currie, 2009 MicroraptorinaeCampanian (83.6–72.2 Ma)Canadaunder dispute
Huabeisaurus Pang & Cheng, 2000 SomphospondyliCenomanian–Campanian (100.5–72.2 Ma)Chinaunder dispute
Huallasaurus Rozadilla et al., 2021 SaurolophinaeCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Huaxiazhoulong Zhu et al., 2025 AnkylosauridaeCampanian (83.6–72.2 Ma)China
Hulsanpes Osmólska, 1982 HalszkaraptorinaeCampanian (83.6–72.2 Ma)Mongolia
Hypacrosaurus Brown, 1913 LambeosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Hypselosaurus Nomen dubium Matheron, 1869 TitanosauriaCampanian–Maastrichtian (83.6–66.0 Ma)Franceunder dispute
Hypsibema Nomen dubium Cope, 1869 HadrosauroideaCampanian (83.6–72.2 Ma)United Statesunder dispute

I

Ibirania Navarro et al., 2022 SaltasaurinaeSantonian–Campanian (85.7–72.2 Ma)Brazil
Igai Gorscak et al., 2022 SaltasauridaeCampanian (83.6–72.2 Ma)Egypt
Invictarx McDonald & Wolfe, 2018 NodosauridaeCampanian (83.6–72.2 Ma)United States
Ischioceratops He et al., 2015 LeptoceratopsidaeCampanian (83.6–72.2 Ma)China

J

Jaculinykus Kubo et al., 2023 ParvicursorinaeCampanian (83.6–72.2 Ma)Mongolia
Jinbeisaurus Wu et al., 2020 TyrannosauroideaCenomanian–Campanian (100.5–72.2 Ma)China
Judiceratops Longrich, 2013 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States

K

Khaan Clark et al., 2001 HeyuanninaeCampanian (83.6–72.2 Ma)Mongolia
Khulsanurus Averianov & Lopatin, 2021 ParvicursorinaeCampanian (83.6–72.2 Ma)Mongolia
Kol Turner et al., 2009 ManiraptoraCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Koreanosaurus Huh et al., 2011 OrodrominaeCampanian (83.6–72.2 Ma)South Korea
Kosmoceratops Sampson et al., 2010 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Kritosaurus Brown, 1910 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Kuru Napoli et al., 2021 VelociraptorinaeCampanian–Maastrichtian (83.6–66.0 Ma)Mongolia

L

Labocania Molnar, 1974 TyrannosauroideaCenomanian–Campanian (100.5–72.2 Ma)Mexicounder dispute
Laiyangosaurus Zhang et al., 2019 SaurolophinaeCampanian (83.6–72.2 Ma)China
Lambeosaurus Parks, 1923 LambeosaurinaeCampanian (83.6–72.2 Ma)Canada
Laplatasaurus Huene, 1929 TitanosauriaCampanian (83.6–72.2 Ma)Argentina
Latenivenatrix Disputed van der Reest & Currie, 2017 TroodontinaeCampanian (83.6–72.2 Ma)Canada
Latirhinus Prieto-Márquez & Serrano-Brañas, 2012 LambeosaurinaeCampanian (83.6–72.2 Ma)Mexicounder dispute
Leptorhynchos Longrich et al., 2013 CaenagnathidaeCampanian (83.6–72.2 Ma)United States
Linhenykus Xu et al., 2011 ParvicursorinaeCampanian (83.6–72.2 Ma)China
Linheraptor Xu et al., 2010 VelociraptorinaeCampanian (83.6–72.2 Ma)Chinaunder dispute
Linhevenator Xu et al., 2011 TroodontinaeCampanian (83.6–72.2 Ma)China
Lirainosaurus Sanz et al., 1999 LirainosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Spain
Lohuecotitan Díez Díaz et al., 2016 LithostrotiaCampanian–Maastrichtian (83.6–66.0 Ma)Spainunder dispute
Lokiceratops Loewen et al., 2024 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Lophorhothon Langston, 1960 HadrosauromorphaSantonian–Campanian (85.7–72.2 Ma)United Statesunder dispute
Loricosaurus Nomen dubium Huene, 1929 TitanosauriaCampanian (83.6–72.2 Ma)Argentinaunder dispute
Lythronax Loewen et al., 2013 TyrannosaurinaeCampanian (83.6–72.2 Ma)United States

M

Machairasaurus Longrich et al., 2010 HeyuanninaeCampanian (83.6–72.2 Ma)China
Machairoceratops Lund et al., 2016 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Magnapaulia Prieto-Márquez et al., 2012 LambeosaurinaeCampanian (83.6–72.2 Ma)Mexico
Mahakala Turner et al., 2007 HalszkaraptorinaeCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Maiasaura Horner & Makela, 1979 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Malefica Prieto-Márquez & Wagner, 2022 HadrosauridaeCampanian (83.6–72.2 Ma)United States
Mansourasaurus Sallam et al., 2018 SaltasauroideaCampanian (83.6–72.2 Ma)Egyptunder dispute
Matheronodon Godefroit et al., 2017 RhabdodontidaeCampanian (83.6–72.2 Ma)France
Maxakalisaurus Kellner et al., 2006 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Brazil
Medusaceratops Ryan et al., 2010 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Menefeeceratops Dalman et al., 2021 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Mercuriceratops Ryan et al., 2014 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Mesetasaurus Soto Núñez et al., 2026 AeolosauriniConiacian–Maastrichtian (89.8–66.0 Ma)Uruguay
Mexidracon Serrano-Brañas et al., 2025 OrnithomimidaeCampanian (83.6–72.2 Ma)Mexico
Microceratus Nomen dubium Mateus, 2008 NeoceratopsiaSantonian–Campanian (85.7–72.2 Ma)China
Micropachycephalosaurus Dong, 1978 MarginocephaliaCampanian (83.6–72.2 Ma)Chinaunder dispute
Minotaurasaurus Disputed Miles & Miles, 2009 AnkylosaurinaeCampanian (83.6–72.2 Ma)Mongolia
Mochlodon Seeley, 1881 RhabdodontidaeCampanian (83.6–72.2 Ma)Austria
Monoclonius Nomen dubium Cope, 1876 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Montanoceratops Sternberg, 1951 LeptoceratopsidaeCampanian–Maastrichtian (83.6–66.0 Ma)United States
Mosaiceratops Zheng et al., 2015 NeoceratopsiaTuronian–Campanian (93.9–72.2 Ma)China

N

Naashoibitosaurus Disputed Hunt & Lucas, 1993 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Nanningosaurus Mo et al., 2007 HadrosauromorphaCenomanian–Maastrichtian (100.5–66.0 Ma)China
Nanshiungosaurus Dong, 1979 TherizinosauridaeCampanian–Maastrichtian (83.6–66.0 Ma)China
Nanyangosaurus Xu et al., 2000 HadrosauromorphaTuronian–Campanian (93.9–72.2 Ma)China
Narambuenatitan Filippi et al., 2011 LithostrotiaCampanian (83.6–72.2 Ma)Argentina
Nasutoceratops Sampson et al., 2013 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Natovenator Lee et al., 2022 HalszkaraptorinaeSantonian–Maastrichtian (85.7–66.0 Ma)Mongolia
Navajoceratops Fowler & Freedman Fowler, 2020 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Neimongosaurus Zhang et al., 2001 TherizinosauroideaConiacian–Maastrichtian (89.8–66.0 Ma)Chinaunder dispute
Nemegtomaia Lü et al., 2005 HeyuanninaeCampanian–Maastrichtian (83.6–66.0 Ma)Mongolia
Nipponosaurus Nagao, 1936 LambeosaurinaeSantonian–Campanian (85.7–72.2 Ma)Russia
Nodocephalosaurus Sullivan, 1999 AnkylosaurinaeCampanian (83.6–72.2 Ma)United States

O

Obelignathus Czepiński & Madzia, 2025 RhabdodontomorphaCampanian–Maastrichtian (83.6–66.0 Ma)Franceunder dispute
Ondogurvel Averianov & Lopatin, 2022 ParvicursorinaeCampanian (83.6–72.2 Ma)Mongolia
Oohkotokia Disputed Penkalski, 2013 AnkylosaurinaeCampanian (83.6–72.2 Ma)United States
Orkoraptor Novas et al., 2008 MegaraptoridaeCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Ornatops McDonald et al., 2021 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Ornithotarsus Nomen dubium Cope, 1869 HadrosauridaeCampanian–Maastrichtian (83.6–66.0 Ma)United States
Orodromeus Horner & Weishampel, 1988 OrodrominaeCampanian (83.6–72.2 Ma)United States
Oviraptor Osborn, 1924 OviraptoridaeCampanian (83.6–72.2 Ma)Mongolia

P

Pachyrhinosaurus Sternberg, 1950 CentrosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Palaeoscincus Nomen dubium Leidy, 1856 AnkylosauriaCampanian (83.6–72.2 Ma)United States
Panoplosaurus Lambe, 1919 NodosauridaeCampanian (83.6–72.2 Ma)Canada
Papiliovenator Pei et al., 2021 TroodontidaeCampanian (83.6–72.2 Ma)Chinaunder dispute
Paralitherizinosaurus Kobayashi et al., 2022 TherizinosauridaeCampanian (83.6–72.2 Ma)Japan
Parasaurolophus Parks, 1922 LambeosaurinaeCampanian (83.6–72.2 Ma)Canada
Paraxenisaurus Serrano-Brañas et al., 2020 DeinocheiridaeCampanian (83.6–72.2 Ma)Mexico
Paronychodon Nomen dubium Cope, 1876 ParavesCampanian (83.6–72.2 Ma)United Statesunder dispute
Parvicursor Karhu & Rautian, 1996 ParvicursorinaeCampanian–Maastrichtian (83.6–66.0 Ma)Mongolia
Pellegrinisaurus Salgado, 1996 SaltasauroideaCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Pentaceratops Osborn, 1923 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Philovenator Xu et al., 2012 TroodontinaeCampanian (83.6–72.2 Ma)Chinaunder dispute
Pinacosaurus Gilmore, 1933 AnkylosaurinaeCampanian (83.6–72.2 Ma)Mongolia
Pitekunsaurus Filippi & Garrido, 2008 ColossosauriaCampanian (83.6–72.2 Ma)Argentinaunder dispute
Platypelta Penkalski, 2018 AnkylosaurinaeCampanian (83.6–72.2 Ma)Canada
Plesiohadros Tsogtbaatar et al., 2014 HadrosauromorphaCampanian (83.6–72.2 Ma)Mongolia
Plesiolophus McFeeters et al., 2026 LambeosaurinaeCampanian (83.6–72.2 Ma)Canada
Polyodontosaurus Nomen dubium Gilmore, 1932 TroodontidaeCampanian (83.6–72.2 Ma)Canadaunder dispute
Prenoceratops Chinnery, 2004 LeptoceratopsidaeCampanian (83.6–72.2 Ma)United States
Probrachylophosaurus Freedman Fowler & Horner, 2015 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Prosaurolophus Brown, 1916 SaurolophinaeCampanian (83.6–72.2 Ma)Canada
Protoceratops Granger & Gregory, 1923 ProtoceratopsidaeCampanian (83.6–72.2 Ma)Mongolia
Pteropelyx Nomen dubium Cope, 1889 HadrosauridaeCampanian (83.6–72.2 Ma)United Statesunder dispute
Puertasaurus Novas et al., 2005 LognkosauriaCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Punatitan Hechenleitner et al., 2020 AeolosauriniCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Pycnonemosaurus Kellner & Campos, 2002 FurileusauriaCampanian–Maastrichtian (83.6–66.0 Ma)Brazil
Pyroraptor Allain & Taquet, 2000 DromaeosauridaeCampanian–Maastrichtian (83.6–66.0 Ma)Franceunder dispute

Q

Qianjiangsaurus Dai et al., 2024 HadrosauroideaSantonian–Maastrichtian (85.7–66.0 Ma)China
Qingxiusaurus Mo et al., 2008 SaltasauridaeCenomanian–Maastrichtian (100.5–66.0 Ma)China
Quaesitosaurus Kurzanov & Bannikov, 1983 NemegtosauridaeCampanian (83.6–72.2 Ma)Mongolia
Quilmesaurus Disputed Coria, 2001 FurileusauriaCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Qunkasaura Mocho et al., 2024 OpisthocoelicaudiinaeCampanian–Maastrichtian (83.6–66.0 Ma)Spain

R

Rativates McFeeters et al., 2016 OrnithomimidaeCampanian (83.6–72.2 Ma)Canada
Rhabdodon Matheron, 1869 RhabdodontidaeCampanian–Maastrichtian (83.6–66.0 Ma)France
Rhinorex Gates & Scheetz, 2014 SaurolophinaeCampanian (83.6–72.2 Ma)United States
Richardoestesia Currie et al., 1990 DromaeosauridaeCampanian (83.6–72.2 Ma)Canadaunder dispute

S

Saichania Maryańska, 1977 AnkylosaurinaeCampanian (83.6–72.2 Ma)Mongolia
Saurolophus Brown, 1912 SaurolophinaeCampanian–Maastrichtian (83.6–66.0 Ma)Canada
Saurornithoides Osborn, 1924 TroodontinaeCampanian (83.6–72.2 Ma)Mongolia
Saurornitholestes Sues, 1978 SaurornitholestinaeCampanian (83.6–72.2 Ma)Canada
Scolosaurus Nopcsa, 1928 AnkylosaurinaeCampanian (83.6–72.2 Ma)Canada
Sektensaurus Ibiricu et al., 2019 ElasmariaCampanian–Maastrichtian (83.6–66.0 Ma)Argentina
Shantungosaurus Hu, 1973 SaurolophinaeCampanian (83.6–72.2 Ma)China
Shingopana Gorscak et al., 2017 AeolosauriniCenomanian–Campanian (100.5–72.2 Ma)Tanzania
Shri Turner et al., 2021 VelociraptorinaeCampanian–Maastrichtian (83.6–66.0 Ma)Mongolia
Shuvuuia Chiappe et al., 1998 ParvicursorinaeCampanian (83.6–72.2 Ma)Mongolia
Sierraceratops Dalman et al., 2021 ChasmosaurinaeCampanian–Maastrichtian (83.6–66.0 Ma)United States
Sinankylosaurus Nomen dubium Wang et al., 2020 DinosauriaCampanian (83.6–72.2 Ma)Chinaunder dispute
Sinoceratops Xu et al., 2010 CentrosaurinaeCampanian (83.6–72.2 Ma)China
Sonidosaurus Xu et al., 2006 TitanosauriaConiacian–Maastrichtian (89.8–66.0 Ma)Chinaunder dispute
Sphaerotholus Williamson & Carr, 2003 PachycephalosaurinaeCampanian (83.6–72.2 Ma)United States
Spiclypeus Mallon et al., 2016 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Spinops Farke et al., 2011 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada
Stegoceras Lambe, 1902 PachycephalosauridaeCampanian (83.6–72.2 Ma)Canada
Stegouros Soto-Acuña et al., 2021 ParankylosauriaCampanian–Maastrichtian (83.6–66.0 Ma)Chile
Stellasaurus Wilson et al., 2020 CentrosaurinaeCampanian (83.6–72.2 Ma)United States
Stenonychosaurus Disputed Sternberg, 1932 TroodontinaeCampanian (83.6–72.2 Ma)Canada
Stephanosaurus Nomen dubium Lambe, 1914 HadrosauridaeCampanian (83.6–72.2 Ma)Canada
Struthiomimus Osborn, 1917 OrnithomimidaeCampanian (83.6–72.2 Ma)Canada
Struthiosaurus Bunzel, 1870 NodosauridaeCampanian (83.6–72.2 Ma)Austria
Styracosaurus Lambe, 1913 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada

T

Talenkauen Novas et al., 2004 ElasmariaCampanian (83.6–72.2 Ma)Argentina
Talos Zanno et al., 2011 TroodontinaeCampanian (83.6–72.2 Ma)United Statesunder dispute
Tanius Wiman, 1929 HadrosauromorphaCampanian–Maastrichtian (83.6–66.0 Ma)China
Tarascosaurus Disputed Le Loeuff & Buffetaut, 1991 AbelisauridaeCampanian (83.6–72.2 Ma)France
Tarchia Maryańska, 1977 AnkylosaurinaeCampanian (83.6–72.2 Ma)Mongolia
Teratophoneus Carr et al., 2011 TyrannosaurinaeCampanian (83.6–72.2 Ma)United States
Terminocavus Fowler & Freedman Fowler, 2020 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Tethyshadros Dalla Vecchia, 2009 HadrosauromorphaCampanian (83.6–72.2 Ma)Italyunder dispute
Texacephale Nomen dubium Longrich et al., 2010 PachycephalosauridaeCampanian (83.6–72.2 Ma)United States
Thanatotheristes Voris et al., 2020 TyrannosaurinaeCampanian (83.6–72.2 Ma)Canada
Thanos Delcourt & Iori, 2020 BrachyrostraSantonian–Campanian (85.7–72.2 Ma)Brazil
Tianzhenosaurus Disputed Pang & Cheng, 1998 AnkylosaurinaeCampanian (83.6–72.2 Ma)China
Titanoceratops Disputed Longrich, 2011 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States
Tlatolophus Ramírez-Velasco et al., 2021 LambeosaurinaeCampanian (83.6–72.2 Ma)Mexico
Tototlmimus Serrano-Brañas et al., 2016 OrnithomimidaeCampanian (83.6–72.2 Ma)Mexico
Trachodon Nomen dubium Leidy, 1856 HadrosauridaeCampanian (83.6–72.2 Ma)United States
Trinisaura Coria et al., 2013 ElasmariaCampanian (83.6–72.2 Ma)Antarctica
Tromerosaurus Powers et al., 2026 AlbertosaurinaeCampanian (83.6–72.2 Ma)Canada
Troodon Disputed Leidy, 1856 TroodontinaeCampanian (83.6–72.2 Ma)United States
Tsaagan Norell et al., 2006 VelociraptorinaeCampanian (83.6–72.2 Ma)Mongolia
Tsintaosaurus Young, 1958 LambeosaurinaeCampanian (83.6–72.2 Ma)China
Tylocephale Maryańska & Osmólska, 1974 PachycephalosaurinaeCampanian (83.6–72.2 Ma)Mongolia

U

Udanoceratops Kurzanov, 1992 LeptoceratopsidaeCampanian (83.6–72.2 Ma)Mongolia
Unescoceratops Ryan et al., 2012 LeptoceratopsidaeCampanian (83.6–72.2 Ma)Canada
Unquillosaurus Powell, 1979 AvetheropodaCampanian–Maastrichtian (83.6–66.0 Ma)Argentinaunder dispute
Utahceratops Sampson et al., 2010 ChasmosaurinaeCampanian (83.6–72.2 Ma)United States

V

Vagaceratops Sampson et al., 2010 ChasmosaurinaeCampanian (83.6–72.2 Ma)Canada
Variraptor Nomen dubium Le Loeuff & Buffetaut, 1998 ParavesCampanian–Maastrichtian (83.6–66.0 Ma)Franceunder dispute
Velafrons Gates et al., 2007 LambeosaurinaeCampanian (83.6–72.2 Ma)Mexico
Velociraptor Osborn, 1924 VelociraptorinaeCampanian (83.6–72.2 Ma)Mongoliaunder dispute
Vitosaura Jiménez Velandia et al., 2025 AbelisauridaeCampanian (83.6–72.2 Ma)Argentina

W

Wannanosaurus Hou, 1977 PachycephalosauriaCampanian (83.6–72.2 Ma)China
Wendiceratops Evans & Ryan, 2015 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada
Wulatelong Xu et al., 2013 OviraptoridaeCampanian (83.6–72.2 Ma)China

X

Xenoceratops Ryan et al., 2012 CentrosaurinaeCampanian (83.6–72.2 Ma)Canada
Xenovenator Rivera-Sylva et al., 2026 TroodontinaeCampanian (83.6–72.2 Ma)Mexicounder dispute
Xixiasaurus Lü et al., 2010 TroodontidaeConiacian–Campanian (89.8–72.2 Ma)Chinaunder dispute

Y

Yamaceratops Makovicky & Norell, 2006 NeoceratopsiaSantonian–Campanian (85.7–72.2 Ma)Mongolia
Yehuecauhceratops Rivera-Sylva et al., 2017 CentrosaurinaeCampanian (83.6–72.2 Ma)Mexico

Z

Zapsalis Nomen dubium Cope, 1876 DromaeosauridaeCampanian (83.6–72.2 Ma)United Statesunder dispute
Zaraapelta Arbour et al., 2014 AnkylosaurinaeCampanian (83.6–72.2 Ma)Mongolia
Zhuchengceratops Xu et al., 2010 LeptoceratopsidaeCampanian (83.6–72.2 Ma)China
Zhuchengtitan Mo et al., 2017 OpisthocoelicaudiinaeCampanian (83.6–72.2 Ma)China
Zhuchengtyrannus Hone et al., 2011 TyrannosaurinaeCampanian (83.6–72.2 Ma)China
Ziapelta Arbour et al., 2014 AnkylosaurinaeCampanian (83.6–72.2 Ma)United States
Zuul Arbour & Evans, 2017 AnkylosaurinaeCampanian (83.6–72.2 Ma)United States

Genera known from the Campanian

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z