Open Paleo

Jurassic

201.4–143.1 million years ago 331 genera

The genera whose type species is known from any stage of the Jurassic. The dates span the stages the dataset has genera from, so they can be narrower than the whole period.

Stages of the Jurassic

Early JurassicMiddle JurassicLate Jurassic

Genera of the Jurassic

A

  • Aardonyx Yates et al., 2010 SauropodomorphaEarly JurassicSouth Africa
  • Abrictosaurus Hopson, 1975 HeterodontosaurinaeEarly JurassicLesotho
  • Abrosaurus Ouyang, 1989 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Adeopapposaurus Martínez, 2009 SauropodomorphaEarly JurassicArgentina
  • Adratiklit Maidment et al., 2020 ThyreophoraMiddle JurassicMorocco
  • Afrovenator Sereno et al., 1994 TheropodaMiddle Jurassic–Late JurassicNiger
  • Agilisaurus Peng, 1992 NeornithischiaMiddle Jurassic–Late JurassicChina
  • Alcmonavis Disputed Rauhut et al., 2019 TheropodaLate JurassicGermany
  • Alcovasaurus Galton & Carpenter, 2016 ThyreophoraLate JurassicUnited States
  • Allosaurus Marsh, 1877 TheropodaLate JurassicUnited States
  • Alocodon Nomen dubium Thulborn, 1973 OrnithischiaMiddle Jurassic–Late JurassicPortugal
  • Alpkarakush Rauhut et al., 2024 TheropodaMiddle JurassicKyrgyzstan
  • Amanzia Schwarz et al., 2020 SauropodomorphaLate JurassicSwitzerland
  • Ambopteryx Wang et al., 2019 TheropodaMiddle JurassicChina
  • Amphicoelias Cope, 1877 SauropodomorphaLate JurassicUnited States
  • Amygdalodon Cabrera, 1947 SauropodomorphaEarly JurassicArgentina
  • Analong Ren et al., 2020 SauropodomorphaMiddle JurassicChina
  • Anchiornis Xu et al., 2009 TheropodaMiddle Jurassic–Late JurassicChina
  • Anchisaurus Marsh, 1885 SauropodomorphaEarly JurassicUnited States
  • Anhuilong Ren et al., 2020 SauropodomorphaMiddle JurassicChina
  • Antetonitrus Yates & Kitching, 2003 SauropodomorphaEarly JurassicSouth Africa
  • Aorun Choiniere et al., 2013 TheropodaMiddle JurassicChina
  • Apatodon Nomen dubium Marsh, 1877 DinosauriaEarly Jurassic–Early CretaceousUnited States
  • Apatosaurus Marsh, 1877 SauropodomorphaLate JurassicUnited States
  • Aragosaurus Sanz et al., 1987 SauropodomorphaLate Jurassic–Early CretaceousSpain
  • Archaeocursor Yao et al., 2025 OrnithischiaEarly JurassicChina
  • Archaeodontosaurus Buffetaut, 2005 SauropodomorphaMiddle JurassicMadagascar
  • Archaeopteryx Meyer, 1861 TheropodaLate JurassicGermany
  • Arcusaurus Yates et al., 2011 SauropodomorphaEarly JurassicSouth Africa
  • Ardetosaurus van der Linden et al., 2024 SauropodomorphaLate JurassicUnited States
  • Asfaltovenator Rauhut & Pol, 2019 TheropodaEarly Jurassic–Middle JurassicArgentina
  • Athenar Whitlock et al., 2025 SauropodomorphaLate JurassicUnited States
  • Atlantosaurus Nomen dubium Marsh, 1877 SauropodomorphaLate Jurassic–Early CretaceousUnited States
  • Atlasaurus Monbaron et al., 1999 SauropodomorphaMiddle JurassicMorocco
  • Aurornis Godefroit et al., 2013 TheropodaMiddle Jurassic–Late JurassicChina
  • Australodocus Remes, 2007 SauropodomorphaLate JurassicTanzania
  • Aviatyrannis Rauhut, 2003 TheropodaLate JurassicPortugal

B

  • Bagualia Pol et al., 2020 SauropodomorphaEarly JurassicArgentina
  • Baiyinosaurus Li et al., 2024 ThyreophoraMiddle JurassicChina
  • Baminornis Chen et al., 2025 TheropodaLate JurassicChina
  • Barapasaurus Jain et al., 1975 SauropodomorphaEarly JurassicIndia
  • Barosaurus Marsh, 1890 SauropodomorphaLate JurassicUnited States
  • Bashanosaurus Dai et al., 2022 ThyreophoraMiddle JurassicChina
  • Bellusaurus Dong, 1990 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Berberosaurus Allain et al., 2007 TheropodaEarly JurassicMorocco
  • Bicharracosaurus Reutter et al., 2026 SauropodomorphaLate JurassicArgentina
  • Bienosaurus Nomen dubium Dong, 2001 ThyreophoraEarly JurassicChina
  • Bothriospondylus Nomen dubium Owen, 1874 SauropodomorphaLate JurassicUnited Kingdom
  • Brachiosaurus Riggs, 1903 SauropodomorphaLate JurassicUnited States
  • Brachytrachelopan Rauhut et al., 2005 SauropodomorphaLate JurassicArgentina
  • Brohisaurus Nomen dubium Malkani, 2003 SauropodomorphaLate JurassicPakistan
  • Brontosaurus Marsh, 1879 SauropodomorphaLate JurassicUnited States

C

  • Caihong Hu et al., 2018 TheropodaLate JurassicChina
  • Callovosaurus Galton, 1980 OrnithopodaMiddle JurassicUnited Kingdom
  • Camarasaurus Cope, 1877 SauropodomorphaLate JurassicUnited States
  • Camptosaurus Marsh, 1885 OrnithopodaLate JurassicUnited States
  • Cardiodon Nomen dubium Owen, 1841 SauropodomorphaMiddle JurassicUnited Kingdom
  • Ceratocaudia Natarajan et al., 2026 SauropodomorphaEarly Jurassic–Middle JurassicIndia
  • Ceratosaurus Marsh, 1884 TheropodaLate JurassicUnited States
  • Cetiosauriscus Huene, 1927 SauropodomorphaMiddle JurassicUnited Kingdom
  • Cetiosaurus Owen, 1841 SauropodomorphaMiddle JurassicUnited Kingdom
  • Chaoyangsaurus Zhao et al., 1999 CeratopsiaLate Jurassic–Early CretaceousChina
  • Chebsaurus Mahammed et al., 2005 SauropodomorphaMiddle Jurassic–Late JurassicAlgeria
  • Chialingosaurus Nomen dubium Young, 1959 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Chienkosaurus Nomen dubium Young, 1942 TheropodaLate JurassicChina
  • Chilesaurus Novas et al., 2015 DinosauriaLate JurassicChile
  • Chinshakiangosaurus Dong, 1992 SauropodomorphaEarly JurassicChina
  • Chuandongocoelurus He, 1984 TheropodaMiddle Jurassic–Late JurassicChina
  • Chuanjiesaurus Fang et al., 2000 SauropodomorphaMiddle JurassicChina
  • Chungkingosaurus Dong et al., 1983 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Coelurus Marsh, 1879 TheropodaLate JurassicUnited States
  • Compsognathus Wagner, 1861 TheropodaLate JurassicGermany
  • Condorraptor Rauhut, 2005 TheropodaMiddle JurassicArgentina
  • Cruxicheiros Benson & Radley, 2010 TheropodaMiddle JurassicUnited Kingdom
  • Cryolophosaurus Hammer & Hickerson, 1994 TheropodaEarly JurassicAntarctica
  • Cryptosaurus Nomen dubium Seeley, 1875 ThyreophoraLate JurassicUnited Kingdom
  • Cumnoria Seeley, 1888 OrnithopodaLate JurassicUnited Kingdom

D

  • Daanosaurus Ye et al., 2005 SauropodomorphaLate JurassicChina
  • Dacentrurus Lucas, 1902 ThyreophoraLate JurassicUnited Kingdom
  • Dandakosaurus Nomen dubium Yadagiri, 1982 TheropodaEarly JurassicIndia
  • Dashanpusaurus Peng et al., 2005 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Datousaurus Dong & Tang, 1984 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Dicraeosaurus Janensch, 1914 SauropodomorphaLate JurassicTanzania
  • Dilophosaurus Welles, 1970 TheropodaEarly JurassicUnited States
  • Dinheirosaurus Bonaparte & Mateus, 1999 SauropodomorphaLate JurassicPortugal
  • Diplodocus Marsh, 1878 SauropodomorphaLate JurassicUnited States
  • Dornraptor Baron, 2024 TheropodaEarly JurassicUnited Kingdom
  • Draconyx Mateus & Telles Antunes, 2001 OrnithopodaLate JurassicPortugal
  • Dracopelta Galton, 1980 ThyreophoraLate JurassicPortugal
  • Dracoraptor Martill et al., 2016 TheropodaLate Triassic–Early JurassicUnited Kingdom
  • Dracovenator Yates, 2005 TheropodaEarly JurassicSouth Africa
  • Dryosaurus Marsh, 1894 OrnithopodaLate JurassicUnited States
  • Dubreuillosaurus Allain, 2005 TheropodaMiddle JurassicFrance
  • Duriatitan Barrett et al., 2010 SauropodomorphaLate JurassicUnited Kingdom
  • Duriavenator Benson, 2008 TheropodaMiddle JurassicUnited Kingdom
  • Dysalotosaurus Virchow, 1919 OrnithopodaLate JurassicTanzania
  • Dyslocosaurus McIntosh et al., 1992 SauropodomorphaLate JurassicUnited States
  • Dystrophaeus Cope, 1877 SauropodomorphaLate JurassicUnited States

E

  • Elaphrosaurus Janensch, 1920 TheropodaLate JurassicTanzania
  • Emausaurus Haubold, 1990 ThyreophoraEarly JurassicGermany
  • Enigmacursor Maidment & Barrett, 2025 NeornithischiaLate JurassicUnited States
  • Eoabelisaurus Pol & Rauhut, 2012 TheropodaMiddle JurassicArgentina
  • Eocursor Butler et al., 2007 OrnithischiaEarly JurassicSouth Africa
  • Eomamenchisaurus Lü et al., 2008 SauropodomorphaMiddle JurassicChina
  • Eosinopteryx Disputed Godefroit et al., 2013 TheropodaMiddle Jurassic–Late JurassicChina
  • Eousdryosaurus Escaso et al., 2014 OrnithopodaLate JurassicPortugal
  • Epidexipteryx Zhang et al., 2008 TheropodaMiddle JurassicChina
  • Eshanosaurus Xu et al., 2001 SaurischiaEarly JurassicChina
  • Europasaurus Sander et al., 2006 SauropodomorphaLate JurassicGermany
  • Eustreptospondylus Walker, 1964 TheropodaMiddle JurassicUnited Kingdom

F

  • Fabrosaurus Nomen dubium Ginsburg, 1964 OrnithischiaEarly JurassicLesotho
  • Ferganasaurus Alifanov & Averianov, 2003 SauropodomorphaMiddle JurassicKyrgyzstan
  • Ferganocephale Averianov et al., 2005 OrnithischiaMiddle JurassicKyrgyzstan
  • Fosterovenator Dalman, 2014 TheropodaLate JurassicUnited States
  • Fruitadens Butler et al., 2010 HeterodontosauridaeLate JurassicUnited States
  • Fujianvenator Xu et al., 2023 TheropodaLate JurassicChina
  • Fulengia Nomen dubium Carroll & Galton, 1977 SauropodomorphaEarly JurassicChina
  • Fushanosaurus Wang et al., 2019 SauropodomorphaMiddle Jurassic–Late JurassicChina

G

  • Galeamopus Tschopp et al., 2015 SauropodomorphaLate JurassicUnited States
  • Galvesaurus Barco et al., 2005 SauropodomorphaLate JurassicSpain
  • Gargoyleosaurus Carpenter et al., 1998 ThyreophoraLate JurassicUnited States
  • Gasosaurus Dong & Tang, 1985 TheropodaMiddle Jurassic–Late JurassicChina
  • Geranosaurus Nomen dubium Broom, 1911 HeterodontosauridaeEarly JurassicSouth Africa
  • Gigantosaurus Nomen dubium Seeley, 1869 SauropodomorphaLate JurassicUnited Kingdom
  • Gigantoscelus Nomen dubium Van Hoepen, 1916 SauropodomorphaEarly JurassicSouth Africa
  • Gigantspinosaurus Ouyang, 1992 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Giraffatitan Paul, 1988 SauropodomorphaLate JurassicTanzania
  • Glacialisaurus Smith & Pol, 2007 SauropodomorphaEarly JurassicAntarctica
  • Gongbusaurus Nomen dubium Dong et al., 1983 OrnithischiaMiddle Jurassic–Late JurassicChina
  • Gongxianosaurus He et al., 1998 SauropodomorphaEarly JurassicChina
  • Gryponyx Disputed Broom, 1911 SauropodomorphaEarly JurassicSouth Africa
  • Guanlong Xu et al., 2006 TheropodaMiddle Jurassic–Late JurassicChina

H

  • Haplocanthosaurus Hatcher, 1903 SauropodomorphaLate JurassicUnited States
  • Haplocheirus Choiniere et al., 2010 TheropodaMiddle Jurassic–Late JurassicChina
  • Hesperonyx Rotatori et al., 2023 OrnithopodaLate JurassicPortugal
  • Hesperornithoides Hartman et al., 2019 TheropodaLate JurassicUnited States
  • Hesperosaurus Carpenter et al., 2001 ThyreophoraLate Jurassic–Early CretaceousUnited States
  • Heterodontosaurus Crompton & Charig, 1962 HeterodontosaurinaeEarly JurassicSouth Africa
  • Hexinlusaurus Barrett et al., 2005 NeornithischiaMiddle Jurassic–Late JurassicChina
  • Hualianceratops Han et al., 2015 CeratopsiaMiddle Jurassic–Late JurassicChina
  • Huangshanlong Huang et al., 2014 SauropodomorphaMiddle JurassicChina
  • Huashanosaurus Mo et al., 2025 SauropodomorphaEarly Jurassic–Middle JurassicChina
  • Huayangosaurus Dong et al., 1982 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Hudiesaurus Dong, 1997 SauropodomorphaLate JurassicChina
  • Hypsirhophus Disputed Cope, 1878 ThyreophoraLate Jurassic–Early CretaceousUnited States

I

  • Ignavusaurus Knoll, 2010 SauropodomorphaEarly JurassicLesotho
  • Iliosuchus Nomen dubium Huene, 1932 TheropodaMiddle JurassicUnited Kingdom
  • Inosaurus Nomen dubium Lapparent, 1960 TheropodaMiddle JurassicNiger
  • Irisosaurus Peyre de Fabrègues et al., 2020 SauropodomorphaEarly JurassicChina
  • Isaberrysaura Salgado et al., 2017 ThyreophoraMiddle JurassicArgentina
  • Isanosaurus Buffetaut et al., 2000 SauropodomorphaLate Triassic–Late JurassicThailand

J

  • Janenschia Wild, 1991 SauropodomorphaLate Jurassic–Early CretaceousTanzania
  • Jiangjunosaurus Jia et al., 2007 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Jinchuanloong Li et al., 2025 SauropodomorphaMiddle JurassicChina
  • Jingiella Ren et al., 2025 SauropodomorphaLate JurassicChina
  • Jingshanosaurus Zhang & Yang, 1995 SauropodomorphaEarly JurassicChina
  • Jobaria Sereno et al., 1999 SauropodomorphaMiddle Jurassic–Late JurassicNiger
  • Juratyrant Brusatte & Benson, 2013 TheropodaLate JurassicUnited Kingdom
  • Juravenator Göhlich & Chiappe, 2006 TheropodaLate JurassicGermany

K

  • Kaatedocus Tschopp & Mateus, 2012 SauropodomorphaLate JurassicUnited States
  • Kaijiangosaurus Disputed He, 1984 TheropodaMiddle Jurassic–Late JurassicChina
  • Kayentavenator Disputed Gay, 2010 TheropodaEarly JurassicUnited States
  • Kentrosaurus Hennig, 1915 ThyreophoraLate JurassicTanzania
  • Kileskus Averianov et al., 2010 TheropodaMiddle JurassicRussia
  • Klamelisaurus Zhao, 1993 SauropodomorphaMiddle JurassicChina
  • Koparion Nomen dubium Chure, 1994 TheropodaLate JurassicUnited States
  • Kotasaurus Yadagiri, 1988 SauropodomorphaEarly JurassicIndia
  • Kulindadromeus Godefroit et al., 2014 NeornithischiaMiddle JurassicRussia

L

  • Lamplughsaura Kutty et al., 2007 SauropodomorphaEarly JurassicIndia
  • Laosaurus Nomen dubium Marsh, 1878 NeornithischiaLate JurassicUnited States
  • Lapparentosaurus Bonaparte, 1986 SauropodomorphaMiddle JurassicMadagascar
  • Laquintasaura Barrett et al., 2014 OrnithischiaEarly JurassicVenezuela
  • Ledumahadi McPhee et al., 2018 SauropodomorphaEarly JurassicSouth Africa
  • Leonerasaurus Pol et al., 2011 SauropodomorphaEarly JurassicArgentina
  • Leshansaurus Li et al., 2009 TheropodaMiddle Jurassic–Late JurassicChina
  • Lesothosaurus Galton, 1978 OrnithischiaEarly JurassicLesotho
  • Lexovisaurus Nomen dubium Hoffstetter, 1957 ThyreophoraMiddle JurassicUnited Kingdom
  • Leyesaurus Apaldetti et al., 2011 SauropodomorphaEarly JurassicArgentina
  • Limusaurus Xu et al., 2009 TheropodaMiddle Jurassic–Late JurassicChina
  • Lingwulong Xu et al., 2018 SauropodomorphaEarly Jurassic–Middle JurassicChina
  • Lishulong Zhang et al., 2024 SauropodomorphaEarly JurassicChina
  • Lophostropheus Ezcurra & Cuny, 2007 TheropodaLate Triassic–Early JurassicFrance
  • Loricatosaurus Maidment et al., 2008 ThyreophoraMiddle JurassicUnited Kingdom
  • Losillasaurus Casanovas et al., 2001 SauropodomorphaLate JurassicSpain
  • Lourinhanosaurus Mateus, 1998 TheropodaLate JurassicPortugal
  • Lourinhasaurus Dantas et al., 1998 SauropodomorphaLate JurassicPortugal
  • Lufengosaurus Young, 1940 SauropodomorphaEarly JurassicChina
  • Lusotitan Antunes & Mateus, 2003 SauropodomorphaLate JurassicPortugal
  • Lusovenator Malafaia et al., 2020 TheropodaLate JurassicPortugal
  • Lycorhinus Haughton, 1924 HeterodontosaurinaeEarly JurassicSouth Africa

M

  • Magnosaurus Huene, 1932 TheropodaMiddle JurassicUnited Kingdom
  • Mamenchisaurus Young, 1954 SauropodomorphaLate JurassicChina
  • Manidens Pol et al., 2011 HeterodontosaurinaeEarly JurassicArgentina
  • Maraapunisaurus Carpenter, 2018 SauropodomorphaLate JurassicUnited States
  • Marmarospondylus Nomen dubium Owen, 1874 SauropodomorphaMiddle JurassicUnited Kingdom
  • Marshosaurus Madsen, 1976 TheropodaLate JurassicUnited States
  • Massospondylus Owen, 1854 SauropodomorphaEarly JurassicSouth Africa
  • Megalosaurus Mantell, 1827 TheropodaMiddle JurassicUnited Kingdom
  • Megapnosaurus Ivie et al., 2001 TheropodaEarly JurassicZimbabwe
  • Metriacanthosaurus Walker, 1964 TheropodaLate JurassicUnited Kingdom
  • Minimocursor Manitkoon et al., 2023 NeornithischiaLate Jurassic–Early CretaceousThailand
  • Miragaia Disputed Mateus et al., 2009 ThyreophoraLate JurassicPortugal
  • Monkonosaurus Nomen dubium Dong, 1990 ThyreophoraLate Jurassic–Early CretaceousChina
  • Monolophosaurus Zhao & Currie, 1993 TheropodaMiddle JurassicChina
  • Morinosaurus Sauvage, 1874 SauropodomorphaLate JurassicFrance
  • Mussaurus Bonaparte & Vince, 1979 SauropodomorphaEarly JurassicArgentina
  • Mymoorapelta Kirkland & Carpenter, 1994 ThyreophoraLate JurassicUnited States

N

  • Nanosaurus Disputed Marsh, 1877 NeornithischiaLate JurassicUnited States
  • Narindasaurus Royo-Torres et al., 2020 SauropodomorphaMiddle JurassicMadagascar
  • Nebulasaurus Xing, 2013 SauropodomorphaMiddle JurassicChina
  • Neosodon de la Moussaye, 1884 SauropodomorphaLate JurassicFrance
  • Ngwevu Chapelle et al., 2019 SauropodomorphaEarly JurassicSouth Africa

O

  • Oblitosaurus Sánchez-Fenollosa et al., 2023 OrnithopodaLate JurassicSpain
  • Oceanotitan Mocho et al., 2019 SauropodomorphaLate JurassicPortugal
  • Ohmdenosaurus Wild, 1978 SauropodomorphaEarly JurassicGermany
  • Omeisaurus Young, 1939 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Ornitholestes Osborn, 1903 TheropodaLate JurassicUnited States
  • Ostafrikasaurus Nomen dubium Buffetaut, 2012 TheropodaLate JurassicTanzania
  • Ostromia Nomen dubium Foth & Rauhut, 2017 TheropodaLate JurassicGermany
  • Ozraptor Nomen dubium Long & Molnar, 1998 TheropodaMiddle JurassicAustralia

P

  • Pachysuchus Nomen dubium Young, 1951 SauropodomorphaEarly JurassicChina
  • Palaeopteryx Nomen dubium Jensen, 1981 TheropodaLate JurassicUnited States
  • Pandoravenator Rauhut & Pol, 2017 TheropodaLate JurassicArgentina
  • Panguraptor You et al., 2014 TheropodaEarly JurassicChina
  • Pantydraco Galton et al., 2007 SauropodomorphaLate Triassic–Early JurassicUnited Kingdom
  • Patagosaurus Bonaparte, 1979 SauropodomorphaEarly JurassicArgentina
  • Pedopenna Xu & Zhang, 2005 TheropodaMiddle JurassicChina
  • Pegomastax Sereno, 2012 HeterodontosaurinaeEarly JurassicSouth Africa
  • Perijasaurus Rincón et al., 2022 SauropodomorphaEarly Jurassic–Middle JurassicColombia
  • Phyllodon Nomen dubium Thulborn, 1973 NeornithischiaLate JurassicPortugal
  • Piatnitzkysaurus Bonaparte, 1979 TheropodaMiddle JurassicArgentina
  • Piveteausaurus Taquet & Welles, 1977 TheropodaMiddle JurassicFrance
  • Podokesaurus Talbot, 1911 TheropodaEarly JurassicUnited States
  • Poekilopleuron Eudes-Deslongchamps, 1837 TheropodaMiddle JurassicFrance
  • Pradhania Kutty et al., 2007 SauropodomorphaEarly JurassicIndia
  • Priodontognathus Disputed Seeley, 1875 ThyreophoraLate JurassicUnited Kingdom
  • Proceratosaurus Huene, 1926 TheropodaMiddle JurassicUnited Kingdom
  • Protognathosaurus Olshevsky, 1991 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Pulanesaura McPhee et al., 2015 SauropodomorphaEarly JurassicSouth Africa
  • Pulaosaurus Yang et al., 2025 NeornithischiaMiddle Jurassic–Late JurassicChina

Q

  • Qianlong Han et al., 2024 SauropodomorphaEarly JurassicChina
  • Qijianglong Xing et al., 2015 SauropodomorphaLate JurassicChina

R

  • Rhoetosaurus Longman, 1926 SauropodomorphaMiddle Jurassic–Late JurassicAustralia
  • Rhomaleopakhus Upchurch et al., 2021 SauropodomorphaLate JurassicChina

S

  • Saltriovenator Dal Sasso et al., 2018 TheropodaEarly JurassicItaly
  • Sanpasaurus Young, 1944 SauropodomorphaEarly JurassicChina
  • Sanxiasaurus Li et al., 2021 NeornithischiaEarly Jurassic–Middle JurassicChina
  • Sarahsaurus Rowe et al., 2011 SauropodomorphaEarly JurassicUnited States
  • Sarcolestes Lydekker, 1893 ThyreophoraMiddle JurassicUnited Kingdom
  • Sarcosaurus Andrews, 1921 TheropodaEarly JurassicUnited Kingdom
  • Saurophaganax Disputed Chure, 1995 TheropodaLate JurassicUnited States
  • Scelidosaurus Owen, 1859 ThyreophoraEarly JurassicUnited Kingdom
  • Sciurumimus Rauhut et al., 2012 TheropodaLate JurassicGermany
  • Scutellosaurus Colbert, 1981 ThyreophoraEarly JurassicUnited States
  • Sefapanosaurus Otero et al., 2015 SauropodomorphaLate Triassic–Early JurassicSouth Africa
  • Segisaurus Camp, 1936 TheropodaEarly JurassicUnited States
  • Seitaad Sertich & Loewen, 2010 SauropodomorphaEarly JurassicUnited States
  • Serikornis Lefèvre et al., 2017 TheropodaLate JurassicChina
  • Shidaisaurus Wu et al., 2009 TheropodaMiddle JurassicChina
  • Shishugounykus Qin et al., 2019 TheropodaMiddle Jurassic–Late JurassicChina
  • Shuangbaisaurus Disputed Wang et al., 2017 TheropodaEarly JurassicChina
  • Shunosaurus Dong et al., 1983 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Sinopeltosaurus Nomen dubium Ulansky, 2014 OrnithischiaEarly JurassicChina
  • Sinosaurus Young, 1940 TheropodaEarly JurassicChina
  • Sinraptor Currie & Zhao, 1993 TheropodaMiddle Jurassic–Late JurassicChina
  • Smitanosaurus Whitlock & Wilson Mantilla, 2020 SauropodomorphaLate JurassicUnited States
  • Spicomellus Maidment et al., 2021 ThyreophoraMiddle JurassicMorocco
  • Spinophorosaurus Remes et al., 2009 SauropodomorphaMiddle JurassicNiger
  • Spinostropheus Sereno et al., 2004 TheropodaMiddle Jurassic–Late JurassicNiger
  • Stegosaurus Marsh, 1877 ThyreophoraLate JurassicUnited States
  • Stokesosaurus Madsen, 1974 TheropodaLate JurassicUnited States
  • Streptospondylus Meyer, 1832 TheropodaMiddle Jurassic–Late JurassicFrance
  • Supersaurus Jensen, 1985 SauropodomorphaLate JurassicUnited States
  • Suuwassea Harris & Dodson, 2004 SauropodomorphaLate JurassicUnited States
  • Szechuanosaurus Nomen dubium Young, 1942 TheropodaLate JurassicChina

T

  • Tachiraptor Langer et al., 2014 TheropodaEarly JurassicVenezuela
  • Tanycolagreus Carpenter et al., 2005 TheropodaLate JurassicUnited States
  • Tatisaurus Nomen dubium Simmons & Nash, 1965 ThyreophoraEarly JurassicChina
  • Tazoudasaurus Allain et al., 2004 SauropodomorphaEarly JurassicMorocco
  • Tehuelchesaurus Rich et al., 1999 SauropodomorphaLate JurassicArgentina
  • Teinurosaurus Nomen dubium Nopcsa, 1928 TheropodaLate JurassicFrance
  • Tendaguria Bonaparte et al., 2000 SauropodomorphaLate JurassicTanzania
  • Tharosaurus Disputed Bajpai et al., 2023 SauropodomorphaMiddle JurassicIndia
  • Thyreosaurus Zafaty et al., 2024 ThyreophoraMiddle JurassicMorocco
  • Tianchisaurus Nomen dubium Dong, 1993 ThyreophoraMiddle JurassicChina
  • Tianyulong Zheng et al., 2009 HeterodontosauridaeMiddle Jurassic–Late JurassicChina
  • Tichosteus Nomen dubium Cope, 1877 OrnithopodaLate JurassicUnited States
  • Tienshanosaurus Disputed Young, 1937 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Tonganosaurus Li et al., 2010 SauropodomorphaEarly JurassicChina
  • Tongnanlong Wei et al., 2025 SauropodomorphaLate JurassicChina
  • Tornieria Sternfeld, 1911 SauropodomorphaLate JurassicTanzania
  • Torvosaurus Galton & Jensen, 1979 TheropodaLate JurassicUnited States
  • Trimucrodon Nomen dubium Thulborn, 1973 OrnithischiaLate JurassicPortugal
  • Tuojiangosaurus Dong et al., 1977 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Turiasaurus Royo-Torres et al., 2006 SauropodomorphaLate JurassicSpain

U

  • Uragasaurus Nilpanapan et al., 2026 SauropodomorphaLate Jurassic–Early CretaceousThailand
  • Uteodon McDonald, 2011 OrnithopodaLate JurassicUnited States

V

  • Veterupristisaurus Rauhut, 2011 TheropodaLate JurassicTanzania
  • Volkheimeria Bonaparte, 1979 SauropodomorphaEarly JurassicArgentina
  • Vouivria Mannion et al., 2017 SauropodomorphaLate JurassicFrance
  • Vulcanodon Raath, 1972 SauropodomorphaEarly JurassicZimbabwe

W

  • Wamweracaudia Mannion et al., 2019 SauropodomorphaLate JurassicTanzania
  • Wiehenvenator Rauhut et al., 2016 TheropodaMiddle JurassicGermany
  • Wudingloong Wang et al., 2025 SauropodomorphaEarly JurassicChina

X

  • Xiangyunloong Hu et al., 2026 SauropodomorphaEarly JurassicChina
  • Xiaosaurus Dong & Tang, 1983 OrnithischiaMiddle Jurassic–Late JurassicChina
  • Xiaotingia Xu et al., 2011 TheropodaMiddle Jurassic–Late JurassicChina
  • Xingxiulong Wang et al., 2017 SauropodomorphaEarly JurassicChina
  • Xinjiangtitan Wu et al., 2013 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Xixiposaurus Sekiya, 2010 SauropodomorphaEarly JurassicChina
  • Xuanhanosaurus Dong, 1984 TheropodaMiddle Jurassic–Late JurassicChina
  • Xuanhuaceratops Zhao et al., 2006 CeratopsiaLate JurassicChina

Y

  • Yandusaurus He, 1979 NeornithischiaMiddle Jurassic–Late JurassicChina
  • Yangchuanosaurus Dong et al., 1978 TheropodaMiddle Jurassic–Late JurassicChina
  • Yantaloong Zhang et al., 2026 SauropodomorphaMiddle JurassicChina
  • Yimenosaurus Bai et al., 1990 SauropodomorphaEarly JurassicChina
  • Yingshanosaurus Zhu, 1994 ThyreophoraMiddle Jurassic–Late JurassicChina
  • Yinlong Xu et al., 2006 CeratopsiaMiddle Jurassic–Late JurassicChina
  • Yizhousaurus Zhang et al., 2018 SauropodomorphaEarly JurassicChina
  • Yuanmouraptor Zou et al., 2025 TheropodaMiddle JurassicChina
  • Yuanmousaurus Lü et al., 2006 SauropodomorphaMiddle JurassicChina
  • Yuezhuornis Xu et al., 2026 TheropodaLate JurassicChina
  • Yunnanosaurus Young, 1940 SauropodomorphaEarly JurassicChina
  • Yunyangosaurus Dai et al., 2020 TheropodaEarly Jurassic–Middle JurassicChina
  • Yuxisaurus Yao et al., 2022 ThyreophoraEarly JurassicChina
  • Yuzhoulong Dai et al., 2022 SauropodomorphaMiddle Jurassic–Late JurassicChina

Z

  • Zby Mateus et al., 2014 SauropodomorphaLate JurassicPortugal
  • Zhengheornis Wang et al., 2026 TheropodaLate JurassicChina
  • Zigongosaurus Disputed Hou et al., 1976 SauropodomorphaMiddle Jurassic–Late JurassicChina
  • Zizhongosaurus Dong et al., 1983 SauropodomorphaEarly Jurassic–Middle JurassicChina
  • Zuolong Choiniere et al., 2010 TheropodaLate JurassicChina