Dinosaur Facts

    Dinosaurs / Timeline

    Dinosaur timeline

    Each bar runs from a genus’s earliest to its latest known age. Pick two bars to see how far apart they lived.

    Period
    Diet
     

    452 genera

    1. Bagualosaurus
    2. Buriolestes
    3. Gnathovorax
    4. Pampadromaeus
    5. Staurikosaurus
    6. Saturnalia
    7. Mbiresaurus
    8. Eodromaeus
    9. Eoraptor
    10. Herrerasaurus
    11. Panphagia
    12. Sanjuansaurus
    13. Eucnemesaurus
    14. Guaibasaurus
    15. Unaysaurus
    16. Camposaurus
    17. Riojasaurus
    18. Coelophysis
    19. Blikanasaurus
    20. Chindesaurus
    21. Efraasia
    22. Lessemsaurus
    23. Melanorosaurus
    24. Ruehleia
    25. Tawa
    26. Plateosaurus
    27. Liliensternus
    28. Zupaysaurus
    29. Thecodontosaurus
    30. Daemonosaurus
    31. Camelotia
    32. Abrictosaurus
    33. Eocursor
    34. Pegomastax
    35. Sinosaurus
    36. Antetonitrus
    37. Lufengosaurus
    38. Yunnanosaurus
    39. Anchisaurus
    40. Heterodontosaurus
    41. Ledumahadi
    42. Lesothosaurus
    43. Lycorhinus
    44. Massospondylus
    45. Sarcosaurus
    46. Scelidosaurus
    47. Lamplughsaura
    48. Mussaurus
    49. Scutellosaurus
    50. Ammosaurus
    51. Cryolophosaurus
    52. Dilophosaurus
    53. Barapasaurus
    54. Vulcanodon
    55. Emausaurus
    56. Tazoudasaurus
    57. Gongxianosaurus
    58. Amygdalodon
    59. Spinophorosaurus
    60. Abrosaurus
    61. Atlasaurus
    62. Cetiosaurus
    63. Datousaurus
    64. Gasosaurus
    65. Huayangosaurus
    66. Kulindadromeus
    67. Megalosaurus
    68. Patagosaurus
    69. Proceratosaurus
    70. Shunosaurus
    71. Afrovenator
    72. Spinostropheus
    73. Lexovisaurus
    74. Callovosaurus
    75. Jobaria
    76. Monolophosaurus
    77. Omeisaurus
    78. Xinjiangtitan
    79. Epidexipteryx
    80. Piveteausaurus
    81. Bellusaurus
    82. Chungkingosaurus
    83. Gigantspinosaurus
    84. Klamelisaurus
    85. Sinraptor
    86. Yangchuanosaurus
    87. Limusaurus
    88. Yinlong
    89. Tienshanosaurus
    90. Anchiornis
    91. Guanlong
    92. Mamenchisaurus
    93. Qijianglong
    94. Tianyulong
    95. Tuojiangosaurus
    96. Hesperosaurus
    97. Cumnoria
    98. Dicraeosaurus
    99. Allosaurus
    100. Amphicoelias
    101. Apatosaurus
    102. Barosaurus
    103. Brontosaurus
    104. Camarasaurus
    105. Camptosaurus
    106. Ceratosaurus
    107. Coelurus
    108. Dryosaurus
    109. Galeamopus
    110. Gargoyleosaurus
    111. Haplocanthosaurus
    112. Mymoorapelta
    113. Nanosaurus
    114. Stegosaurus
    115. Stokesosaurus
    116. Dacentrurus
    117. Duriatitan
    118. Elaphrosaurus
    119. Europasaurus
    120. Kaatedocus
    121. Kentrosaurus
    122. Miragaia
    123. Brachiosaurus
    124. Diplodocus
    125. Marshosaurus
    126. Ornitholestes
    127. Supersaurus
    128. Tanycolagreus
    129. Torvosaurus
    130. Australodocus
    131. Giraffatitan
    132. Janenschia
    133. Lourinhasaurus
    134. Tendaguria
    135. Chaoyangsaurus
    136. Compsognathus
    137. Dinheirosaurus
    138. Hudiesaurus
    139. Lusotitan
    140. Tornieria
    141. Turiasaurus
    142. Zby
    143. Archaeopteryx
    144. Fruitadens
    145. Losillasaurus
    146. Echinodon
    147. Owenodon
    148. Barilium
    149. Hypselospinus
    150. Pelorosaurus
    151. Valdosaurus
    152. Cedarosaurus
    153. Hylaeosaurus
    154. Osmakasaurus
    155. Mierasaurus
    156. Utahraptor
    157. Wuerhosaurus
    158. Baryonyx
    159. Eotyrannus
    160. Falcarius
    161. Gideonmantellia
    162. Hypsilophodon
    163. Ornithopsis
    164. Phuwiangosaurus
    165. Polacanthus
    166. Euhelopus
    167. Neovenator
    168. Concavenator
    169. Dilong
    170. Gastonia
    171. Iguanodon
    172. Incisivosaurus
    173. Liaoceratops
    174. Mantellisaurus
    175. Pelecanimimus
    176. Psittacosaurus
    177. Sinovenator
    178. Beipiaosaurus
    179. Caudipteryx
    180. Mei
    181. Amargasaurus
    182. Archaeoceratops
    183. Daxiatitan
    184. Galleonosaurus
    185. Ichthyovenator
    186. Jinzhousaurus
    187. Karongasaurus
    188. Liaoningosaurus
    189. Malawisaurus
    190. Microraptor
    191. Ouranosaurus
    192. Ruyangosaurus
    193. Sibirotitan
    194. Sinornithosaurus
    195. Tangvayosaurus
    196. Tapuiasaurus
    197. Venenosaurus
    198. Yongjinglong
    199. Yutyrannus
    200. Sinosauropteryx
    201. Fukuiraptor
    202. Fukuisaurus
    203. Suchomimus
    204. Atlascopcosaurus
    205. Minmi
    206. Nigersaurus
    207. Leaellynasaura
    208. Tyrannotitan
    209. Acrocanthosaurus
    210. Cedarpelta
    211. Deinonychus
    212. Eocarcharia
    213. Lurdusaurus
    214. Microvenator
    215. Sauropelta
    216. Tenontosaurus
    217. Zephyrosaurus
    218. Altirhinus
    219. Alxasaurus
    220. Borealopelta
    221. Chubutisaurus
    222. Equijubus
    223. Erectopus
    224. Gobititan
    225. Irritator
    226. Sauroposeidon
    227. Sonorasaurus
    228. Aquilops
    229. Abydosaurus
    230. Kunbarrasaurus
    231. Muttaburrasaurus
    232. Pawpawsaurus
    233. Probactrosaurus
    234. Animantarx
    235. Patagotitan
    236. Epachthosaurus
    237. Rebbachisaurus
    238. Erketu
    239. Fona
    240. Aegyptosaurus
    241. Carcharodontosaurus
    242. Deltadromeus
    243. Dongyangosaurus
    244. Giganotosaurus
    245. Limaysaurus
    246. Nodosaurus
    247. Buitreraptor
    248. Eolambia
    249. Huabeisaurus
    250. Spinosaurus
    251. Paralititan
    252. Mapusaurus
    253. Alectrosaurus
    254. Archaeornithomimus
    255. Argentinosaurus
    256. Bactrosaurus
    257. Diamantinasaurus
    258. Garudimimus
    259. Gigantoraptor
    260. Gilmoreosaurus
    261. Gobihadros
    262. Protohadros
    263. Rugops
    264. Savannasaurus
    265. Segnosaurus
    266. Skorpiovenator
    267. Talarurus
    268. Wintonotitan
    269. Australovenator
    270. Borealosaurus
    271. Meraxes
    272. Oryctodromeus
    273. Urbacodon
    274. Nothronychus
    275. Zuniceratops
    276. Caenagnathasia
    277. Itemirus
    278. Levnesovia
    279. Turanoceratops
    280. Ulughbegsaurus
    281. Megaraptor
    282. Unenlagia
    283. Futalognkosaurus
    284. Macrogryphosaurus
    285. Claosaurus
    286. Antarctosaurus
    287. Bonitasaura
    288. Hungarosaurus
    289. Notocolossus
    290. Mochlodon
    291. Gasparinisaura
    292. Koreanosaurus
    293. Sonidosaurus
    294. Rhabdodon
    295. Abelisaurus
    296. Goyocephale
    297. Ibirania
    298. Maxakalisaurus
    299. Neuquensaurus
    300. Struthiosaurus
    301. Lythronax
    302. Colepiocephale
    303. Diabloceratops
    304. Gryposaurus
    305. Hadrosaurus
    306. Leptorhynchos
    307. Cerasinops
    308. Pinacosaurus
    309. Appalachiosaurus
    310. Wendiceratops
    311. Albertaceratops
    312. Brachylophosaurus
    313. Medusaceratops
    314. Platypelta
    315. Agujaceratops
    316. Avaceratops
    317. Corythosaurus
    318. Daspletosaurus
    319. Dreadnoughtus
    320. Maiasaura
    321. Saurornitholestes
    322. Teratophoneus
    323. Citipes
    324. Ahshislepelta
    325. Caenagnathus
    326. Centrosaurus
    327. Chasmosaurus
    328. Chirostenotes
    329. Dromaeosaurus
    330. Edmontonia
    331. Foraminacephale
    332. Gorgosaurus
    333. Hesperonychus
    334. Lambeosaurus
    335. Latenivenatrix
    336. Ornithomimus
    337. Orodromeus
    338. Panoplosaurus
    339. Parasaurolophus
    340. Prosaurolophus
    341. Scolosaurus
    342. Stegoceras
    343. Stenonychosaurus
    344. Struthiomimus
    345. Euoplocephalus
    346. Kosmoceratops
    347. Utahceratops
    348. Spiclypeus
    349. Zuul
    350. Brontotholus
    351. Nasutoceratops
    352. Puertasaurus
    353. Magnapaulia
    354. Oohkotokia
    355. Styracosaurus
    356. Vagaceratops
    357. Bagaceratops
    358. Byronosaurus
    359. Citipati
    360. Einiosaurus
    361. Hypacrosaurus
    362. Khaan
    363. Mahakala
    364. Nodocephalosaurus
    365. Oviraptor
    366. Pentaceratops
    367. Protoceratops
    368. Saichania
    369. Saurornithoides
    370. Shuvuuia
    371. Tarchia
    372. Velociraptor
    373. Stegouros
    374. Bistahieversor
    375. Kritosaurus
    376. Arcovenator
    377. Dromiceiomimus
    378. Pachyrhinosaurus
    379. Sinoceratops
    380. Zhuchengtyrannus
    381. Edmontosaurus
    382. Lirainosaurus
    383. Shantungosaurus
    384. Sphaerotholus
    385. Tanius
    386. Tsintaosaurus
    387. Anodontosaurus
    388. Anchiceratops
    389. Coahuilaceratops
    390. Aeolosaurus
    391. Ampelosaurus
    392. Argyrosaurus
    393. Baurutitan
    394. Isisaurus
    395. Magyarosaurus
    396. Nemegtosaurus
    397. Noasaurus
    398. Nullotitan
    399. Petrustitan
    400. Rocasaurus
    401. Saltasaurus
    402. Talenkauen
    403. Wannanosaurus
    404. Arrhinoceratops
    405. Atrociraptor
    406. Austroraptor
    407. Avimimus
    408. Bonapartenykus
    409. Carnotaurus
    410. Mononykus
    411. Montanoceratops
    412. Prenocephale
    413. Pyroraptor
    414. Quaesitosaurus
    415. Zalmoxes
    416. Albertavenator
    417. Albertonykus
    418. Albertosaurus
    419. Alioramus
    420. Deinocheirus
    421. Gallimimus
    422. Homalocephale
    423. Nemegtomaia
    424. Parksosaurus
    425. Saurolophus
    426. Tarbosaurus
    427. Elmisaurus
    428. Masiakasaurus
    429. Telmatosaurus
    430. Alamosaurus
    431. Charonosaurus
    432. Majungasaurus
    433. Oksoko
    434. Olorotitan
    435. Opisthocoelicaudia
    436. Rapetosaurus
    437. Therizinosaurus
    438. Glyptodontopelta
    439. Regaliceratops
    440. Ankylosaurus
    441. Anzu
    442. Dryptosaurus
    443. Leptoceratops
    444. Pachycephalosaurus
    445. Pararhabdodon
    446. Pectinodon
    447. Thescelosaurus
    448. Torosaurus
    449. Triceratops
    450. Tyrannosaurus
    451. Acheroraptor
    452. Trierarchuncus

    Select a bar to read its dates. Select a second to measure the gap.

    Show as a table
    Dinosaur genera with earliest and latest ages
    GenusPeriodFrom (Ma)To (Ma)
    BagualosaurusTriassic233.2228
    BuriolestesTriassic233.2230
    GnathovoraxTriassic233.2230
    PampadromaeusTriassic233.2228
    StaurikosaurusTriassic233.2225
    SaturnaliaTriassic233228
    MbiresaurusTriassic232228
    EodromaeusTriassic231.4228
    EoraptorTriassic231.4228
    HerrerasaurusTriassic231.4225
    PanphagiaTriassic231.4228
    SanjuansaurusTriassic231.4228
    EucnemesaurusTriassic228210
    GuaibasaurusTriassic228225
    UnaysaurusTriassic225.4221
    CamposaurusTriassic220210
    RiojasaurusTriassic220210
    CoelophysisTriassic216201
    BlikanasaurusTriassic215204
    ChindesaurusTriassic215210
    EfraasiaTriassic215212
    LessemsaurusTriassic215208
    MelanorosaurusTriassic215200
    RuehleiaTriassic215208
    TawaTriassic215212
    PlateosaurusTriassic214204
    LiliensternusTriassic210205
    ZupaysaurusTriassic208.5201.3
    ThecodontosaurusTriassic208201.3
    DaemonosaurusTriassic205.7201.4
    CamelotiaTriassic205.6201.4
    AbrictosaurusJurassic201.3190.8
    EocursorJurassic201.3190.8
    PegomastaxJurassic201.3190.8
    SinosaurusJurassic201.3190
    AntetonitrusJurassic201195
    LufengosaurusJurassic201185
    YunnanosaurusJurassic201168
    AnchisaurusJurassic200190
    HeterodontosaurusJurassic200190
    LedumahadiJurassic200195
    LesothosaurusJurassic200190
    LycorhinusJurassic200195
    MassospondylusJurassic200183
    SarcosaurusJurassic199.3194
    ScelidosaurusJurassic199.3190.8
    LamplughsauraJurassic199190
    MussaurusJurassic199193
    ScutellosaurusJurassic196183
    AmmosaurusJurassic195185
    CryolophosaurusJurassic194188
    DilophosaurusJurassic193183
    BarapasaurusJurassic190175
    VulcanodonJurassic190182
    EmausaurusJurassic184.2182.9
    TazoudasaurusJurassic184.2178
    GongxianosaurusJurassic183174
    AmygdalodonJurassic179170
    SpinophorosaurusJurassic170.3163.5
    AbrosaurusJurassic168.3163.5
    AtlasaurusJurassic168.3163.5
    CetiosaurusJurassic168.3166.1
    DatousaurusJurassic168.3163.5
    GasosaurusJurassic168163
    HuayangosaurusJurassic168161
    KulindadromeusJurassic168165
    MegalosaurusJurassic168166
    PatagosaurusJurassic168163
    ProceratosaurusJurassic168166
    ShunosaurusJurassic168161
    AfrovenatorJurassic167161
    SpinostropheusJurassic167161
    LexovisaurusJurassic166.1163.5
    CallovosaurusJurassic166163.5
    JobariaJurassic165160
    MonolophosaurusJurassic165161
    OmeisaurusJurassic165159
    XinjiangtitanJurassic165157
    EpidexipteryxJurassic164160
    PiveteausaurusJurassic164161
    BellusaurusJurassic163.5157.3
    ChungkingosaurusJurassic163.5157.3
    GigantspinosaurusJurassic163.5157.3
    KlamelisaurusJurassic163.5157.3
    SinraptorJurassic163.5157.3
    YangchuanosaurusJurassic163.5157.3
    LimusaurusJurassic161.5158.7
    YinlongJurassic161.5157.3
    TienshanosaurusJurassic161.2157.3
    AnchiornisJurassic161158
    GuanlongJurassic161159
    MamenchisaurusJurassic161145
    QijianglongJurassic161152
    TianyulongJurassic161158
    TuojiangosaurusJurassic161155
    HesperosaurusJurassic156150
    CumnoriaJurassic155.7150.8
    DicraeosaurusJurassic155.7150.8
    AllosaurusJurassic155145
    AmphicoeliasJurassic155148
    ApatosaurusJurassic155148
    BarosaurusJurassic155148
    BrontosaurusJurassic155150
    CamarasaurusJurassic155145
    CamptosaurusJurassic155148
    CeratosaurusJurassic155145
    CoelurusJurassic155148
    DryosaurusJurassic155145
    GaleamopusJurassic155150
    GargoyleosaurusJurassic155149
    HaplocanthosaurusJurassic155148
    MymoorapeltaJurassic155148
    NanosaurusJurassic155148
    StegosaurusJurassic155149
    StokesosaurusJurassic155148
    DacentrurusJurassic154.8149.2
    DuriatitanJurassic154.8149.2
    ElaphrosaurusJurassic154.8150
    EuropasaurusJurassic154.8150.8
    KaatedocusJurassic154.8150
    KentrosaurusJurassic154.8149.2
    MiragaiaJurassic154.8149.2
    BrachiosaurusJurassic154145
    DiplodocusJurassic154150
    MarshosaurusJurassic154150
    OrnitholestesJurassic154150
    SupersaurusJurassic154149
    TanycolagreusJurassic154149
    TorvosaurusJurassic153148
    AustralodocusJurassic152.1145
    GiraffatitanJurassic152.1145
    JanenschiaJurassic152.1145
    LourinhasaurusJurassic152.1145
    TendaguriaJurassic152.1145
    ChaoyangsaurusJurassic152145
    CompsognathusJurassic152149
    DinheirosaurusJurassic152149
    HudiesaurusJurassic152145
    LusotitanJurassic152149
    TornieriaJurassic152145
    TuriasaurusJurassic152145
    ZbyJurassic152149
    ArchaeopteryxJurassic150.8148.5
    FruitadensJurassic150.8145.5
    LosillasaurusJurassic150145
    EchinodonJurassic145140.2
    OwenodonJurassic145140
    BariliumCretaceous140137
    HypselospinusCretaceous140137
    PelorosaurusCretaceous140133
    ValdosaurusCretaceous140125
    CedarosaurusCretaceous139.8125
    HylaeosaurusCretaceous139.8132.9
    OsmakasaurusCretaceous139.8132.9
    MierasaurusCretaceous139132
    UtahraptorCretaceous139134
    WuerhosaurusCretaceous137125
    BaryonyxCretaceous130125
    EotyrannusCretaceous130125
    FalcariusCretaceous130125
    GideonmantelliaCretaceous130125
    HypsilophodonCretaceous130125
    OrnithopsisCretaceous130125
    PhuwiangosaurusCretaceous130125
    PolacanthusCretaceous130125
    EuhelopusCretaceous129.4122.4
    NeovenatorCretaceous129.4125
    ConcavenatorCretaceous126122
    DilongCretaceous126124
    GastoniaCretaceous126121
    IguanodonCretaceous126121
    IncisivosaurusCretaceous126125
    LiaoceratopsCretaceous126122
    MantellisaurusCretaceous126121.4
    PelecanimimusCretaceous126122
    PsittacosaurusCretaceous126101
    SinovenatorCretaceous126122
    BeipiaosaurusCretaceous125.8122.5
    CaudipteryxCretaceous125.8122.5
    MeiCretaceous125.8122.5
    AmargasaurusCretaceous125122
    ArchaeoceratopsCretaceous125113
    DaxiatitanCretaceous125113
    GalleonosaurusCretaceous125120
    IchthyovenatorCretaceous125113
    JinzhousaurusCretaceous125122
    KarongasaurusCretaceous125113
    LiaoningosaurusCretaceous125122
    MalawisaurusCretaceous125113
    MicroraptorCretaceous125120
    OuranosaurusCretaceous125112
    RuyangosaurusCretaceous125100.5
    SibirotitanCretaceous125120
    SinornithosaurusCretaceous125122
    TangvayosaurusCretaceous125113
    TapuiasaurusCretaceous125113
    VenenosaurusCretaceous125113
    YongjinglongCretaceous125113
    YutyrannusCretaceous125124
    SinosauropteryxCretaceous124122
    FukuiraptorCretaceous121.4113
    FukuisaurusCretaceous121.4113
    SuchomimusCretaceous121113
    AtlascopcosaurusCretaceous120110
    MinmiCretaceous120112
    NigersaurusCretaceous119113
    LeaellynasauraCretaceous118110
    TyrannotitanCretaceous118113
    AcrocanthosaurusCretaceous115110
    CedarpeltaCretaceous115105
    DeinonychusCretaceous115108
    EocarchariaCretaceous115110
    LurdusaurusCretaceous115112
    MicrovenatorCretaceous115108
    SauropeltaCretaceous115105
    TenontosaurusCretaceous115100
    ZephyrosaurusCretaceous115108
    AltirhinusCretaceous113100.5
    AlxasaurusCretaceous113100.5
    BorealopeltaCretaceous113110
    ChubutisaurusCretaceous113100.5
    EquijubusCretaceous113105
    ErectopusCretaceous113100.5
    GobititanCretaceous113100.5
    IrritatorCretaceous113108
    SauroposeidonCretaceous113100.5
    SonorasaurusCretaceous11299.6
    AquilopsCretaceous109104
    AbydosaurusCretaceous105100.5
    KunbarrasaurusCretaceous105100
    MuttaburrasaurusCretaceous105100
    PawpawsaurusCretaceous105100.5
    ProbactrosaurusCretaceous10596
    AnimantarxCretaceous10498
    PatagotitanCretaceous102100
    EpachthosaurusCretaceous100.589.8
    RebbachisaurusCretaceous100.593.9
    ErketuCretaceous10089
    FonaCretaceous10097
    AegyptosaurusCretaceous99.693.5
    CarcharodontosaurusCretaceous99.693.5
    DeltadromeusCretaceous99.693.5
    DongyangosaurusCretaceous99.689.8
    GiganotosaurusCretaceous99.697
    LimaysaurusCretaceous99.695
    NodosaurusCretaceous99.693.9
    BuitreraptorCretaceous9993
    EolambiaCretaceous9995
    HuabeisaurusCretaceous9983.6
    SpinosaurusCretaceous9993.5
    ParalititanCretaceous9894
    MapusaurusCretaceous9793.5
    AlectrosaurusCretaceous9690
    ArchaeornithomimusCretaceous9689
    ArgentinosaurusCretaceous9692
    BactrosaurusCretaceous9685
    DiamantinasaurusCretaceous9693
    GarudimimusCretaceous9689
    GigantoraptorCretaceous9689
    GilmoreosaurusCretaceous9689
    GobihadrosCretaceous9689
    ProtohadrosCretaceous9695
    RugopsCretaceous9693
    SavannasaurusCretaceous9693
    SegnosaurusCretaceous9689
    SkorpiovenatorCretaceous9693
    TalarurusCretaceous9689
    WintonotitanCretaceous9693
    AustralovenatorCretaceous9592
    BorealosaurusCretaceous9589
    MeraxesCretaceous9593.9
    OryctodromeusCretaceous9593.5
    UrbacodonCretaceous9490
    NothronychusCretaceous93.991
    ZuniceratopsCretaceous9390
    CaenagnathasiaCretaceous9290
    ItemirusCretaceous9289.8
    LevnesoviaCretaceous9289
    TuranoceratopsCretaceous9289
    UlughbegsaurusCretaceous9290
    MegaraptorCretaceous9188
    UnenlagiaCretaceous9188
    FutalognkosaurusCretaceous89.886.3
    MacrogryphosaurusCretaceous89.886.3
    ClaosaurusCretaceous8782
    AntarctosaurusCretaceous86.383.6
    BonitasauraCretaceous86.383.6
    HungarosaurusCretaceous86.383.6
    NotocolossusCretaceous86.383.6
    MochlodonCretaceous8683
    GasparinisauraCretaceous8580
    KoreanosaurusCretaceous8580
    SonidosaurusCretaceous8572
    RhabdodonCretaceous8466
    AbelisaurusCretaceous83.670.6
    GoyocephaleCretaceous83.672.1
    IbiraniaCretaceous83.672.1
    MaxakalisaurusCretaceous83.670.6
    NeuquensaurusCretaceous83.672.1
    StruthiosaurusCretaceous83.666
    LythronaxCretaceous80.679.9
    ColepiocephaleCretaceous80.577.5
    DiabloceratopsCretaceous80.579.5
    GryposaurusCretaceous80.574.5
    HadrosaurusCretaceous80.578.5
    LeptorhynchosCretaceous80.575
    CerasinopsCretaceous8076
    PinacosaurusCretaceous8075
    AppalachiosaurusCretaceous7977
    WendiceratopsCretaceous7978
    AlbertaceratopsCretaceous7877
    BrachylophosaurusCretaceous7875
    MedusaceratopsCretaceous7876.5
    PlatypeltaCretaceous77.575
    AgujaceratopsCretaceous7773
    AvaceratopsCretaceous7774
    CorythosaurusCretaceous7775
    DaspletosaurusCretaceous7774
    DreadnoughtusCretaceous7770
    MaiasauraCretaceous7775.5
    SaurornitholestesCretaceous7774
    TeratophoneusCretaceous7775
    CitipesCretaceous76.974
    AhshislepeltaCretaceous76.574.5
    CaenagnathusCretaceous76.574.8
    CentrosaurusCretaceous76.575.5
    ChasmosaurusCretaceous76.575
    ChirostenotesCretaceous76.574.5
    DromaeosaurusCretaceous76.574.8
    EdmontoniaCretaceous76.569
    ForaminacephaleCretaceous76.575
    GorgosaurusCretaceous76.575
    HesperonychusCretaceous76.574.8
    LambeosaurusCretaceous76.575
    LatenivenatrixCretaceous76.574.5
    OrnithomimusCretaceous76.566
    OrodromeusCretaceous76.574.5
    PanoplosaurusCretaceous76.575
    ParasaurolophusCretaceous76.573
    ProsaurolophusCretaceous76.574.5
    ScolosaurusCretaceous76.574.8
    StegocerasCretaceous76.574.5
    StenonychosaurusCretaceous76.575
    StruthiomimusCretaceous76.574.8
    EuoplocephalusCretaceous76.475
    KosmoceratopsCretaceous76.475.5
    UtahceratopsCretaceous76.475.5
    SpiclypeusCretaceous76.275.2
    ZuulCretaceous76.275.2
    BrontotholusCretaceous7674
    NasutoceratopsCretaceous7675.5
    PuertasaurusCretaceous7670
    MagnapauliaCretaceous75.573
    OohkotokiaCretaceous75.574
    StyracosaurusCretaceous75.575
    VagaceratopsCretaceous75.574.5
    BagaceratopsCretaceous7571
    ByronosaurusCretaceous7571
    CitipatiCretaceous7571
    EiniosaurusCretaceous7574
    HypacrosaurusCretaceous7567
    KhaanCretaceous7571
    MahakalaCretaceous7571
    NodocephalosaurusCretaceous7573
    OviraptorCretaceous7571
    PentaceratopsCretaceous7573
    ProtoceratopsCretaceous7571
    SaichaniaCretaceous7570
    SaurornithoidesCretaceous7571
    ShuvuuiaCretaceous7571
    TarchiaCretaceous7570
    VelociraptorCretaceous7571
    StegourosCretaceous74.971.7
    BistahieversorCretaceous74.573
    KritosaurusCretaceous74.572
    ArcovenatorCretaceous7472
    DromiceiomimusCretaceous73.568.5
    PachyrhinosaurusCretaceous73.569
    SinoceratopsCretaceous73.572.5
    ZhuchengtyrannusCretaceous73.570.6
    EdmontosaurusCretaceous7366
    LirainosaurusCretaceous7370
    ShantungosaurusCretaceous7368
    SphaerotholusCretaceous7366
    TaniusCretaceous7370
    TsintaosaurusCretaceous7370
    AnodontosaurusCretaceous72.866.8
    AnchiceratopsCretaceous72.571
    CoahuilaceratopsCretaceous72.571.5
    AeolosaurusCretaceous72.166
    AmpelosaurusCretaceous72.166
    ArgyrosaurusCretaceous72.166
    BaurutitanCretaceous72.166
    IsisaurusCretaceous72.166
    MagyarosaurusCretaceous72.166
    NemegtosaurusCretaceous72.166
    NoasaurusCretaceous72.166
    NullotitanCretaceous72.166
    PetrustitanCretaceous72.166
    RocasaurusCretaceous72.166
    SaltasaurusCretaceous72.166
    TalenkauenCretaceous72.166
    WannanosaurusCretaceous72.166
    ArrhinoceratopsCretaceous7270
    AtrociraptorCretaceous7268
    AustroraptorCretaceous7269
    AvimimusCretaceous7268
    BonapartenykusCretaceous7266
    CarnotaurusCretaceous7269.9
    MononykusCretaceous7268
    MontanoceratopsCretaceous7269
    PrenocephaleCretaceous7269
    PyroraptorCretaceous7270.6
    QuaesitosaurusCretaceous7266
    ZalmoxesCretaceous7266
    AlbertavenatorCretaceous71.571
    AlbertonykusCretaceous7168
    AlbertosaurusCretaceous7168
    AlioramusCretaceous7168
    DeinocheirusCretaceous7168
    GallimimusCretaceous7168
    HomalocephaleCretaceous7169
    NemegtomaiaCretaceous7168
    ParksosaurusCretaceous7168
    SaurolophusCretaceous7168.5
    TarbosaurusCretaceous7168
    ElmisaurusCretaceous70.666
    MasiakasaurusCretaceous70.666
    TelmatosaurusCretaceous70.666
    AlamosaurusCretaceous7066
    CharonosaurusCretaceous7066
    MajungasaurusCretaceous7066
    OksokoCretaceous7066.8
    OlorotitanCretaceous7066
    OpisthocoelicaudiaCretaceous7066
    RapetosaurusCretaceous7066
    TherizinosaurusCretaceous7066
    GlyptodontopeltaCretaceous6966
    RegaliceratopsCretaceous68.567.5
    AnkylosaurusCretaceous6866
    AnzuCretaceous6866
    DryptosaurusCretaceous6866
    LeptoceratopsCretaceous6866
    PachycephalosaurusCretaceous6866
    PararhabdodonCretaceous6866
    PectinodonCretaceous6866
    ThescelosaurusCretaceous6866
    TorosaurusCretaceous6866
    TriceratopsCretaceous6866
    TyrannosaurusCretaceous6866
    AcheroraptorCretaceous67.266
    TrierarchuncusCretaceous6766

    Ages are in millions of years ago (Ma). Horizontal axis runs from 252 Ma on the left to 66 Ma on the right.

    Reading the timeline

    The ranges come from the fossil record, so a long bar means a genus is known from rocks across a long span, not necessarily that it was common. The three periods are shaded across the top. Open any genus for its full page, or compare sizes on the compare tool.