International Chronostratigraphic Timescale
The interval definitions in this timescale are derived from the following sources:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
- W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view
- B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 view
- Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 view
There are 59 timescales which overlap this one. show
Interval boundaries marked with * have been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 127243 collections
International Chronostratigraphic Timescale | Ordovician of Britain | Neogene Mammal Ages of China | ||||||
---|---|---|---|---|---|---|---|---|
Quaternary | Holocene | Meghalayan | 0 | |||||
Northgrippian | 0.0042 | |||||||
Greenlandian | 0.0082 | |||||||
Pleistocene | Late Pleistocene | Nihewanian | 0.0117 | |||||
Chibanian | 0.129 | |||||||
Calabrian | 0.774 | |||||||
Gelasian | 1.8 | |||||||
Neogene | Pliocene | Piacenzian | Yushean | 2.58 | ||||
Zanclean | 3.6 | |||||||
Baodean | 4.9 | |||||||
Miocene | Messinian | 5.333 | ||||||
Tortonian | 7.246 | |||||||
Tunggurian | 11.1 | |||||||
Serravallian | 11.63 | |||||||
Langhian | Shanwangian | 13.82 | ||||||
Burdigalian | 15.98 | |||||||
Xiejiaan | 16.9 | |||||||
Aquitanian | 20.44 | |||||||
Paleogene | Oligocene | Chattian | 23.03 | |||||
Rupelian | 27.82 | |||||||
Eocene | Priabonian | 33.9 | ||||||
Bartonian | 37.71 | |||||||
Lutetian | 41.2 | |||||||
Ypresian | 47.8 | |||||||
Paleocene | Thanetian | 56 | ||||||
Selandian | 59.2 | |||||||
Danian | 61.6 | |||||||
Cretaceous | Late Cretaceous | Maastrichtian | 66 | |||||
Campanian | 72.1 | |||||||
Santonian | 83.6 | |||||||
Coniacian | 86.3 | |||||||
Turonian | 89.8 | |||||||
Cenomanian | 93.9 | |||||||
Early Cretaceous | Albian | 100.5 | ||||||
Aptian | 113 | |||||||
Barremian | 121.4 | |||||||
Hauterivian | 125.77 | |||||||
Valanginian | 132.6 | |||||||
Berriasian | 139.8 | |||||||
Jurassic | Late Jurassic | Tithonian | 145 | |||||
Kimmeridgian | 149.2 | |||||||
Oxfordian | 154.8 | |||||||
Middle Jurassic | Callovian | 161.5 | ||||||
Bathonian | 165.3 | |||||||
Bajocian | 168.2 | |||||||
Aalenian | 170.9 | |||||||
Early Jurassic | Toarcian | 174.7 | ||||||
Pliensbachian | 184.2 | |||||||
Sinemurian | 192.9 | |||||||
Hettangian | 199.5 | |||||||
Triassic | Late Triassic | Rhaetian | 201.4 | |||||
Norian | 208.5 | |||||||
Carnian | 227 | |||||||
Middle Triassic | Ladinian | 237 | ||||||
Anisian | 242 | |||||||
Early Triassic | Olenekian | 247.2 | ||||||
Induan | 251.2 | |||||||
Permian | Lopingian | Changhsingian | 251.902 | |||||
Wuchiapingian | 254.14 | |||||||
Guadalupian | Capitanian | 259.51 | ||||||
Wordian | 264.28 | |||||||
Roadian | 266.9 | |||||||
Cisuralian | Kungurian | 273.01 | ||||||
Artinskian | 283.5 | |||||||
Sakmarian | 290.1 | |||||||
Asselian | 293.52 | |||||||
Carboniferous | Pennsylvanian | Gzhelian | 298.9 | |||||
Kasimovian | 303.7 | |||||||
Moscovian | 307 | |||||||
Bashkirian | 315.2 | |||||||
Mississippian | Serpukhovian | 323.2 | ||||||
Visean | 330.9 | |||||||
Tournaisian | 346.7 | |||||||
Devonian | Late Devonian | Famennian | 358.9 | |||||
Frasnian | 372.2 | |||||||
Middle Devonian | Givetian | 382.7 | ||||||
Eifelian | 387.7 | |||||||
Early Devonian | Emsian | 393.3 | ||||||
Pragian | 407.6 | |||||||
Lochkovian | 410.8 | |||||||
Silurian | Pridoli | 419.2 | ||||||
Ludlow | Ludfordian | 423 | ||||||
Gorstian | 425.6 | |||||||
Wenlock | Homerian | 427.4 | ||||||
Sheinwoodian | 430.5 | |||||||
Llandovery | Telychian | 433.4 | ||||||
Aeronian | 438.5 | |||||||
Rhuddanian | 440.8 | |||||||
Ordovician | Late Ordovician | Hirnantian | Ashgill | Hirnantian | 443.8 | |||
Katian | Rawtheyan | 445.2 | ||||||
Cautleyan | 448.9 * | |||||||
Pusgillian | 449.3 * | |||||||
Caradoc | Streffordian | Onnian † | 449.6 * | |||||
Cheneyan | 451.5 * | |||||||
Burrellian | 452.7 * | |||||||
Sandbian | 453 | |||||||
Actonian † | 453.2 * | |||||||
Marshbrookian † | Woolstonian † | 454.2 * | ||||||
Longvillian † | 455.2 * | |||||||
Aurelucian | 456.8 * | |||||||
Soudleyan †/Harnagian/Costonian | 457.4 * | |||||||
Middle Ordovician | Darriwilian | Llanvirn | Llandeilian/Llandeilo/Late Llandeilo/Middle Llandeilo/Early Llandeilo/Late Llanvirn | 458.4 | ||||
Abereiddian/Early Llanvirn | 461.3 * | |||||||
Dapingian | 467.3 | |||||||
Arenig | Fennian | 468.4 * | ||||||
Early Ordovician | Floian | 470 | ||||||
Whitlandian | 471.1 * | |||||||
Moridunian | 474.3 * | |||||||
Tremadocian | Tremadoc | Migneintian | 477.7 | |||||
Cressagian | 480.8 * | |||||||
485 * | ||||||||
Cambrian | Furongian | Stage 10 | 485.4 | |||||
Jiangshanian | 489.5 | |||||||
Paibian | 494 | |||||||
Miaolingian | Guzhangian | 497 | ||||||
Drumian | 500.5 | |||||||
Wuliuan | 504.5 | |||||||
Series 2 | Stage 4 | 509 | ||||||
Stage 3 | 514 | |||||||
Terreneuvian | Stage 2 | 521 | ||||||
Fortunian | 529 | |||||||
538.8 |