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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
- 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
- A. D. Barnosky, M. Holmes, R. Kirchholtes, E. Lindsey, K.C. Maguire, A.W. Poust, M.A. Stegner, J. Sunseri, B. Swartz, J. Swift, N.A. Villavicencio and G. Wogan. 2014. Prelude to the Anthropocene: Two new North American Land Mammal Ages (NALMAs). The Anthropocene Review I(3):225-242 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 126130 collections
International Chronostratigraphic Timescale | Devonian Subages | Obsolete Carboniferous Ages of China | Neogene Mammal Ages of China | Permian Subages of Germany | Devonian of Czechoslovakia | Permian of Western Europe | North American Land Mammal Ages | |||
---|---|---|---|---|---|---|---|---|---|---|
Quaternary | Holocene | Meghalayan | Saintaugustinean | 0 | ||||||
Santarosean | 0.0004 | |||||||||
Northgrippian | 0.0042 | |||||||||
Greenlandian | 0.0082 | |||||||||
Pleistocene | Late Pleistocene | Nihewanian | 0.0117 | |||||||
Rancholabrean | 0.014 | |||||||||
Chibanian | 0.129 | |||||||||
Irvingtonian | 0.21 | |||||||||
Calabrian | 0.774 | |||||||||
Blancan | 1.4 | |||||||||
Gelasian | 1.8 | |||||||||
Neogene | Pliocene | Piacenzian | Yushean | 2.58 | ||||||
Zanclean | 3.6 | |||||||||
Hemphillian | 4.7 | |||||||||
Baodean | 4.9 | |||||||||
Miocene | Messinian | 5.333 | ||||||||
Tortonian | 7.246 | |||||||||
Clarendonian | 9.4 | |||||||||
Tunggurian | 11.1 | |||||||||
Serravallian | 11.63 | |||||||||
Barstovian | 12.5 | |||||||||
Langhian | Shanwangian | 13.82 | ||||||||
Burdigalian | 15.98 | |||||||||
Hemingfordian | 16.3 | |||||||||
Xiejiaan | 16.9 | |||||||||
Arikareean | 18.5 | |||||||||
Aquitanian | 20.44 | |||||||||
Paleogene | Oligocene | Chattian | 23.03 | |||||||
Rupelian | 27.82 | |||||||||
Whitneyan | 29.5 | |||||||||
Orellan | 31.8 | |||||||||
Eocene | Priabonian | Chadronian | 33.9 | |||||||
Duchesnean | 37 | |||||||||
Bartonian | 37.71 | |||||||||
Uintan | 39.7 | |||||||||
Lutetian | 41.2 | |||||||||
Bridgerian | 46.2 | |||||||||
Ypresian | 47.8 | |||||||||
Wasatchian | 50.5 | |||||||||
Clarkforkian | 54.9 | |||||||||
Paleocene | Thanetian | 56 | ||||||||
Tiffanian | 56.2 | |||||||||
Selandian | 59.2 | |||||||||
Torrejonian | 60.9 | |||||||||
Danian | 61.6 | |||||||||
Puercan | 63.8 | |||||||||
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 | Buntsandstein | 251.902 | ||||||
Wuchiapingian | Zechstein | 254.14 | ||||||||
Guadalupian | Capitanian | Ohre/Aller | Rotliegendes | 259.51 | ||||||
Wordian | Leine | 264.28 | ||||||||
Roadian | 266.9 | |||||||||
Cisuralian | Kungurian | 273.01 | ||||||||
Artinskian | Autunian | 283.5 | ||||||||
Sakmarian | 290.1 | |||||||||
Asselian | 293.52 | |||||||||
Carboniferous | Pennsylvanian | Gzhelian | Mapingian † | 298.9 | ||||||
Kasimovian | 303.7 | |||||||||
305.9 | ||||||||||
Moscovian | 307 | |||||||||
Bashkirian | 315.2 | |||||||||
Mississippian | Serpukhovian | 323.2 | ||||||||
Visean | 330.9 | |||||||||
Tournaisian | 346.7 | |||||||||
Devonian | Late Devonian | Famennian | Late Famennian | 358.9 | ||||||
Middle Famennian | 365.3 * | |||||||||
Early Famennian | 368.5 * | |||||||||
Frasnian | Late Frasnian | 372.2 | ||||||||
Middle Frasnian | 375.4 * | |||||||||
Early Frasnian | 379.3 * | |||||||||
Middle Devonian | Givetian | Late Givetian | Srbsko | 382.7 | ||||||
Middle Givetian | 383.7 * | |||||||||
Early Givetian | 385.9 * | |||||||||
Eifelian | Late Eifelian | Chotec | 387.7 | |||||||
Early Eifelian | 390.3 * | |||||||||
Early Devonian | Emsian | Late Emsian | Daleje/Zlichovian | 393.3 | ||||||
Early Emsian | 398.3 * | |||||||||
Pragian | Pragian | Pragian | 407.6 | |||||||
Lochkovian | Late Lochkovian | Lochkovian | 410.8 | |||||||
Middle Lochkovian | 412.8 * | |||||||||
Early Lochkovian | 415.6 * | |||||||||
419.2 |