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
- 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 127017 collections
International Chronostratigraphic Timescale | Silurian of the Baltic | Permian of North America | Permian of Western Europe | Obsolete Names for ICS Units | Neogene Mammal Ages of China | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Quaternary | Pleistocene | Late Pleistocene | Nihewanian | 0.0117 | |||||||
Chibanian | 0.129 | ||||||||||
Calabrian | 0.774 | ||||||||||
Gelasian | 1.8 | ||||||||||
Neogene | Pliocene | Piacenzian | Tertiary † | 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 | Zechstein | Longtanian † | 254.14 | ||||||||
Guadalupian | Capitanian | Capitanian | Rotliegendes | 259.51 | |||||||
Wordian | Wordian | 264.28 | |||||||||
Roadian | Roadian | 266.9 | |||||||||
Cisuralian | Kungurian | Leonardian | Cathedralian | 273.01 | |||||||
Hessian | 281.9 * | ||||||||||
Artinskian | Autunian | 283.5 | |||||||||
Wolfcampian | Lenoxian | 286.1 * | |||||||||
Sakmarian | 290.1 | ||||||||||
Asselian | Nealian | 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 | Ohesaare | 419.2 | ||||||||
Kaugetuma | 421.7 * | ||||||||||
Ludlow | Ludfordian | Kuressaare | 423 | ||||||||
Paadla | 423.4 * | ||||||||||
Gorstian | 425.6 | ||||||||||
Wenlock | Homerian | Rootsikula | 427.4 | ||||||||
Jaagarahu | 429.2 * | ||||||||||
Sheinwoodian | 430.5 | ||||||||||
Jaani | 431.8 * | ||||||||||
Llandovery | Telychian | 433.4 | |||||||||
Adavere | 434 * | ||||||||||
Aeronian | 438.5 | ||||||||||
Raikkula | 439.4 * | ||||||||||
Rhuddanian | 440.8 | ||||||||||
Juuru | 441.4 * | ||||||||||
Ordovician | Late Ordovician | Hirnantian | 443.8 | ||||||||
Katian | 445.2 | ||||||||||
Sandbian | 453 | ||||||||||
Middle Ordovician | Darriwilian | 458.4 | |||||||||
Dapingian | 467.3 | ||||||||||
Early Ordovician | Floian | 470 | |||||||||
Tremadocian | 477.7 | ||||||||||
Cambrian | Furongian | Stage 10 | 485.4 | ||||||||
Jiangshanian | 489.5 | ||||||||||
Paibian | 494 | ||||||||||
Miaolingian | Guzhangian | Series 3 † | 497 | ||||||||
Drumian | 500.5 | ||||||||||
Wuliuan | Stage 5 † | 504.5 | |||||||||
509 |