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
- 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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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 126844 collections
| International Chronostratigraphic Timescale | Neogene Mammal Ages of China | Obsolete Carboniferous Ages of China | Cretaceous-Cenozoic of New Zealand | Cambrian of West Avalonia | Permian of North America | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | Wanganui | Haweran | 0 | |||||
| Northgrippian | 0.0042 | |||||||||
| Greenlandian | 0.0082 | |||||||||
| Pleistocene | Late Pleistocene | Nihewanian | 0.0117 | |||||||
| Chibanian | 0.129 | |||||||||
| Castlecliffian | 0.34 | |||||||||
| Calabrian | 0.774 | |||||||||
| Nukumaruan | 1.63 | |||||||||
| Gelasian | 1.8 | |||||||||
| Mangapanian | 2.4 | |||||||||
| Neogene | Pliocene | Piacenzian | Yushean | 2.58 | ||||||
| Waipipian | 3 | |||||||||
| Zanclean | 3.6 | |||||||||
| Opoitian | 3.7 | |||||||||
| Baodean | 4.9 | |||||||||
| Miocene | Messinian | Taranaki | Kapitean | 5.333 | ||||||
| Tongaporutuan | 7.2 | |||||||||
| Tortonian | 7.246 | |||||||||
| Southland | Waiauan | 11.04 | ||||||||
| Tunggurian | 11.1 | |||||||||
| Serravallian | 11.63 | |||||||||
| Lillburnian | 13.05 | |||||||||
| Langhian | Shanwangian | 13.82 | ||||||||
| Clifdenian | 15.1 | |||||||||
| Pareora | Altonian | 15.9 | ||||||||
| Burdigalian | 15.98 | |||||||||
| Xiejiaan | 16.9 | |||||||||
| Otaian | 18.7 | |||||||||
| Aquitanian | 20.44 | |||||||||
| Landon | Waitakian | 21.7 | ||||||||
| Paleogene | Oligocene | Chattian | 23.03 | |||||||
| Duntroonian | 25.2 | |||||||||
| Whaingaroan | 27.3 | |||||||||
| Rupelian | 27.82 | |||||||||
| Eocene | Priabonian | 33.9 | ||||||||
| Arnold | Runangan | 34.6 | ||||||||
| Kaiatan | 36.7 | |||||||||
| Bartonian | 37.71 | |||||||||
| Bortonian | 39.1 | |||||||||
| Lutetian | 41.2 | |||||||||
| Dannevirke | Porangan | 42.6 | ||||||||
| Heretaungan | 45.7 | |||||||||
| Ypresian | 47.8 | |||||||||
| Mangaorapan | 48.9 | |||||||||
| Waipawan | 52 | |||||||||
| Paleocene | Thanetian | Teurian | 56 | |||||||
| Selandian | 59.2 | |||||||||
| Danian | 61.6 | |||||||||
| Cretaceous | Late Cretaceous | Maastrichtian | Mata | Haumurian | 66 | |||||
| Campanian | 72.1 | |||||||||
| Santonian | Piripauan | 83.6 | ||||||||
| Raukumara | Teratan | 86.1 | ||||||||
| Coniacian | 86.3 | |||||||||
| Turonian | 89.8 | |||||||||
| Mangaotanean | 90.5 | |||||||||
| Arowhanan | 93.7 | |||||||||
| Cenomanian | 93.9 | |||||||||
| Clarence | Ngaterian | 95.2 | ||||||||
| Motuan | 99.5 | |||||||||
| Early Cretaceous | Albian | 100.5 | ||||||||
| Urutawan | 103.3 | |||||||||
| Taitai | Korangan | 108.4 | ||||||||
| Aptian | 113 | |||||||||
| 117.5 | ||||||||||
| 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 | Capitanian | 259.51 | |||||||
| Wordian | Wordian | 264.28 | ||||||||
| Roadian | Roadian | 266.9 | ||||||||
| Cisuralian | Kungurian | Leonardian | Cathedralian | 273.01 | ||||||
| Hessian | 281.9 * | |||||||||
| Artinskian | 283.5 | |||||||||
| Wolfcampian | Lenoxian | 286.1 * | ||||||||
| Sakmarian | 290.1 | |||||||||
| Asselian | Nealian | 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 | 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 | 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 | 497 | ||||||||
| Arcadian | 498.4 | |||||||||
| Drumian | 500.5 | |||||||||
| Wuliuan | 504.5 | |||||||||
| Series 2 | Stage 4 | Branchian | 509 | |||||||
| Stage 3 | 514 | |||||||||
| Placentian | 517.1 | |||||||||
| Terreneuvian | Stage 2 | 521 | ||||||||
| Fortunian | 529 | |||||||||
| 538.8 | ||||||||||