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. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) view
- J. Palfy, P. L. Smith, and J. K. Mortensen. 2000. A U-Pb and 40Ar/39Ar time scale for the Jurassic. Canadian Journal of Earth Sciences 37(6):923-944 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 126324 collections
International Chronostratigraphic Timescale | Ten Million Year Bins | European Faunal Zones | Ammonite Chrons of Northwest Europe | ||||
---|---|---|---|---|---|---|---|
Quaternary | Holocene | Meghalayan | Cenozoic 6 | 0 | |||
Northgrippian | 0.0042 | ||||||
Greenlandian | 0.0082 | ||||||
Pleistocene | Late Pleistocene | 0.0117 | |||||
Chibanian | 0.129 | ||||||
Calabrian | 0.774 | ||||||
Gelasian | MN 17 | 1.8 | |||||
Neogene | Pliocene | Piacenzian | MN 16 | 2.58 | |||
MN 15 | 3.2 | ||||||
Zanclean | 3.6 | ||||||
MN 14 | 4.2 | ||||||
MN 13 | 4.9 | ||||||
Miocene | Messinian | 5.333 | |||||
Tortonian | MN 12 | 7.246 | |||||
MN 11 | 7.75 | ||||||
MN 10 | 8.7 | ||||||
MN 9 | 9.7 | ||||||
MN 7 + 8 | 11.1 | ||||||
Serravallian | Cenozoic 5 | 11.63 | |||||
MN 6 | 12.8 * | ||||||
Langhian | MN 5 | 13.82 | |||||
Burdigalian | MN 4 | 15.98 | |||||
MN 3 | 16.9 | ||||||
MN 2 | 20 | ||||||
Aquitanian | 20.44 | ||||||
MN 1 | 22.4 | ||||||
Paleogene | Oligocene | Chattian | Cenozoic 4 | 23.03 | |||
Rupelian | 27.82 | ||||||
Eocene | Priabonian | Cenozoic 3 | 33.9 | ||||
Bartonian | 37.71 | ||||||
Lutetian | Cenozoic 2 | 41.2 | |||||
Ypresian | 47.8 | ||||||
Paleocene | Thanetian | Cenozoic 1 | 56 | ||||
Selandian | 59.2 | ||||||
Danian | 61.6 | ||||||
Cretaceous | Late Cretaceous | Maastrichtian | Cretaceous 8 | 66 | |||
Campanian | Cretaceous 7 | 72.1 | |||||
Santonian | Cretaceous 6 | 83.6 | |||||
Coniacian | 86.3 | ||||||
Turonian | 89.8 | ||||||
Cenomanian | Cretaceous 5 | 93.9 | |||||
Early Cretaceous | Albian | Cretaceous 4 | 100.5 | ||||
Aptian | Cretaceous 3 | 113 | |||||
Barremian | Cretaceous 2 | 121.4 | |||||
Hauterivian | 125.77 | ||||||
Valanginian | Cretaceous 1 | 132.6 | |||||
Berriasian | 139.8 | ||||||
Jurassic | Late Jurassic | Tithonian | Jurassic 6 | 145 | |||
Kimmeridgian | Jurassic 5 | 149.2 | |||||
Oxfordian | 154.8 | ||||||
Middle Jurassic | Callovian | 161.5 | |||||
Bathonian | Jurassic 4 | 165.3 | |||||
Bajocian | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | |||||
Humphresianum | 168.4 | ||||||
Aalenian | Jurassic 3 | Concavum/Murchisonae/Opalinum | 170.9 | ||||
Early Jurassic | Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | |||
180.1 | |||||||
Serpentinum/Falciferum/Tenuicostatum | 182 | ||||||
Pliensbachian | Jurassic 2 | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | ||||
Sinemurian | Jurassic 1 | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | ||||
Hettangian | Angulata/Liasicus/Planorbis | 199.5 | |||||
Triassic | Late Triassic | Rhaetian | Triassic 4 | 201.4 | |||
Norian | 208.5 | ||||||
Carnian | Triassic 3 | 227 | |||||
Middle Triassic | Ladinian | Triassic 2 | 237 | ||||
Anisian | 242 | ||||||
Early Triassic | Olenekian | Triassic 1 | 247.2 | ||||
Induan | 251.2 | ||||||
251.902 |