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
- 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
- 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
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 126762 collections
International Chronostratigraphic Timescale | Ammonite Chrons of Northwest Europe | European Faunal Units | ||||
---|---|---|---|---|---|---|
Neogene | Pliocene | Piacenzian | Villanyian | 2.58 | ||
Ruscinian | 3.1 * | |||||
Zanclean | 3.6 | |||||
Miocene | Messinian | Turolian | 5.333 | |||
Tortonian | 7.246 | |||||
Vallesian | 8.7 | |||||
Serravallian | Astaracian | 11.63 | ||||
Langhian | 13.82 | |||||
Burdigalian | Orleanian | 15.98 | ||||
Agenian | 20 | |||||
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 | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | ||||
Humphresianum | 168.4 | |||||
Aalenian | Concavum/Murchisonae/Opalinum | 170.9 | ||||
Early Jurassic | Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | ||
180.1 | ||||||
Serpentinum/Falciferum/Tenuicostatum | 182 | |||||
Pliensbachian | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | ||||
Sinemurian | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | ||||
Hettangian | Angulata/Liasicus/Planorbis | 199.5 | ||||
201.4 |