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
- M. Harzhauser and W. E. Piller. 2004. Integrated stratigraphy of the Sarmatian (Upper Middle Miocene) in the western Central Paratethys. Stratigraphy 1(1):65-86 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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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 127969 collections
| International Chronostratigraphic Timescale | Ammonite Chrons of Northwest Europe | Central Paratethys Stages | Cenozoic Subepochs | ||||
|---|---|---|---|---|---|---|---|
| Quaternary | Pleistocene | Late Pleistocene | Late Pleistocene | 0.0117 | |||
| Chibanian | Middle Pleistocene | 0.129 | |||||
| Calabrian | Early Pleistocene | 0.774 | |||||
| Gelasian | 1.8 | ||||||
| Neogene | Pliocene | Piacenzian | Late Pliocene | 2.58 | |||
| Zanclean | Early Pliocene | 3.6 | |||||
| Miocene | Messinian | Late Miocene | 5.333 | ||||
| Tortonian | Pannonian | 7.246 | |||||
| Serravallian | Sarmatian | Middle Miocene | 11.63 | ||||
| Badenian | 12.8 * | ||||||
| Langhian | 13.82 | ||||||
| Burdigalian | Early Miocene | 15.98 | |||||
| Aquitanian | 20.44 | ||||||
| Paleogene | Oligocene | Chattian | Late Oligocene | 23.03 | |||
| Rupelian | Early Oligocene | 27.82 | |||||
| Eocene | Priabonian | Late Eocene | 33.9 | ||||
| Bartonian | Middle Eocene | 37.71 | |||||
| Lutetian | 41.2 | ||||||
| Ypresian | Early Eocene | 47.8 | |||||
| Paleocene | Thanetian | Late Paleocene | 56 | ||||
| Selandian | Middle Paleocene | 59.2 | |||||
| Danian | Early Paleocene | 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 | |||||||