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
- M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 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
- F. M. Gradstein, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 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
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 126161 collections
International Chronostratigraphic Timescale | Mesozoic Subages | Central Paratethys Stages | Ammonite Chrons of Northwest Europe | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Quaternary | Holocene | Meghalayan | 0 | ||||||||||
Northgrippian | 0.0042 | ||||||||||||
Greenlandian | 0.0082 | ||||||||||||
Pleistocene | Late Pleistocene | 0.0117 | |||||||||||
Chibanian | 0.129 | ||||||||||||
Calabrian | 0.774 | ||||||||||||
Gelasian | 1.8 | ||||||||||||
Neogene | Pliocene | Piacenzian | 2.58 | ||||||||||
Zanclean | 3.6 | ||||||||||||
Miocene | Messinian | 5.333 | |||||||||||
Tortonian | Pannonian | 7.246 | |||||||||||
Serravallian | Sarmatian | 11.63 | |||||||||||
Badenian | 12.8 * | ||||||||||||
Langhian | 13.82 | ||||||||||||
Burdigalian | 15.98 | ||||||||||||
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 | Late Maastrichtian/Early Maastrichtian | 66 | |||||||||
Campanian | Late Campanian/Middle Campanian/Early Campanian | 72.1 | |||||||||||
Santonian | Late Santonian/Middle Santonian/Early Santonian | 83.6 | |||||||||||
Coniacian | Late Coniacian/Middle Coniacian/Early Coniacian | 86.3 | |||||||||||
Turonian | Late Turonian/Middle Turonian/Early Turonian | 89.8 | |||||||||||
Cenomanian | Late Cenomanian/Middle Cenomanian/Early Cenomanian | 93.9 | |||||||||||
Early Cretaceous | Albian | Late Albian | 100.5 | ||||||||||
Middle Albian | 106.2 * | ||||||||||||
Early Albian | 109.9 * | ||||||||||||
Aptian | Late Aptian | 113 | |||||||||||
Early Aptian | 119.5 * | ||||||||||||
Barremian | Late Barremian/Early Barremian | 121.4 | |||||||||||
Hauterivian | Late Hauterivian/Early Hauterivian | 125.77 | |||||||||||
Valanginian | Late Valanginian/Early Valanginian | 132.6 | |||||||||||
Berriasian | Late Berriasian | 139.8 | |||||||||||
Middle Berriasian | 140.6 * | ||||||||||||
Early Berriasian | 142.7 * | ||||||||||||
Jurassic | Late Jurassic | Tithonian | Late Tithonian | Middle Tithonian | 145 | ||||||||
Early Tithonian | 146.3 * | ||||||||||||
Kimmeridgian | Late Kimmeridgian | 149.2 | |||||||||||
Early Kimmeridgian | 152.2 * | ||||||||||||
Oxfordian | Late Oxfordian | Middle Oxfordian/Early Oxfordian | 154.8 | ||||||||||
157.9 * | |||||||||||||
Middle Jurassic | Callovian | Late Callovian/Middle Callovian/Early Callovian | 161.5 | ||||||||||
Bathonian | Late Bathonian/Middle Bathonian/Early Bathonian | 165.3 | |||||||||||
Bajocian | Late Bajocian | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | ||||||||||
Humphresianum | 168.4 | ||||||||||||
Early Bajocian | 168.6 * | ||||||||||||
Aalenian | Late Aalenian/Middle Aalenian/Early Aalenian | Concavum/Murchisonae/Opalinum | 170.9 | ||||||||||
Early Jurassic | Toarcian | Late Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | ||||||||
180.1 | |||||||||||||
Middle Toarcian | 180.4 * | ||||||||||||
Serpentinum/Falciferum/Tenuicostatum | 182 | ||||||||||||
Early Toarcian | 182.9 * | ||||||||||||
Pliensbachian | Late Pliensbachian/Early Pliensbachian | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | ||||||||||
Sinemurian | Late Sinemurian/Early Sinemurian | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | ||||||||||
Hettangian | Late Hettangian/Middle Hettangian/Early Hettangian | Angulata/Liasicus/Planorbis | 199.5 | ||||||||||
Triassic | Late Triassic | Rhaetian | 201.4 | ||||||||||
Norian | Sevatian | 208.5 | |||||||||||
Alaunian | 213.2 * | ||||||||||||
Lacian | 216.7 * | ||||||||||||
Carnian | Tuvalian | 227 | |||||||||||
Julian | 233.4 * | ||||||||||||
Middle Triassic | Ladinian | Longobardian | 237 | ||||||||||
Fassanian | 239.7 * | ||||||||||||
Anisian | Illyrian | 242 | |||||||||||
Pelsonian | 243.8 * | ||||||||||||
Bithynian | 244.7 * | ||||||||||||
Aegean | 245.5 * | ||||||||||||
Early Triassic | Olenekian | Spathian | 247.2 | ||||||||||
Smithian | 248.9 * | ||||||||||||
Induan | Dienerian | 251.2 | |||||||||||
Griesbachian | 251.4 * | ||||||||||||
251.902 |