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
- F. J. Prevosti, C. O. Romano, A. M. Forasiepi, S. Hemming, R. Bonini, A. M. Candela, E. Cerdeño, M. C. Madozzo Jaén, P. E. Ortiz, F. Pujos, L. Rasia, G. I. Schmidt, M. Taglioretti, R. D. E. MacPhee, and U. F. J. Pardiñas. 2021. New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America. Scientific Reports 2021(11):9830 view
- J. J. Flynn and C. C. Swisher, III. 1995. Cenozoic South American Land Mammal Ages: correlation to global geochronology. Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication 54:317-333 view
- M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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 | Permian of the Salt Range | Devonian Subages | South American Land Mammal Ages | Mammal Paleogene Zones | Silurian of the Baltic | |||||
---|---|---|---|---|---|---|---|---|---|---|
Quaternary | Pleistocene | Late Pleistocene | Lujanian | 0.0117 | ||||||
Chibanian | 0.129 | |||||||||
Ensenadan | 0.3 * | |||||||||
Calabrian | 0.774 | |||||||||
Sanandresian | Uquian † | 1.7 * | ||||||||
Gelasian | 1.8 | |||||||||
Neogene | Pliocene | Piacenzian | Vorohuean | 2.58 | ||||||
Chapadmalalan | 2.9 * | |||||||||
Zanclean | 3.6 | |||||||||
Montehermosan | 3.7 * | |||||||||
Huayquerian | 4.9 * | |||||||||
Miocene | Messinian | 5.333 | ||||||||
Tortonian | 7.246 | |||||||||
Chasicoan | 7.9 * | |||||||||
Mayoan | 9.9 * | |||||||||
Laventan | 10.9 * | |||||||||
Serravallian | 11.63 | |||||||||
Colloncuran | 13.7 * | |||||||||
Langhian | 13.82 | |||||||||
Friasian | 15.4 * | |||||||||
Burdigalian | 15.98 | |||||||||
Santacrucian | 16.2 * | |||||||||
Colhuehuapian | 17.4 * | |||||||||
Aquitanian | 20.44 | |||||||||
Deseadan | 20.9 * | |||||||||
Paleogene | Oligocene | Chattian | MP 30/MP 29/MP 28/MP 27/MP 26 | MP 25 | 23.03 | |||||
Rupelian | MP 24/MP 23/MP 22/MP 21 | 27.82 | ||||||||
Tinguirirican | 28.9 * | |||||||||
Eocene | Priabonian | MP 20/MP 19/MP 18/MP 17B/MP 17A | 33.9 | |||||||
Divisaderan | 35.9 * | |||||||||
Bartonian | MP 16 | 37.71 | ||||||||
Lutetian | MP 15/MP 14/MP 13/MP 12/MP 11 | 41.2 | ||||||||
Mustersan | 41.9 * | |||||||||
Ypresian | MP 10/MP 8 + 9/MP 7 | 47.8 | ||||||||
Casamayoran | 47.9 * | |||||||||
Paleocene | Thanetian | Riochican | MP 6 | MP 1 - 5 | 56 | |||||
Itaboraian | 56.9 * | |||||||||
Peligran | 58.9 * | |||||||||
Selandian | 59.2 | |||||||||
Danian | 61.6 | |||||||||
Tiupampan | 62.4 * | |||||||||
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 | 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 | |||||||||
Kathwai | 251.5 * | |||||||||
Permian | Lopingian | Changhsingian | 251.902 | |||||||
252.4 * | ||||||||||
Chhidru | 252.9 * | |||||||||
Wuchiapingian | 254.14 | |||||||||
Kalabagh | 255 * | |||||||||
Wargal | 256 * | |||||||||
Guadalupian | Capitanian | 259.51 | ||||||||
Wordian | 264.28 | |||||||||
265.3 * | ||||||||||
Amb | 266.1 * | |||||||||
Roadian | 266.9 | |||||||||
270.7 * | ||||||||||
Cisuralian | Kungurian | 273.01 | ||||||||
Artinskian | 283.5 | |||||||||
Sakmarian | 290.1 | |||||||||
Asselian | 293.52 | |||||||||
Carboniferous | Pennsylvanian | Gzhelian | 298.9 | |||||||
Kasimovian | 303.7 | |||||||||
Moscovian | 307 | |||||||||
Bashkirian | 315.2 | |||||||||
Mississippian | Serpukhovian | 323.2 | ||||||||
Visean | 330.9 | |||||||||
Tournaisian | 346.7 | |||||||||
Devonian | Late Devonian | Famennian | Late Famennian | 358.9 | ||||||
Middle Famennian | 365.3 * | |||||||||
Early Famennian | 368.5 * | |||||||||
Frasnian | Late Frasnian | 372.2 | ||||||||
Middle Frasnian | 375.4 * | |||||||||
Early Frasnian | 379.3 * | |||||||||
Middle Devonian | Givetian | Late Givetian | 382.7 | |||||||
Middle Givetian | 383.7 * | |||||||||
Early Givetian | 385.9 * | |||||||||
Eifelian | Late Eifelian | 387.7 | ||||||||
Early Eifelian | 390.3 * | |||||||||
Early Devonian | Emsian | Late Emsian | 393.3 | |||||||
Early Emsian | 398.3 * | |||||||||
Pragian | Pragian | 407.6 | ||||||||
Lochkovian | Late Lochkovian | 410.8 | ||||||||
Middle Lochkovian | 412.8 * | |||||||||
Early Lochkovian | 415.6 * | |||||||||
Silurian | Pridoli | Ohesaare | 419.2 | |||||||
Kaugetuma | 421.7 * | |||||||||
Ludlow | Ludfordian | Kuressaare | 423 | |||||||
Paadla | 423.4 * | |||||||||
Gorstian | 425.6 | |||||||||
Wenlock | Homerian | Rootsikula | 427.4 | |||||||
Jaagarahu | 429.2 * | |||||||||
Sheinwoodian | 430.5 | |||||||||
Jaani | 431.8 * | |||||||||
Llandovery | Telychian | 433.4 | ||||||||
Adavere | 434 * | |||||||||
Aeronian | 438.5 | |||||||||
Raikkula | 439.4 * | |||||||||
Rhuddanian | 440.8 | |||||||||
Juuru | 441.4 * | |||||||||
443.8 |