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
- M. Freudenthal. 2006. Mammal Paleogene zones. personal communication view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
- D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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 126699 collections
| International Chronostratigraphic Timescale | Mammal Paleogene Zones | Paleogene Mammal Ages of Asia | Cenozoic Subepochs | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | 0 | ||||||||
| Northgrippian | 0.0042 | ||||||||||
| Greenlandian | 0.0082 | ||||||||||
| 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 | 7.246 | ||||||||||
| Serravallian | Middle Miocene | 11.63 | |||||||||
| Langhian | 13.82 | ||||||||||
| Burdigalian | Early Miocene | 15.98 | |||||||||
| Aquitanian | 20.44 | ||||||||||
| Paleogene | Oligocene | Chattian | MP 30/MP 29/MP 28/MP 27/MP 26 | MP 25 | Tabenbulakian | Hsandagolian | Late Oligocene | 23.03 | |||
| Rupelian | MP 24/MP 23/MP 22/MP 21 | Kekeamuan | Early Oligocene | 27.82 | |||||||
| Eocene | Priabonian | MP 20/MP 19/MP 18/MP 17B/MP 17A | Houldjinian/Ergilian/Ulangochuian | Late Eocene | 33.9 | ||||||
| Bartonian | MP 16 | Sharamurunian/Irdinmanhan/Arshantan | Middle Eocene | 37.71 | |||||||
| Lutetian | MP 15/MP 14/MP 13/MP 12/MP 11 | 41.2 | |||||||||
| Ypresian | MP 10/MP 8 + 9/MP 7 | Bumbanian | Early Eocene | 47.8 | |||||||
| Paleocene | Thanetian | MP 6 | MP 1 - 5 | Gashatan | Late Paleocene | 56 | |||||
| Selandian | Middle Paleocene | 59.2 | |||||||||
| Danian | Early Paleocene | 61.6 | |||||||||
| 66 | |||||||||||