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
- Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 view
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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
There are 59 timescales which overlap this one. show
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 126477 collections
| International Chronostratigraphic Timescale | Ten Million Year Bins | Ammonite Chrons of Northwest Europe | ||||||
|---|---|---|---|---|---|---|---|---|
| Jurassic | Late Jurassic | Tithonian | Jurassic 6 | 145 | ||||
| Kimmeridgian | Jurassic 5 | 149.2 | ||||||
| Oxfordian | 154.8 | |||||||
| Middle Jurassic | Callovian | 161.5 | ||||||
| Bathonian | Jurassic 4 | 165.3 | ||||||
| Bajocian | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | ||||||
| Humphresianum | 168.4 | |||||||
| Aalenian | Jurassic 3 | Concavum/Murchisonae/Opalinum | 170.9 | |||||
| Early Jurassic | Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | ||||
| 180.1 | ||||||||
| Serpentinum/Falciferum/Tenuicostatum | 182 | |||||||
| Pliensbachian | Jurassic 2 | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | |||||
| Sinemurian | Jurassic 1 | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | |||||
| Hettangian | Angulata/Liasicus/Planorbis | 199.5 | ||||||
| 201.4 | ||||||||