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
- 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
There are 59 timescales which overlap this one. show
This timescale is used in the definition of 125733 collections
| International Chronostratigraphic Timescale | Cretaceous Subepochs | |||
|---|---|---|---|---|
| Cretaceous | Late Cretaceous | Maastrichtian | Senonian | 66 |
| Campanian | 72.1 | |||
| Santonian | 83.6 | |||
| Coniacian | 86.3 | |||
| Turonian | 89.8 | |||
| Cenomanian | 93.9 | |||
| Early Cretaceous | Albian | Gallic | 100.5 | |
| Aptian | 113 | |||
| Barremian | 121.4 | |||
| Hauterivian | Neocomian | 125.77 | ||
| Valanginian | 132.6 | |||
| Berriasian | 139.8 | |||
| 145 | ||||