Aalenian age
174.7 - 170.9 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 5 timescales which overlap this one. show
This interval is used in the definition of 942 collections
A total of 1612 collections with 7420 occurrences lie within this time span
| International Chronostratigraphic Timescale | Permian-Jurassic of New Zealand | ||||
|---|---|---|---|---|---|
| Jurassic | Late Jurassic | Tithonian | Oteke | Puaroan | 145 |
| Kimmeridgian | 149.2 | ||||
| Kawhia | Ohauan | 150 | |||
| Heterian | 154.5 | ||||
| Oxfordian | 154.8 | ||||
| Middle Jurassic | Callovian | 161.5 | |||
| Temaikan | 164.3 | ||||
| Bathonian | 165.3 | ||||
| Bajocian | 168.2 | ||||
| Aalenian | 170.9 | ||||
| Early Jurassic | Toarcian | 174.7 | |||
| Herangi | Ururoan | 176 | |||
| Pliensbachian | 184.2 | ||||
| Aratauran | 188.9 | ||||
| Sinemurian | 192.9 | ||||
| Hettangian | 199.5 | ||||
| 201.4 | |||||