Early Hettangian subage
201.4 - 199.5 Ma
The definition of this interval in the timescale Mesozoic Subages is taken from the following source:
- 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 intervals in 5 timescales which overlap this one. show
This interval is used in the definition of 243 collections
A total of 1298 collections with 5856 occurrences lie within this time span
International Chronostratigraphic Timescale | Mesozoic Subages | ||||
---|---|---|---|---|---|
Jurassic | Late Jurassic | Tithonian | Late Tithonian | Middle Tithonian | 145 |
Early Tithonian | 146.3 * | ||||
Kimmeridgian | Late Kimmeridgian | 149.2 | |||
Early Kimmeridgian | 152.2 * | ||||
Oxfordian | Late Oxfordian | Middle Oxfordian/Early Oxfordian | 154.8 | ||
157.9 * | |||||
Middle Jurassic | Callovian | Late Callovian/Middle Callovian/Early Callovian | 161.5 | ||
Bathonian | Late Bathonian/Middle Bathonian/Early Bathonian | 165.3 | |||
Bajocian | Late Bajocian | 168.2 | |||
Early Bajocian | 168.6 * | ||||
Aalenian | Late Aalenian/Middle Aalenian/Early Aalenian | 170.9 | |||
Early Jurassic | Toarcian | Late Toarcian | 174.7 | ||
Middle Toarcian | 180.4 * | ||||
Early Toarcian | 182.9 * | ||||
Pliensbachian | Late Pliensbachian/Early Pliensbachian | 184.2 | |||
Sinemurian | Late Sinemurian/Early Sinemurian | 192.9 | |||
Hettangian | Late Hettangian/Middle Hettangian/Early Hettangian | 199.5 | |||
201.4 |