Planorbis chron
201.4 - 199.5 Ma
The definition of this interval in the timescale Ammonite Chrons of Northwest Europe 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 116 collections
A total of 1294 collections with 5841 occurrences lie within this time span
| International Chronostratigraphic Timescale | Ammonite Chrons of Northwest Europe | 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 | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | |||||
| Humphresianum | 168.4 | ||||||
| Aalenian | Concavum/Murchisonae/Opalinum | 170.9 | |||||
| Early Jurassic | Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | |||
| Herangi | Ururoan | 176 | |||||
| 180.1 | |||||||
| Serpentinum/Falciferum/Tenuicostatum | 182 | ||||||
| Pliensbachian | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | |||||
| Aratauran | 188.9 | ||||||
| Sinemurian | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | |||||
| Hettangian | Angulata/Liasicus/Planorbis | 199.5 | |||||
| 201.4 | |||||||