201.4 - 174.7 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. 2024. The ICS International Chronostratigraphic Chart v2024/12. International Commission on Stratigraphy view
There are intervals in 6 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Toarcian age, Sinemurian age, Pliensbachian age, Hettangian age
- Mesozoic Subages: Late Toarcian subage, Early Toarcian subage, Middle Hettangian subage, Early Sinemurian subage, Early Pliensbachian subage, Late Sinemurian subage, Early Hettangian subage, Late Pliensbachian subage, Middle Toarcian subage, Late Hettangian subage
- Ammonite Chrons of Northwest Europe: Davoei chron, Bifrons chron, Levesquei chron, Variabilis chron, Jamesoni chron, Oxynotum chron, Obtusum chron, Bucklandi chron, Liasicus chron, Turneri chron, Falciferum chron, Spinatum chron, Raricostatum chron, Margaritatus chron, Thouarsense chron, Tenuicostatum chron, Ibex chron, Semicostatum chron, Serpentinum chron, Angulata chron, Planorbis chron
- Ammonite Chrons of North America: Canadensis chron, Planulata chron, Crassicosta chron, Imlayi chron, Yakounensis chron, Freboldi chron, Plesechioceras harbledownense chron, Franziceras chron, Psiloceras chron, Kanense chron, Euphyllites chron, Arnioceras arnouldi chron, Carlottense chron, Tetraspidoceras chron, Asteroceras varians chron, Whiteavesi chron, Hillebrandti chron, Kunae chron, Coroniceras chron, Pseudaetomoceras chron
- Calcareous Nannoplankton Zones: NJ4b zone, NJ6 zone, NJ2a zone, NJ7 zone, NJ2 zone, NJ8 zone, NJ4a zone, NJ5b zone, NJ8a zone, NJ2b zone, NJ3 zone, NJ4 zone, NJ5a zone, NJ5 zone, NJ1 zone
- Permian-Jurassic of New Zealand: Aratauran age, Herangi epoch, Ururoan age, Kawhia epoch, Temaikan age
This interval is used in the definition of 531 collections
A total of 14282 collections with 70294 occurrences lie within this time span