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, Hettangian age, Sinemurian age, Pliensbachian age
- Mesozoic Subages: Middle Toarcian subage, Late Sinemurian subage, Early Pliensbachian subage, Late Hettangian subage, Late Pliensbachian subage, Late Toarcian subage, Early Toarcian subage, Early Hettangian subage, Middle Hettangian subage, Early Sinemurian subage
- Ammonite Chrons of Northwest Europe: Obtusum chron, Angulata chron, Ibex chron, Bucklandi chron, Davoei chron, Oxynotum chron, Tenuicostatum chron, Levesquei chron, Turneri chron, Raricostatum chron, Margaritatus chron, Liasicus chron, Spinatum chron, Planorbis chron, Bifrons chron, Serpentinum chron, Thouarsense chron, Falciferum chron, Semicostatum chron, Jamesoni chron, Variabilis chron
- Ammonite Chrons of North America: Asteroceras varians chron, Carlottense chron, Yakounensis chron, Coroniceras chron, Plesechioceras harbledownense chron, Euphyllites chron, Arnioceras arnouldi chron, Psiloceras chron, Imlayi chron, Whiteavesi chron, Crassicosta chron, Kanense chron, Hillebrandti chron, Tetraspidoceras chron, Canadensis chron, Freboldi chron, Planulata chron, Pseudaetomoceras chron, Kunae chron, Franziceras chron
- Calcareous Nannoplankton Zones: NJ8a zone, NJ7 zone, NJ6 zone, NJ8 zone, NJ5 zone, NJ3 zone, NJ5b zone, NJ4 zone, NJ5a zone, NJ4b zone, NJ2 zone, NJ2b zone, NJ2a zone, NJ1 zone, NJ4a zone
- Permian-Jurassic of New Zealand: Herangi epoch, Kawhia epoch, Temaikan age, Ururoan age, Aratauran age
This interval is used in the definition of 532 collections
A total of 14312 collections with 70427 occurrences lie within this time span