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: Hettangian age, Pliensbachian age, Sinemurian age, Toarcian age
- Mesozoic Subages: Late Sinemurian subage, Early Hettangian subage, Early Sinemurian subage, Late Hettangian subage, Early Pliensbachian subage, Early Toarcian subage, Middle Toarcian subage, Late Pliensbachian subage, Middle Hettangian subage, Late Toarcian subage
- Ammonite Chrons of Northwest Europe: Serpentinum chron, Raricostatum chron, Semicostatum chron, Falciferum chron, Ibex chron, Levesquei chron, Spinatum chron, Angulata chron, Thouarsense chron, Davoei chron, Tenuicostatum chron, Turneri chron, Jamesoni chron, Liasicus chron, Margaritatus chron, Variabilis chron, Bucklandi chron, Bifrons chron, Oxynotum chron, Planorbis chron, Obtusum chron
- Ammonite Chrons of North America: Coroniceras chron, Carlottense chron, Tetraspidoceras chron, Hillebrandti chron, Kunae chron, Whiteavesi chron, Yakounensis chron, Canadensis chron, Imlayi chron, Kanense chron, Franziceras chron, Plesechioceras harbledownense chron, Pseudaetomoceras chron, Arnioceras arnouldi chron, Euphyllites chron, Asteroceras varians chron, Planulata chron, Crassicosta chron, Psiloceras chron, Freboldi chron
- Calcareous Nannoplankton Zones: NJ2b zone, NJ7 zone, NJ3 zone, NJ6 zone, NJ5b zone, NJ2a zone, NJ5a zone, NJ8 zone, NJ5 zone, NJ1 zone, NJ4a zone, NJ8a zone, NJ2 zone, NJ4b zone, NJ4 zone
- Permian-Jurassic of New Zealand: Temaikan age, Herangi epoch, Aratauran age, Ururoan age, Kawhia epoch
This interval is used in the definition of 532 collections
A total of 14312 collections with 70425 occurrences lie within this time span