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. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 5 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Pliensbachian age, Hettangian age, Toarcian age, Sinemurian age
- Mesozoic Subages: Early Toarcian subage, Late Hettangian subage, Early Hettangian subage, Late Sinemurian subage, Late Pliensbachian subage, Late Toarcian subage, Middle Toarcian subage, Middle Hettangian subage, Early Pliensbachian subage, Early Sinemurian subage
- Ammonite Chrons of Northwest Europe: Variabilis chron, Serpentinum chron, Raricostatum chron, Turneri chron, Angulata chron, Margaritatus chron, Semicostatum chron, Liasicus chron, Davoei chron, Bifrons chron, Jamesoni chron, Levesquei chron, Bucklandi chron, Spinatum chron, Obtusum chron, Oxynotum chron, Ibex chron, Planorbis chron, Tenuicostatum chron, Thouarsense chron, Falciferum chron
- Ammonite Chrons of North America: Whiteavesi chron, Planulata chron, Psiloceras chron, Tetraspidoceras chron, Canadensis chron, Crassicosta chron, Freboldi chron, Coroniceras chron, Plesechioceras harbledownense chron, Pseudaetomoceras chron, Hillebrandti chron, Euphyllites chron, Kanense chron, Asteroceras varians chron, Carlottense chron, Imlayi chron, Yakounensis chron, Arnioceras arnouldi chron, Kunae chron, Franziceras chron
- Permian-Jurassic of New Zealand: Kawhia epoch, Ururoan age, Herangi epoch, Temaikan age, Aratauran age
This interval is used in the definition of 523 collections
A total of 14188 collections with 69970 occurrences lie within this time span