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, Sinemurian age, Toarcian age, Hettangian age
- Mesozoic Subages: Early Sinemurian subage, Early Hettangian subage, Early Toarcian subage, Middle Toarcian subage, Late Toarcian subage, Late Pliensbachian subage, Middle Hettangian subage, Early Pliensbachian subage, Late Hettangian subage, Late Sinemurian subage
- Ammonite Chrons of Northwest Europe: Levesquei chron, Serpentinum chron, Semicostatum chron, Spinatum chron, Variabilis chron, Bucklandi chron, Tenuicostatum chron, Oxynotum chron, Jamesoni chron, Liasicus chron, Falciferum chron, Thouarsense chron, Planorbis chron, Ibex chron, Bifrons chron, Davoei chron, Raricostatum chron, Angulata chron, Turneri chron, Obtusum chron, Margaritatus chron
- Ammonite Chrons of North America: Tetraspidoceras chron, Pseudaetomoceras chron, Carlottense chron, Asteroceras varians chron, Yakounensis chron, Canadensis chron, Kunae chron, Crassicosta chron, Arnioceras arnouldi chron, Freboldi chron, Plesechioceras harbledownense chron, Coroniceras chron, Euphyllites chron, Psiloceras chron, Franziceras chron, Planulata chron, Kanense chron, Hillebrandti chron, Whiteavesi chron, Imlayi chron
- Permian-Jurassic of New Zealand: Ururoan age, Herangi epoch, Kawhia epoch, Temaikan age, Aratauran age
This interval is used in the definition of 524 collections
A total of 14086 collections with 69661 occurrences lie within this time span