201.4 - 188.9 Ma

The definition of this interval in the timescale Permian-Jurassic of New Zealand is taken from the following source:

• J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) view

There are intervals in 5 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Hettangian age, Sinemurian age, Early Jurassic epoch, Pliensbachian age
• Mesozoic Subages: Late Pliensbachian subage, Early Sinemurian subage, Late Hettangian subage, Middle Hettangian subage, Early Hettangian subage, Late Sinemurian subage, Early Pliensbachian subage
• Ammonite Chrons of Northwest Europe: Ibex chron, Obtusum chron, Davoei chron, Oxynotum chron, Bucklandi chron, Angulata chron, Semicostatum chron, Spinatum chron, Margaritatus chron, Raricostatum chron, Jamesoni chron, Planorbis chron, Turneri chron, Liasicus chron
• Ammonite Chrons of North America: Imlayi chron, Arnioceras arnouldi chron, Asteroceras varians chron, Whiteavesi chron, Franziceras chron, Pseudaetomoceras chron, Canadensis chron, Tetraspidoceras chron, Plesechioceras harbledownense chron, Euphyllites chron, Coroniceras chron, Psiloceras chron
• Permian-Jurassic of New Zealand: Herangi epoch

This interval is used in the definition of 23 collections

A total of 3767 collections with 19673 occurrences lie within this time span