176 - 164.3 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: Early Jurassic epoch, Aalenian age, Bathonian age, Callovian age, Middle Jurassic epoch, Toarcian age, Bajocian age
• Mesozoic Subages: Early Callovian subage, Early Bajocian subage, Late Toarcian subage, Late Bajocian subage, Early Bathonian subage, Early Aalenian subage, Late Aalenian subage, Middle Aalenian subage, Middle Callovian subage, Late Bathonian subage, Middle Bathonian subage, Late Callovian subage
• Ammonite Chrons of Northwest Europe: Garantiana chron, Humphresianum chron, Sauzei chron, Discites chron, Subfurcatum chron, Opalinum chron, Murchisonae chron, Laeviuscula chron, Levesquei chron, Concavum chron, Parkinsoni chron, Bifrons chron, Variabilis chron, Thouarsense chron
• Ammonite Chrons of North America: Hillebrandti chron, Crassicosta chron, Howelli chron, Yakounensis chron, Scissum chron, Crassicostatus chron, Oblatum chron, Kirschneri chron, Rotundum chron, Westermanni chron, Widebayense chron, Epizigzagiceras chron
• Permian-Jurassic of New Zealand: Kawhia epoch

This interval is used in the definition of 39 collections

A total of 5992 collections with 33945 occurrences lie within this time span