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