39.1 - 36.7 Ma

The definition of this interval in the timescale Cretaceous-Cenozoic 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 8 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Eocene epoch, Bartonian age, Priabonian age
• Cenozoic Subepochs: Middle Eocene subepoch, Late Eocene subepoch
• Mammal Paleogene Zones: MP 18 zone, MP 17A zone, MP 20 zone, MP 17B zone, MP 19 zone, MP 16 zone
• Paleogene Mammal Ages of Asia: Houldjinian age, Ulangochuian age, Irdinmanhan age, Sharamurunian age, Ergilian age, Arshantan age
• North American Land Mammal Ages: Chadronian age, Duchesnean age
• North American Mammal Subages/Zones: Late Chadronian subage, Early Chadronian subage, Middle Chadronian subage
• South American Land Mammal Ages: Divisaderan age
• Cretaceous-Cenozoic of New Zealand: Arnold epoch

This interval is used in the definition of 38 collections

A total of 110 collections with 745 occurrences lie within this time span