27.2 - 26.8 Ma

The definition of this interval in the timescale Calcareous Nannoplankton Zones is taken from the following source:

• F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

There are intervals in 10 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Oligocene epoch, Chattian age
• Cenozoic Subepochs: Late Oligocene subepoch
• Mammal Paleogene Zones: MP 25 zone, MP 29 zone, MP 28 zone, MP 27 zone, MP 30 zone, MP 26 zone
• Paleogene Mammal Ages of Asia: Hsandagolian age, Tabenbulakian age
• North American Land Mammal Ages: Arikareean age
• North American Mammal Subages/Zones: Geringian subage, late Early Arikareean subage, early Early Arikareean subage, early Late Arikareean subage, late Late Arikareean subage
• South American Land Mammal Ages: Deseadan age
• Planktic Foraminiferal Zones: G. ciperoensis PRZ zone, P. opima HOZ zone
• Geomagnetic Polarity Chrons: C9 chron
• Cretaceous-Cenozoic of New Zealand: Duntroonian age, Landon epoch

This interval is used in the definition of 41 collections

A total of 30 collections with 260 occurrences lie within this time span