26.8 - 23.2 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 11 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Chattian age, Oligocene epoch
• Cenozoic Subepochs: Late Oligocene subepoch
• Mammal Paleogene Zones: MP 29 zone, MP 28 zone, MP 26 zone, MP 27 zone, MP 30 zone, MP 25 zone
• Paleogene Mammal Ages of Asia: Hsandagolian age, Tabenbulakian age
• North American Land Mammal Ages: Arikareean age
• North American Mammal Subages/Zones: late Early Arikareean subage, Geringian subage, early Early Arikareean subage, Monroecreekian subage, early Late Arikareean subage, late Late Arikareean subage
• South American Land Mammal Ages: Deseadan age
• Planktic Foraminiferal Zones: P. pseudokugleri LOZ zone, G. ciperoensis PRZ zone
• Neogene North Pacific Diatom Biochronology: Thalassiosira praefraga zone
• Geomagnetic Polarity Chrons: C8 chron, C7 chron, C6C chron, C7A chron, C9 chron
• Cretaceous-Cenozoic of New Zealand: Waitakian age, Duntroonian age, Landon epoch

This interval is used in the definition of 34 collections

A total of 2616 collections with 23571 occurrences lie within this time span