27.82 - 23.03 Ma

The definition of this interval in the timescale Mammal Paleogene Zones is taken from the following source:

• M. Freudenthal. 2006. Mammal Paleogene zones. personal communication view

There are intervals in 8 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Oligocene epoch, Chattian age
• Cenozoic Subepochs: Late Oligocene subepoch
• Mammal Paleogene Zones: MP 28 zone, MP 29 zone, MP 27 zone, MP 25 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: Harrisonian subage, Geringian subage, early Early Arikareean subage, early Late Arikareean subage, late Early Arikareean subage, late Late Arikareean subage, Monroecreekian subage
• South American Land Mammal Ages: Deseadan age
• Cretaceous-Cenozoic of New Zealand: Waitakian age, Landon epoch, Duntroonian age, Whaingaroan age

This interval is used in the definition of 33 collections

A total of 1958 collections with 16864 occurrences lie within this time span