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: Chattian age, Oligocene epoch
• Cenozoic Subepochs: Late Oligocene subepoch
• Mammal Paleogene Zones: MP 30 zone, MP 26 zone, MP 27 zone, MP 28 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: Monroecreekian subage, late Late Arikareean subage, late Early Arikareean subage, early Early Arikareean subage, Harrisonian subage, early Late Arikareean subage, Geringian subage
• South American Land Mammal Ages: Deseadan age
• Cretaceous-Cenozoic of New Zealand: Duntroonian age, Whaingaroan age, Landon epoch, Waitakian age

This interval is used in the definition of 12 collections

A total of 1951 collections with 16829 occurrences lie within this time span