23.04 - 20 Ma

The definition of this interval in the timescale European Faunal Units is taken from the following source:

• F. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) view

There are intervals in 12 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Burdigalian age, Miocene epoch, Aquitanian age
• Cenozoic Subepochs: Early Miocene subepoch
• European Faunal Zones: MN 1 zone, MN 2 zone
• Neogene Mammal Ages of China: Xiejiaan age
• North American Land Mammal Ages: Arikareean age
• North American Mammal Subages/Zones: Harrisonian subage, late Early Arikareean subage, early Early Arikareean subage, early Late Arikareean subage, late Late Arikareean subage
• South American Land Mammal Ages: Deseadan age, Colhuehuapian age
• Calcareous Nannoplankton Zones: NN2 zone, NN1 zone
• Planktic Foraminiferal Zones: P. kugleri TRZ zone, G. binaiensis PRZ zone, P. pseudokugleri LOZ zone
• Neogene North Pacific Diatom Biochronology: Thalassiosira praefraga zone, Crucidenticula sawamurae - Thalassiosira fraga zone
• Geomagnetic Polarity Chrons: C6C chron, C6B chron, C6AA chron, C6A chron
• Cretaceous-Cenozoic of New Zealand: Landon epoch, Waitakian age, Pareora epoch, Otaian age

This interval is used in the definition of 6 collections

A total of 625 collections with 5245 occurrences lie within this time span