20 - 16.9 Ma

The definition of this interval in the timescale European Faunal Zones 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 8 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Burdigalian age, Miocene epoch
• Cenozoic Subepochs: Early Miocene subepoch
• European Faunal Units: Orleanian subage
• Neogene Mammal Ages of China: Xiejiaan age
• North American Land Mammal Ages: Hemingfordian age, Arikareean age
• North American Mammal Subages/Zones: late Early Arikareean subage, Late Hemingfordian subage, Early Hemingfordian subage, early Early Arikareean subage, Harrisonian subage, late Late Arikareean subage, early Late Arikareean subage
• South American Land Mammal Ages: Colhuehuapian age, Santacrucian age
• Cretaceous-Cenozoic of New Zealand: Pareora epoch, Altonian age, Otaian age

This interval is used in the definition of 182 collections

A total of 1705 collections with 20076 occurrences lie within this time span