19.2 - 18 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 12 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Burdigalian age, Miocene epoch
• Cenozoic Subepochs: Early Miocene subepoch
• European Faunal Units: Orleanian subage
• European Faunal Zones: MN 3 zone
• Neogene Mammal Ages of China: Xiejiaan age
• North American Land Mammal Ages: Arikareean age, Hemingfordian age
• North American Mammal Subages/Zones: early Early Arikareean subage, late Early Arikareean subage, early Late Arikareean subage, late Late Arikareean subage, Early Hemingfordian subage, Late Hemingfordian subage, Harrisonian subage
• South American Land Mammal Ages: Colhuehuapian age
• Planktic Foraminiferal Zones: Globigerinatella sp./C. dissimilis CRZ zone
• Neogene North Pacific Diatom Biochronology: Crucidenticula sawamurae - Thalassiosira fraga zone
• Geomagnetic Polarity Chrons: C6 chron, C5D chron, C5E chron
• Cretaceous-Cenozoic of New Zealand: Altonian age, Otaian age, Pareora epoch

This interval is used in the definition of 13 collections

A total of 6 collections with 54 occurrences lie within this time span