Aquitanian Stage

The Aquitanian Stage (23.0-20.4 Ma) is the first age in the Miocene epoch, occurring before the Burdigalian and after the Chattian (Oligocene)

Geologic Age

  • 23.03–20.44 million years ago

Eon / Era / Period / Epoch

What happened during this time?

  • An age that is dry and noted for cooling

  • The alternate-leaved dogwood (Cornus alternifolia) split from its closest relatives in eastern Asia around 22 million years ago.