Aquitanian
Geologic time period
The Aquitanian is, in the International Commission on Stratigraphy's geologic timescale, the oldest age or lowest stage in the Miocene. It spans the time between 23.03 ± 0.05 Ma and 20.43 ± 0.05 Ma during the Early Miocene. It was a dry, cooling... Wikipedia
Occurred: 23.03 (+/- 0.05) million years ago - 20.44 (+/- 0.05) million years ago
Epoch: Miocene
Lower boundary definition: Base of magnetic polarity chronozone C6Cn.2n; FAD of the Planktonic foraminiferan Paragloborotalia kugleri
Lower GSSP ratified: 1996
Upper boundary GSSP candidate section(s): Astronomically tuned ODP-core