Type
Sub-age
Age range
24–23.962 Ma
Oligocene
Chattian
C6Cr
C7n.1n
C7n.1r
24.00023.99823.99623.99423.99223.99023.98823.98623.98423.98223.98023.97823.97623.97423.97223.97023.96823.96623.96423.962