Type
Sub-age
Age range
25.099–24.984 Ma
Oligocene
Chattian
C7An
C7Ar
C8n.1n
25.1025.0925.0925.0925.0825.0725.0725.0725.0625.0525.0525.0525.0425.0425.0325.0225.0225.0225.0125.0025.0025.0024.9924.9824.98