Type
Sub-age
Age range
24.474–24.109 Ma
Oligocene
Chattian
C7n.1r
C7n.2n
C7r
24.4824.4624.4424.4224.4024.3824.3624.3424.3224.3024.2824.2624.2424.2224.2024.1824.1624.1424.1224.10