Type
Sub-age
Age range
26.42–25.987 Ma
Oligocene
Chattian
C8n.2n
C8r
C9n
26.4226.4026.3826.3626.3426.3226.3026.2826.2626.2426.2226.2026.1826.1626.1426.1226.1026.0826.0626.0426.0226.0025.98