Type
Sub-age
Age range
7.642–7.528 Ma
Miocene
Tortonian
C3Br.3r
C4n.1n
C4n.1r
7.647.647.637.637.637.627.627.617.617.607.597.597.587.587.587.577.577.567.557.557.547.547.547.537.53