Type
Zone
Age range
25.2–22.96 Ma
Miocene
Aquitanian
Oligocene
Chattian
P. kugleri TRZ
P. pseudokugleri LOZ
G. ciperoensis PRZ
P. kugleri LOSZ
P. pseudokugleri LOZ
G. ciperoensis PRZ
25.325.225.125.024.924.824.724.624.524.424.324.224.124.023.923.823.723.623.523.423.323.223.123.022.9