Type
Zone
Age range
28–26.9 Ma

International Timescale

Oligocene
Chattian
Rupelian

Planktic Foraminiferal Primary Biozones

G. ciperoensis PRZ
P. opima HOZ
G. angulisuturalis/C.cubensis CRZ

Planktic Foraminiferal Secondary Biozones

G. ciperoensis PRZ
P. opima HOZ
G. angulisuturalis/C.cubensis CRZ
28.027.927.927.927.827.827.727.627.627.627.527.427.427.427.327.327.227.127.127.127.026.926.9

Macrostrat

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