Type
Zone
Age range
28.8–24.6 Ma

International Timescale

Oligocene
Chattian
Rupelian

Low Latitude Radiolarian Zonation

Lychnocanoma elongata
Dorcadospyris ateuchus
Theocyrtis tuberosa
28.828.628.428.228.027.827.627.427.227.026.826.626.426.226.025.825.625.425.225.024.824.6

Macrostrat

Data

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