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Stratigraphic time

<< Stratigraphic table

Oligocene

Millions years ago: 33.9 - 23.03
This age is part of 
Phanerozoic541 - recent
Cenozoic66 - recent
Tertiary66 - 2.58
Paleogene66 - 23.03
This age is subdivided to 
Upper Oligocene27.82 - 23.03
Lower Oligocene33.9 - 27.82
 Number of records
Taxa1078