Astronomy   View all facts   Glossary   Help
physical phenomena > event > era > geological era > cenozoic era > tertiary period > oligocene epoch
Next tertiary period: paleocene epoch    Up: tertiary period    Previous tertiary period: miocene epoch   

oligocene epoch comparison table
Subject has duration is a kind of has start time
tertiary period63 million yearscenozoic era63 million years ago
oligocene epoch11 million yearstertiary period36 million years ago

Next tertiary period: paleocene epoch    Up: tertiary period    Previous tertiary period: miocene epoch