Oligozän
Geologic Time Scale (2019)
Chattian Age
older bound -33.9 Ma
Rupelian Age
Oligoseeni
oligocén
oligocén
Oligocène
Cenozoic Era
Oligocen
Oligocen
Paleogene Period
Priabonian Age
oligocene
younger bound -23.03 Ma
Oligocénico
Oligoceno
Oligotseen
Oligocæn
渐新世
Miocene Epoch
Олигоцен
Oligocenas
oligocen
oligocen
漸新世
Phanerozoic Eon
Eocene Epoch
Oliogoceen
a1.1.1.3.1
Base of Oligocene
Aquitanian Age
Neogene Period
Oligocene
Oligocene Epoch
Oligocén
Base of Neogene