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Gateway to the Paleobiology Database

Early/Lower Oligocene subepoch

General information
Lower boundary: equal to 33.9 Ma (based on Rupelian)
Upper boundary: equal to 28.4 Ma (based on Rupelian)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Paleogene
Epoch: Oligocene
Stage: Rupelian
10 million year bin: Cenozoic 4
Equivalent to
Shares base with
Overlaps with
  • Deseadan (29.0 to 21.0 Ma)
  • Arikareean (30.8 to 20.43 Ma)
  • late Late Arikareean (30.8 to 20.43 Ma)
  • early Late Arikareean (30.8 to 20.43 Ma)
  • late Early Arikareean (30.8 to 20.43 Ma)
  • early Early Arikareean (30.8 to 20.43 Ma)
  • Geringian (30.8 to 26.3 Ma)
  • Tinguirirican (36.0 to 29.0 Ma)
  • Interval name: