Topic summary
Early Oligocene
Extracted from the Wikipedia article Rupelian.
The Rupelian, in the geologic timescale, the older of two ages or the lower of two stages of the OligoceneEpoch/Series. It spans the time between 33.9 and27.3 Ma. It is preceded by the Priabonian Stage (part of the Eocene) and is followed by the Chattian Stage. The Rupelian is also known, informally, as the early Oligocene and lower Oligocene.