The Oligocene (IPA: / ˈɒlɪɡəsiːn, - ɡoʊ -/ OL-ə-gə-seen, -⁠goh-) [4] is a geologic epoch of the Paleogene Period that extends from about 33.9 million to 23 million years before the present (33.9 ± 0.1 to 23.03 ± 0.05 Ma).

Oligocene Epoch, third and last major worldwide division of the Paleogene Period (65.5 million to 23 million years ago), spanning the interval between 33.9 million to 23 million years ago. The Oligocene Epoch is subdivided into two ages and their corresponding rock stages: the Rupelian and the Chattian .

Apr 29, 2014 · The name Oligocene comes from the Greek ὀλίγος (oligos, few) and καινός (kainos, new), and refers to the sparsity of additional modern mammalian species of fauna after a burst of evolution during the Eocene. The Oligocene is preceded by the Eocene epoch and is followed by the Miocene epoch.

Feb 28, 2019 · The Oligocene epoch marked the continuing transition between the wildlife of the Eocene and Miocene epochs. Here's a look at prehistoric life during the Oligocene epoch.

May 29, 2018 · The Oligocene Epoch is the third epoch in the Tertiary Period (in the alternative, the latest (most recent) epoch in the Paleogene Period). The Oligocene Epoch lasts from approximately 34 million years ago (mya) to 23 mya.

The Oligocene was the last major geologic subdivision of the Paleogene period (65-23 million years ago), following the Paleocene (85-56 million years ago) and Eocene (56-34 million years ago) epochs; all of these periods and epochs were themselves part of the Cenozoic Era (65 million years ago to the present). Climate and geography.

The Oligocene is the last geological epoch in the Palaeogene. It lasted for about 11 million years, from 34 million years ago to 23 million years ago. It was preceded by the Eocene and followed by the Miocene. During the Oligocene, the world continued …

The Oligocene follows the Eocene epoch and is followed by the Miocene epoch. The start of the Oligocene is marked by a extinction event that may be related to the impact of large extraterrestrial object in Siberia and/or near Chesapeake Bay.

Oligocene Epoch, Major division of the Paleogene Period, from c. 33.9 million to 23 million years ago. It follows the Eocene Epoch and precedes the Miocene Epoch. The term (from the Greek for “few recent forms”) refers to the small number of modern animals that …

Oligocene Period is the third and last major worldwide division of the Paleogene Period which is 65.5 million to about 23 million years ago. This is the interval between 33.9 million to 23 million years ago.