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What is unique about the Oligocene?
What caused Oligocene cooling?
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What animals lived in the Oligocene period?
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 marked by large-scale extinction and floral and faunal turnover, although it was relatively minor in comparison to the largest mass extinctions.
This category has the following 8 subcategories, out of 8 total. Oligocene animals of Asia ...
The Oligocene Epoch, the last epoch during the Paleogene Period of the Cenozoic Era. See also the preceding Category:Eocene and the succeeding Category:Miocene ...
Life present during the Oligocene epoch of the Paleogene Period, in the Cenozoic Era. See also the preceding Category:Eocene life and the succeeding Category: ...
Oligocene epoch geologic formations, formed during the late Paleogene Period of the Cenozoic Era. See also the preceding Category:Eocene Series and the ...
This category includes biological taxa of rank more inclusive than genus that went extinct during the Oligocene epoch of geologic time, between 33.9 and 23 ...
Volcanoes that were active in the Oligocene epoch (approximately 33,900,000 years to 23,000,000 years ago). Preceded by Category:Eocene volcanoes.
The Oligocene is a geologic epoch of the Paleogene period and extends from about 33.9 million to 23 million years before the present.