Category:Oligocene

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This category contains events which happened in the Oligocene, a division of the geologic time scale. See geologic time scale for information about its divisions and how they relate to each other.

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Subcategories

There are 2 subcategories to this category shown below (more may be shown on subsequent pages).

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Pages in category "Oligocene"

There are 11 pages in this section of this category.

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