Oligocene

third and last series and epoch of the Paleogene system and period
Thing epoch Q101873
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Summary

Oligocene is an epoch[1]. Oligocene draws 3,779 Wikipedia views per month (epoch category, ranking #7 of 20).[2]

Key Facts

  • Instance of: series[3]
  • Follows: Eocene[4]
  • Followed by: Miocene[5]
  • Part of: Paleogene[6], ICS Standard Global Chronostratigraphic (Geochronologic) Scale[7]
  • Commons category: Oligocene[8]
  • SRGB color hex triplet: FEC386[9]
  • Has part(s): Chattian[10], Rupelian[11]
  • Start time: -33900000-00-00T00:00:00Z[12]
  • End time: -23030000-00-00T00:00:00Z[13]
  • Topic's main category: Category:Oligocene[14]
  • Described by source: Meyers Konversations-Lexikon, 4th edition (1885–1890)[15], Encyclopædia Britannica 11th edition[16]
  • Named by: Heinrich Ernst Beyrich[17]

Body

Influence

Things named for Oligocene include Tetraponera oligocenica[18], a fossil taxon[19].

Why It Matters

Oligocene has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[20] Oligocene is known by 47 alternative names across languages and contexts.[21]

Entities named for Oligocene include Tetraponera oligocenica[18], a fossil taxon[19].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  2. [4] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  3. [5] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  4. [6] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  9. [11] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  10. [12] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  11. [13] ↑ . International Chronostratigraphic Chart 2013/01. wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [18] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [19] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] ↑ . Wikidata sitelinks. wikidata.org.
  3. [21] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Oligocene. Retrieved October 12, 2026, from https://4ort.xyz/entity/oligocene
MLA “Oligocene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Oct. 2026, https://4ort.xyz/entity/oligocene.
BibTeX @misc{4ortxyz_oligocene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Oligocene}}, year = {2026}, url = {https://4ort.xyz/entity/oligocene}, note = {Accessed: 2026-10-12}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Oligocene — https://4ort.xyz/entity/oligocene (retrieved 2026-10-12)

Canonical URL: https://4ort.xyz/entity/oligocene · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21w ago · Twofivesixbot bot · 2026-05-16 view diff on Wikidata ↗
    Follows → Eocene
    Has parts → —
    Start time → —
    Aliases → —
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|8 */ Yso id: 37767, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.