Cretaceous

third and final period of the Mesozoic Era
Thing period Q44626
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Cretaceous

Summary

Cretaceous is a period[1]. Cretaceous ranks in the top 3% of period entities by monthly Wikipedia readership (4,921 views/month).[2]

Key Facts

  • Cretaceous's image is recorded as Mollweide Paleographic Map of Earth, 105 Ma (Albian Age).png[3].
  • Cretaceous's image is recorded as Caspar David Friedrich's Chalk Cliffs on Rügen.jpg[4].
  • Cretaceous's instance of is recorded as period[5].
  • Cretaceous's instance of is recorded as system[6].
  • chalk is named after Cretaceous[7].
  • Cretaceous's follows is recorded as Jurassic[8].
  • Cretaceous's followed by is recorded as Paleogene[9].
  • Cretaceous's GND ID is recorded as 4135819-3[10].
  • Cretaceous's Library of Congress authority ID is recorded as sh85097127[11].
  • Cretaceous's Library of Congress authority ID is recorded as sh85054092[12].
  • Cretaceous's Bibliothèque nationale de France ID is recorded as 11975339c[13].
  • Cretaceous's NDL Authority ID is recorded as 00562851[14].
  • Cretaceous's part of is recorded as Mesozoic[15].
  • Cretaceous's part of is recorded as ICS Standard Global Chronostratigraphic (Geochronologic) Scale[16].
  • Cretaceous's Commons category is recorded as Cretaceous[17].
  • Cretaceous's sRGB color hex triplet is recorded as 7FC64E[18].
  • Cretaceous's BNCF Thesaurus ID is recorded as 30512[19].
  • Cretaceous's has part is recorded as Early Cretaceous[20].
  • Cretaceous's has part is recorded as Late Cretaceous[21].
  • Cretaceous's start time is recorded as -145000000-00-00T00:00:00Z[22].
  • Cretaceous's end time is recorded as -66000000-00-00T00:00:00Z[23].
  • Cretaceous's Freebase ID is recorded as /m/01pt4[24].
  • Cretaceous's NL CR AUT ID is recorded as ph124941[25].
  • Cretaceous's significant event is recorded as Cretaceous-Paleogene mass extinction[26].
  • Cretaceous's IPA transcription is recorded as /krɪˈteɪʃəs/[27].

Body

Works and Contributions

Things named for Cretaceous include Cretaceous-Paleogene mass extinction[28], an extinction event[29].

Why It Matters

Cretaceous ranks in the top 3% of period entities by monthly Wikipedia readership (4,921 views/month).[2] Cretaceous has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] Cretaceous is known by 69 alternative names across languages and contexts.[31]

Entities named for Cretaceous include Cretaceous-Paleogene mass extinction[28], an extinction event[29].

References

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

Direct Wikidata claims

  1. [3] . zenodo.org. zenodo.org. Provenance: wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  4. [6] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  7. [9] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . CGMW ICS colour codes. wikidata.org.
  17. [19] . Nuovo soggettario. wikidata.org.
  18. [20] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  19. [21] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  20. [22] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  21. [23] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  22. [24] . Freebase Data Dumps. wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . 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. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). Cretaceous. Retrieved May 3, 2026, from https://4ort.xyz/entity/cretaceous
MLA “Cretaceous.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cretaceous.
BibTeX @misc{4ortxyz_cretaceous_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cretaceous}}, year = {2026}, url = {https://4ort.xyz/entity/cretaceous}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cretaceous — https://4ort.xyz/entity/cretaceous (retrieved 2026-05-03)

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