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 (14,223 views/month).[2]

Key Facts

  • Cretaceous's instance of is recorded as period[3].
  • Cretaceous's instance of is recorded as system[4].
  • chalk is named after Cretaceous[5].
  • Cretaceous followed Jurassic[6].
  • Cretaceous was followed by Paleogene[7].
  • Cretaceous is part of Mesozoic[8].
  • Cretaceous is part of ICS Standard Global Chronostratigraphic (Geochronologic) Scale[9].
  • Cretaceous's Commons category is recorded as Cretaceous[10].
  • Cretaceous's sRGB color hex triplet is recorded as 7FC64E[11].
  • Cretaceous comprises Early Cretaceous[12].
  • Cretaceous comprises Late Cretaceous[13].
  • Cretaceous began on -145000000-00-00T00:00:00Z[14].
  • Cretaceous ended on -66000000-00-00T00:00:00Z[15].
  • Cretaceous's significant event is recorded as Cretaceous-Paleogene mass extinction[16].
  • Cretaceous's IPA transcription is recorded as /krɪˈteɪʃəs/[17].
  • Cretaceous's topic's main category is recorded as Category:Cretaceous[18].
  • Cretaceous's described by source is recorded as New Encyclopedic Dictionary[19].
  • Cretaceous's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[20].
  • Cretaceous's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[21].
  • Cretaceous's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[22].
  • Cretaceous's described by source is recorded as Encyclopædia Britannica 11th edition[23].
  • Cretaceous's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[24].
  • Cretaceous's described by source is recorded as Armenian Soviet Encyclopedia, vol. 5[25].
  • Cretaceous's different from is recorded as Kreda[26].
  • Cretaceous's named by is recorded as Jean Baptiste Julien d'Omalius d'Halloy[27].

Body

Definition and Type

Recorded instance of include period[3] and system[4].

Origins

chalk is named after Cretaceous[5].

Use and Application

Components include Early Cretaceous[12], a series[28] and Late Cretaceous[13], a series[29]. Part of include Mesozoic[8], an era[30] and ICS Standard Global Chronostratigraphic (Geochronologic) Scale[9].

Influence

Things named for Cretaceous include Cretaceous-Paleogene mass extinction[31], an extinction event[32].

Why It Matters

Cretaceous ranks in the top 3% of period entities by monthly Wikipedia readership (14,223 views/month).[2] Cretaceous has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[33] Cretaceous is known by 69 alternative names across languages and contexts.[34]

Entities named for Cretaceous include Cretaceous-Paleogene mass extinction[31], an extinction event[32].

References

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

Direct Wikidata claims

  1. [3] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  2. [4] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  5. [7] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  6. [8] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . CGMW ICS colour codes. wikidata.org.
  10. [12] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  11. [13] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  12. [14] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  13. [15] . International Chronostratigraphic Chart 2023/09. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [31] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [30] . Wikidata. wikidata.org. → on this site
  2. [28] . Wikidata. wikidata.org. → on this site
  3. [29] . Wikidata. wikidata.org. → on this site
  4. [32] . 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. [33] . Wikidata sitelinks. wikidata.org.
  3. [34] . 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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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. 24d ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id 0223281-krida-stratigrafie
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0223281-krida-stratigrafie, [[:toollabs:quickstatements/#/batch/259496|batch #259496]]"
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