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Cambrian–Ordovician extinction event

mass extinction event; occurred approximately 488 million years ago
Event extinction_event Q1050953
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Cambrian–Ordovician extinction event

Summary

Cambrian–Ordovician extinction event is an extinction event[1]. It draws 42 Wikipedia views per month (extinction_event category, ranking #17 of 22).[2]

Key Facts

  • Cambrian–Ordovician extinction event's instance of is recorded as extinction event[3].
  • Cambrian–Ordovician extinction event's point in time is recorded as -485400000-00-00T00:00:00Z[4].
  • Cambrian–Ordovician extinction event's Freebase ID is recorded as /m/07d65z[5].

Why It Matters

Cambrian–Ordovician extinction event draws 42 Wikipedia views per month (extinction_event category, ranking #17 of 22).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[6] It is known by 23 alternative names across languages and contexts.[7]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . stratigraphy.org. stratigraphy.org. Provenance: wikidata.org.
  3. [5] ↑ . Freebase Data Dumps. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.
  3. [7] ↑ . 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). Cambrian–Ordovician extinction event. Retrieved May 3, 2026, from https://4ort.xyz/entity/cambrian-ordovician-extinction-event
MLA “Cambrian–Ordovician extinction event.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cambrian-ordovician-extinction-event.
BibTeX @misc{4ortxyz_cambrian-ordovician-extinction-event_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cambrian–Ordovician extinction event}}, year = {2026}, url = {https://4ort.xyz/entity/cambrian-ordovician-extinction-event}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cambrian–Ordovician extinction event — https://4ort.xyz/entity/cambrian-ordovician-extinction-event (retrieved 2026-05-03)

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