Rhuddanian

first stage and age of the Llandovery series and epoch and of the Silurian system and period
Thing stage Q260369
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Rhuddanian

Summary

Rhuddanian is a stage[1]. Rhuddanian draws 19 Wikipedia views per month (stage category, ranking #66 of 106).[2]

Key Facts

  • Rhuddanian's instance of is recorded as stage[3].
  • Rhuddanian's instance of is recorded as age[4].
  • Cwm Rhuddan is named after Rhuddanian[5].
  • Rhuddanian's follows is recorded as Hirnantian[6].
  • Rhuddanian's follows is recorded as Cincinnatian[7].
  • Rhuddanian's followed by is recorded as Aeronian[8].
  • Rhuddanian's part of is recorded as Llandovery[9].
  • Rhuddanian's part of is recorded as ICS Standard Global Chronostratigraphic (Geochronologic) Scale[10].
  • Rhuddanian's sRGB color hex triplet is recorded as 93DBC6[11].
  • Rhuddanian's start time is recorded as -443800000-00-00T00:00:00Z[12].
  • Rhuddanian's end time is recorded as -440800000-00-00T00:00:00Z[13].
  • Rhuddanian's coordinate location is recorded as {'lat': 55.44, 'lon': -3.27}[14].
  • Rhuddanian's Encyclopædia Britannica Online ID is recorded as science/Rhuddanian-Age[15].
  • Rhuddanian's Encyclopædia Britannica Online ID is recorded as science/Rhuddanian-Stage[16].
  • Rhuddanian's Google Knowledge Graph ID is recorded as /g/121s45t1[17].
  • Rhuddanian's type locality is recorded as GSSP for the base of Rhuddanian[18].
  • Rhuddanian's named by is recorded as Charles Hepworth Holland[19].
  • Rhuddanian's e-Maapõu stratigraphy ID is recorded as 117[20].
  • Rhuddanian's Encyclopedia of China is recorded as 447912[21].
  • Rhuddanian's GCMD keyword ID is recorded as 4b67850f-0a8a-4e35-b6db-ea37d8cbfbea[22].

Why It Matters

Rhuddanian draws 19 Wikipedia views per month (stage category, ranking #66 of 106).[2] Rhuddanian has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[23] Rhuddanian is known by 8 alternative names across languages and contexts.[24]

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] . wikidata.org.
  4. [6] . International Chronostratigraphic Chart 2013/01. wikidata.org.
  5. [7] . A Dictionary of Geology and Earth Sciences. Retrieved . oxfordreference.com. Provenance: wikidata.org.
  6. [8] . International Chronostratigraphic Chart 2013/01. wikidata.org.
  7. [9] . International Chronostratigraphic Chart 2013/01. wikidata.org.
  8. [10] . stratigraphy.org. stratigraphy.org. Provenance: wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . stratigraphy.org. stratigraphy.org. Provenance: wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] . Wikidata sitelinks. wikidata.org.
  3. [24] . 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). Rhuddanian. Retrieved May 3, 2026, from https://4ort.xyz/entity/rhuddanian
MLA “Rhuddanian.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rhuddanian.
BibTeX @misc{4ortxyz_rhuddanian_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Rhuddanian}}, year = {2026}, url = {https://4ort.xyz/entity/rhuddanian}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Rhuddanian — https://4ort.xyz/entity/rhuddanian (retrieved 2026-05-03)

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