Ludlow
type: Thing
alternate name: Ludlow epoch
alternate name: Ludlow series
description: third series and epoch of the Silurian system and period
additional property: PropertyValue
  property ID: P31
  value: series
additional property: PropertyValue
  property ID: P31
  value: epoch
additional property: PropertyValue
  property ID: P138
  value: Ludlow
additional property: PropertyValue
  property ID: P155
  value: Wenlock
additional property: PropertyValue
  property ID: P156
  value: Pridoli
additional property: PropertyValue
  property ID: P361
  value: Silurian
additional property: PropertyValue
  property ID: P361
  value: ICS Standard Global Chronostratigraphic (Geochronologic) Scale
additional property: PropertyValue
  property ID: P373
  value: Ludlow Epoch
additional property: PropertyValue
  property ID: P465
  value: B4E5DB
additional property: PropertyValue
  property ID: P527
  value: Ludfordian
additional property: PropertyValue
  property ID: P527
  value: Gorstian
additional property: PropertyValue
  property ID: P580
  value: -427400000-00-00T00:00:00Z
additional property: PropertyValue
  property ID: P582
  value: -423000000-00-00T00:00:00Z
additional property: PropertyValue
  property ID: P910
  value: Category:Ludlow epoch
additional property: PropertyValue
  property ID: P1417
  value: science/Ludlow-Series
additional property: PropertyValue
  property ID: P2671
  value: /g/121w1n6h
additional property: PropertyValue
  property ID: P4613
  value: 59039
additional property: PropertyValue
  property ID: P9867
  value: 51
additional property: PropertyValue
  property ID: P12596
  value: 12711
additional property: PropertyValue
  property ID: P13426
confidence:
  popularity graph score:
    score: 0.019
    score pct: 2
    tier: long_tail
    components:
      sitelinks: 23
      sitelinks norm: 0.054
      unique citations: 1
      unique citations norm: 0.0
      monthly pageviews: 2
      monthly pageviews norm: 0.0
  sitelinks: 23
  unique citations: 1
  monthly pageviews: 2
  yearly pageviews: 294
  pageview trend:
    m: 2026-08
    v: 2
  pageview trend:
    m: 2026-07
    v: 180
  pageview trend:
    m: 2026-06
    v: 42
  pageview trend:
    m: 2026-05
    v: 4
  pageview trend:
    m: 2026-05
    v: 21
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 40
  pageview trend:
    m: 2026-04
    v: 3
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 23
    max: 423
    pct: 5.4
    rank label: top 10%
  tier: long_tail
claims:
  P31:
    value: Q312468
    source count: 1
    confidence: 0.2
    value label: series
  P31:
    value: Q754897
    source count: 1
    confidence: 0.2
    value label: epoch
  P138:
    value: Q839811
    source count: 0
    confidence: 0.0
    value label: Ludlow
  P155:
    value: Q1064996
    source count: 1
    confidence: 0.2
    value label: Wenlock
  P156:
    value: Q1062563
    source count: 1
    confidence: 0.2
    value label: Pridoli
  P361:
    value: Q62412
    source count: 1
    confidence: 0.2
    value label: Silurian
  P361:
    value: Q63463770
    source count: 0
    confidence: 0.0
    value label: ICS Standard Global Chronostratigraphic (Geochronologic) Scale
  P373:
    value: Ludlow Epoch
    source count: 0
    confidence: 0.0
  P465:
    value: B4E5DB
    source count: 0
    confidence: 0.0
  P527:
    value: Q912190
    source count: 1
    confidence: 0.2
    value label: Ludfordian
  P527:
    value: Q752878
    source count: 1
    confidence: 0.2
    value label: Gorstian
  P580:
    value: -427400000-00-00T00:00:00Z
    source count: 1
    confidence: 0.2
  P582:
    value: -423000000-00-00T00:00:00Z
    source count: 1
    confidence: 0.2
  P910:
    value: Q30869538
    source count: 0
    confidence: 0.0
    value label: Category:Ludlow epoch
  P1417:
    value: science/Ludlow-Series
    source count: 0
    confidence: 0.0
  P2671:
    value: /g/121w1n6h
    source count: 0
    confidence: 0.0
  P4613:
    value: 59039
    source count: 0
    confidence: 0.0
  P9867:
    value: 51
    source count: 0
    confidence: 0.0
  P12596:
    value: 12711
    source count: 0
    confidence: 0.0
  P13426:
    source count: 0
    confidence: 0.0

source: International Chronostratigraphic Chart 2013/01
stated in qid: Q13464113

wikidata id: Q1065155
domain: series
level: standard
html url: https://4ort.xyz/entity/ludlow-q1065155
markdown url: https://4ort.xyz/entity/ludlow-q1065155.md
facts url summary: https://4ort.xyz/entity/ludlow-q1065155/facts.json
facts url standard: https://4ort.xyz/entity/ludlow-q1065155/facts.json
facts url full: https://4ort.xyz/entity/ludlow-q1065155/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-01T16:30:25.062106Z
entity updated at: 2026-05-03T23:45:09.469384+00:00Z
entity created at: 2026-04-10T23:15:03.131063+00:00Z