Toarcian turnover
type: Thing
description: mass extinction event that marked the end of the Pliensbachian stage and the start of the Toarcian stage of the Early Jurassic period, c. 183 Ma
additional property: PropertyValue
  property ID: P31
  value: extinction event
additional property: PropertyValue
  property ID: P138
  value: Toarcian
additional property: PropertyValue
  property ID: P585
  value: -182700000-00-00T00:00:00Z
additional property: PropertyValue
  property ID: P646
  value: /m/02wzs49
additional property: PropertyValue
  property ID: P6366
  value: 2780255150
confidence:
  popularity graph score:
    score: 0.004
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 5
      sitelinks norm: 0.012
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 61
      monthly pageviews norm: 0.0
  sitelinks: 5
  unique citations: 2
  monthly pageviews: 61
  yearly pageviews: 114
  pageview trend:
    m: 2026-08
    v: 61
  pageview trend:
    m: 2026-07
    v: 6
  pageview trend:
    m: 2026-06
    v: 12
  pageview trend:
    m: 2026-05
    v: 10
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-04
    v: 1
  pageview trend:
    m: 2026-04
    v: 21
  popularity:
    sitelinks: 5
    max: 423
    pct: 1.2
  tier: long_tail
claims:
  P31:
    value: Q55814
    source count: 0
    confidence: 0.0
    value label: extinction event
  P138:
    value: Q914363
    source count: 0
    confidence: 0.0
    value label: Toarcian
  P585:
    value: -182700000-00-00T00:00:00Z
    source count: 1
    confidence: 0.2
  P646:
    value: /m/02wzs49
    source count: 1
    confidence: 0.2
  P6366:
    value: 2780255150
    source count: 0
    confidence: 0.0
citations:
  source: Freebase Data Dumps
  stated in qid: Q15241312
  pub year: 2013
meta:
  wikidata id: Q378170
  domain: extinction_event
  level: standard
  html url: https://4ort.xyz/entity/toarcian-turnover
  markdown url: https://4ort.xyz/entity/toarcian-turnover.md
  facts url summary: https://4ort.xyz/entity/toarcian-turnover/facts.json
  facts url standard: https://4ort.xyz/entity/toarcian-turnover/facts.json
  facts url full: https://4ort.xyz/entity/toarcian-turnover/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-28T03:34:07.727281Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-04-11T00:02:55.535716+00:00Z