(Translated by https://www.hiragana.jp/)
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ammonites
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Gateway to the Paleobiology Database

Alaunian subage/stage

General information
Lower boundary: equal to 215.56 Ma (see scale)
Upper boundary: equal to 212 Ma (see scale)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Triassic
Epoch: Late/Upper Triassic
Stage: Norian
10 million year bin: Triassic 4
Contained within
  • Norian
  • Balfour
  • Late/Upper Triassic
  • Triassic
  • Mesozoic
  • Phanerozoic
    • Previous interval
  • Lacian
    • Next intervals
  • Sevatian
  • Warepan
    • Shares top with
  • Otamitan
    • Appears in scales
  • Carnian and Norian Substages (2011)
  • Norian substages (2011)
  • Triassic subages (2010)
  • Gradstein et al. 1995 Mesozoic Substages (1995)

    • Interval name: