ammonites

Norian age/stage

General information
Lower boundary: equal to 221.5 Ma (see scale)
Upper boundary: equal to 205.6 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
10 million year bin: Triassic 4
Contained within
  • Balfour
  • Late/Upper Triassic
  • Triassic
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous intervals
  • Carnian
  • Tuvalian
  • Oretian
    • Next intervals
  • Rhaetian
  • Otapirian
  • Misikella ultima
  • Misikella rhaetica
  • Misikella posthernsteini-hernsteini
  • Misikella bidentata-posthernsteini
    • Contains
  • Alaunian
    • Shares base with
  • Lacian, Otamitan
    • Shares top with
  • Sevatian, Warepan
    • Appears in scales
  • Late Triassic Stages (2012)
  • Late Triassic Stages (2011)
  • Late Triassic Stages (2011)
  • Triassic stages (2010)
  • Gradstein 7: Stages (2004)
  • Gradstein et al. 1995 Mesozoic Stages (1995)
  • Harland 6: Stages (1990)

    • Interval name: