ammonites

Balfour epoch

General information
Lower boundary: equal to 227.5 Ma (see scale)
Upper boundary: equal to 201.6 Ma (based on Rhaetian)
Continent: New Zealand
See collections within this interval
See map of collections within this interval
Key correlations
Period: Triassic
Epoch: Late/Upper Triassic
Contained within
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous intervals
  • Gore
  • Kaihikuan
    • Next intervals
  • Jurassic
  • Early/Lower Jurassic
  • Hettangian
  • Franziceras
  • Euphyllites
  • Psiloceras
  • Angulata
  • Liasicus
  • Planorbis
  • Late/Upper Hettangian
  • Middle Hettangian
  • Early/Lower Hettangian
  • Herangi
  • Aratauran
    • Contains
  • Alaunian, Lacian, Norian, Otamitan, Sevatian, Warepan
    • Shares base with
  • Oretian
    • Shares top with
  • Late/Upper Triassic, Misikella bidentata-posthernsteini, Misikella posthernsteini-hernsteini, Misikella rhaetica, Misikella ultima, Otapirian, Rhaetian, Triassic
    • Overlaps with
  • Tuvalian (232.0 to 221.5 Ma)
  • Carnian (235.0 to 221.5 Ma)
    • Appears in scale
  • New Zealand Series (2004)

    • Interval name: