ammonites

Late/Upper Triassic epoch

General information
Lower boundary: equal to 235 Ma (based on Carnian)
Upper boundary: equal to 201.6 Ma (based on Rhaetian)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Triassic
Contained within
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous intervals
  • Middle Triassic
  • Ladinian
  • Longobardian
  • Fassanian
  • Bukobayian
  • Donguzian
    • 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, Oretian, Otamitan, Sevatian, Tuvalian, Warepan
    • Shares base with
  • Carnian, Julian
    • Shares top with
  • Balfour, Misikella bidentata-posthernsteini, Misikella posthernsteini-hernsteini, Misikella rhaetica, Misikella ultima, Otapirian, Rhaetian, Triassic
    • Overlaps with
  • Kaihikuan (238.5 to 227.5 Ma)
  • Gore (252.3 to 227.5 Ma)
    • Appears in scales
  • Gradstein 5: Epochs (2004)
  • Harland 4: Epochs (1990)

    • Interval name: