ammonites

Fassanian subage/stage

General information
Lower boundary: equal to 242 Ma (based on Ladinian)
Upper boundary: before 235 Ma (based on Carnian)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Triassic
Epoch: Middle Triassic
Stage: Ladinian
10 million year bin: Triassic 2
Contained within
  • Ladinian
  • Gore
  • Triassic
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous intervals
  • Anisian
  • Illyrian
  • Pelsonian
  • Bithynian
  • Aegean
    • Next intervals
  • Late/Upper Triassic
  • Carnian
  • Julian
    • Shares top with
  • Donguzian, Middle Triassic
    • Overlaps with
  • Kaihikuan (238.5 to 227.5 Ma)
  • Longobardian (242.0 to 235.0 Ma)
  • Bukobayian (242.0 to 235.0 Ma)
  • Etalian (244.5 to 238.5 Ma)
    • Appears in scales
  • Triassic subages (2010)
  • Gradstein et al. 1995 Mesozoic Substages (1995)

    • Interval name: