ammonites

Middle Triassic epoch

General information
Lower boundary: equal to 247.2 Ma (based on Anisian)
Upper boundary: equal to 235 Ma (based on Carnian)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Triassic
10 million year bin: Triassic 2
Contained within
  • Gore
  • Triassic
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous intervals
  • Early/Lower Triassic
  • Spathian
  • Nammalian
  • Olenekian
  • Smithian
  • Nelsonian
  • Yarengian
  • Vetlugian
  • Gamian
  • Fedorovkian
  • Ustmylian
  • Sludkian
  • Rybinskian
  • Vokhmian
    • Next intervals
  • Late/Upper Triassic
  • Carnian
  • Julian
    • Contains
  • Donguzian, Etalian
    • Shares base with
  • Aegean, Anisian, Bithynian, Illyrian, Pelsonian
    • Shares top with
  • Bukobayian, Fassanian, Ladinian, Longobardian
    • Overlaps with
  • Kaihikuan (238.5 to 227.5 Ma)
  • Malakovian (251.3 to 244.5 Ma)
    • Appears in scales
  • Gradstein 5: Epochs (2004)
  • Harland 4: Epochs (1990)

    • Interval name: