ammonites
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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
Overlaps with
  • Kaihikuan (238.5 to 227.5 Ma)
  • Malakovian (251.3 to 244.5 Ma)
  • Appears in scales

    Interval name: