ammonites
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Datsonian age/stage

General information
Lower boundary: after 488.3 Ma (based on Tremadocian)
Upper boundary: equal to 488.3 Ma (based on Tremadocian)
Continent: Australia
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
Epoch: Early/Lower Ordovician
Stage: Tremadocian
10 million year bin: Ordovician 1
Overlaps with
  • Mansian (488.3 to 488.3 Ma)
  • Interval name: