ammonites
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Gateway to the Paleobiology Database

Ordian age/stage

General information
Lower boundary: after 516 Ma (based on Botomian)
Upper boundary: equal to 513 Ma (based on Early/Lower Cambrian)
Continent: Australia
See collections within this interval
See map of collections within this interval
Key correlations
Period: Cambrian
Epoch: Early/Lower Cambrian
10 million year bin: Cambrian 2
Overlaps with
  • Toyonian (516.0 to 513.0 Ma)
  • Botomian (516.0 to 513.0 Ma)
  • Duyunian (516.0 to 513.0 Ma)
  • Nangaoian (516.0 to 513.0 Ma)
  • Interval name: