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Gateway to the Paleobiology Database

Osagean age/stage

General information
Lower boundary: equal to 353.8 Ma (based on Ivorian)
Upper boundary: before 342.8 Ma (based on Arundian)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Shares base with
Shares top with
Overlaps with
  • Meramecian (345.0 to 336.0 Ma)
  • Visean (345.3 to 326.4 Ma)
  • Middle Mississippian (345.3 to 326.4 Ma)
  • Jiusian (345.3 to 339.4 Ma)
  • Tournaisian (360.7 to 345.3 Ma)
  • Early/Lower Mississippian (360.7 to 345.3 Ma)
  • Tangbagouan (360.7 to 345.3 Ma)
  • Interval name: