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Gateway to the Paleobiology Database

Ypresian age/stage

General information
Lower boundary: equal to 55.8 Ma (see scale)
Upper boundary: equal to 48.6 Ma (see scale)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Paleogene
Epoch: Eocene
Subepoch: Early/Lower Eocene
10 million year bin: Cenozoic 2
Overlaps with
  • Heretaungan (49.5 to 46.2 Ma)
  • Bridgerian (50.3 to 46.2 Ma)
  • Twinbuttean (50.3 to 46.2 Ma)
  • Blacksforkian (50.3 to 46.2 Ma)
  • Gardnerbuttian (50.3 to 46.2 Ma)
  • Interval name: