ammonites

Uintan age/stage

General information
Lower boundary: equal to 46.2 Ma (see scale)
Upper boundary: equal to 40.4 Ma (based on Lutetian)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Paleogene
Epoch: Eocene
Subepoch: Middle Eocene
Stage: Lutetian
10 million year bin: Cenozoic 2
Contained within
  • Middle Eocene
  • Sharamurunian
  • Irdinmanhan
  • Arshantan
  • Eocene
  • Paleogene
  • Tertiary
  • Cenozoic
  • Phanerozoic
    • Previous intervals
  • Bridgerian
  • Twinbuttean
  • Blacksforkian
  • Gardnerbuttian
  • Heretaungan
    • Next intervals
  • Bartonian
  • Duchesnean
  • MP 16
    • Contains
  • Early/Lower Uintan, Late/Upper Uintan
    • Shares base with
  • Porangan
    • Shares top with
  • Lutetian, MP 11, MP 12, MP 13, MP 14, MP 15
    • Overlaps with
  • Divisaderan (42.0 to 36.0 Ma)
  • Arnold (43.0 to 34.3 Ma)
  • Bortonian (43.0 to 37.2 Ma)
  • Mustersan (48.0 to 42.0 Ma)
  • Dannevirke (65.5 to 43.0 Ma)
    • Appears in scales
  • North American Land Mammal Ages (2000)
  • North American Provincial Ages (1990)
  • North American Mammal Ages (1987)

    • Interval name: