ammonites

Aleksian subage/stage

General information
Lower boundary: after 342.8 Ma (based on Holkerian)
Upper boundary: equal to 339.4 Ma (based on Holkerian)
Continent: Europe
See collections within this interval
See map of collections within this interval
Key correlations
Period: Carboniferous
Epoch: Middle Mississippian
Stage: Visean
10 million year bin: Carboniferous 2
Contained within
  • Holkerian
  • Meramecian
  • Visean
  • Middle Mississippian
  • Mississippian
  • Carboniferous
  • Sherman
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Arundian
  • Osagean
  • Bobrikovian
    • Next intervals
  • Asbian
  • Chesterian
  • Mikhailovian
  • Shangsian
    • Shares top with
  • Jiusian
    • Overlaps with
  • Tulian (342.8 to 339.4 Ma)
    • Appears in scale
  • Gradstein Carbo-Permian Substages of the Russian Platform (2004)

    • Interval name: