ammonites

Meramecian age/stage

General information
Lower boundary: after 345 Ma (based on Arundian)
Upper boundary: before 336 Ma (based on Asbian)
Continent: North America
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
  • Visean
  • Middle Mississippian
  • Mississippian
  • Carboniferous
  • Sherman
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Chadian
  • Radaevian
  • Kosvinian
    • Next intervals
  • Brigantian
  • Venevian
    • Contains
  • Aleksian, Holkerian, Tulian
    • Shares base with
  • Arundian, Bobrikovian
    • Shares top with
  • Asbian, Mikhailovian
    • Overlaps with
  • Chesterian (339.4 to 318.1 Ma)
  • Shangsian (339.4 to 326.4 Ma)
  • Jiusian (345.3 to 339.4 Ma)
  • Osagean (353.8 to 342.8 Ma)
    • Appears in scales
  • Subcommission on Carboniferous Stratigraphy North American Stages (2006)
  • Gradstein Carboniferous of North America (2004)
  • Harland Carboniferous of the USA (1990)

    • Interval name: