ammonites

Krevyakian subage/stage

General information
Lower boundary: equal to 306.95 Ma (based on Kasimovian)
Upper boundary: equal to 305.9 Ma (see scale)
Continent: Europe
See collections within this interval
See map of collections within this interval
Key correlations
Period: Carboniferous
Epoch: Late/Upper Pennsylvanian
Stage: Kasimovian
10 million year bin: Carboniferous 5
Contained within
  • Dalanian
  • Pennsylvanian
  • Carboniferous
  • Sherman
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Moscovian
  • Myachkovian
  • Westphalian
  • Westphalian D
  • Middle Pennsylvanian
    • Next intervals
  • Khamovnichean
  • Stephanian A
  • Missourian
    • Shares base with
  • Kasimovian, Late/Upper Pennsylvanian, Stephanian, Xiaodushanian
    • Shares top with
  • Cantabrian, Desmoinesian, Peskovian
    • Appears in scales
  • Carboniferous and Early Permian Substages of Russia (2012)
  • Gradstein Carbo-Permian Substages of the Russian Platform (2004)
  • Harland 6: Stages (1990)

    • Interval name: