ammonites

Xiaodushanian age/stage

General information
Lower boundary: after 306.95 Ma (based on Kasimovian)
Upper boundary: equal to 298.9 Ma (based on Melekhovian)
Continent: Asia
See collections within this interval
See map of collections within this interval
Key correlations
Period: Carboniferous
Epoch: Late/Upper Pennsylvanian
10 million year bin: Carboniferous 5
Contained within
  • Stephanian
  • Late/Upper Pennsylvanian
  • Sherman
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Moscovian
  • Myachkovian
  • Westphalian
  • Westphalian D
  • Middle Pennsylvanian
    • Next intervals
  • Permian
  • Rotliegendes
  • Asselian
  • Cisuralian
  • Autunian
  • Lebach
  • Sjuranian
  • Mapingian
  • Sebisurkhian
  • Zisongian
    • Contains
  • Dorogovilovian, Khamovnichean, Klazminskian, Missourian, Noginian, Pavlovoposadian, Rusavkian, Stephanian A, Stephanian B, Stephanian C
    • Shares base with
  • Kasimovian, Krevyakian
    • Shares top with
  • Carboniferous, Gzhelian, Kuzel, Melekhovian, Pennsylvanian
    • Overlaps with
  • Virgilian (303.4 to 295.0 Ma)
  • Peskovian (309.0 to 305.9 Ma)
  • Cantabrian (311.45 to 305.9 Ma)
  • Desmoinesian (313.8 to 305.9 Ma)
  • Dalanian (314.6 to 303.4 Ma)
    • Appears in scales
  • Subcommission on Carboniferous Stratigraphy Chinese Stages (2006)
  • Gradstein Carboniferous of South China (2004)

    • Interval name: