ammonites

Ionian age/stage

General information
Lower boundary: equal to 0.781 Ma (see scale)
Upper boundary: equal to 0.126 Ma (see scale)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Quaternary
Epoch: Pleistocene
Subepoch: Middle Pleistocene
10 million year bin: Cenozoic 6
Contained within
  • Pleistocene
  • Nihewanian
  • Quaternary
  • Wanganui
  • Cenozoic
  • Phanerozoic
    • Previous intervals
  • Ensenadan
  • Calabrian
  • Early/Lower Pleistocene
    • Next intervals
  • Late/Upper Pleistocene
  • Tarantian
    • Equivalent to
  • Middle Pleistocene
    • Shares base with
  • Lujanian
    • Overlaps with
  • Rancholabrean (0.3 to 0.012 Ma)
  • Sheridanian (0.3 to 0.012 Ma)
  • Haweran (0.34 to 0.0 Ma)
  • Castlecliffian (1.63 to 0.34 Ma)
  • Irvingtonian (1.8 to 0.3 Ma)
  • Cudahyan (1.8 to 0.3 Ma)
  • Sappan (1.8 to 0.3 Ma)
    • Appears in scale
  • 2009 IUGS Cenozoic Ages (2010)

    • Interval name: