ammonites

Cudahyan subage/stage

General information
Lower boundary: after 1.8 Ma (based on Irvingtonian)
Upper boundary: equal to 0.3 Ma (based on Irvingtonian)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Quaternary
Epoch: Pleistocene
10 million year bin: Cenozoic 6
Contained within
  • Irvingtonian
  • Pleistocene
  • Nihewanian
  • Quaternary
  • Wanganui
  • Cenozoic
  • Phanerozoic
    • Previous intervals
  • Blancan
  • "Senecan"
  • Rexroadian
    • Next intervals
  • Rancholabrean
  • Sheridanian
    • Contains
  • Castlecliffian, Ensenadan
    • Overlaps with
  • Haweran (0.34 to 0.0 Ma)
  • Lujanian (0.781 to 0.012 Ma)
  • Middle Pleistocene (0.781 to 0.126 Ma)
  • Ionian (0.781 to 0.126 Ma)
  • Sappan (1.8 to 0.3 Ma)
  • Calabrian (1.806 to 0.781 Ma)
  • Nukumaruan (2.4 to 1.63 Ma)
  • Early/Lower Pleistocene (2.588 to 0.781 Ma)
  • Uquian (3.0 to 1.2 Ma)
    • Appears in scale
  • North American Mammal Subages/Zones: Arikareean - Rancholabrean (1987)

    • Interval name: