ammonites
banner
Gateway to the Paleobiology Database

Sappan subage/stage

General information
Lower boundary: equal to 1.8 Ma (based on Irvingtonian)
Upper boundary: before 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
Previous intervals
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)
  • Cudahyan (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)
  • Interval name: