ammonites

Colhuehuapian age/stage

General information
Lower boundary: equal to 21 Ma (see scale)
Upper boundary: equal to 17.5 Ma (see scale)
Continent: South America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Neogene
Epoch: Miocene
Subepoch: Early/Lower Miocene
10 million year bin: Cenozoic 5
Contained within
  • Pareora
  • Xiejiaan
  • Early/Lower Miocene
  • Miocene
  • Neogene
  • Tertiary
  • Cenozoic
  • Phanerozoic
    • Previous interval
  • Deseadan
    • Next interval
  • Santacrucian
    • Overlaps with
  • Altonian (19.0 to 15.9 Ma)
  • Orleanian (20.0 to 15.97 Ma)
  • MN 3 (20.0 to 16.9 Ma)
  • Burdigalian (20.43 to 15.97 Ma)
  • Hemingfordian (20.43 to 15.97 Ma)
  • Late/Upper Hemingfordian (20.43 to 15.97 Ma)
  • Early/Lower Hemingfordian (20.43 to 15.97 Ma)
  • Otaian (21.7 to 19.0 Ma)
  • MN 2 (22.4 to 20.0 Ma)
  • Agenian (23.03 to 20.0 Ma)
  • Aquitanian (23.03 to 20.43 Ma)
  • Harrisonian (24.8 to 20.43 Ma)
  • Arikareean (30.8 to 20.43 Ma)
  • late Late Arikareean (30.8 to 20.43 Ma)
  • early Late Arikareean (30.8 to 20.43 Ma)
  • late Early Arikareean (30.8 to 20.43 Ma)
  • early Early Arikareean (30.8 to 20.43 Ma)
    • Appears in scale
  • South American Land Mammal Ages (1995)

    • Interval name: