ammonites

Deseadan age/stage

General information
Lower boundary: equal to 29 Ma (see scale)
Upper boundary: equal to 21 Ma (see scale)
Continent: South America
See collections within this interval
See map of collections within this interval
Contained within
  • Arikareean
  • late Late Arikareean
  • early Late Arikareean
  • late Early Arikareean
  • early Early Arikareean
  • Tertiary
  • Cenozoic
  • Phanerozoic
    • Previous interval
  • Tinguirirican
    • Next interval
  • Colhuehuapian
    • Contains
  • Chattian, Duntroonian, Late/Upper Oligocene, MN 1, MP 26, MP 27, MP 28, MP 29, MP 30, Monroecreekian, Tabenbulakian, Waitakian
    • Overlaps with
  • Pareora (21.7 to 15.9 Ma)
  • Otaian (21.7 to 19.0 Ma)
  • MN 2 (22.4 to 20.0 Ma)
  • Neogene (23.03 to 2.588 Ma)
  • Miocene (23.03 to 5.332 Ma)
  • Early/Lower Miocene (23.03 to 15.97 Ma)
  • Xiejiaan (23.03 to 16.9 Ma)
  • Agenian (23.03 to 20.0 Ma)
  • Aquitanian (23.03 to 20.43 Ma)
  • Harrisonian (24.8 to 20.43 Ma)
  • Geringian (30.8 to 26.3 Ma)
  • Oligocene (33.9 to 23.03 Ma)
  • Hsandagolian (33.9 to 23.03 Ma)
  • MP 25 (33.9 to 23.03 Ma)
  • Early/Lower Oligocene (33.9 to 28.4 Ma)
  • Rupelian (33.9 to 28.4 Ma)
  • Kekeamuan (33.9 to 28.4 Ma)
  • MP 24 (33.9 to 28.4 Ma)
  • MP 23 (33.9 to 28.4 Ma)
  • MP 22 (33.9 to 28.4 Ma)
  • MP 21 (33.9 to 28.4 Ma)
  • Landon (34.3 to 21.7 Ma)
  • Whaingaroan (34.3 to 27.3 Ma)
  • Paleogene (65.5 to 23.03 Ma)
    • Appears in scale
  • South American Land Mammal Ages (1995)

    • Interval name: