ammonites

Barstovian age/stage

General information
Lower boundary: equal to 15.97 Ma (based on Langhian)
Upper boundary: equal to 13.6 Ma (see scale)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Neogene
Epoch: Miocene
Subepoch: Middle Miocene
10 million year bin: Cenozoic 5
Contained within
  • Miocene
  • Neogene
  • Tertiary
  • Cenozoic
  • Phanerozoic
    • Previous intervals
  • Early/Lower Miocene
  • Burdigalian
  • Hemingfordian
  • Late/Upper Hemingfordian
  • Early/Lower Hemingfordian
  • Orleanian
  • MN 4
    • Next intervals
  • Clarendonian
  • Late/Upper Clarendonian
  • Early/Lower Clarendonian
    • Contains
  • Clifdenian, Colloncuran, Early/Lower Barstovian, early Late Barstovian, late Late Barstovian
    • Shares base with
  • Astaracian, Langhian, MN 5, Middle Miocene
    • Overlaps with
  • Tunggurian (13.65 to 11.1 Ma)
  • Serravallian (13.65 to 11.608 Ma)
  • Lillburnian (13.65 to 12.7 Ma)
  • Badenian (13.65 to 12.7 Ma)
  • MN 6 (13.65 to 12.75 Ma)
  • Laventan (13.8 to 11.8 Ma)
  • Southland (15.9 to 10.92 Ma)
  • Friasian (16.3 to 15.5 Ma)
  • Shanwangian (16.9 to 13.65 Ma)
  • Altonian (19.0 to 15.9 Ma)
  • Pareora (21.7 to 15.9 Ma)
    • Appears in scales
  • North American Land Mammal Ages (2000)
  • North American Provincial Ages (1990)
  • North American Mammal Ages (1987)

    • Interval name: