ammonites

Early/Lower Callovian subage/stage

General information
Lower boundary: equal to 164.7 Ma (based on Callovian)
Upper boundary: before 161.2 Ma (based on Callovian)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Jurassic
Epoch: Middle Jurassic
Stage: Callovian
10 million year bin: Jurassic 5
Contained within
  • Callovian
  • Kawhia
  • Jurassic
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous intervals
  • Bathonian
  • Late/Upper Bathonian
  • Middle Bathonian
  • Early/Lower Bathonian
    • Next intervals
  • Late/Upper Jurassic
  • Oxfordian
  • Late/Upper Oxfordian
  • Middle Oxfordian
  • Early/Lower Oxfordian
  • Heterian
    • Shares top with
  • Middle Jurassic, Temaikan
    • Overlaps with
  • Late/Upper Callovian (164.7 to 161.2 Ma)
  • Middle Callovian (164.7 to 161.2 Ma)
    • Appears in scales
  • Palfy Callovian Substages (2000)
  • Gradstein et al. 1995 Mesozoic Substages (1995)

    • Interval name: