ammonites

Early/Lower Frasnian age/stage

General information
Lower boundary: equal to 383.7 Ma (see scale)
Upper boundary: equal to 382.4 Ma (see scale)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Devonian
Epoch: Late/Upper Devonian
Stage: Frasnian
10 million year bin: Devonian 4
Contained within
  • Morte
  • Frasnien
  • Adorf
  • Genesee
  • Devonian
  • Sherman
  • Paleozoic
  • Phanerozoic
    • Previous intervals
  • Middle Devonian
  • Givetian
  • Ilfracombe
  • Givetien
  • Couvinien
  • Givet
  • Srbsko
  • Taghanic
  • Tioughnioga
  • Cazenovia
  • Late/Upper Givetian
  • Middle Givetian
  • Early/Lower Givetian
    • Next interval
  • Middle Frasnian
    • Shares base with
  • Famennien, Frasnian, Late/Upper Devonian, Sonyea, West Falls
    • Appears in scales
  • Frasnian and Famennian Subages (2006)
  • Becker et al. Givetian, Frasnian, and Famennian Substages (2004)
  • Sandberg et al. Late Devonian Substages (2003)

    • Interval name: