ammonites

Late/Upper Toarcian subage/stage

General information
Lower boundary: after 180.1 Ma (based on Crassicosta)
Upper boundary: equal to 175.6 Ma (based on Herangi)
Continent: global
See collections within this interval
See map of collections within this interval
Key correlations
Period: Jurassic
Epoch: Early/Lower Jurassic
Stage: Toarcian
10 million year bin: Jurassic 3
Contained within
  • Jurassic
  • Mesozoic
  • Sherman
  • Phanerozoic
    • Previous interval
  • Planulata
    • Next intervals
  • Middle Jurassic
  • Aalenian
  • Howelli
  • Scissum
  • Westermanni
  • Concavum
  • Murchisonae
  • Opalinum
  • Late/Upper Aalenian
  • Middle Aalenian
  • Early/Lower Aalenian
  • Kawhia
  • Temaikan
    • Shares top with
  • Bifrons, Early/Lower Jurassic, Herangi, Levesquei, Middle Toarcian, Toarcian, Ururoan, Variabilis
    • Overlaps with
  • Yakounensis (180.1 to 175.6 Ma)
  • Hillebrandti (180.1 to 175.6 Ma)
  • Crassicosta (180.1 to 175.6 Ma)
  • Thouarsense (180.1 to 175.6 Ma)
    • Appears in scales
  • Palfy Sinemurian - Toarcian Substages (2000)
  • Gradstein et al. 1995 Mesozoic Substages (1995)

    • Interval name: