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Leonard age/stage

General information
Lower boundary: after 290.1 Ma (based on Burtsevian)
Upper boundary: before 268 Ma (based on Roadian)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Permian
Overlaps with
  • Guadalupian (272.5 to 259.0 Ma)
  • Amb (272.5 to 265.0 Ma)
  • Kuhfengian (272.5 to 265.0 Ma)
  • Barettian (273.0 to 265.0 Ma)
  • Longlinian (295.0 to 279.5 Ma)
  • Cisuralian (298.9 to 272.5 Ma)
  • Interval name: