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Niagaran epoch

General information
Lower boundary: equal to 443.7 Ma (based on Rhuddanian)
Upper boundary: equal to 422.9 Ma (based on Homerian)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Silurian
Overlaps with
  • Kopaninaschichten (425.4 to 418.7 Ma)
  • Hemse (425.4 to 418.7 Ma)
  • Appears in scale

    Interval name: