ammonites
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Namurian age/stage

General information
Lower boundary: equal to 326.4 Ma (based on Serpukhovian)
Upper boundary: before 314.6 Ma (based on Melekesian)
Continent: Europe
See collections within this interval
See map of collections within this interval
Key correlations
Overlaps with
  • Pennsylvanian (318.1 to 298.9 Ma)
  • Westphalian (318.1 to 306.95 Ma)
  • Atokan (318.1 to 311.45 Ma)
  • Zapaltyubian (326.4 to 314.6 Ma)
  • Chesterian (339.4 to 318.1 Ma)
  • Mississippian (360.7 to 318.1 Ma)
  • Interval name: