ammonites
banner
Gateway to the Paleobiology Database

Amb age/stage

General information
Lower boundary: equal to 272.5 Ma (based on Roadian)
Upper boundary: equal to 265 Ma (based on Wordian)
Continent: Asia
See collections within this interval
See map of collections within this interval
Key correlations
Period: Permian
Epoch: Guadalupian
10 million year bin: Permian 3
Equivalent to
Overlaps with
  • Tatarian (268.0 to 252.3 Ma)
  • Leonard (290.1 to 268.0 Ma)
  • Wolfcamp (296.4 to 268.0 Ma)
  • Interval name: