Cambrian Epochs

The interval definitions in this timescale are derived from the following sources:

  • F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
  • F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

There are 12 timescales which overlap this one. show

Interval boundaries marked with * have been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.

This timescale is used in the definition of 594 collections

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International Chronostratigraphic TimescaleCambrian EpochsCambrian of West AvaloniaCambrian of Australia
CambrianFurongianStage 10Late CambrianDatsonian485.4
Payntonian486.8 *
JiangshanianIverian489.5
PaibianIdamean494
MiaolingianGuzhangianMiddle CambrianMindyallan497
Arcadian498.4
Boomerangian499
DrumianUndillan500.5
Floran503
WuliuanTempletonian504.5
Ordian507.8 *
Series 2Stage 4Early CambrianBranchian509
510.8 *
Stage 3514
Placentian517.1
TerreneuvianStage 2521
Fortunian529
538.8