Cambrian of West Avalonia

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

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

There are 9 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 53 collections

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International Chronostratigraphic TimescaleCambrian of West AvaloniaCambrian of AustraliaCambrian Epochs
CambrianFurongianStage 10DatsonianLate Cambrian485.4
Payntonian486.8 *
JiangshanianIverian489.5
PaibianIdamean494
MiaolingianGuzhangianMindyallanMiddle Cambrian497
Arcadian498.4
Boomerangian499
DrumianUndillan500.5
Floran503
WuliuanTempletonian504.5
Ordian507.8 *
Series 2Stage 4BranchianEarly Cambrian509
510.8 *
Stage 3514
Placentian517.1
TerreneuvianStage 2521
Fortunian529
538.8