Toyonian age

512.5 - 510 Ma

The definition of this interval in the timescale Cambrian of Siberia is taken from the following source:

  • F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

The top and bottom ages 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.

There are intervals in 7 timescales which overlap this one. show

This interval is used in the definition of 84 collections

A total of 186 collections with 985 occurrences lie within this time span

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International Chronostratigraphic TimescaleCambrian of SiberiaCambrian Epochs
CambrianFurongianStage 10BatyrbaianTavgian †Ketyan †/YurakianLate Cambrian485.4
Aksaian490.7 *
Sakian492.2 *
Ensyan †/Maduan/Nganasanian494.7 *
MiaolingianGuzhangianAyusokkanianMiddle Cambrian497
Series 2Stage 4Early Cambrian509
ToyonianLenian †510 *
Botomian512.5 *
Stage 3514
Atdabanian515.6 *
TerreneuvianStage 2Tommotian521
FortunianManykaian †529