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International chronostratigraphic chart: Cambrian

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ArneWi
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Last updated: December 18, 2025
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First submittedDecember 17, 2025
Times taken1
Average score7.1%
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System / Period
Series / Epoch
Stage / Age
Numerical age (Ma)
Cambrian
Terrenuevian
Fortunian
538.8 ± 0.6
Stage 2
529
Series 2
Stage 3
521
Stage 4
514.5
Miaolingian
Wuliuan
506.5
Drumian
504.5
Guzhangian
500.5
Furongian
Paibian
497
Jiangshanian
494.2
Stage 10
491
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