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Tommotian
1690
Type
Age
Age range
538.8–521
Ma
International Timescale
Series 2
Stage 3
Terreneuvian
Stage 2
Fortunian
Siberian Regional
Atdabanian
Tommotian
Nemakit-Daldynian
Vendian
Russian Stages
Atdabanian
Tommotian
539
538
537
536
535
534
533
532
531
530
529
528
527
526
525
524
523
522
521
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