Botomian age - Toyonian age
| International Chronostratigraphic Timescale | Cambrian of Siberia | |||||
|---|---|---|---|---|---|---|
| Cambrian | Furongian | Stage 10 | Batyrbaian | Tavgian † | Ketyan †/Yurakian | 485.4 |
| Jiangshanian | 489.5 | |||||
| Aksaian | 490.7 * | |||||
| Sakian | 492.2 * | |||||
| Paibian | 494 | |||||
| Ensyan †/Maduan/Nganasanian | 494.7 * | |||||
| Miaolingian | Guzhangian | Ayusokkanian | 497 | |||
| Mayan/Menevian | 499.5 | |||||
| Drumian | 500.5 | |||||
| Wuliuan | Amgan/Solvan | 504.5 | ||||
| Series 2 | Stage 4 | 509 | ||||
| Toyonian | Lenian † | 510 * | ||||
| Botomian | 512.5 * | |||||
| Stage 3 | 514 | |||||
| Atdabanian | 515.6 * | |||||
| Terreneuvian | Stage 2 | Tommotian | 521 | |||
| Nemakit-Daldynian | 525.5 | |||||
| Fortunian | Manykaian † | 529 | ||||
| 538.8 | ||||||