Early Cambrian epoch - Middle Cambrian epoch
| International Chronostratigraphic Timescale | Cambrian Epochs | |||
|---|---|---|---|---|
| Cambrian | Furongian | Stage 10 | Late Cambrian | 485.4 |
| Jiangshanian | 489.5 | |||
| Paibian | 494 | |||
| Miaolingian | Guzhangian | Middle Cambrian | 497 | |
| Drumian | 500.5 | |||
| Wuliuan | 504.5 | |||
| Series 2 | Stage 4 | Early Cambrian | 509 | |
| Stage 3 | 514 | |||
| Terreneuvian | Stage 2 | 521 | ||
| Fortunian | 529 | |||
| 538.8 | ||||