Guzhangian age
500.5 - 497 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 8 timescales which overlap this one. show
This interval is used in the definition of 378 collections
A total of 437 collections with 2942 occurrences lie within this time span
| International Chronostratigraphic Timescale | Cambrian of North America | ||||
|---|---|---|---|---|---|
| Cambrian | Furongian | Stage 10 | Franconian †/Dresbachian/Millardan | 485.4 | |
| Sunwaptan | 487.5 | ||||
| Jiangshanian | 489.5 | ||||
| Steptoean | 493 * | ||||
| Paibian | 494 | ||||
| Miaolingian | Guzhangian | Marjumian | Albertian † | 497 | |
| Drumian | 500.5 | ||||
| Wuliuan | Topazan | 504.5 | |||
| Delamaran | 506.5 | ||||
| Series 2 | Stage 4 | Waucoban † | 509 | ||
| Dyeran | 511 * | ||||
| Stage 3 | 514 | ||||
| Montezuman | 514.8 * | ||||
| Begadean | 519.9 * | ||||
| Terreneuvian | Stage 2 | 521 | |||
| Fortunian | 529 | ||||
| 538.8 | |||||