Branchian age
516.2 - 506.5 Ma
The definition of this interval in the timescale Cambrian of West Avalonia is taken from the following source:
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
The bottom age has been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.
There are intervals in 7 timescales which overlap this one. show
This interval is used in the definition of 35 collections
A total of 1555 collections with 10982 occurrences lie within this time span
| International Chronostratigraphic Timescale | Cambrian of West Avalonia | Cambrian of North America | ||||
|---|---|---|---|---|---|---|
| Cambrian | Furongian | Stage 10 | Franconian †/Dresbachian/Millardan | 486.85 | ||
| Sunwaptan | 488.9 * | |||||
| Jiangshanian | 491 | |||||
| Steptoean | 493.5 | |||||
| Paibian | 494.2 | |||||
| Arcadian | 495.9 * | |||||
| Miaolingian | Guzhangian | Marjumian | Albertian † | 497 | ||
| Drumian | 500.5 | |||||
| Wuliuan | Topazan | 504.5 | ||||
| Delamaran | 505.3 * | |||||
| Series 2 | Stage 4 | Branchian | Waucoban † | 506.5 | ||
| Dyeran | 509.7 * | |||||
| Stage 3 | 514.5 | |||||
| Montezuman | 515.3 | |||||
| Placentian | 516.2 * | |||||
| Begadean | 520 | |||||
| Terreneuvian | Stage 2 | 521 | ||||
| Fortunian | 529 | |||||
| 538.8 | ||||||