 |
TIMELINE | Cambrian |
 |
 |
 |
| Period | Timespan | |
| Cambrian | ||
| 542,000,000 to 488,300,000 years ago | ||
|
|
TIMELINE | Cambrian |
|
|
|
|
| Period | Timespan | |
| Cambrian | ||
| 542,000,000 to 488,300,000 years ago | ||