 |
TIMELINE | Calymmian |
 |
 |
 |
| Period | Timespan | |
| Calymmian | 1,600,000,000 to 1,400,000,000 years ago | |
|
|
TIMELINE | Calymmian |
|
|
|
|
| Period | Timespan | |
| Calymmian | 1,600,000,000 to 1,400,000,000 years ago | |