 |
TIMELINE | Paleozoic Era |
 |
 |
 |
| Period | Subdivision | Timespan |
| Paleozoic Era | Permian | 299,000,000 to 251,000,000 years ago |
| Carboniferous | 359,200,000 to 299,000,000 years ago | |
| Devonian | 416,000,000 to 359,200,000 years ago | |
| Silurian | 443,700,000 to 416,000,000 years ago | |
| Ordovician | 488,300,000 to 443,700,000 years ago | |
| Cambrian | 542,000,000 to 488,300,000 years ago |