| Period/Epoch |
AGE (Millions of years ago) |
Relative Time |
Extant Divisions that Evolved |
| Silurian/ |
439-409 |
Middle |
Psilophyta |
| Late |
Lycophyta |
||
| Devonian/ |
409-363 |
Middle |
Pterophyta |
| Middle |
Bryophyta |
||
| Late |
Sphenophyta |
||
| Carboniferous/Mississippian |
363-325 |
Early |
Coniferophyta |
| Carboniferous/Pennsylvanian |
325-290 |
Cycadophyta |
|
| Triassic/ |
245-208 |
Middle |
Gnetophyta |
| Jurassic/ |
208-145 |
Early |
Ginkgophyta |
| Cretaceous/ |
145-65 |
Middle |
Anthophyta |
| Late |
Antherocephyta |