Stratigraphic time
| This age is part of | |
|---|---|
| Phanerozoic | 541 - recent |
| Paleozoic | 541 - 251.902 |
| Silurian | 443.8 - 419.2 |
| This age is subdivided to | |
|---|---|
| Homerian | 430.5 - 427.4 |
| Sheinwoodian | 433.4 - 430.5 |
| Number of records | |
|---|---|
| Taxa | 663 |
| This age is part of | |
|---|---|
| Phanerozoic | 541 - recent |
| Paleozoic | 541 - 251.902 |
| Silurian | 443.8 - 419.2 |
| This age is subdivided to | |
|---|---|
| Homerian | 430.5 - 427.4 |
| Sheinwoodian | 433.4 - 430.5 |
| Number of records | |
|---|---|
| Taxa | 663 |