Stratigraphic time
| This age is part of | |
|---|---|
| Phanerozoic | 542 - recent |
| Paleozoic | 542 - 251 |
| This age is subdivided to | |
|---|---|
| Upper Devonian | 385.3 - 359.2 |
| Middle Devonian | 397.5 - 385.3 |
| Lower Devonian | 416 - 397.5 |
| Number of records | |
|---|---|
| Taxa | 108 |
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