Stratigraphic time
| This age is part of | |
|---|---|
| Phanerozoic | 541 - recent |
| Paleozoic | 541 - 251.902 |
| Cambrian | 541 - 485.4 |
| This age is subdivided to | |
|---|---|
| Guzhangian | 500.5 - 497 |
| Drumian | 504.5 - 500.5 |
| Wuliuan | 509 - 504.5 |
| Number of records | |
|---|---|
| Taxa | 646 |
| This age is part of | |
|---|---|
| Phanerozoic | 541 - recent |
| Paleozoic | 541 - 251.902 |
| Cambrian | 541 - 485.4 |
| This age is subdivided to | |
|---|---|
| Guzhangian | 500.5 - 497 |
| Drumian | 504.5 - 500.5 |
| Wuliuan | 509 - 504.5 |
| Number of records | |
|---|---|
| Taxa | 646 |