Genus Polysphaeritae
- Species total:
- 1
- Age range:
- 4100 - 540 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polysphaeritae | Precambriam | Early Cambrian |
|
Genus Polysphaeritae
- Species total:
- 1
- Age range:
- 4100 - 540 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polysphaeritae | Precambriam | Early Cambrian |
|