Genus Grypania
- Species total:
- 3
- Age range:
- 2600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Grypania | Proterozoic | Proterozoic |
|
| Grypania sp | Proterozoic | Proterozoic |
|
| Grypania spiralis | Proterozoic | Proterozoic |
|