Genus Thyalnum
- Species total:
- 3
- Age range:
- 1746.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Thyalnum minor | Late Precambrian | Late Precambrian |
|
| Thyalnum rugosum | Late Precambrian | Late Precambrian |
|
| Thyalnum simplex | Late Precambrian | Late Precambrian |
|