Genus Acanthosphaera
- Species total:
- 2
- Age range:
- 1746.67 - 540 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Acanthosphaera | Early Cambrian | Early Cambrian |
|
| Acanthosphaera cambriensis | Late Precambrian | Early Cambrian |
|