Genus Spheroidal
- Species total:
- 3
- Age range:
- 1300 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Spheroidal type A | Jixian | Jixian |
|
| Spheroidal type B | Jixian | Jixian |
|
| Spheroidal unicells | Vendian | Vendian |
|