Genus Echinosphaeridium
- Species total:
- 2
- Age range:
- 1600 - 570 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Echinosphaeridium | Early Vendian | Early Vendian |
|
| Echinosphaeridium maximum | Late Proterozoic | Dengying |
|
Genus Echinosphaeridium
- Species total:
- 2
- Age range:
- 1600 - 570 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Echinosphaeridium | Early Vendian | Early Vendian |
|
| Echinosphaeridium maximum | Late Proterozoic | Dengying |
|