Genus Ethmosphaeridium
- Species total:
- 5
- Age range:
- 4100 - 435 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ethmosphaeridium | Proterozoic | Early Paleozoic |
|
| Ethmosphaeridium eniseicum | Riphean | Riphean |
|
| Ethmosphaeridium sp | Precambriam | Early Cambrian |
|
| Ethmosphaeridium tungusum | Early Riphean | Middle Riphean |
|
| Ethmosphaeridium vittaforme | Riphean | Vendian |
|