Genus Zonosphaeridium
- Species total:
- 54
- Age range:
- 4100 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Zonosphaeridium timopheevii | Middle Ordovician | Middle Ordovician |
|
| Zonosphaeridium tuberculatum | Arenigian | Arenigian |
|
| Zonosphaeridium verrucatum | Arenigian | Arenigian |
|