Genus Sphaerostoma
- Species total:
- 1
- Age range:
- 345 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerostoma ovale | Early Carboniferous | Early Carboniferous |
|
Genus Sphaerostoma
- Species total:
- 1
- Age range:
- 345 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerostoma ovale | Early Carboniferous | Early Carboniferous |
|