Genus Strablosphaeridium
- Species total:
- 3
- Age range:
- 500 - 444.94 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Strablosphaeridium | Ordovician | Ordovician |
|
| Strablosphaeridium biparietale | Late Llanvirnian | Late Llanvirnian |
|
| Strablosphaeridium biparietalis | Early Llanvirnian | Rakvere |
|