Genus Fissilisphaeridium
- Species total:
- 2
- Age range:
- 425 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Fissilisphaeridium | Middle Telychian | Middle Telychian |
|
| Fissilisphaeridium dischides | Middle Telychian | Middle Telychian |
|