Genus Filisphaeridium
- Species total:
- 106
- Age range:
- 2600 - 1.8 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Filisphaeridium watrousense | Jurassic | Jurassic |
|
| Filisphaeridium williereae | Ordovician | Early Gedinnian |
|
| Filisphaeridium zagoraense | Tremadocian | Tremadocian |
|
| Filisphaeridium zhuravlevae | Middle Cambrian | Middle Cambrian |
|