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 |
|