Genus Filament
- Species total:
- 7
- Age range:
- 4100 - 360 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Filament type B | Late Algonkian | Late Algonkian |
|
| Filament type A | Late Algonkian | Late Algonkian |
|
| Filament type 1 | Early Eifelian | Givetian |
|
| Filament type | Algonkian | Algonkian |
|
| Filament sp | Early Archean | Late Riphean |
|
| Filament cellular sp. | Vendian | Vendian |
|
| Filament | Middle Precambrian | Early Cambrian |
|