Genus Bion
- Species total:
- 15
- Age range:
- 4100 - 395 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Bion microcystis | Precambriam | Precambriam |
|
| Bion | Late Precambrian | Early Cambrian |
|
| Bion cruciferum | Early Riphean | Silurian |
|
| Bion solidum | Early Paleozoic | Early Paleozoic |
|
| Bion bacifer | Ordovician | Ordovician |
|
| Bion ramosum | Middle Ordovician | Late Ordovician |
|
| Bion media | Llandeilian | Llandeilian |
|
| Bion fluctuans | Silurian | Silurian |
|
| Bion perforata | Early Llandoverian | Early Llandoverian |
|
| Bion navis | Silurian | Silurian |
|
| Bion megacystis | Silurian | Silurian |
|
| Bion sp | Ludlovian | Ludlovian |
|
| Bion perivelatum | Pridolian | Pridolian |
|
| Bion pelagicum | Early Oligocene | Early Oligocene |
|
| Bion baciferum | Nd | Nd |
|