Genus Bacisphaeridium
- Species total:
- 6
- Age range:
- 4100 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Bacisphaeridium | Ordovician | Permian |
|
| Bacisphaeridium bacifer | Early Paleozoic | Silurian |
|
| Bacisphaeridium baciferum | Nd | Nd |
|
| Bacisphaeridium granulatum | Middle Ashgillian | Middle Ashgillian |
|
| Bacisphaeridium saetosum | Middle Ashgillian | Middle Ashgillian |
|
| Bacisphaeridium sp | Precambriam | Early Devonian |
|