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 |
|