Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium irregulare | Middle Ordovician | Early Ludlovian |
|
| Baltisphaeridium apiculatum | Early Ordovician | Early Ludlovian |
|
| Baltisphaeridium sp.1 Jard.& Yapa.,1968 | Llandoverian | Early Ludlovian |
|
| Baltisphaeridium massilum | Arenigian | Early Ludlovian |
|
| Baltisphaeridium bergstroemii | Late Llanvirnian | Early Ludlovian |
|
| Baltisphaeridium striatulum | Tremadocian | Early Ludlovian |
|
| Baltisphaeridium annelieae | Early Paleozoic | Siedlce |
|
| Baltisphaeridium plicatispinae | Ordovician | Siedlce |
|
| Baltisphaeridium hamatum | Early Ordovician | Silurian |
|
| Baltisphaeridium rugosum | Early Paleozoic | Silurian |
|
| Baltisphaeridium nanninum | Proterozoic | Silurian |
|
| Baltisphaeridium spinigerum | Ordovician | Silurian |
|
| Baltisphaeridium eisenackianum | Early Paleozoic | Silurian |
|
| Baltisphaeridium verrucatum | Early Ordovician | Silurian |
|
| Baltisphaeridium brevifilicum | Early Ordovician | Silurian |
|
| Baltisphaeridium densum | Early Ordovician | Ludlovian |
|
| Baltisphaeridium echinulatum | Ordovician | Silurian |
|