Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium selviellae | Llandoverian | Early Gedinnian |
|
| Baltisphaeridium semibulbosum | Middle Ordovician | Llandeilian |
|
| Baltisphaeridium semiclausum | Tremadocian | Tremadocian |
|
| Baltisphaeridium seminudum | Mesozoic | Cenozoic |
|
| Baltisphaeridium septangulatum | Tremadocian | Arenigian |
|
| Baltisphaeridium septatum | Danian | Middle Paleocene |
|
| Baltisphaeridium sericum | Early Devonian | Early Devonian |
|
| Baltisphaeridium serratum | Late Cambrian | Late Cambrian |
|
| Baltisphaeridium setaceum | Late Cambrian | Tremadocian |
|
| Baltisphaeridium setigerfurcatum | Paleozoic | Paleozoic |
|
| Baltisphaeridium setigerum | Early Ordovician | Middle Ordovician |
|
| Baltisphaeridium severinii | Early Eocene | Oligocene |
|
| Baltisphaeridium sexradiatum | Paleozoic | Paleozoic |
|
| Baltisphaeridium sheshegovae | Late Llandoverian | Late Llandoverian |
|
| Baltisphaeridium shinetonensis | Early Gothlandian | Early Gothlandian |
|
| Baltisphaeridium simplex | Early Cambrian | Famennian |
|
| Baltisphaeridium snigirevskae | Llanvirnian | Early Gothlandian |
|