Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium robustum | Paleozoic | Early Famennian |
|
| Baltisphaeridium rochesterense | Llandoverian | Early Gedinnian |
|
| Baltisphaeridium rojense | Early Gothlandian | Givetian |
|
| Baltisphaeridium rugosum | Early Paleozoic | Silurian |
|
| Baltisphaeridium sannemannii | Devonian | Devonian |
|
| Baltisphaeridium sanpetrense | Ashgillian | Devonian |
|
| Baltisphaeridium sarjeantii | Late Tithonian | Valanginian |
|
| Baltisphaeridium sartbernardense | Ordovician | Early Gothlandian |
|
| Baltisphaeridium saturnium | Mesozoic | Cenozoic |
|
| Baltisphaeridium scaber | Late Cambrian | Late Cambrian |
|
| Baltisphaeridium scabridium | Tremadocian | Tremadocian |
|
| Baltisphaeridium scabrosum | Llandoverian | Llandoverian |
|
| Baltisphaeridium scalenofurcatum | Miocene | Miocene |
|
| Baltisphaeridium scariosum | Arenigian | Arenigian |
|
| Baltisphaeridium scitulum | Precambriam | Early Ordovician |
|
| Baltisphaeridium scuriosum | Arenigian | Arenigian |
|
| Baltisphaeridium sedecimspinosum | Late Gothlandian | Late Gothlandian |
|