Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium oligacanthum | Paleozoic | Paleozoic |
|
| Baltisphaeridium oligofurcatum | Late Ordovician | Emsian |
|
| Baltisphaeridium oligopsakium | Early Ordovician | Late Ordovician |
|
| Baltisphaeridium omnivagum | Early Arenigian | Middle Arenigian |
|
| Baltisphaeridium onniense | Early Llandeilian | Ashgillian |
|
| Baltisphaeridium operculatum | Llanvirnian | Llanvirnian |
|
| Baltisphaeridium orbiculare | Early Proterozoic | Early Carboniferous |
|
| Baltisphaeridium orbum | Caradocian | Ashgillian |
|
| Baltisphaeridium ordovicum | Paleozoic | Paleozoic |
|
| Baltisphaeridium ornatum | Vendian | Middle Cambrian |
|
| Baltisphaeridium osgoodense | Early Gothlandian | Early Gothlandian |
|
| Baltisphaeridium pachyacanthum | Early Ordovician | Silurian |
|
| Baltisphaeridium paleozoicum | Frasnian | Early Famennian |
|
| Baltisphaeridium palidodigitatum | Llandoverian | Eifelian |
|
| Baltisphaeridium pallidum | Early Cambrian | Early Cambrian |
|
| Baltisphaeridium palmatum | Late Cretaceous | Late Cretaceous |
|
| Baltisphaeridium palmitellum | Llandoverian | Wenlockian |
|