Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium polytrichum | Paleozoic | Early Cretaceous |
|
| Baltisphaeridium porrectum | Tremadocian | Tremadocian |
|
| Baltisphaeridium primarium | Late Precambrian | Cambrian |
|
| Baltisphaeridium principalis | Middle Ordovician | Middle Ordovician |
|
| Baltisphaeridium protensum | Late Cambrian | Arenigian |
|
| Baltisphaeridium pseudhystrichodinium | Rauracian | Early Eocene |
|
| Baltisphaeridium pseudocalicispinum | Ordovician | Early Llandoverian |
|
| Baltisphaeridium pseudofaveolatum | Early Cambrian | Middle Cambrian |
|
| Baltisphaeridium pseudohystrichodinium | Paleozoic | Santonian |
|
| Baltisphaeridium pseudopyleum | Late Ordovician | Ashgillian |
|
| Baltisphaeridium psilatum | Early Paleozoic | Silurian |
|
| Baltisphaeridium pumile | Late Cretaceous | Danian |
|
| Baltisphaeridium pungens | Middle Cambrian | Early Wenlockian |
|
| Baltisphaeridium pustulatum | Early Ordovician | Silurian |
|
| Baltisphaeridium quadriradiatum | Paleozoic | Paleozoic |
|
| Baltisphaeridium quaternarium | Flandrian | Flandrian |
|
| Baltisphaeridium qusaibaense | Telychian | Telychian |
|