Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium atavum | Early Cambrian | Early Cambrian |
|
| Baltisphaeridium axiale | Ordovician | Ordovician |
|
| Baltisphaeridium bacifer | Ordovician | Ordovician |
|
| Baltisphaeridium baciferum | Nd | Nd |
|
| Baltisphaeridium balticum | Early Ordovician | Early Ordovician |
|
| Baltisphaeridium barbarum | Early Tremadocian | Arenigian |
|
| Baltisphaeridium basiconstrictum | Early Famennian | Early Famennian |
|
| Baltisphaeridium belmonte | Wenlockian | Early Gedinnian |
|
| Baltisphaeridium bergstroemii | Late Llanvirnian | Early Ludlovian |
|
| Baltisphaeridium bicuspidatum | Middle Cambrian | Middle Cambrian |
|
| Baltisphaeridium bifidum | Late Albian | Maastrichtian |
|
| Baltisphaeridium biformoides | Mesozoic | Cenozoic |
|
| Baltisphaeridium bifurcatum | Cambrian | Late Cambrian |
|
| Baltisphaeridium bimarginatum | Early Ordovician | Caradocian |
|
| Baltisphaeridium birminghamense | Llandoverian | Early Gedinnian |
|
| Baltisphaeridium bohemicum | Algonkian | Algonkian |
|
| Baltisphaeridium bonitum | Ludlovian | Early Gedinnian |
|