Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium geometricum | Ypresian | Ypresian |
|
| Baltisphaeridium sp.7 | Sparnacian | Sparnacian |
|
| Baltisphaeridium sp.10 | Sparnacian | Sparnacian |
|
| Baltisphaeridium severinii | Early Eocene | Oligocene |
|
| Baltisphaeridium sylhetii | Eocene | Eocene |
|
| Baltisphaeridium reticuloidum | Middle Eocene | Middle Eocene |
|
| Baltisphaeridium laxispinosum | Middle Eocene | Oligocene |
|
| Baltisphaeridium cooksoniae | Late Eocene | Late Eocene |
|
| Baltisphaeridium divergens | Early Oligocene | Early Oligocene |
|
| Baltisphaeridium polyceratum | Oligocene | Oligocene |
|
| Baltisphaeridium tinglewoodense | Middle Oligocene | Middle Miocene |
|
| Baltisphaeridium longofilum | Middle Oligocene | Middle Oligocene |
|
| Baltisphaeridium lobospinosum | Middle Oligocene | Middle Oligocene |
|
| Baltisphaeridium galea | Middle Oligocene | Middle Oligocene |
|
| Baltisphaeridium mespilanum | Middle Oligocene | Middle Miocene |
|
| Baltisphaeridium lingshuicum | Late Oligocene | Late Oligocene |
|
| Baltisphaeridium twistringiense | Late Oligocene | Middle Miocene |
|