Genus Sphaeroidina
- Species total:
- 2
- Age range:
- 82 - 68.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaeroidina sp | Santonian | Campanian |
|
| Sphaeroidina variabilis | Middle Oligocene | Middle Oligocene |
|
Genus Sphaeroidina
- Species total:
- 2
- Age range:
- 82 - 68.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaeroidina sp | Santonian | Campanian |
|
| Sphaeroidina variabilis | Middle Oligocene | Middle Oligocene |
|