Genus Sphaerodinella
- Species total:
- 4
- Age range:
- 68.5 - 40.25 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerodinella | Nd | Nd |
|
| Sphaerodinella albatrosiana | Maastrichtian | Middle Eocene |
|
| Sphaerodinella arctica | Serravallian | Serravallian |
|
| Sphaerodinella tuberosa | Late Maastrichtian | Middle Eocene |
|