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 |
|