Genus Agerasphaera
- Species total:
- 3
- Age range:
- 65 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Agerasphaera | Danian | Danian |
|
| Agerasphaera circumtabulata | Danian | Eocene |
|
| Agerasphaera margarita | Thanetian | Thanetian |
|