Genus Hexasphaera
- Species total:
- 5
- Age range:
- 141 - 54.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hexasphaera asymmetrica | Early Cretaceous | Santonian |
|
| Hexasphaera sp | Late Cretaceous | Paleocene |
|
| Hexasphaera radiata | Late Albian | Late Albian |
|
| Hexasphaera | Late Albian | Late Albian |
|
| Hexasphaera complex | Maastrichtian | Maastrichtian |
|