Genus Turnhosphaera
- Species total:
- 4
- Age range:
- 76 - 61.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Turnhosphaera | Campanian | Early Maastrichtian |
|
| Turnhosphaera granulata | Late Campanian | Early Maastrichtian |
|
| Turnhosphaera hyalina | Campanian | Early Maastrichtian |
|
| Turnhosphaera hypoflata | Campanian | Danian |
|