Genus Hystrichosphaera
- Species total:
- 88
- Age range:
- 1600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaera verrucosa | Late Tithonian | Hauterivian |
|
| Hystrichosphaera wetzelii | Early Cretaceous | Maastrichtian |
|
| Hystrichosphaera xanthiopyxides | Senonian | Danian |
|