Genus Hystrichosphaera
- Species total:
- 88
- Age range:
- 1600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaera sp.2 Zait.,1967 | Maastrichtian | Late Maastrichtian |
|
| Hystrichosphaera sp.3 | Pannonian | Pannonian |
|
| Hystrichosphaera sp.4 | Pannonian | Pannonian |
|
| Hystrichosphaera sp.5 | Paleocene | Paleocene |
|
| Hystrichosphaera sp.A | Albian | Early Turonian |
|
| Hystrichosphaera sp.A Drug.,1967 | Danian | Danian |
|
| Hystrichosphaera sp.A Harl.& Down.,1969 | Pleistocene | Pleistocene |
|
| Hystrichosphaera sp.B Drug.,1967 | Danian | Danian |
|
| Hystrichosphaera sp.K | Late Aptian | Late Aptian |
|
| Hystrichosphaera speciosa | Early Cretaceous | Miocene |
|
| Hystrichosphaera spinimarginata | Late Berriasian | Valanginian |
|
| Hystrichosphaera supparus | Maastrichtian | Danian |
|
| Hystrichosphaera tenuicapillata | Cretaceous | Danian |
|
| Hystrichosphaera tertiaria | Early Santonian | Nd |
|
| Hystrichosphaera tripodes | Early Pleistocene | Early Pleistocene |
|
| Hystrichosphaera tubifera | Turonian | Early Miocene |
|
| Hystrichosphaera turbilineata | Nd | Nd |
|