Genus Hystrichosphaera
- Species total:
- 88
- Age range:
- 1600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaera perforata | Ypresian | Ypresian |
|
| Hystrichosphaera salpingophora | Late Turonian | Late Turonian |
|
| Hystrichosphaera oligacanthum | Danian | Danian |
|
| Hystrichosphaera scabrata | Pleistocene | Pleistocene |
|
| Hystrichosphaera buccina | Albian | Albian |
|
| Hystrichosphaera sp.A Harl.& Down.,1969 | Pleistocene | Pleistocene |
|
| Hystrichosphaera sp. Salu.et al,1969 | Early Eocene | Early Eocene |
|
| Hystrichosphaera sp.5 | Paleocene | Paleocene |
|
| Hystrichosphaera sp.K | Late Aptian | Late Aptian |
|
| Hystrichosphaera dasys | Turonian | Turonian |
|
| Hystrichosphaera minima | Jackson | Jackson |
|
| Hystrichosphaera biformis | Late Turonian | Late Turonian |
|
| Hystrichosphaera cristata | Maastrichtian | Maastrichtian |
|
| Hystrichosphaera sp. Dave.et al,1966 | Early Barremian | Early Barremian |
|
| Hystrichosphaera tripodes | Early Pleistocene | Early Pleistocene |
|
| Hystrichosphaera reginaldii | Mesozoic | Mesozoic |
|
| Hystrichosphaera monilis | Early Eocene | Early Eocene |
|