Genus Hystrichosphaera
- Species total:
- 88
- Age range:
- 1600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaera cristata | Maastrichtian | Maastrichtian |
|
| Hystrichosphaera cruciata | Late Cretaceous | Danian |
|
| Hystrichosphaera dasys | Turonian | Turonian |
|
| Hystrichosphaera dentata | Hauterivian | Middle Barremian |
|
| Hystrichosphaera duplifurcata | Late Berriasian | Valanginian |
|
| Hystrichosphaera furcata | Middle Dogger | Recent |
|
| Hystrichosphaera granomembranacea | Jackson | Jackson |
|
| Hystrichosphaera granulata | Campanian | Danian |
|
| Hystrichosphaera hamatae | Late Senonian | Danian |
|
| Hystrichosphaera heterostyla | Danian | Danian |
|
| Hystrichosphaera hirsuta | Senonian | Danian |
|
| Hystrichosphaera hyperacantha | Early Cretaceous | Late Miocene |
|
| Hystrichosphaera incerta | Early Tertiary | Early Tertiary |
|
| Hystrichosphaera inconspicua | Arenigian | Arenigian |
|
| Hystrichosphaera intermedia | Cretaceous | Danian |
|
| Hystrichosphaera leptoderma | Oligocene | Middle Miocene |
|
| Hystrichosphaera longispinosa | Ordovician | Danian |
|