Genus Hystrichosphaera
- Species total:
- 88
- Age range:
- 1600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaera tubifera | Turonian | Early Miocene |
|
| Hystrichosphaera cornuta | Llandeilian | Middle Miocene |
|
| Hystrichosphaera ovum | Cretaceous | Middle Miocene |
|
| Hystrichosphaera leptoderma | Oligocene | Middle Miocene |
|
| Hystrichosphaera bulloidea | Haumurian | Miocene |
|
| Hystrichosphaera hyperacantha | Early Cretaceous | Late Miocene |
|
| Hystrichosphaera crassipellis | Cretaceous | Miocene |
|
| Hystrichosphaera speciosa | Early Cretaceous | Miocene |
|
| Hystrichosphaera sp. Mart.& Rous.,1966 | Late Miocene | Early Pliocene |
|
| Hystrichosphaera sp | Late Proterozoic | Pleistocene |
|
| Hystrichosphaera cingulata | Cretaceous | Recent |
|
| Hystrichosphaera mirabilis | Early Oligocene | Recent |
|
| Hystrichosphaera nodosa | Pleistocene | Holocene |
|
| Hystrichosphaera furcata | Middle Dogger | Recent |
|
| Hystrichosphaera membranacea | Campanian | Recent |
|
| Hystrichosphaera penicillata | Late Oxfordian | Nd |
|
| Hystrichosphaera ramosa | Mesozoic | Holocene |
|