Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaeridium deanei | Albian | Eocene |
|
| Hystrichosphaeridium colligerum | Albian | Eocene |
|
| Hystrichosphaeridium replexum | Albian | Albian |
|
| Hystrichosphaeridium sp.3 McIn.,1974 | Albian | Maastrichtian |
|
| Hystrichosphaeridium reniforme | Albian | Albian |
|
| Hystrichosphaeridium aruncium | Albian | Albian |
|
| Hystrichosphaeridium sp.A Buja.& Will.,1978 | Albian | Cenomanian |
|
| Hystrichosphaeridium fabium | Albian | Albian |
|
| Hystrichosphaeridium radiculatum | Albian | Middle Eocene |
|
| Hystrichosphaeridium tubifera | Albian | Maestrichtian |
|
| Hystrichosphaeridium perovatum | Albian | Albian |
|
| Hystrichosphaeridium erectum | Albian | Paleocene |
|
| Hystrichosphaeridium sp.D | Albian | Middle Eocene |
|
| Hystrichosphaeridium type 411 | Late Albian | Early Cenomanian |
|
| Hystrichosphaeridium type 459 | Late Albian | Early Cenomanian |
|
| Hystrichosphaeridium alagoense | Late Albian | Miocene |
|
| Hystrichosphaeridium saxoniensis | Cenomanian | Turonian |
|