Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaeridium sp.5 Stre.et al,1977 | Middle Maastrichtian | Danian |
|
| Hystrichosphaeridium sp.4 Stre.et al,1977 | Middle Maastrichtian | Danian |
|
| Hystrichosphaeridium aracajuense | Paleocene | Early Eocene |
|
| Hystrichosphaeridium sp.3 Venk.& Rawa.,1972 | Paleocene | Eocene |
|
| Hystrichosphaeridium caiobense | Paleocene | Paleocene |
|
| Hystrichosphaeridium scaffoldii | Tertiary | Oligocene |
|
| Hystrichosphaeridium grande | Paleocene | Eocene |
|
| Hystrichosphaeridium sp.4 Venk.& Rawa.,1972 | Paleocene | Eocene |
|
| Hystrichosphaeridium divergens | Tertiary | Early Oligocene |
|
| Hystrichosphaeridium gliwicense | Paleogene | Neogene |
|
| Hystrichosphaeridium seminudum | Danian | Danian |
|
| Hystrichosphaeridium danicum | Danian | Danian |
|
| Hystrichosphaeridium perifurcatum | Paleocene | Eocene |
|
| Hystrichosphaeridium sp. Deb,1970 | Tertiary | Tertiary |
|
| Hystrichosphaeridium paucifurcatum | Early Tertiary | Early Tertiary |
|
| Hystrichosphaeridium sylhetii | Tertiary | Tertiary |
|
| Hystrichosphaeridium sp.2 Venk.& Rawa.,1972 | Paleocene | Eocene |
|