Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaeridium sp.27 | Hauterivian | Hauterivian |
|
| Hystrichosphaeridium sp.27a | Valanginian | Hauterivian |
|
| Hystrichosphaeridium sp.3 | Precambriam | Recent |
|
| Hystrichosphaeridium sp.3 HNH | Late Campanian | Late Campanian |
|
| Hystrichosphaeridium sp.3 Math.,1964 | Eocene | Eocene |
|
| Hystrichosphaeridium sp.3 McIn.,1974 | Albian | Maastrichtian |
|
| Hystrichosphaeridium sp.3 Stre.et al,1977 | Late Campanian | Early Maastrichtian |
|
| Hystrichosphaeridium sp.3 Venk.& Rawa.,1972 | Paleocene | Eocene |
|
| Hystrichosphaeridium sp.38 | Pannonian | Pannonian |
|
| Hystrichosphaeridium sp.4 | Precambriam | Recent |
|
| Hystrichosphaeridium sp.4 Math.,1964 | Eocene | Eocene |
|
| Hystrichosphaeridium sp.4 Stre.et al,1977 | Middle Maastrichtian | Danian |
|
| Hystrichosphaeridium sp.4 Venk.& Rawa.,1972 | Paleocene | Eocene |
|
| Hystrichosphaeridium sp.5 | Precambriam | Recent |
|
| Hystrichosphaeridium sp.5 Stre.et al,1977 | Middle Maastrichtian | Danian |
|
| Hystrichosphaeridium sp.6 | Precambriam | Recent |
|
| Hystrichosphaeridium sp.7 | Precambriam | Recent |
|