Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaeridium redonense | Holocene | Holocene |
|
| Hystrichosphaeridium tribrachiosum | Albian | Albian |
|
| Hystrichosphaeridium flosculus | Cretaceous | Cretaceous |
|
| Hystrichosphaeridium hexaster | Late Devonian | Late Devonian |
|
| Hystrichosphaeridium sp.AE | Early Cretaceous | Early Cretaceous |
|
| Hystrichosphaeridium conspicuum | Late Cambrian | Late Cambrian |
|
| Hystrichosphaeridium sp. Goch.,1952 | Nd | Nd |
|
| Hystrichosphaeridium magnarmatum | Albian | Albian |
|
| Hystrichosphaeridium microsaetosum | Late Devonian | Late Devonian |
|
| Hystrichosphaeridium aculeatum | Ordovician | Ordovician |
|
| Hystrichosphaeridium reticulatum | Llandeilian | Llandeilian |
|
| Hystrichosphaeridium sp.2 McIn.,1974 | Albian | Albian |
|
| Hystrichosphaeridium bohemicum | Silurian | Silurian |
|
| Hystrichosphaeridium sergipense | Early Eocene | Early Eocene |
|
| Hystrichosphaeridium sp.3 Math.,1964 | Eocene | Eocene |
|
| Hystrichosphaeridium layeri | Late Devonian | Late Devonian |
|
| Hystrichosphaeridium transculentum | Late Cretaceous | Late Cretaceous |
|