Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaeridium sp.E Salu.et al,1969 | Early Eocene | Early Eocene |
|
| Hystrichosphaeridium sp.1 Math.,1964 | Eocene | Eocene |
|
| Hystrichosphaeridium asperum | Eocene | Eocene |
|
| Hystrichosphaeridium hibbardii | Early Clintonian | Early Clintonian |
|
| Hystrichosphaeridium sp. Sun,1994 | Eocene | Eocene |
|
| Hystrichosphaeridium entomium | Albian | Albian |
|
| Hystrichosphaeridium sp.13 | Miocene | Miocene |
|
| Hystrichosphaeridium exoticum | Famennian | Famennian |
|
| Hystrichosphaeridium maximum | Early Ordovician | Early Ordovician |
|
| Hystrichosphaeridium sp.A Salu.et al,1969 | Early Eocene | Early Eocene |
|
| Hystrichosphaeridium lacunosum | Jurassic | Jurassic |
|
| Hystrichosphaeridium pateum | Middle Cambrian | Middle Cambrian |
|
| Hystrichosphaeridium sp.A Volk.& Quat.,1981 | Callovian | Callovian |
|
| Hystrichosphaeridium rhopalophorum | Cretaceous | Cretaceous |
|
| Hystrichosphaeridium globosum | Nd | Nd |
|
| Hystrichosphaeridium plicatum | Middle Oligocene | Middle Oligocene |
|
| Hystrichosphaeridium xipheum | Oligocene | Oligocene |
|