Genus Hystrichosphaeridium
- Species total:
- 513
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaeridium sp. Deb,1970 | Tertiary | Tertiary |
|
| Hystrichosphaeridium collum | Albian | Albian |
|
| Hystrichosphaeridium coniferum | Wenlockian | Wenlockian |
|
| Hystrichosphaeridium sectum | Llandeilian | Llandeilian |
|
| Hystrichosphaeridium type 3 | Tortonian | Tortonian |
|
| Hystrichosphaeridium vitile | Early Ordovician | Early Ordovician |
|
| Hystrichosphaeridium triradicosum | Albian | Albian |
|
| Hystrichosphaeridium claviferum | Late Cretaceous | Late Cretaceous |
|
| Hystrichosphaeridium retis | Late Devonian | Late Devonian |
|
| Hystrichosphaeridium araneosum | Nd | Nd |
|
| Hystrichosphaeridium mespilanum | Nd | Nd |
|
| Hystrichosphaeridium tshunense | Middle Ordovician | Middle Ordovician |
|
| Hystrichosphaeridium paucifurcatum | Early Tertiary | Early Tertiary |
|
| Hystrichosphaeridium israelianum | Pleistocene | Pleistocene |
|
| Hystrichosphaeridium semanticum | Silurian | Silurian |
|
| Hystrichosphaeridium perceptibile | Jurassic | Jurassic |
|
| Hystrichosphaeridium protellipticum | Albian | Albian |
|