Genus Archaeohystrichosphaeridium
- Species total:
- 126
- Age range:
- 4100 - 141 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Archaeohystrichosphaeridium sp.A | Tremadocian | Early Arenigian |
|
| Archaeohystrichosphaeridium eisenacki | Early Ordovician | Early Ordovician |
|
| Archaeohystrichosphaeridium setigerfurcatum | Early Ordovician | Early Llandeilian |
|
| Archaeohystrichosphaeridium contortuplicatum | Early Ordovician | Early Ordovician |
|
| Archaeohystrichosphaeridium gracilis | Early Devonian | Early Devonian |
|
| Archaeohystrichosphaeridium deflandrei | Emsian | Strunian |
|
| Archaeohystrichosphaeridium aculeatum | Late Permian | Late Permian |
|