Genus Archaeohystrichosphaeridium
- Species total:
- 126
- Age range:
- 4100 - 141 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Archaeohystrichosphaeridium aculeatum | Late Permian | Late Permian |
|
| Archaeohystrichosphaeridium aciculatum | Early Cambrian | Early Cambrian |
|
| Archaeohystrichosphaeridium acerosum | Late Precambrian | Cambrian |
|
| Archaeohystrichosphaeridium acer | Early Cambrian | Early Cambrian |
|
| Archaeohystrichosphaeridium accomodatum | Middle Cambrian | Middle Cambrian |
|
| Archaeohystrichosphaeridium acanthaceum | Early Cambrian | Gedinnian |
|
| Archaeohystrichosphaeridium | Precambriam | Paleozoic |
|