Genus Acanthosphaeridium
- Species total:
- 7
- Age range:
- 500 - 370 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Acanthosphaeridium aciculare | Early Ordovician | Early Ordovician |
|
Acanthosphaeridium corrugativum | Early Ordovician | Early Ordovician |
|
Acanthosphaeridium cuspidatum | Llandeilian | Llandeilian |
|
Acanthosphaeridium gdowia | Early Ordovician | Late Ordovician |
|
Acanthosphaeridium hirsutum | Arenigian | Arenigian |
|
Acanthosphaeridium pilosum | Arenigian | Arenigian |
|
Acanthosphaeridium sp | Ordovician | Early Devonian |
|