Genus Craterisphaeridium
- Species total:
- 5
- Age range:
- 360 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Craterisphaeridium | Early Frasnian | Early Frasnian |
|
| Craterisphaeridium inuncans | Early Frasnian | Early Frasnian |
|
| Craterisphaeridium sp.A | Famennian | Famennian |
|
| Craterisphaeridium sprucegrovense | Frasnian | Frasnian |
|
| Craterisphaeridium unicans | Early Frasnian | Early Frasnian |
|