Genus Gracilisphaeridium
- Species total:
- 3
- Age range:
- 570 - 414 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Gracilisphaeridium | Late Llandoverian | Early Wenlockian |
|
| Gracilisphaeridium encantador | Early Paleozoic | Wenlockian |
|
| Gracilisphaeridium gracile | Early Paleozoic | Early Paleozoic |
|