Genus Guttatisphaeridium
- Species total:
- 2
- Age range:
- 570 - 318 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Guttatisphaeridium | Late Devonian | Early Mississippian |
|
| Guttatisphaeridium pandum | Early Paleozoic | Mississippian |
|