Genus Protopteridium
- Species total:
- 6
- Age range:
- 570 - 360 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Protopteridium thomsonii | Devonian | Devonian |
|
| Protopteridium sp | Early Devonian | Middle Devonian |
|
| Protopteridium rossicum | Givetian | Givetian |
|
| Protopteridium minutum | Paleozoic | Middle Devonian |
|
| Protopteridium hostinense | Devonian | Devonian |
|
| Protopteridium | Givetian | Givetian |
|