Genus Pteridosperms
- Species total:
- 1
- Age range:
- 318 - 61.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pteridosperms | Pennsylvanian | Danian |
|
Genus Pteridosperms
- Species total:
- 1
- Age range:
- 318 - 61.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pteridosperms | Pennsylvanian | Danian |
|