Genus Pteridospermales
- Species total:
- 1
- Age range:
- 540 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pteridospermales | Middle Cambrian | Permian |
|
Genus Pteridospermales
- Species total:
- 1
- Age range:
- 540 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pteridospermales | Middle Cambrian | Permian |
|