Genus Pteridospermae
- Species total:
- 2
- Age range:
- 570 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pteridospermae | Early Triassic | Early Triassic |
|
| Pteridospermae sp | Early Cambrian | Early Cambrian |
|
Genus Pteridospermae
- Species total:
- 2
- Age range:
- 570 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pteridospermae | Early Triassic | Early Triassic |
|
| Pteridospermae sp | Early Cambrian | Early Cambrian |
|