Genus Sphenopsida
- Species total:
- 2
- Age range:
- 570 - 43.93 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphenopsida | Early Cambrian | Early Tertiary |
|
| Sphenopsida sp | Nd | Nd |
|
Genus Sphenopsida
- Species total:
- 2
- Age range:
- 570 - 43.93 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphenopsida | Early Cambrian | Early Tertiary |
|
| Sphenopsida sp | Nd | Nd |
|