Genus Ptanospermella
- Species total:
- 2
- Age range:
- 40.25 - 32.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ptanospermella bujakii | Late Eocene | Early Oligocene |
|
| Ptanospermella sp | Late Eocene | Early Oligocene |
|
Genus Ptanospermella
- Species total:
- 2
- Age range:
- 40.25 - 32.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ptanospermella bujakii | Late Eocene | Early Oligocene |
|
| Ptanospermella sp | Late Eocene | Early Oligocene |
|