Genus Wilsonisphaera
- Species total:
- 2
- Age range:
- 88 - 67.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Wilsonisphaera | Campanian | Early Maastrichtian |
|
| Wilsonisphaera petila | Senonian | Early Maastrichtian |
|
Genus Wilsonisphaera
- Species total:
- 2
- Age range:
- 88 - 67.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Wilsonisphaera | Campanian | Early Maastrichtian |
|
| Wilsonisphaera petila | Senonian | Early Maastrichtian |
|