Genus Retesphaera
- Species total:
- 2
- Age range:
- 68.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Retesphaera | Late Maastrichtian | Late Maastrichtian |
|
| Retesphaera diadema | Maastrichtian | Maastrichtian |
|
Genus Retesphaera
- Species total:
- 2
- Age range:
- 68.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Retesphaera | Late Maastrichtian | Late Maastrichtian |
|
| Retesphaera diadema | Maastrichtian | Maastrichtian |
|