Genus Archaeosphaeridium
- Species total:
- 3
- Age range:
- 66.17 - 63.9 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Archaeosphaeridium dangeardianum | Late Maastrichtian | Early Danian |
|
| Archaeosphaeridium ornatum | Miocene | Miocene |
|
| Archaeosphaeridium pachyceros | Miocene | Miocene |
|