Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium sp.C | Albian | Albian |
|
| Oligosphaeridium sp.D | Albian | Albian |
|
| Oligosphaeridium granulatum | Early Albian | Early Albian |
|
| Oligosphaeridium tenuiprocessum | Vraconian | Early Cenomanian |
|
| Oligosphaeridium sp.3 | Late Albian | Middle Oligocene |
|
| Oligosphaeridium buciniferum | Late Albian | Maestrichtian |
|
| Oligosphaeridium breviconispinum | Early Cenomanian | Early Cenomanian |
|
| Oligosphaeridium longicercale | Cenomanian | Cenomanian |
|
| Oligosphaeridium trabeculosum | Middle Cenomanian | Middle Cenomanian |
|
| Oligosphaeridium itajaiense | Turonian | Turonian |
|
| Oligosphaeridium sp. Mehr.& Sinh.,1981 | Late Cretaceous | Middle Eocene |
|
| Oligosphaeridium sp.A Sumn.,1992 | Campanian | Late Campanian |
|
| Oligosphaeridium levimarginatum | Early Maastrichtian | Early Maastrichtian |
|
| Oligosphaeridium xinjiangense | Paleocene | Middle Eocene |
|
| Oligosphaeridium centrocarpum | Paleocene | Paleocene |
|
| Oligosphaeridium aphalum | Paleocene | Paleocene |
|
| Oligosphaeridium umbratus | Thanetian | Thanetian |
|