Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium dharmpurense | Late Paleocene | Eocene |
|
| Oligosphaeridium dongmingense | Eocene | Oligocene |
|
| Oligosphaeridium dictyostilum | Eocene | Oligocene |
|
| Oligosphaeridium ovatum | Eocene | Oligocene |
|
| Oligosphaeridium sp. Sun,1994 | Eocene | Eocene |
|
| Oligosphaeridium homomorphum | Eocene | Oligocene |
|
| Oligosphaeridium minus | Eocene | Oligocene |
|
| Oligosphaeridium specialis | Middle Eocene | Late Eocene |
|
| Oligosphaeridium divergens | Middle Eocene | Late Eocene |
|
| Oligosphaeridium sp. Xu et al,1997 | Middle Eocene | Late Eocene |
|
| Oligosphaeridium abbreviatum | Middle Eocene | Late Eocene |
|
| Oligosphaeridium sp.A De C.,1986 | Bartonian | Bartonian |
|
| Oligosphaeridium paradoxum | Late Eocene | Late Eocene |
|
| Oligosphaeridium membranaceum | Early Oligocene | Middle Oligocene |
|
| Oligosphaeridium sp.6 | Early Oligocene | Middle Oligocene |
|
| Oligosphaeridium sp.5 | Early Oligocene | Middle Oligocene |
|
| Oligosphaeridium tubulatum | Oligocene | Oligocene |
|