Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium jixiense | Late Valanginian | Early Hauterivian |
|
| Oligosphaeridium itajaiense | Turonian | Turonian |
|
| Oligosphaeridium irregulare | Bajocian | Cenomanian |
|
| Oligosphaeridium intermedium | Late Hauterivian | Paleocene |
|
| Oligosphaeridium indicum | Late Aptian | Early Cenomanian |
|
| Oligosphaeridium homomorphum | Eocene | Oligocene |
|
| Oligosphaeridium heilongjiangense | Valanginian | Hauterivian |
|
| Oligosphaeridium granulatum | Early Albian | Early Albian |
|
| Oligosphaeridium fenestratum | Middle Valanginian | Middle Barremian |
|
| Oligosphaeridium dongmingense | Eocene | Oligocene |
|
| Oligosphaeridium djenn | Barremian | Cenomanian |
|
| Oligosphaeridium dividuum | Late Kimmeridgian | Santonian |
|
| Oligosphaeridium divergens | Middle Eocene | Late Eocene |
|
| Oligosphaeridium dispare | Early Cretaceous | Hauterivian |
|
| Oligosphaeridium diluculum | Late Oxfordian | Cenomanian |
|
| Oligosphaeridium dictyotum | Late Aptian | Late Aptian |
|
| Oligosphaeridium dictyostilum | Eocene | Oligocene |
|