Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium swanense | Oxfordian | Kimmeridgian |
|
| Oligosphaeridium patulum | Jurassic | Middle Volgian |
|
| Oligosphaeridium sp.1 Dave.,1988 | Middle Tithonian | Late Tithonian |
|
| Oligosphaeridium sp.A Bren.,1992 | Middle Berriasian | Late Berriasian |
|
| Oligosphaeridium simplex | Tithonian | Early Valanginian |
|
| Oligosphaeridium sp.FE | Early Valanginian | Middle Valanginian |
|
| Oligosphaeridium sp.GE | Late Volgian | Early Hauterivian |
|
| Oligosphaeridium jixiense | Late Valanginian | Early Hauterivian |
|
| Oligosphaeridium suibinense | Valanginian | Hauterivian |
|
| Oligosphaeridium heilongjiangense | Valanginian | Hauterivian |
|
| Oligosphaeridium sp.1 Heil.,1987 | Late Valanginian | Hauterivian |
|
| Oligosphaeridium macrotubulum | Oxfordian | Hauterivian |
|
| Oligosphaeridium dispare | Early Cretaceous | Hauterivian |
|
| Oligosphaeridium fenestratum | Middle Valanginian | Middle Barremian |
|
| Oligosphaeridium sp.A Khow.& Jain,1992 | Hauterivian | Barremian |
|
| Oligosphaeridium sp.B Khow.& Jain,1992 | Hauterivian | Barremian |
|
| Oligosphaeridium sp.Ab | Hauterivian | Early Albian |
|