Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium pulcherrimum | Bajocian | Early Miocene |
|
| Oligosphaeridium quadrum | Late Hauterivian | Late Hauterivian |
|
| Oligosphaeridium reniforme | Early Cretaceous | Cenomanian |
|
| Oligosphaeridium reticulatum | Valanginian | Early Campanian |
|
| Oligosphaeridium simplex | Tithonian | Early Valanginian |
|
| Oligosphaeridium sp | Jurassic | Late Miocene |
|
| Oligosphaeridium sp. Bjae.,1978 | Valanginian | Albian |
|
| Oligosphaeridium sp. De L.,1989 | Cretaceous | Cretaceous |
|
| Oligosphaeridium sp. Mehr.& Sinh.,1981 | Late Cretaceous | Middle Eocene |
|
| Oligosphaeridium sp. Sun,1994 | Eocene | Eocene |
|
| Oligosphaeridium sp. Xu et al,1997 | Middle Eocene | Late Eocene |
|
| Oligosphaeridium sp.1 | Kimmeridgian | Middle Oligocene |
|
| Oligosphaeridium sp.1 Dave.,1988 | Middle Tithonian | Late Tithonian |
|
| Oligosphaeridium sp.1 Heil.,1987 | Late Valanginian | Hauterivian |
|
| Oligosphaeridium sp.1 Nиhr.,1993 | Late Aptian | Albian |
|
| Oligosphaeridium sp.2 | Early Barremian | Middle Oligocene |
|
| Oligosphaeridium sp.3 | Late Albian | Middle Oligocene |
|