Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium verrucosum | Hauterivian | Middle Albian |
|
| Oligosphaeridium sp.1 Nиhr.,1993 | Late Aptian | Albian |
|
| Oligosphaeridium operculata | Late Hauterivian | Motuan |
|
| Oligosphaeridium sp.B Brid.,1971 | Aptian | Late Albian |
|
| Oligosphaeridium sp.A Brid.,1971 | Aptian | Late Albian |
|
| Oligosphaeridium nannus | Valanginian | Albian |
|
| Oligosphaeridium abaculum | Berriasian | Albian |
|
| Oligosphaeridium sp. Bjae.,1978 | Valanginian | Albian |
|
| Oligosphaeridium porosum | Late Valanginian | Early Cenomanian |
|
| Oligosphaeridium tenuiprocessum | Vraconian | Early Cenomanian |
|
| Oligosphaeridium indicum | Late Aptian | Early Cenomanian |
|
| Oligosphaeridium irregulare | Bajocian | Cenomanian |
|
| Oligosphaeridium diluculum | Late Oxfordian | Cenomanian |
|
| Oligosphaeridium sp.A | Kimmeridgian | Cenomanian |
|
| Oligosphaeridium diastema | Portlandian | Cenomanian |
|
| Oligosphaeridium reniforme | Early Cretaceous | Cenomanian |
|
| Oligosphaeridium djenn | Barremian | Cenomanian |
|