Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium dividuum | Late Kimmeridgian | Santonian |
|
| Oligosphaeridium simplex | Tithonian | Early Valanginian |
|
| Oligosphaeridium diastema | Portlandian | Cenomanian |
|
| Oligosphaeridium sp.1 Dave.,1988 | Middle Tithonian | Late Tithonian |
|
| Oligosphaeridium sp.GE | Late Volgian | Early Hauterivian |
|
| Oligosphaeridium sp. De L.,1989 | Cretaceous | Cretaceous |
|
| Oligosphaeridium vasiformum | Early Cretaceous | Priabonian |
|
| Oligosphaeridium totum | Cretaceous | Santonian |
|
| Oligosphaeridium spinigerum | Neocomian | Neocomian |
|
| Oligosphaeridium abaculum | Berriasian | Albian |
|
| Oligosphaeridium coelenteratum | Early Cretaceous | Early Cretaceous |
|
| Oligosphaeridium byersense | Cretaceous | Cretaceous |
|
| Oligosphaeridium dispare | Early Cretaceous | Hauterivian |
|
| Oligosphaeridium reniforme | Early Cretaceous | Cenomanian |
|
| Oligosphaeridium sp.A Bren.,1992 | Middle Berriasian | Late Berriasian |
|
| Oligosphaeridium suibinense | Valanginian | Hauterivian |
|
| Oligosphaeridium heilongjiangense | Valanginian | Hauterivian |
|