Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium sp.B | Late Aptian | Late Aptian |
|
| Oligosphaeridium centrocarpum | Paleocene | Paleocene |
|
| Oligosphaeridium longicercale | Cenomanian | Cenomanian |
|
| Oligosphaeridium amplexum | Early Hauterivian | Early Hauterivian |
|
| Oligosphaeridium sp.A Duan.,1996 | Valanginian | Valanginian |
|
| Oligosphaeridium sp.4 | Nd | Nd |
|
| Oligosphaeridium sp. Sun,1994 | Eocene | Eocene |
|
| Oligosphaeridium pseudoabaculum | Early Barremian | Early Barremian |
|
| Oligosphaeridium dictyotum | Late Aptian | Late Aptian |
|
| Oligosphaeridium junctum | Hauterivian | Hauterivian |
|
| Oligosphaeridium umbraculum | Early Hauterivian | Early Hauterivian |
|
| Oligosphaeridium sp.C | Albian | Albian |
|
| Oligosphaeridium sp. De L.,1989 | Cretaceous | Cretaceous |
|
| Oligosphaeridium sp.A De C.,1986 | Bartonian | Bartonian |
|
| Oligosphaeridium tubulatum | Oligocene | Oligocene |
|
| Oligosphaeridium quadrum | Late Hauterivian | Late Hauterivian |
|
| Oligosphaeridium aphalum | Paleocene | Paleocene |
|