Genus Oligosphaeridium
- Species total:
- 103
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Oligosphaeridium | Mesozoic | Cenozoic |
|
| Oligosphaeridium asterigerum | Late Triassic | Santonian |
|
| Oligosphaeridium complex | Late Triassic | Pleistocene |
|
| Oligosphaeridium sp | Jurassic | Late Miocene |
|
| Oligosphaeridium anthophorum | Jurassic | Pleistocene |
|
| Oligosphaeridium patulum | Jurassic | Middle Volgian |
|
| Oligosphaeridium dictyophorum | Jurassic | Cretaceous |
|
| Oligosphaeridium perforatum | Late Hettangian | Late Santonian |
|
| Oligosphaeridium irregulare | Bajocian | Cenomanian |
|
| Oligosphaeridium pulcherrimum | Bajocian | Early Miocene |
|
| Oligosphaeridium swanense | Oxfordian | Kimmeridgian |
|
| Oligosphaeridium macrotubulum | Oxfordian | Hauterivian |
|
| Oligosphaeridium diluculum | Late Oxfordian | Cenomanian |
|
| Oligosphaeridium sp.A | Kimmeridgian | Cenomanian |
|
| Oligosphaeridium albertense | Kimmeridgian | Paleocene |
|
| Oligosphaeridium sp.1 | Kimmeridgian | Middle Oligocene |
|
| Oligosphaeridium poculum | Kimmeridgian | Middle Lutetian |
|