Genus Okerisphaeridium
- Species total:
- 2
- Age range:
- 154 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Okerisphaeridium | Late Oxfordian | Late Oxfordian |
|
| Okerisphaeridium fragile | Late Oxfordian | Late Oxfordian |
|
Genus Okerisphaeridium
- Species total:
- 2
- Age range:
- 154 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Okerisphaeridium | Late Oxfordian | Late Oxfordian |
|
| Okerisphaeridium fragile | Late Oxfordian | Late Oxfordian |
|