Genus Orthaulax
- Species total:
- 1
- Age range:
- 27.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Orthaulax japonica | Late Oligocene | Late Oligocene |
|
Genus Orthaulax
- Species total:
- 1
- Age range:
- 27.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Orthaulax japonica | Late Oligocene | Late Oligocene |
|