Genus Quadrina
- Species total:
- 4
- Age range:
- 54.5 - 0.01 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Quadrina | Eocene | Eocene |
|
| Quadrina condita | Middle Miocene | Pleistocene |
|
| Quadrina pallida | Eocene | Rupelian |
|
| Quadrina sp | Early Ypresian | Early Ypresian |
|