Genus Quadrella
- Species total:
- 5
- Age range:
- 230 - 195 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Quadrella | Early Jurassic | Early Jurassic |
|
| Quadrella cincta | Early Jurassic | Early Jurassic |
|
| Quadrella pachypteris | Keuper | Rhaetian |
|
| Quadrella plicata | Early Mesozoic | Early Mesozoic |
|
| Quadrella punctata | Olenikian | Olenikian |
|