Genus Gerdalia
- Species total:
- 3
- Age range:
- 223 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Gerdalia | Landenian | Landenian |
|
| Gerdalia defecta | Anisian | Anisian |
|
| Gerdalia minuta | Anisian | Anisian |
|