Genus Plethysyrinx
- Species total:
- 3
- Age range:
- 49 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Plethysyrinx | Middle Eocene | Late Eocene |
|
| Plethysyrinx lata | Middle Eocene | Late Eocene |
|
| Plethysyrinx lemniscata | Middle Eocene | Late Eocene |
|