Genus Ricalacysta
- Species total:
- 1
- Age range:
- 49 - 32.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ricalacysta perforata | Middle Eocene | Early Oligocene |
|
Genus Ricalacysta
- Species total:
- 1
- Age range:
- 49 - 32.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ricalacysta perforata | Middle Eocene | Early Oligocene |
|