Genus Helicoon
- Species total:
- 2
- Age range:
- 54.5 - 5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helicoon | Early Eocene | Early Eocene |
|
| Helicoon sp | Eocene | Late Miocene |
|
Genus Helicoon
- Species total:
- 2
- Age range:
- 54.5 - 5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helicoon | Early Eocene | Early Eocene |
|
| Helicoon sp | Eocene | Late Miocene |
|