Genus Helbydinium
- Species total:
- 2
- Age range:
- 143.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helbydinium | Middle Tithonian | Middle Tithonian |
|
| Helbydinium scabratum | Middle Tithonian | Middle Tithonian |
|
Genus Helbydinium
- Species total:
- 2
- Age range:
- 143.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helbydinium | Middle Tithonian | Middle Tithonian |
|
| Helbydinium scabratum | Middle Tithonian | Middle Tithonian |
|