Genus Geulhemmerbergia
- Species total:
- 3
- Age range:
- 66.17 - 63.9 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Geulhemmerbergia | Late Maestrichtian | Early Danian |
|
| Geulhemmerbergia tuboformis | Early Danian | Early Danian |
|
| Geulhemmerbergia turboformis | Nd | Nd |
|