Genus Romasphaera
- Species total:
- 2
- Age range:
- 141 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Romasphaera | Aptian | Cenomanian |
|
| Romasphaera margostriata | Early Cretaceous | Late Eocene |
|
Genus Romasphaera
- Species total:
- 2
- Age range:
- 141 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Romasphaera | Aptian | Cenomanian |
|
| Romasphaera margostriata | Early Cretaceous | Late Eocene |
|