Genus Enigmasphaera
- Species total:
- 3
- Age range:
- 115.67 - 94 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Enigmasphaera | Albian | Cenomanian |
|
| Enigmasphaera eryensis | Albian | Cenomanian |
|
| Enigmasphaera eyrensis | Middle Cretaceous | Cenomanian |
|