Genus Disphaerogena
- Species total:
- 4
- Age range:
- 141 - 54.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Disphaerogena | Cretaceous | Danian |
|
| Disphaerogena carposphaeropsis | Cretaceous | Thanetian |
|
| Disphaerogena irregularis | Middle Eocene | Middle Eocene |
|
| Disphaerogena lemniscata | Late Cretaceous | Paleocene |
|