Genus Heptasphaera
- Species total:
- 4
- Age range:
- 123 - 103.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Heptasphaera | Hauterivian | Early Albian |
|
| Heptasphaera michaelii | Hauterivian | Barremian |
|
| Heptasphaera paulaworstellae | Nd | Nd |
|
| Heptasphaera paulaworstelliae | Nd | Nd |
|