Genus Chonesphaera
- Species total:
- 2
- Age range:
- 54.5 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chonesphaera | Middle Eocene | Late Eocene |
|
| Chonesphaera incerta | Eocene | Late Eocene |
|
Genus Chonesphaera
- Species total:
- 2
- Age range:
- 54.5 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chonesphaera | Middle Eocene | Late Eocene |
|
| Chonesphaera incerta | Eocene | Late Eocene |
|