Genus Thrypticosphaera
- Species total:
- 2
- Age range:
- 54.5 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Thrypticosphaera | Eocene | Eocene |
|
Thrypticosphaera magnifica | Eocene | Eocene |
|
Genus Thrypticosphaera
- Species total:
- 2
- Age range:
- 54.5 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Thrypticosphaera | Eocene | Eocene |
|
Thrypticosphaera magnifica | Eocene | Eocene |
|