Genus Amiculosphaera
- Species total:
- 4
- Age range:
- 94 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Amiculosphaera umbraculum | Turonian | Recent |
|
| Amiculosphaera sp | Early Pliocene | Early Pliocene |
|
| Amiculosphaera granulata | Miocene | Miocene |
|
| Amiculosphaera | Middle Miocene | Pleistocene |
|