Genus Sphaeria
- Species total:
- 6
- Age range:
- 141 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Sphaeria | Nd | Nd |
|
Sphaeria aegeritoides | Miocene | Miocene |
|
Sphaeria annulifera | Miocene | Miocene |
|
Sphaeria arctica | Miocene | Miocene |
|
Sphaeria cretacea | Cretaceous | Cretaceous |
|
Sphaeria interpungens | Paleocene | Paleocene |
|