Genus Sphaeromorphitae
- Species total:
- 5
- Age range:
- 4100 - 1.8 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaeromorphitae | Precambriam | Tertiary |
|
| Sphaeromorphitae sp | Algonkian | Pliensbachian |
|
| Sphaeromorphitae sp.A | Early Cretaceous | Late Cretaceous |
|
| Sphaeromorphitae type 1 | Late Rhaetian | Hettangian |
|
| Sphaeromorphitae type 2 | Late Rhaetian | Hettangian |
|