Genus Ovum
- Species total:
- 8
- Age range:
- 500 - 370 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ovum | Ordovician | Ordovician |
|
| Ovum hispidum | Ordovician | Emsian |
|
| Ovum hysbrix | Cretaceous | Cretaceous |
|
| Ovum medium | Silurian | Silurian |
|
| Ovum multispinosum | Cretaceous | Cretaceous |
|
| Ovum nationale | Cretaceous | Cretaceous |
|
| Ovum solidum | Silurian | Silurian |
|
| Ovum stellare | Cretaceous | Cretaceous |
|