Genus Sphenoporis
- Species total:
- 2
- Age range:
- 90.33 - 54.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphenoporis | Late Cretaceous | Paleocene |
|
| Sphenoporis scabratus | Late Cretaceous | Paleocene |
|
Genus Sphenoporis
- Species total:
- 2
- Age range:
- 90.33 - 54.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphenoporis | Late Cretaceous | Paleocene |
|
| Sphenoporis scabratus | Late Cretaceous | Paleocene |
|