Genus Polyhyphaethyrites
- Species total:
- 2
- Age range:
- 90.33 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polyhyphaethyrites | Late Cretaceous | Late Cretaceous |
|
| Polyhyphaethyrites giganticus | Late Cretaceous | Late Cretaceous |
|