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 |
|