Genus Monosac frill
- Species total:
- 1
- Age range:
- 58 - 49 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Monosac frill | Late Paleocene | Early Eocene |
|
Genus Monosac frill
- Species total:
- 1
- Age range:
- 58 - 49 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Monosac frill | Late Paleocene | Early Eocene |
|