Genus Bisac
- Species total:
- 5
- Age range:
- 65 - 49 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Bisac large | Paleocene | Early Eocene |
|
| Bisac round | Paleocene | Early Eocene |
|
| Bisac smallbody | Paleocene | Early Eocene |
|
| Bisac straight | Paleocene | Early Eocene |
|
| Bisac thickedge | Paleocene | Early Eocene |
|