Genus Pentagonium
- Species total:
- 2
- Age range:
- 40.25 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pentagonium | Late Eocene | Late Eocene |
|
| Pentagonium obidum | Late Eocene | Late Eocene |
|
Genus Pentagonium
- Species total:
- 2
- Age range:
- 40.25 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Pentagonium | Late Eocene | Late Eocene |
|
| Pentagonium obidum | Late Eocene | Late Eocene |
|