Genus Polymorphina
- Species total:
- 4
- Age range:
- 76 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polymorphina compressa | Late Senonian | Late Senonian |
|
| Polymorphina cushmani | Paleocene | Paleocene |
|
| Polymorphina sp | Late Senonian | Late Senonian |
|
| Polymorphina subhombica | Paleocene | Paleocene |
|