Genus Rosannia
- Species total:
- 3
- Age range:
- 141 - 54.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Rosannia | Maastrichtian | Maastrichtian |
|
| Rosannia manika | Neocomian | Paleocene |
|
| Rosannia sp | Campanian | Early Maestrichtian |
|