| Name | From | To | Age range |
|---|---|---|---|
| Osmunda speciosa | Early Jurassic | Cenomanian |
|
| Osmunda elegans | Jurassic | Cenomanian |
|
| Osmunda obsoletorimosa | Early Jurassic | Turonian |
|
| Osmunda crassirimosa | Early Jurassic | Turonian |
|
| Osmunda longirimosa | Early Jurassic | Turonian |
|
| Osmunda diversispinulata | Jurassic | Maastrichtian |
|
| Osmunda tuberculata | Early Jurassic | Maastrichtian |
|
| Osmunda magna | Jurassic | Late Cretaceous |
|
| Osmunda densiornamentata | Early Jurassic | Danian |
|
| Osmunda sp.3 | Aptian | Danian |
|
| Osmunda comaumensis | Late Cretaceous | Paleocene |
|
| Osmunda heterophyllites | Early Eocene | Middle Eocene |
|
| Osmunda primaria | Middle Eocene | Late Eocene |
|
| Osmunda sparsituberculata | Jurassic | Late Eocene |
|
| Osmunda echinata | Early Jurassic | Late Eocene |
|
| Osmunda sp.1 | Early Triassic | Early Oligocene |
|
| Osmunda heeri | Miocene | Late Miocene |
|