| Name | From | To | Age range |
|---|---|---|---|
| Osmunda diversispinulata | Jurassic | Maastrichtian |
|
| Osmunda echinata | Early Jurassic | Late Eocene |
|
| Osmunda elegans | Jurassic | Cenomanian |
|
| Osmunda exilis | Dogger | Dogger |
|
| Osmunda gleitoniana | Late Neogene | Late Neogene |
|
| Osmunda granifera | Middle Triassic | Barremian |
|
| Osmunda granulata | Early Olenikian | Tertiary |
|
| Osmunda heeri | Miocene | Late Miocene |
|
| Osmunda heterophyllites | Early Eocene | Middle Eocene |
|
| Osmunda intermedia | Keuper | Late Jurassic |
|
| Osmunda irregulites | Eocene | Early Pliocene |
|
| Osmunda japonica | Pliocene | Pleistocene |
|
| Osmunda javanica | Early Tertiary | Pleistocene |
|
| Osmunda jurassica | Late Permian | Albian |
|
| Osmunda lignitum | Middle Oligocene | Middle Oligocene |
|
| Osmunda longirimosa | Early Jurassic | Turonian |
|
| Osmunda magna | Jurassic | Late Cretaceous |
|