| Name | From | To | Age range |
|---|---|---|---|
| Azolla intertrappea | Cretaceous | Lutetian |
|
| Azolla indica | Cretaceous | Lutetian |
|
| Azolla stanleyi | Paleocene | Middle Eocene |
|
| Azolla glochidia | Eocene | Late Eocene |
|
| Azolla capricornica | Eocene | Late Eocene |
|
| Azolla teschiana | Late Cretaceous | Priabonian |
|
| Azolla areolata | Danian | Priabonian |
|
| Azolla colwellensis | Bartonian | Priabonian |
|
| Azolla vera | Tertiary | Early Oligocene |
|
| Azolla sp.A | Campanian | Early Oligocene |
|
| Azolla prisca | Bartonian | Early Chattian |
|
| Azolla antiqua | Lutetian | Chattian |
|
| Azolla sibirica | Rupelian | Chattian |
|
| Azolla suchorukovii | Oligocene | Chattian |
|
| Azolla turgaica | Rupelian | Chattian |
|
| Azolla rossica | Toarcian | Aquitanian |
|
| Azolla kryshtofovichii | Aquitanian | Burdigalian |
|