| Name | From | To | Age range |
|---|---|---|---|
| Azolla pyrenaica | Late Neogene | Pleistocene |
|
| Azolla sp.B | Late Miocene | Late Miocene |
|
| Azolla dorofeevii | Late Miocene | Late Neogene |
|
| Azolla lamkiana | Karaganian | Sarmatian |
|
| Azolla interglacialica | Langhian | Pleistocene |
|
| Azolla tegeliensis | Middle Miocene | Pleistocene |
|
| Azolla pulchella | Miocene | Miocene |
|
| Azolla kryshtofovichii | Aquitanian | Burdigalian |
|
| Azolla guinensis | Early Miocene | Early Miocene |
|
| Azolla monilifera | Miocene | Piacenzian |
|
| Azolla microphylla | Early Miocene | Early Miocene |
|
| Azolla borysthenica | Aquitanian | Langhian |
|
| Azolla sulaensis | Miocene | Miocene |
|
| Azolla africana | Early Miocene | Early Miocene |
|
| Azolla tertiaria | Miocene | Miocene |
|
| Azolla pseudopinnata | Chattian | Piacenzian |
|
| Azolla glabra | Chattian | Early Piacenzian |
|