| Name | From | To | Age range |
|---|---|---|---|
| Azolla tambovica | Toarcian | Langhian |
|
| Azolla borysthenica | Aquitanian | Langhian |
|
| Azolla lamkiana | Karaganian | Sarmatian |
|
| Azolla nana | Rupelian | Messinian |
|
| Azolla tymensis | Oligocene | Messinian |
|
| Azolla aglochidia | Middle Oligocene | Messinian |
|
| Azolla poltavica | Toarcian | Messinian |
|
| Azolla parapinnata | Tertiary | Messinian |
|
| Azolla tanaitica | Toarcian | Messinian |
|
| Azolla ucrainica | Toarcian | Messinian |
|
| Azolla bohemica | Eocene | Miocene |
|
| Azolla primaeva | Maastrichtian | Messinian |
|
| Azolla tuganensis | Oligocene | Messinian |
|
| Azolla irtyshensis | Toarcian | Messinian |
|
| Azolla roemoeensis | Toarcian | Zanclian |
|
| Azolla tomentosa | Maastrichtian | Zanclian |
|
| Azolla nikitinii | Tertiary | Early Piacenzian |
|