| Name | From | To | Age range |
|---|---|---|---|
| Azolla teschiana | Late Cretaceous | Priabonian |
|
| Azolla sp. Papu,1988 | Late Cretaceous | Late Cretaceous |
|
| Azolla gigantea | Late Cretaceous | Late Cretaceous |
|
| Azolla sagittifera | Late Albian | Cenomanian |
|
| Azolla pondicherriana | Late Albian | Late Albian |
|
| Azolla circinata | Cretaceous | Paleocene |
|
| Azolla cretacea | Cretaceous | Tertiary |
|
| Azolla filosa | Cretaceous | Thanetian |
|
| Azolla geneseana | Cretaceous | Cretaceous |
|
| Azolla deccaniana | Cretaceous | Cretaceous |
|
| Azolla simplex | Berriasian | Campanian |
|
| Azolla conspicua | Cretaceous | Thanetian |
|
| Azolla lauta | Cretaceous | Thanetian |
|
| Azolla montana | Cretaceous | Recent |
|
| Azolla schopfi | Cretaceous | Paleocene |
|
| Azolla fistulosa | Cretaceous | Paleocene |
|
| Azolla hamata | Cretaceous | Early Maastrichtian |
|