| Name | From | To | Age range |
|---|---|---|---|
| Isoetes savatieri | Late Oligocene | Middle Miocene |
|
| Isoetes echinospora | Late Neogene | Late Neogene |
|
| Isoetes setaceum | Early Pliocene | Early Pliocene |
|
| Isoetes velatum | Early Pliocene | Early Pliocene |
|
| Isoetes hystrix | Early Pliocene | Early Pliocene |
|
| Isoetes humilior | Nd | Nd |
|