| Name | From | To | Age range |
|---|---|---|---|
| Cryptogramma sp. McIn.,1991 | Middle Eocene | Middle Eocene |
|
| Cryptogramma stelleri | Nd | Nd |
|
| Cryptogramma chetaensis | Valanginian | Valanginian |
|
| Name | From | To | Age range |
|---|---|---|---|
| Cryptogramma sp. McIn.,1991 | Middle Eocene | Middle Eocene |
|
| Cryptogramma stelleri | Nd | Nd |
|
| Cryptogramma chetaensis | Valanginian | Valanginian |
|