| Name | From | To | Age range |
|---|---|---|---|
| Alnus kefersteini | Eocene | Helvetian |
|
| Alnus type | Eocene | Eocene |
|
| Alnus fruticosa | Eocene | Eocene |
|
| Alnus quadropollenites | Eocene | Priabonian |
|
| Alnus pentagona | Late Eocene | Late Eocene |
|
| Alnus firmiformis | Late Eocene | Middle Miocene |
|
| Alnus sp. Sung.et al,1964 | Late Eocene | Middle Oligocene |
|
| Alnus feroniae | Late Eocene | Early Oligocene |
|
| Alnus trabeculosa | Late Eocene | Pleistocene |
|
| Alnus sp. Sung et al,1964 | Late Eocene | Middle Oligocene |
|
| Alnus subserrulata | Late Eocene | Miocene |
|
| Alnus nepalensis | Late Eocene | Late Pliocene |
|
| Alnus precordata | Late Eocene | Late Eocene |
|
| Alnus kamtschatica | Oligocene | Middle Pliocene |
|
| Alnus americana | Oligocene | Oligocene |
|
| Alnus quadriangula | Early Oligocene | Early Oligocene |
|
| Alnus sp. Agra.et al,1956 | Early Oligocene | Early Oligocene |
|