| Name | From | To | Age range |
|---|---|---|---|
| Alnus precordata | Late Eocene | Late Eocene |
|
| 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 type | Eocene | Eocene |
|
| Alnus fruticosa | Eocene | Eocene |
|
| Alnus quadropollenites | Eocene | Priabonian |
|
| Alnus hexapollenites | Eocene | Miocene |
|
| Alnus eminens | Eocene | Miocene |
|
| Alnus speciites | Eocene | Eocene |
|
| Alnus kefersteini | Eocene | Helvetian |
|
| Alnus pre-cordata | Late Paleocene | Early Pliocene |
|
| Alnus scotica | Late Paleocene | Early Miocene |
|
| Alnus bremanoirensis | Late Paleocene | Early Eocene |
|
| Alnus scotia | Late Paleocene | Early Eocene |
|