| Name | From | To | Age range |
|---|---|---|---|
| Alnus subtilis | Paleogene | Neogene |
|
| Alnus trina | Cretaceous | Tertiary |
|
| Alnus maritima | Paleogene | Neogene |
|
| Alnus gratiosa | Paleogene | Neogene |
|
| Alnus japonica | Early Tertiary | Neogene |
|
| Alnus cognita | Paleogene | Neogene |
|
| Alnus principalis | Paleogene | Neogene |
|
| Alnus habilis | Paleogene | Neogene |
|
| Alnus explicata | Paleogene | Neogene |
|
| Alnus constans | Paleogene | Neogene |
|
| Alnus inopinata | Paleogene | Neogene |
|
| Alnus nepalensis | Late Eocene | Late Pliocene |
|
| Alnus suprema | Paleogene | Neogene |
|
| Alnus rubra | Paleogene | Neogene |
|
| Alnus incerta | Paleogene | Neogene |
|
| Alnus jorulensis | Paleogene | Neogene |
|
| Alnus spectabilis | Paleogene | Neogene |
|