| Name | From | To | Age range |
|---|---|---|---|
| Alnus maritima | Paleogene | Neogene |
|
| Alnus gratiosa | Paleogene | Neogene |
|
| Alnus cordata | Early Tertiary | Early Tertiary |
|
| Alnus japonica | Early Tertiary | Neogene |
|
| Alnus cognita | Paleogene | Neogene |
|
| Alnus principalis | Paleogene | Neogene |
|
| Alnus explicata | Paleogene | Neogene |
|
| Alnus habilis | Paleogene | Neogene |
|
| Alnus constans | Paleogene | Neogene |
|
| Alnus inopinata | Paleogene | Neogene |
|
| Alnus firma | Paleogene | Pleistocene |
|
| Alnus suprema | Paleogene | Neogene |
|
| Alnus rubra | Paleogene | Neogene |
|
| Alnus sp. Brat.,1966 | Paleocene | Paleocene |
|
| Alnus incerta | Paleogene | Neogene |
|
| Alnus jorulensis | Paleogene | Neogene |
|
| Alnus incana | Early Tertiary | Pleistocene |
|