| Name | From | To | Age range |
|---|---|---|---|
| Alnus rubra | Paleogene | Neogene |
|
| Alnus sp. Brat.,1966 | Paleocene | Paleocene |
|
| Alnus incerta | Paleogene | Neogene |
|
| Alnus jorulensis | Paleogene | Neogene |
|
| Alnus incana | Early Tertiary | Pleistocene |
|
| Alnus subcordata | Paleogene | Neogene |
|
| Alnus spectabilis | Paleogene | Neogene |
|
| Alnus arcuata | Paleogene | Neogene |
|
| Alnus glutinosa | Early Tertiary | Holocene |
|
| Alnus scotia | Late Paleocene | Early Eocene |
|
| Alnus pre-japonica | Late Paleocene | Early Pliocene |
|
| Alnus pre-cordata | Late Paleocene | Early Pliocene |
|
| Alnus scotica | Late Paleocene | Early Miocene |
|
| Alnus bremanoirensis | Late Paleocene | Early Eocene |
|
| Alnus hexapollenites | Eocene | Miocene |
|
| Alnus eminens | Eocene | Miocene |
|
| Alnus speciites | Eocene | Eocene |
|