| Name | From | To | Age range |
|---|---|---|---|
| Alnus pentaporina | Maastrichtian | Paleocene |
|
| Alnus type 2 | Late Maastrichtian | Danian |
|
| Alnus type 1 | Late Maastrichtian | Danian |
|
| Alnus elegans | Late Maastrichtian | Paleocene |
|
| Alnus rhombifolia | Paleogene | Neogene |
|
| Alnus sieboldiana | Early Tertiary | Early Tertiary |
|
| Alnus compacta | Paleogene | Neogene |
|
| Alnus speciipites | Paleocene | Late Neogene |
|
| Alnus serrulata | Early Tertiary | Neogene |
|
| Alnus vera | Early Tertiary | Early Oligocene |
|
| Alnus parva | Paleogene | Neogene |
|
| Alnus rubriformis | Paleocene | Early Pliocene |
|
| Alnus sp. Elsi.& Dilc.,1974 | Paleocene | Eocene |
|
| Alnus percuriosa | Paleogene | Neogene |
|
| Alnus gracilis | Danian | Danian |
|
| Alnus sp.3 | Early Tertiary | Early Tertiary |
|
| Alnus distincta | Paleogene | Neogene |
|