| Name | From | To | Age range |
|---|---|---|---|
| Alnus tetraporina | Maastrichtian | Paleocene |
|
| Alnus tinctoria | Nd | Nd |
|
| Alnus trabeculosa | Late Eocene | Pleistocene |
|
| Alnus trina | Cretaceous | Tertiary |
|
| Alnus type | Eocene | Eocene |
|
| Alnus type 1 | Late Maastrichtian | Danian |
|
| Alnus type 2 | Late Maastrichtian | Danian |
|
| Alnus vera | Early Tertiary | Early Oligocene |
|
| Alnus verus | Middle Campanian | Early Pliocene |
|
| Alnus viridis | Sarmatian | Quaternary |
|