| Name | From | To | Age range |
|---|---|---|---|
| Alnus bremanoirensis | Late Paleocene | Early Eocene |
|
| Alnus scotia | Late Paleocene | Early Eocene |
|
| Alnus sp. Ande.,1960 | Maestrichtian | Paleocene |
|
| Alnus tetraporina | Maastrichtian | Paleocene |
|
| Alnus pentaporina | Maastrichtian | Paleocene |
|
| Alnus elegans | Late Maastrichtian | Paleocene |
|
| Alnus finitima | Maastrichtian | Danian |
|
| Alnus type 2 | Late Maastrichtian | Danian |
|
| Alnus type 1 | Late Maastrichtian | Danian |
|
| Alnus sp.2 | Late Cretaceous | Maastrichtian |
|