| Name | From | To | Age range |
|---|---|---|---|
| Alnus cognita | Paleogene | Neogene |
|
| Alnus explicata | Paleogene | Neogene |
|
| Alnus habilis | Paleogene | Neogene |
|
| Alnus constans | Paleogene | Neogene |
|
| Alnus inopinata | Paleogene | Neogene |
|
| Alnus firma | Paleogene | Pleistocene |
|
| Alnus type 2 | Late Maastrichtian | Danian |
|
| Alnus type 1 | Late Maastrichtian | Danian |
|
| Alnus elegans | Late Maastrichtian | Paleocene |
|
| Alnus sp. Ande.,1960 | Maestrichtian | Paleocene |
|
| Alnus tetraporina | Maastrichtian | Paleocene |
|
| Alnus pentaporina | Maastrichtian | Paleocene |
|
| Alnus alternipora | Maastrichtian | Early Pliocene |
|
| Alnus finitima | Maastrichtian | Danian |
|
| Alnus pigmaeus | Maastrichtian | Maastrichtian |
|
| Alnus minuta | Late Campanian | Sarmatian |
|
| Alnus verus | Middle Campanian | Early Pliocene |
|