| Name | From | To | Age range |
|---|---|---|---|
| Alnus sp.2 | Late Cretaceous | Maastrichtian |
|
| Alnus finitima | Maastrichtian | Danian |
|
| Alnus type 2 | Late Maastrichtian | Danian |
|
| Alnus type 1 | Late Maastrichtian | Danian |
|
| Alnus sp. Ande.,1960 | Maestrichtian | Paleocene |
|
| Alnus tetraporina | Maastrichtian | Paleocene |
|
| Alnus pentaporina | Maastrichtian | Paleocene |
|
| Alnus elegans | Late Maastrichtian | Paleocene |
|
| Alnus bremanoirensis | Late Paleocene | Early Eocene |
|
| Alnus scotia | Late Paleocene | Early Eocene |
|
| Alnus quadropollenites | Eocene | Priabonian |
|
| Alnus sp. Elsi.& Dilc.,1974 | Paleocene | Eocene |
|
| Alnus feroniae | Late Eocene | Early Oligocene |
|
| Alnus vera | Early Tertiary | Early Oligocene |
|
| Alnus sp. Sung et al,1964 | Late Eocene | Middle Oligocene |
|
| Alnus sp. Sung.et al,1964 | Late Eocene | Middle Oligocene |
|
| Alnus scotica | Late Paleocene | Early Miocene |
|