| Name | From | To | Age range |
|---|---|---|---|
| Alnus sp.1 Sedo.,1956 | Miocene | Miocene |
|
| Alnus sp.2 | Late Cretaceous | Maastrichtian |
|
| Alnus sp.2 Kruc.,1956 | Early Miocene | Early Miocene |
|
| Alnus sp.2 Roma.,1956 | Oligocene | Oligocene |
|
| Alnus sp.2 Sedo.,1956 | Early Miocene | Early Pliocene |
|
| Alnus sp.3 | Early Tertiary | Early Tertiary |
|
| Alnus sp.3 Kruc.,1956 | Early Miocene | Early Miocene |
|
| Alnus sp.3 Roma.,1956 | Miocene | Miocene |
|
| Alnus sp.3 Sedo.,1956 | Early Miocene | Early Miocene |
|
| Alnus speciipites | Paleocene | Late Neogene |
|
| Alnus speciites | Eocene | Eocene |
|
| Alnus specipites | Early Pliocene | Middle Pliocene |
|
| Alnus spectabilis | Paleogene | Neogene |
|
| Alnus subcordata | Paleogene | Neogene |
|
| Alnus subserrulata | Late Eocene | Miocene |
|
| Alnus subtilis | Paleogene | Neogene |
|
| Alnus suprema | Paleogene | Neogene |
|