Genus Betula
- Species total:
- 131
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Betula sp. McIn.,1985 | Early Eocene | Pleistocene |
|
| Betula sp. Brat.,1966 | Eocene | Eocene |
|
| Betula tortusa | Eocene | Eocene |
|
| Betula renata | Paleogene | Neogene |
|
| Betula bifida | Paleocene | Miocene |
|
| Betula eramaniformis | Paleocene | Middle Oligocene |
|
| Betula alnoides | Paleogene | Neogene |
|
| Betula sp.2 | Early Tertiary | Pleistocene |
|
| Betula sp.5 | Paleogene | Neogene |
|
| Betula probabilis | Paleogene | Neogene |
|
| Betula sp.1 | Early Tertiary | Pleistocene |
|
| Betula papyrifera | Paleogene | Neogene |
|
| Betula nigra | Tertiary | Neogene |
|
| Betula ermanii | Early Tertiary | Early Pliocene |
|
| Betula lenta | Paleogene | Neogene |
|
| Betula secreta | Paleogene | Neogene |
|
| Betula imitabilis | Paleogene | Neogene |
|