Genus Betula
- Species total:
- 131
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Betula paterna | Paleogene | Neogene |
|
| Betula papyrifera | Paleogene | Neogene |
|
| Betula ovalifolia | Pliocene | Pleistocene |
|
| Betula occidentalis | Paleogene | Neogene |
|
| Betula nigra | Tertiary | Neogene |
|
| Betula nanae | Early Senonian | Quaternary |
|
| Betula mollis | Late Cretaceous | Early Oligocene |
|
| Betula minuta | Danian | Danian |
|
| Betula middendorfii | Late Eocene | Middle Pleistocene |
|
| Betula microphylla | Early Paleocene | Early Paleocene |
|
| Betula microexcelsa | Cretaceous | Early Miocene |
|
| Betula megagranifer | Early Oligocene | Early Oligocene |
|
| Betula mediocris | Paleogene | Neogene |
|
| Betula meddendorffii | Pleistocene | Pleistocene |
|
| Betula maximowiczii | Pliocene | Pliocene |
|
| Betula magnoporus | Maastrichtian | Paleocene |
|
| Betula macrophylla | Paleocene | Paleocene |
|