Genus Betula
- Species total:
- 131
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Betula | Early Triassic | Quaternary |
|
| Betula sp | Middle Jurassic | Quaternary |
|
| Betula fucosa | Early Cretaceous | Paleocene |
|
| Betula ajatica | Early Cretaceous | Turonian |
|
| Betula claripites | Early Cretaceous | Late Neogene |
|
| Betula microexcelsa | Cretaceous | Early Miocene |
|
| Betula infucata | Cretaceous | Cretaceous |
|
| Betula ajakensis | Cenomanian | Cenomanian |
|
| Betula mollis | Late Cretaceous | Early Oligocene |
|
| Betula lofucata | Late Cretaceous | Late Cretaceous |
|
| Betula nanae | Early Senonian | Quaternary |
|
| Betula sp.3 | Late Senonian | Neogene |
|
| Betula sp.4 | Late Senonian | Neogene |
|
| Betula costataeformis | Maestrichtian | Miocene |
|
| Betula infrequens | Maastrichtian | Neogene |
|
| Betula magnoporus | Maastrichtian | Paleocene |
|
| Betula plicoides | Maestrichtian | Paleocene |
|