Genus Betulaceae
- Species total:
- 6
- Age range:
- 141 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Betulaceae | Early Cretaceous | Quaternary |
|
| Betulaceae microexcelsus | Late Paleocene | Early Oligocene |
|
| Betulaceae sp | Cretaceous | Holocene |
|
| Betulaceae sp. Fran.,1961 | Pliocene | Pliocene |
|
| Betulaceae sp. Jerz.& Swee.,1986 | Maastrichtian | Early Paleocene |
|
| Betulaceae sp.BR-65 | Cretaceous | Cretaceous |
|