Genus Quercus
- Species total:
- 221
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Quercus castaneifolia | Early Oligocene | Early Oligocene |
|
| Quercus oligocenensis | Oligocene | Oligocene |
|
| Quercus tuberculata | Oligocene | Late Neogene |
|
| Quercus converta | Oligocene | Oligocene |
|
| Quercus tenuis | Oligocene | Miocene |
|
| Quercus sp. Sigo.& Asat.,1956 | Oligocene | Oligocene |
|
| Quercus alnifoliiformis | Early Oligocene | Late Neogene |
|
| Quercus sp. Pokr.,1956 | Oligocene | Oligocene |
|
| Quercus sp. Roma.,1956 | Oligocene | Oligocene |
|
| Quercus glauca | Early Oligocene | Pleistocene |
|
| Quercus araciliformis | Oligocene | Oligocene |
|
| Quercus spinosa | Oligocene | Oligocene |
|
| Quercus sp.2 Sung.et al,1964 | Late Eocene | Middle Oligocene |
|
| Quercus sp.3 Sung.et al,1964 | Late Eocene | Middle Oligocene |
|
| Quercus sp. Sung et al,1964 | Late Eocene | Pliocene |
|
| Quercus pokrovskajae | Late Eocene | Late Eocene |
|
| Quercus sp.1 Sung et al,1964 | Late Eocene | Middle Oligocene |
|