- Author:
- Tokunaga,S.;Onoe,T.
- Year:
- 1961
- Title:
- Pollen analyses of Coal Seams in some Coal Fields around the Ishikari Plain.
- Reference:
- Tokunaga,S. et al. (1961) Pollen analyses of Coal Seams in some Coal Fields around the Ishikari Plain. Bulletin of the Geological Survey of Japan (Chishitsu Chosajo Geppo) Vol. 12 # 10 P. 65- 69
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Betula | Betula | Japan(Hokkaido I.) | Oligocene | |
| Pterocarya | Pterocarya sp | Japan(Hokkaido I.) | Oligocene | |
| Alnus | Alnus sp | Japan(Hokkaido I.) | Oligocene | |
| Juglans | Juglans sp | Japan(Hokkaido I.) | Oligocene | |
| Polypodiaceae | Polypodiaceae | Japan(Hokkaido I.) | Oligocene | |
| Onoclea | Onoclea | Japan(Hokkaido I.) | Oligocene | |
| Ilex | Ilex sp | Japan(Hokkaido I.) | Oligocene | |
| Rhus | Rhus sp | Japan(Hokkaido I.) | Oligocene | |
| Carya | Carya sp | Japan(Hokkaido I.) | Oligocene |