- Author:
- Tokunaga,S.
- Year:
- 1956
- Title:
- Pollen analyses of some coal seams in the Akabira area, Ishikari Coal Field, Hokkaido
- Reference:
- Tokunaga,S. (1956) Pollen analyses of some coal seams in the Akabira area, Ishikari Coal Field, Hokkaido Bulletin of the Geological Survey of Japan (Chishitsu Chosajo Geppo) Vol. 7 # 3 P. 27- 38
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Betula | Betula | Japan(Hokkaido I.) | Early Tertiary | |
| Carya | Carya sp.1 sp. nov. | Japan(Hokkaido I.) | Early Tertiary | |
| Engelhardtia | Engelhardtia | Japan(Hokkaido I.) | Early Tertiary | |
| Carpinus | Carpinus | Japan(Hokkaido I.) | Early Tertiary | |
| Ostrya | Ostrya | Japan(Hokkaido I.) | Early Tertiary | |
| Tilia | Tilia sp | Japan(Hokkaido I.) | Early Tertiary | |
| Pterocarya | Pterocarya sp | Japan(Hokkaido I.) | Early Tertiary | |
| Alnus | Alnus sp | Japan(Hokkaido I.) | Early Tertiary | |
| Ulmus | Ulmus | Japan(Hokkaido I.) | Early Tertiary | |
| Juglans | Juglans | Japan(Hokkaido I.) | Early Tertiary | |
| Liquidambar | Liquidambar sp | Japan(Hokkaido I.) | Early Tertiary | |
| Buxus | Buxus | Japan(Hokkaido I.) | Early Tertiary | |
| Compositae | Compositae | Japan(Hokkaido I.) | Early Tertiary | |
| Inaperturopollenites | Inaperturopollenites | Japan(Hokkaido I.) | Early Tertiary | |
| Monoporopollenites | Monoporopollenites | Japan(Hokkaido I.) | Early Tertiary | |
| Tricolpopollenites | Tricolpopollenites | Japan(Hokkaido I.) | Early Tertiary | |
| Tricolporopollenites | Tricolporopollenites | Japan(Hokkaido I.) | Early Tertiary |