| details |
Turonian |
|
Japan(Hokkaido I.) |
Miki,A. Spores and pollen flora from the Middle Yezo Group in northern Hokkaido Japan |
1973 |
| details |
Campanian |
|
Japan(Hokkaido I.) |
Takahashi,K. Spore and pollen assemblages of the Upper Cretaceous Hakobuchi Group in Hokkaido, Japan. |
1965 |
| original |
Campanian |
|
Japan(Hokkaido I.) |
Takahashi,K. Spores and pollen of the Upper Cretaceous Hakobuchi Beds, Hokkaido. |
1964 |
| details |
Turonian |
|
Japan(Hokkaido I.) |
Miki,A. Spores and pollen flora from the Middle Yezo Group in northern Hokkaido, Japan. |
1973 |