| details |
Coniacian |
Santonian |
Japan(Hokkaido I.) |
Takahashi,K. Spore and pollen assemblages from the Upper Cretaceous Futuba Group, northeast Japan. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Campanian |
|
Japan(Hokkaido I.) |
Takahashi,K. Spore and pollen assemblages of the Upper Cretaceous Hakobuchi Group in Hokkaido, Japan. |
1965 |
| details |
Campanian |
Maastrichtian |
Japan(Hokkaido I.) |
Takahashi,K. Spores and pollen of the Upper Cretaceous Hakobuchi Beds, Hokkaido. |
1964 |
| details |
Campanian |
|
Japan(Hokkaido I.) |
Takahashi,K. Upper Cretaceous and Lower Paleogene microfloras of Japan. |
1967 |