Yoshida Saburo

The Cretaceous-Tertiary Boundary In Eastern Hokkaido, Japan

Biostratigraphic Significance Of Late Cretaceous To Early Tertiary Planktonic Foraminifera In Japan (Proceedings Of The First International Conference On Planktonic Microfossils, Geneva ...

Upper Cretaceous Foraminifera From The Nemuro Group, Eastern Hokkaido, Japan

Fossil Footprints Of Birds From The Pliocene Formation In The Mogami Coal Field, Yamagata Prefecture

Planktonic Foraminifera From The Paleocene Kiritappu Formation And Its Biostratigraphic Significance