1896 - 1983, japan. Paläontologe; 1921-1933 Research Associate, 1933 Lecturer, 1935-1960 Professor am Institute of Geology and Paleontology der Tōhoku University, 1941 Prof. für historische Geology
1906 - 1978,
1880 - 1936,
1896 - 1983, japan. Paläontologe; 1921-1933 Research Associate, 1933 Lecturer, 1935-1960 Professor am Institute of Geology and Paleontology der Tōhoku University, 1941 Prof. für historische Geology
1906 - 1978,
1880 - 1936,