Otsuka, Hiroyuki


1 publication

Shikama, Tokio; Hasegawa, Yoshikazu; Otsuka, Hiroyuki (detail)
1973Geological range of mammals in the Japanese Neogene. In: Neogene biostratigraphy and radiometric dating of Japan.
Mem. Geol. Soc. Japan 8: 137-141. 2 figs.
—In Japanese; Engl. summ. Summarizes the stratigraphic ranges of Hydrodamalis sp., Desmostylus, and Paleoparadoxia.