Sakamoto, Masamichi

1 publication

Saito, Tsunemasa; Barron, John A.; Sakamoto, Masamichi (detail)
1988An early Late Oligocene age indicated by diatoms for a primitive desmostylian mammal Behemotops from eastern Hokkaido, Japan.
Proc. Japan Acad., Ser. B, 64(9): 269-273. 2 figs.
—Concludes that diatoms support the radiometric age (27-29 Ma) determined for the specimens of Behemotops sp. from the Morawan Formation.