|  |  | 1996 | New material of sirenian fossil from the upper Miocene of Numata-cho, Hokkaido, Japan. 
					Fossils No. 60: 1-11. 3 tabs. 10 figs. June 30, 1996.
					–In Japanese; Engl. summ. Reports a partial postcranial skeleton of Dusisiren sp. from the Mashike Formation, Shintotsukawa Group. |