Sakamoto, Osamu


4 publications

Sakamoto, Osamu (detail)
1983On the occurrence of the two skeletons of Paleoparadoxia tabatai (Tokunaga) from Chichibu Basin, central Japan.
Bull. Saitama Mus. Nat. Hist. No. 1 (C. No. 19): 17-26. 1 tab. 5 figs. 2 pls. Mar. 1983.
—In Japanese; Engl. summ.
Sakamoto, Osamu (detail)
1987[Present status of marine mammal fossils from the Chichibu Basin.] In: Y. Hasegawa (ed.), [Study on fossil marine mammals from Japan. (Subject of study) Studies on biostratigraphy and paleontology of Cenozoic marine mammals.]
Japan, Ministry of Education, Aid for Scientific Study, Synthetic Study A, Subject No. 61304010: 12-14. 1 fig. March 1987.
—In Japanese.
Sakamoto, Osamu (detail)
1988[Metatarsal of Paleoparadoxia from the northeastern Chichibu Basin.] In: Y. Hasegawa (ed.), [Study on fossil marine mammals from Japan. (Subject of study) Studies on biostratigraphy and paleontology of Cenozoic marine mammals.]
Japan, Ministry of Education, Aid for Scientific Study, Synthetic Study A, Subject No. 61304010: 105-106. 2 figs. March 1988.
—In Japanese.
Hasegawa, Yoshikazu; Taketani, Yojiro; Taru, Hajime; Sakamoto, Osamu; Manabe, Makoto (detail)
1995On sexual dimorphism in Paleoparadoxia tabatai.
The Island Arc 3(4): 513-521. 2 tabs. 4 figs. "Dec. 1994" (publ. Nov. 1995).