Ogasawara, Kenshiro

5 publications

Takahashi, Shizuo; Tamiya, Ryoichi; Uyeno, Teruya; Ogasawara, Kenshiro; Akiba, Fumio; Saito, Tsunemasa (detail)

1983

[Report on the excavation of the great Yamagata sea cow.]
Yamagata Pref. Mus. Spec. Publ. (Yamagata, Japan): 1-76. 6 tabs. 22 figs. 16 pls. Mar. 31, 1983.
—In Japanese. Describes the history of discovery of the specimen (subsequently named Dusisiren dewana), with photos of the major skeletal elements (Takahashi, 2-39); the geology of the locality (Tamiya, 41-54); fossil sharks (Uyeno, 55-59); molluscs (Ogasawara, 61-63); diatoms (Akiba, 65-69); and sedimentary structures (Saito, 71-75).

Suzuki, Keiji; Hasegawa, Yoshikazu; Ogasawara, Kenshiro; Yomogida, Hiroshi; Hikichi, Katsumasa; Taniguchi, Satoru; Makuta, Kazuyoshi; Fujita, Takashi; Kawamura, Tomoyoshi; Yamaki, Zenbei; Kumasaka, Hiroko; Kato, Yoshiaki (detail)
1986a	New skeleton of Paleoparadoxia with stratigraphical and sedimentary environmental remarks in Yanagawa-town, Date-gun, Fukushima Prefecture, Japan. In: Essay in Geology (Prof. Makoto Kitamura Commemorative Volume): 453-464. 2 tabs. 4 figs. 1 pl. —In Japanese; Engl. summ.

Ogasawara, Kenshiro; Morita, Rihito (detail)
1987	Molluscan assemblage of the Yamagawa Formation, Fukushima Prefecture - co-occurred molluscs with Paleoparadoxia sp. Rept. Tohoku Branch, Geol. Soc. Japan No. 17: 26-27. —In Japanese.

Ogasawara, Kenshiro; Morita, Rihito (detail)

1990

A new Miocene gastropod species co-occurred with Paleoparadoxia specimens from the Yanagawa Formation, Fukushima Prefecture, northeast Honshu, Japan.
Saito Ho-on Kai Mus. Nat. Hist. Res. Bull. No. 58: 25-30. 1 tab. 1 fig. 1 pl. Dec. 25, 1990.
—Concludes that the Middle Miocene environment of deposition was near a shallow tidal or lagoonal area in a subtropical climate (minimum winter temperature about 15° C). See also Suzuki et al. (1986a, b).

Ogasawara, Kenshiro (detail)
2000	Paleoenvironments of desmostylid and Cenozoic events of the northwestern Pacific. In: Inuzuka et al. (eds.), Evolution of Desmostylia ... (q.v.). Bull. Ashoro Mus. Pal. No. 1: 25-34. 1 tab. 3 figs. Mar. 29, 2000. —In Japanese; Engl. summ.