目　次 国立科学博物館研究報告 C類（地質学・古生物学） Bulletin of the National Science Museum Series C (Geology & Paleontology)		発行年月 ページ
研究報告 C類（地質学・古生物学） 15巻 第1号 Bulletin of the National Science Museum Series C (Geology & Paleontology) Volume 15 Number 1		March1989
	:	P.1
	Tatsuaki KIMURA, Tamiko OHANAI:
	Late Jurassic Plants from the Oginohama Formation, Oshika Group in the Outer Zone of Northeast Japan (I)
		P.25
	lkuwo 0BATA, Yoshitaro KAWASHITA, Seijuro MALYA, Yojiro TAKETANI, Masao FUTAKAMI, Tadashi SUZUKI:
	An Upper Cretaceous Plesiosaur (Family Elasmosauridae) from the Wakkanai area, Hokkaido
		P.33
	Keiichi ONO:
	A Bony-Toothed Bird from the Middle Miocene, Chichibu Basin, Japan