Palaeontological Society of Japan
ISSN 0031 -0204 Transactions and Proceedings of the Palaeontological Society of Japan New Series No. 147 Palaeontological Society of Japan October 30.1987 Co-Editors Hisayoshi IGO and Tsunemasa SAITO Officers for 1987-1988 President: Tatsuaki KIMURA Honorary President: Teiichi KOBA YASH I Councillors: Kiyotaka CHINZEI, Takashi HAMADA, Yoshikazu HASEGAWA, Itam HAYAMI, Hisayoshi lGO, Junji lTOIGAWA, Tadao KAMEl, Tatsuaki KIMURA, Tamio KOTAKA, Kei MORI, Ikuwo OBATA, Tsunemasa SAITO, Yokichi TAKAYANAGI, Kazushige TANABE, Toshimasa TANAI Members of Standing Committee: Kiyotaka CHINZEI (Membership), Takashi HAMADA (For eign Affairs), ltaru HAYAMI (Finance), Hisayoshi lGO (Co-Editor of Transactions), lkuwo OBATA (General Affairs), Sumio SAKAGAMI (Co-Editor of Special Paper), Kazushige TANABE (Planning), Yokichi TAKAYANAGI (Editor of "Fossils"), Juichi YANAGIDA (Co-Editor of Special Paper) Secretaries: Katsumi ABE (Planning), Takeshi ISHIBASHI (Special Paper), Kunihiro ISHIZAKI ("Fossils"), Tomoki KASE (General Affairs and Membership), Hiroshi NODA (Editor of Transactions), Terufumi OHNO (Membership), Tatsuo OJ! (Planning), Kazuhiko UEMURA (General Affairs), Toshiyuki YAMAGUCHI (Finance) Auditor: Noriyuki lKEYA The fossil on the cover is Vicarya yokoyamai Takeyama, an Early Middle Miocene gastropod from the Kurosedani Formation at Kakehata, Yatsuo-cho, Nei-gun, Toyama Prefecture, central Japan (Collected by T. Kotaka and K. Ogasawara, lGPS No. 99075, photo by S. Ohtomo and Y. Kikuchi, xO.9). All communication relating to this journal should be addressed to the PALAEONTOLOGICAL SOCIETY OF JAPAN % Business Center for Academic Societies, Yayoi 2-4-16, Bunkyo-ku, Tokyo 113, Japan Trans. Proc. Palaeont. Soc. Japan, N. S., No. 147, pp. 91-108,7 Figs., October 30,1987 832. CRETACEOUS EOMIODON AND COSTOCYRENA (BIVALVIA) FROM SOUTHWEST JAPAN MASA YUKI TASHIRO Department of Geology, Faculty of Science, Kochi University, Kochi 780 Abstract.
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