TY - JOUR T1 - Liassic Bekevellia in Japan. (Studies on the Liassic pelecypods in Japan, 1) JF - Japanese Journal of Geology and Geography Y1 - 1957 A1 - Hayami, Itaru SP - 47 EP - 59 KW - bakevellia KW - bakevellidae KW - bivalvia KW - fossils KW - isognomon KW - isognomonidae KW - jurassic KW - lias KW - mollusca KW - paleontology KW - pterioida KW - pterioidea KW - taxonomy VL - 28 ER -