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2. Yabepecten and Pseudamiantis from the Shigarami Formation in Nagano Prefecture, Central Japan;Amano,1988
3. An Omma-Manganjian Bivalvia, Profulvia kurodai (Sawada), from the Plio-Pleistocene strata of Japan;Amano;Bull. Joetsu Univ. Educ.,1992
4. Molluscan fossil assemblages of the Kazusa Group, South Kwanto, central Japan;Baba,1990
5. Paleoclimatology;Crowley,1991