I.  Hayami, ?Lower Cretaceous marine pelecypods of Japan. Part 1?, Memoirs of the Faculty of Science, Kyushu University. Series D. Geology, vol. 15, pp. 221-349, 1965.

I.  Hayami, ?A systematic survey of the Mesozoic Bivalvia from Japan?, University Museum, University of Tokyo, Bulletin 10, vol. 10, 1975.

I.  Hayami, ?Lower Cretaceous marine pelecypods of Japan. Part 1?, Memoirs of the Faculty of Science, Kyushu University. Series D. Geology, vol. 15, pp. 221-349, 1965.