A.  Seilacher, ?Self-organizing mechanisms in morphogenesis and evolution?, in Constructional morphology and evolution, N.  Schmidt-Kittler and Vogel, K., Eds. Berlin and Heidelberg: Springer-Verlag, 1991, pp. 251-271.

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, ?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.