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.

C. Broglio Loriga and Posenato, R., ?Adaptive strategies of Lower Jurassic and Eocene multivincular bivalves?, in Autecology of selected fossil organisms: achievements and problems, A.  Cherchi, Ed. Modena: Mucchi, 1996, pp. 45-61.

C. Broglio Loriga and Posenato, R., ?Adaptive strategies of Lower Jurassic and Eocene multivincular bivalves?, in Autecology of selected fossil organisms: achievements and problems, A.  Cherchi, Ed. Modena: Mucchi, 1996, pp. 45-61.

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.