M.  Tamura, ?Trigoniidae, Ostreidae, Bakevelliidae, Pteriidae, Cardiidae and Astartidae from the Upper Jurassic Sakamoto Formation in Central kyushu, Japan?, Transactions and Proceedings of the Palaeontological Society of Japan, New Series, vol. 33, pp. 23-32, 1959.

M.  Tamura, ?Trigoniidae, Ostreidae, Bakevelliidae, Pteriidae, Cardiidae and Astartidae from the Upper Jurassic Sakamoto Formation in Central kyushu, Japan?, Transactions and Proceedings of the Palaeontological Society of Japan, New Series, vol. 33, pp. 23-32, 1959.