I.  Hayami, ?Liassic Bekevellia in Japan. (Studies on the Liassic pelecypods in Japan, 1)?, Japanese Journal of Geology and Geography, vol. 28, pp. 47-59, 1957.

I.  Hayami, ?Liassic Gervillia and Isognomon in Japan (Studies on the Liassic pelecypods in Japan, 2)?, Japanese Journal of Geology and Geography, vol. 28, pp. 97-106, 1957.

I.  Hayami, ?Liassic Volsella, Mytilus and some other dysodont species in Japan?, Transactions and Proceeddings of the Palaeontological Society of Japan, New Series, vol. 29, pp. 155-165, 1958.

B. G.  Gardiner, ?New Rhaetic and Liassic beetles?, Palaeontology, vol. 4 (Part 1), pp. 87-89, 1961.

M. M.  Cossmann, ?Note sur l'Infralias de la Vendée et des deux-sèvres (suite). II. - Pélécypodes?, Bulletin de la Société Belge de Géologique de France (4ème série), vol. 3, pp. 497-545, 1994.

C. Accorsi Benini and Loriga, C. Broglio, ?Lithiotis Gümbel, 1871 e Cochlearites Reis, 1903. 1. Revisione morfologica e tassonomica?, Bollettino della Società Paleontologica Italiana, vol. 16, pp. 15-60, 1977.

C. Accorsi Benini and Loriga, C. Broglio, ?Lithiotis Gümbel, 1871 e Cochlearites Reis, 1903. 1. Revisione morfologica e tassonomica?, Bollettino della Società Paleontologica Italiana, vol. 16, pp. 15-60, 1977.

M. M.  Cossmann, ?Note sur l'Infralias de la Vendée et des deux-sèvres (suite). II. - Pélécypodes?, Bulletin de la Société Belge de Géologique de France (4ème série), vol. 3, pp. 497-545, 1994.

B. G.  Gardiner, ?New Rhaetic and Liassic beetles?, Palaeontology, vol. 4 (Part 1), pp. 87-89, 1961.

I.  Hayami, ?Liassic Bekevellia in Japan. (Studies on the Liassic pelecypods in Japan, 1)?, Japanese Journal of Geology and Geography, vol. 28, pp. 47-59, 1957.

I.  Hayami, ?Liassic Gervillia and Isognomon in Japan (Studies on the Liassic pelecypods in Japan, 2)?, Japanese Journal of Geology and Geography, vol. 28, pp. 97-106, 1957.

I.  Hayami, ?Liassic Volsella, Mytilus and some other dysodont species in Japan?, Transactions and Proceeddings of the Palaeontological Society of Japan, New Series, vol. 29, pp. 155-165, 1958.