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I.  Kobayashi, ?Internal microstructure of the shell of bivalve molluscs?, American Zoologist, vol. 9, pp. 663-672, 1969.

L. R.  Cox and Hertlein, L. G., ?Superfamily Pinnacea Leach, 1819?, in Part N. Mollusca 6: Bivalvia, vol. 1, 3 vol., , Ed. Lawrence, Kansas: Geological Society of America and University of Kansas, 1969, pp. N281-N285.

G.  Bevelander and Nakahara, H., ?An electron microscope study of the formation of the nacreous layer in the shell of certain bivalve molluscs?, Calcified Tissue Research, vol. 3, pp. 84-92, 1969.

G.  Bevelander and Nakahara, H., ?An electron microscope study of the formation of the nacreous layer in the shell of certain bivalve molluscs?, Calcified Tissue Research, vol. 3, pp. 84-92, 1969.

I.  Kobayashi, ?Internal microstructure of the shell of bivalve molluscs?, American Zoologist, vol. 9, pp. 663-672, 1969.

J. D.  Taylor, Kennedy, W. James, and Hall, A., ?The shell structure and mineralogy of the Bivalvia. Introduction. Nuculacea-Trigonacea?, Bulletin of the British Museum (Natural History). Zoology, vol. Supplement, pp. 1-125, 1969.