Author: Shikama, Y., & Ikeya, N., 1964.:
Title: On the variation of Chlamys islandicus from a part of the Setana Formation.
Description: Sci. Rep. Yokohama Univ., Sect. II, 11: pp. 29-54, 32 photos on 2 plates, 10 figs.,r efs. Paperbound, journal issue printer wrappers. Very good. - Pliocene.

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