Author: Kosuge S.,
Title: On an abnormal specimen of Unio japanensis Lea (Pelecypoda, Mollusca) with remarks on its generic position
Description: 1963. In 8vo, offp., pp. with 4 figs. Offprint from Bull. Natnl. Scvi. Mus. Tokyo, vol. 6 n. 3 (n. 52)

Keywords: shells molluscs freshwater mussels


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