Baba, K. 1957. A revised list of the species of Opisthobranchia from the northern part of Japan, with some additional descriptions. J. Fac. Sci., Hokkaido Univ.,ser. 6, Zool. 13(1-4):8-14. に掲載されているウミウシ 32

A Revised List of the Species of Opisthobranchia from the Northern Part of Japan, with Some Additional Descriptions (With 6 Text-figures)

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