Specimens of Hydroid species described by the Showa emperor Hirohito.

Specimens of Hydroid species described by the Showa emperor Hirohito. - Tokyo : Showa Memorial Institute, National Science Museum, 2004. - iii, 139 p. - Catalogues of the Collections in the Showa Memorial Institute, National Science Museum ; n. 2 .

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Hydroida.

591.074