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This paper provides descriptions of Calcigorgia gorgonians collected from the Sea of Okhotsk and shores of the Kurile Islands between 3 Aug. 1984 and 20 Aug. 1987. New species described are the deep-water gorgonians Calcigorgia matua sp. nov. and C. simushiri sp. nov., belonging to the temperate fauna of the North Pacific hemisphere. Specimens belonging to all species of the genus were examined and the distinctive characters for each one are provided and summarized in a table. A modified diagnosis of the genus is proposed. The finding of a previously undescribed species emphasizes the need of further surveys, particularly in shelf and deeper waters, in order to improve our knowledge of this neglected fauna in Far East seas.
The present paper records two new species of deep-sea soft corals, Heteropolypus annae sp. nov. and H. roseus sp. nov., from the area of the Kurile Islands, Sea of Okhotsk, Northwest Pacific. Distinctive characters for each new species are provided and depicted with scanning electron microscopy imaging. The present finding of previously undescribed species emphasizes the need for further surveys, particularly in deeper waters in the area to improve knowledge of the deep-sea Octocorallia fauna in the Far East seas. The distribution of species of Heteropolypus in the temperate Northwest Pacific and their taxonomy characters are discussed based on the published literature and own data. A modified diagnosis of the genus is proposed.