Intertidal Bivalved Molluscs Collected from the Eastern Caroline and Marshall Islands, Western Pacific(Zoological Result of the Expedition to the North Equatorial Current Areas : II. Reef-Associated Fauna in the Truk Islands, Ponape (Eastern Caroline Islands) and Majuro Atoll (Marshall Islands), from June through August, 1982)

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  • 西太平洋東カロリン群島およびマーシャル群島産浅海棲二枚貝(北赤道海流域における海産動物相調査報告 : II.1982年6〜8月の調査によるトラック請島,ポナペ島とマジュロ環礁のサンゴ礁動物相の研究)
  • 西太平洋東カロリン群島およびマーシャル群島産浅海棲二枚貝〔英文〕
  • ニシ タイヘイヨウ ヒガシ カロリン グントウ オヨビ マーシャル グントウサ

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In this paper 112 bivalved molluscs collected in intertidal to upper subtidal zones of the Truk Islands, Ponape Island and Majuro Atoll, the tropical Western Pacific, are reported with illustrations or brief descriptions. Faunal diversity of oceanic Caroline and Marshall Islands is smaller than those of continental islands. The fauna is characterized by large number of species of the Veneridae, Tellinidae, Arcidae, Cardiidae, Lucinidae and Mytillidae. The faunal composition is close to that of other Indo-Western Pacific waters, but far different from the Central Pacific Hawaiian fauna. Of 102 bivalve species identified 91% apparently extend their ranges to the Ryukyu Islands and 59% also to the Kii Peninsula, Japan. None of the collection are endemic to eastern Caroline and Marshall Islands.

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