七星列岛软体动物种类组成与区系

Species Composition and Fauna of Mollusca in Seven Star Islands

2012年11月至2013年11月期间,对七星列岛的软体动物种类进行调查,共发现软体动物102种,其中腹足纲61种,双壳纲25种,头足纲9种,多板纲6种,掘足纲1种.就区系而言,分布于我国沿岸的广温广布种34种,分布于东海和南海的亚热带种56种,南海的热带种9种,渤、黄海延伸到东海北部的暖温带种2种,1种未确定.区系性质属于印度-西太平洋区的中国-日本亚区.

The resources of mollusca in Seven Star islands are investigated during November 2012 to November 2013 and a total of 102 species of Mollusca are collected. Among them, 61 belong to Gastropods, 25 to Bivalves, 9 to Cephalopda, 6 to Polyplacophora and 1 to Scaphopoda. The mollusca is divided into the following four groups as far as the fauna: 34 hiroatsu and widespread species are distributed from the coastal China; 56 sub-tropical species in the East China Sea and South China Sea; 9 tropical species in the South China Sea; 2 warm temperate species in the Bohai Sea, Yellow Sea and Northern East China Sea and 1 species is undefined. The faunal character pertains to Chinese-Japanese sub-region, subordinating to Indo-Western-Pacific realm.