中国海背肛虫属Notopygos(多毛纲,仙虫科)两新纪录种

Two New Species of Notopygos(Polychaeta,Amphinomidae)from China Sea

记述了中国海背肛虫属Notopygos仙虫科Amphinomidae两新纪录种——厚唇背肛虫Notopygos labiatus McIntosh，1885和安氏背肛虫Notopygos andrewsi Monro，1924。前者在中越北部湾海洋综合调查（1959-1962年）时，采集于广西北部湾潮下带；后者在全国海洋综合调查（1958-1960年）时，采集于西沙群岛潮间带。标本均保存在中国科学院海洋研究所海洋生物标本馆。本文对两新种的外部形态特征进行了仔细观察并描记。

Two species of genusNotopygos (Polychaeta,Amphinomidae),Notopygos labia-tus McIntosh,1885 and Notopygos andrewsi Monro,1924,are firstly reported in China Sea. Notopygos labiatus were collected during the “China-Vietnam cooperative expedition of marine resource to Beibu Gulf”(1959~1962).Notopygos andrewsi collected from Xisha Islands during the “National Comprehensive Oceanography Survey”(NCOS,1958~ 1960).All the materials are deposited in the Marine Biological Museum of Chinese Academy of Sciences (MBMCAS)in Qingdao,China.The two species are fully described and illustrated in this paper.