中国海盘海牛科(腹足纲,裸鳃目)一新记录属和一新记录种  

A NEW RECORD GENUS AND SPECIES OF DISCODORIDIDAE FROM CHINA(GASTROPODA,NUDIBRANCHIA)

作　　者：张树乾[1,2] 张素萍[1,2] ZHANG Shu-Qian;ZHANG Su-Ping(Laboratory of Marine Organism Taxonomy and Phylogeny,Qingdao Key Laboratory of Marine Biodiversity and Conservation,Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China;Center for Ocean Mega-Science,Chinese Academy of Sciences,Qingdao 266071,China)

机构地区：[1]中国科学院海洋研究所海洋生物分类与系统演化实验室、青岛市海洋生物多样性与保护重点实验室,山东青岛266071 [2]中国科学院海洋大科学研究中心,山东青岛266071

出　　处：《海洋与湖沼》2023年第5期1395-1400,共6页Oceanologia Et Limnologia Sinica

基　　金：山东省自然科学基金项目,ZR2021MD072号;国家自然科学基金重大项目,42090044号。

摘　　要：2021年3月在大连进行潮间带生物调查时采集到2个裸鳃类标本,经鉴定发现为欧氏针盘海牛Diaulula odonoghuei(Steinberg,1963),为中国新记录属和新记录种。在研究中对其进行了活体拍照,利用光学显微镜和扫描电子显微镜对其外部形态和内部解剖特征进行了观察。此外,测定了这两个标本的COI、16S rRNA和H3基因序列,将测得的基因片段与GenBank数据库中的针盘海牛属Diaulula的同源序列进行对比分析,构建了针盘海牛属的系统发育树。欧氏针盘海牛在我国沿海的发现,进一步丰富了中国海软体动物的物种多样性研究。During an investigation of the intertidal zone of Dalian,China,two nudibranch sea slugs were sampled.Morphological observations of the specimens suggest that they belong to Diaulula odonoghuei(Steinberg,1963).The genus and species are both new to Chinese waters.In this study,the specimens were photographed alive,and its externally morphology and internal anatomy were studied using light and scanning electron microscopies.Phylogenetic trees based on two mitochondrial(COI,16S rRNA)and nuclear(H3)genes using the Bayesian inference and maximum likelihood were reconstructed and analyzed.The discovery of Diaulula odonoghuei(Steinberg,1963)further expand the knowledge on the species diversity of molluscs in China seas.

关 键 词：针盘海牛属 欧氏针盘海牛 新记录种 DNA条形码 

分 类 号：Q959.212.5[生物学—动物学]