2009年第4期目录
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封面故事：八臂仙母虫模式标本及复原图。八臂仙母虫（Eoandromeda octobrachiata）化石产自贵州省江口县桃映镇翁会震旦系剖面陡山沱组上部，是首次确定的八辐射螺旋体制后生动物化石。该发现确立了峡东地区“庙河生物群”原来被定为旋掘迹的化石为八辐射动物的真实属性，为与澳大利亚埃迪卡拉生物群的对比提供了重要证据。这项由中国地质科学院地质研究所尹崇玉研究员主持的研究成果，当选2008年度中国地质科学院十大科技进展。详见本期第421-432页。(照片提供：尹崇玉)
Cover Story：The holotype of Eoandromeda octobrachiata and a tentative reconstruction. The fossil of Eoandromeda octobrachiata was found in the upper part of the Doushantuo Formation in Wenghui, Taoying Town, Jiangkou County, Guizhou Province, which is the first defined eight- radiated and spiral metazoan fossil. This discovery has confirmed that the trace fossil Eilscaptichnus of the Miaohe biota found in the Yangtze Gorges is exactly an eight-radiated animal, which provides important evidence for the correlation with the Ediacara biota in Australia. The research achievement directed by Professor YIN Chong-yu, Institute of Geology, Chinese Academy of Geological Sciences, ranks “Top Ten Scientific and Technological Progresses of CAGS in 2008”. For details, see pp.421-432. (Photo by YIN Chong-yu)
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