西藏措勤泥盆纪一种多角形群体四射珊瑚  

A DEVONIAN CERIOID CORAL FROM COQEN,TIBET,CHINA

作　　者：廖卫华[1] 纪占胜[2] 武桂春[2] 

机构地区：[1]中国科学院南京地质古生物研究所,南京210008 [2]中国地质科学院地质研究所,北京100037

出　　处：《古生物学报》2014年第3期308-314,共7页Acta Palaeontologica Sinica

基　　金：科技部创新方法专项项目(2010IM031100);中国地质调查局矿产资源评价专项项目(121210911030;121211120140);中国地质科学院地质研究所中央级基本科研业务费项目(J1313);科技部基础性项目(2013FY111000)等资助的成果

摘　　要：文中描述了产自西藏措勤县的一种泥盆纪多角形群体四射珊瑚Argutastrea darwini(Frech)。该种曾广泛分布于欧洲的德国和奥地利以及欧亚交界处俄罗斯的乌拉尔山等地的中—上泥盆统(Givetian—Frasnian期)中。它的发现对于西藏措勤该化石产地地层时代的确定以及珊瑚动物地理区系的阐述都有十分重要的意义。The well known Qinghai-Tibetan plateau is the largest, youngest and highest plateau on Earth with an average height of over 4 000 m. The highest of several peaks on the plateau of over 8 000 m elevation is Mt Qomolangma （formerly known as Mr. Everest）, has an elevation of 8 848 m. Although the widespread Mesozoie marine deThe dissepimentarium is relatively narrow, consisting of 1-3 rows of small globose dissepiments. The tabularium is moderately wide and composed of complete and incomplete tabulae, which are flat, arched, curved or vesicular. Comparison The septal morphology, polygonal form and corallite diameter of the Tibet and Austrian （Hochlantsch, north Graz） specimens are closely similar. Only the short cuneiform septa of some corallites in specimens from Tibet differentiate the two populations. Locality and Horizon West flank of the Zongdui section （Coll. No. 081116） and Marzle （Coll. No. 081114）, Coqen County, Tibet, China; Middle-Upper Devonian.

关 键 词：四射珊瑚 锐星珊瑚 泥盆纪 措勤 西藏 

分 类 号：Q915[天文地球—古生物学与地层学]