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山东枣庄峄城区石榴园寒武系馒头组顶部(徐庄阶)的三叶虫

TRILOBITES OF THE UPPERMOST PART OF THE MANTO FORMATION(HSUCHUANGIAN)AT THE SHILIUYUAN,YICHENG DISTRICT,ZAOZHUANG CITY,SHANDONG

【Author in Chinese】 袁金良李越

【Author】 YUAN Jin-liang;LI Yue;Nanjing Institute of Geology and Palaeontology,Chinese Academy of Sciences;

【Institution】 中国科学院南京地质古生物研究所

【Abstract in Chinese】 首次在山东馒头组上部发现徐庄期三叶虫Sinopagetiajinnanensis带和Sunaspis laevis-Sunaspidella rara带,其中Sunaspis laevis-Sunaspidella rara带从馒头组上部延伸到张夏组底部,也是迄今为止所发现的张夏组在华北地区最低层位。文中共描述三叶虫3目,10科,15属(亚属),14种,5未定种,1未定属种,其中有5新种:Sestrostega cylindricasp.nov.,Pseudinouyia shiliuyuanensis sp.nov.,Erratojincella?decorasp.nov.,Iranoleesia(Proasaphiscina?)subconicasp.nov.,Shanxiella(Shanxiella)latilimbatasp.nov.,对于华北地区与国内外同期地层对比及三叶虫的分类和系统演化具有重要意义。

【Abstract】 Sinopagetia jinnanensis Zone and Sunaspis laevis-Sunaspidella rara Zone from the uppermost part of the Manto Formation(Hsuchuangian)have been found for the first time in Shandong,of which Sunaspis laevis-Sunaspidella rara Zone ranges from the uppermost part of the Manto Formation to lowermost part of the Changhia Formation.The trilobites include 14 species,5indeterminate species,belonging to 15genera(subgenera),10 families,3orders,of which 5species are new:Sestrostega cylindrica sp.nov.,Pseudinouyia shiliuyuanensis sp.nov.,Erratojincella?decora sp.nov.,Iranoleesia(Proasaphiscina?)subconica sp. nov.,Shanxiella(Shanxiella)latilimbata sp.nov..The new findings possess very important significance for the coeval biostratigraphical correlation between North China and other regions as well as the classification,evolution of the trilobites.

【Fund】 973项目(2013CB835000);国家自然科学基金(41362002,41072002);国家自然科学青年基金(41402011)资助
  • 【CLC code】Q915
  • 【Downloads】145
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