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EARLY PALEOZOIC FLATTENED HYOLITHS OF THE YANGTZE PLATFORM
Author(s): 
Pages: 353-361,图版Ⅰ-图版Ⅱ
Year: Issue:  4
Journal: ACTA MICROPALAEONTOLOGICA SINICA

Keyword:  软舌螺早古生代扬子地台;
Abstract: 该文的标本采自云南昆明、晋宁下寒武统筇竹寺组,龙陵上寒武统核桃坪组、柳水组和江苏江宁上奥陶统顶部"新开岭层".文中描述了软舌螺化石4属5种,1未定种.其中3新属3新种,再次丰富了早古生代碎屑岩地层中的软舌螺化石,对探讨软舌螺类演化进程,确定时代,进行地层对比均有重要价值.
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