Triridged Lobe Fossils from the Miaohe Biota from the Ediacaran Doushantuo Formation from Jiangkou County , Guizhou Province, SW China
详细信息
- 责任者：Zhao Yuanlong (College of Resource and Environment ; Guizhou University ; Guiyang 5500032 ; CHina) ; Wu Mengyin
- 刊名：Acta Micropalaeontologica Sinica
- 出版年：2010
- 卷期：27(4)
- 关键词：陡山沱组 ; Doushantuo Formation ; Invertebrata ; 贵州 ; Guizhou Province
- 页码：p.305-314
- 图表：1 plate, 51 refs.
- 分类号：1103
- issnNo：ISSN1000-0674
- isbnNo：CN32-1189/Q
摘要
In this paper, the authors report two new genera and species of the triridged lobe fossils of the Miaohe Biota collected in 2004 from the Ediacaran Doushantuo Formation, Wenghui Village, Jiangkou, northeastern Guizhou Province, South China. They are Triactindiscus sinensis gen. et sp. nov. and Quasitriagondiscus irregularis gen. et sp. nov. These forms represent trilobozoan animals with tri-radial symmetry in the Ediacaran System. However, upon close examination,there are obvious morphologic differences among these forms. The new findings indicate that trilobozoans extended their global geographic range quickly in a relatively short period of time and show high diversity in the Ediacaran System
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