Wengania globosa在陕西勉县茶店陡山沱组磷块岩中的发现 |
| |
引用本文: | 肖书海 诺尔.安. Wengania globosa在陕西勉县茶店陡山沱组磷块岩中的发现[J]. 微体古生物学报, 1999, 16(3): 259-266 |
| |
作者姓名: | 肖书海 诺尔.安 |
| |
基金项目: | 中国国家自然科学基金委提供!(项目号 :4 9772 0 81,主持人 :张录易 ),美国哈佛大学个体与演化生物系提供 |
| |
摘 要: | 本文报道陕西勉县茶店陡山沱组磷块岩中的疑源多细胞生物化石,其中Wenganiaglobosa属于首次报道。勉县茶陡山组磷块岩中的化石组合与贵州瓮安陡山沱组与可以直接对比,进一步了此两地的磷块岩属同期沉积产物。这一发现表明新元古代磷块岩中可能保存了多细胞生物早期演化中最精采的章节,因而进一步深入研究陡山沱组磷块岩大有必要。本文还讨论了疑在Meghystrichosphaeridium chadian
|
关 键 词: | 疑源类 多细胞生物化石 末元古代 陡山沱组 |
THE DISCOVERY OF Wengania globosa IN DOUSHANTUO PHOSPHORITES IN CHADIAN, SHAANXI PROVINCE |
| |
Abstract: | The acritarch Meghystrichosphaeridium chadianensisand,for the first time,the mul- ticellular eukaryote Wengania globosa are described from the Doushantuo phosphorites in Chadian,Mianxian,Shaanxi Province. The phosphatized fossil assemblage in Chadian shows a close similarity to that of the Doushantuo phosphorites in Weng' an,Guizhou Province,confirming their coevality.The discovery of a second locality of the Weng' an- type Doushantuo Lagerstatte in Chadian testifies that perhaps the most importantchapter in the early evolution of multicellularity can be retrieved from Neoproterozoic phospho- rites,and urges more systematic and detailed study on Doushantuo phosphorites in South China.The paleoecology and biological affinities of Meghystrichosphaeridium chadianensis and Wengania globosa remain uncertain |
| |
Keywords: | acritarch multicellular organism terminal proterozoic Doushantuo Formation phosphorite Shaanxi |
本文献已被 维普 等数据库收录! |