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Dickinsonia from the Ediacaran Dengying Formation in the Yangtze Gorges area, South China
Palaeoworld ( IF 1.7 ) Pub Date : 2021-01-23 , DOI: 10.1016/j.palwor.2021.01.002
Xiao-Peng Wang , Zhe Chen , Ke Pang , Chuan-Ming Zhou , Shuhai Xiao , Bin Wan , Xun-Lai Yuan

Dickinsonia is an iconic fossil of the Ediacara biota (~575–539 Ma). It was previously known from siliciclastic successions of the White Sea assemblage in Australia, Baltica, and possibly India. Here we describe Dickinsonia sp. from the terminal Ediacaran Shibantan Member limestone (ca. 551–543 Ma) of the Dengying Formation in the Yangtze Gorges area of South China. The stratigraphic distribution of Ediacara-type fossils in the Shibantan Member indicates that this biota uniquely preserves both the White Sea and Nama assemblages in stratigraphic succession. The new data presented here suggests that Dickinsonia had wider paleogeographic and paleoenvironmental distributions, implying its strong dispersal capability and environmental tolerance.



中文翻译:

华南扬子三峡地区埃迪卡拉纪灯影组的狄更逊

Dickinsonia是埃迪卡拉生物群的标志性化石(~575-539 Ma)。它以前是从澳大利亚、波罗的海,可能还有印度的白海组合的硅质碎屑岩系列中得知的。在这里我们描述Dickinsonia sp。来自华南扬子三峡地区灯影组埃迪卡拉纪十半滩末段灰岩(约551-543 Ma)。石斑滩段埃迪卡拉型化石的地层分布表明,该生物群在地层序列中以独特的方式保存了白海和那马组合。此处提供的新数据表明,狄更生具有更广泛的古地理和古环境分布,这意味着其强大的传播能力和环境耐受性。

更新日期:2021-01-23
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