滇东关山生物群中一种似悉尼虫的真节肢动物（寒武纪2系4期）

IF 1.3 4区地球科学 Q3 PALEONTOLOGY

Paleontological Research Pub Date : 2022-07-01 DOI:10.2517/PR200047

Jun Zhao, Yu-jing Li, P. Selden, Pei-yun Cong, Zhixin Yang

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引用次数: 0

摘要

摘要首次在劳伦蒂亚发掘出无经验的悉尼虫，从那时起，不同大陆都有类似悉尼虫和悉尼虫的真节肢动物的报道。在这里，我们描述了关山生物群中一种新的类似悉尼蛛的真节肢动物，其保存的背侧外骨骼和附肢类似于无经验蛛。关山生物群的发现为寒武系第4期似悉尼节肢动物的发现提供了新的数据点，为华南板块的第二次发现提供了依据。

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A Sidneyia-Like Euarthropod from the Guanshan Biota (Cambrian Series 2, Stage 4), Eastern Yunnan, Southwest China

Abstract. Sidneyia inexpectans was first excavated in Laurentia, and since then Sidneyia and Sidneyia-like euarthropods have been reported from different continents. Here we describe a new Sidneyia-like euarthropod from the Guanshan biota and, its preserved dorsal exoskeleton and appendages resemble those of S. inexpectans. The discovery in the Guanshan biota provides a new data point of Sidneyia-like euarthropod in Cambrian Stage 4 and a second occurrence on the South China plate.

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来源期刊

Paleontological Research PALEONTOLOGY-

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Paleonotological Research (PR) is a quarterly, peer-reviewed international journal, which focuses on original contributions primarily in the area of paleontology but also covering a wide range of allied sciences. It has been published since 1997 as a successor to the former journal Transactions and Proceedings of the Palaeontological Society of Japan. The emphasis of contributions will include global and local perspectives, and contents can cover all ages (Precambrian to the Quaternary, including the present time).