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

Jun Zhao; Yujing Li; Paul A. Selden; Peiyun Cong; Zhixin Yang

doi:10.2517/PR200047

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Jun Zhao,^1,2,3 Yujing Li,^1,3 Paul A. Seldenhttps://orcid.org/0000-0001-7454-4260,⁴ Peiyun Cong,^1,3 Zhixin Yang^1,3

¹Yunnan Key Laboratory for Palaeobiology, Institute of Palaeontology, Yunnan University (e-mail: )
²Yunnan Key Laboratory of International Rivers and Transboundary Eco-Security, Yunnan University
³MEC International Joint Laboratory for Palaeobiology and Palaeoenvironment, Institute of Palaeontology, Yunnan University, Kunming, Yunnan, 650091, China
⁴Gulf-Hedberg Distinguished Professor Emeritus, University of Kansas, 1457 Jayhawk Boulevard, Lawrence, KS 66045, USA

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.

Citation Download Citation

Jun Zhao, Yujing Li, Paul A. Selden, Peiyun Cong, and Zhixin Yang "A Sidneyia-Like Euarthropod from the Guanshan Biota (Cambrian Series 2, Stage 4), Eastern Yunnan, Southwest China," Paleontological Research 26(3), 327-335, (1 July 2022). https://doi.org/10.2517/PR200047

Received: 22 October 2020; Accepted: 15 April 2021; Published: 1 July 2022

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