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New Occurrence of the Early Cambrian chengjiang fauna in Haikou, Kunming, Yunnan Province,and Study on Trilobitoidea

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Acta Geologica Sinica(English Edition) 1997年第2期71卷 122-132,231-232页

作者： Luo Huilin Hu Shixue Zhang Shishan and Tao Yonghe Yunnan Institute of Geological Sciences, Kunming Yunnan Kunyang Phosphorite Mine, Jinning, Yunnan

This paper gives a brief report on the new occurrence of the Early CambrianQiongzhusi' an chengjiang fauna in the Haikou area, Kunming and its assemblage feature andthe stratigraphic section of the horizon yielding these fossils. Eight genera and 8 species ofTrilobitoidea are described here, embracing Leanchoilia asiatica Luo et Hu (sp. nov.), Yohoiasinensis Luo et Hu (sp. nov.), Zhongxinia speciosa Luo et Hu (gen. et sp. nov.), Xandarellaspectuculum Hou et al., Dianchia mirabilis Luo et Hu (gen. et sp. nov.), Kuamaia lata Hou,Retifacies longispinus Luo et Hu (sp. nov.) and Sinoburius lunaris Hou et al.

关键词： Early Cambrian chengjiang fauna Trilobitoidea Kunming Yunnan

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"The chengjiang fauna and the Cambrian Explosion" Sponsord by NSFC won the first-class award of National Natural Sciences Award

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Science Foundation in China 2004年第1期12卷 24-25页

作者： Liu Y. Yao Y.P. The Department of Earth Science NSFC Beijing100085 The Department of Earth Science NSFC Beijing100085

　　"The chengjiang fauna and the Cambrian explosion'' sponsord by NSFC won the first-class award of National Natural Sciences Award. The Awarding ceremony was held in the Great Hall of the People in Beijing on February 20, 2004. "The chengjiang fauna and the Cambrian explosion" was sponsord by NSFC and carried out by several groups led by Prof. Chen Junyuan of the Nanjing Institute of Geology and Palaeontology,CAGS, Prof. Hou Xianguang of Yunnan University and Prof.……

关键词： Cambrian Explosion Cambrian explosion chengjiang fauna

Preliminary notes on soft-bodied fossil concentrations from the Early Cambrian chengjiang deposits

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Science Bulletin 2006年第20期51卷 2482-2492页

作者： HAN Jian1, SHU Degan1,2, ZHANG Zhifei1, LIU Jianni1, ZHANG Xingliang1 & YAO Yang1 1. Department of Geology and Key Laboratory for Continental Dynam- ics, Northwest University, Xi’an 710069, China 2. School of Earth Sciences and Resources, China University of Geo- sciences, Beijing 100083, China Department of Geology and Key Laboratory for Continental Dynamics Northwest University Xi''an 710069 China School of Earth Sciences and Resources China University of Geo-sciences Beijing 100083 China

The efforts of labor-intensive collecting in the Early Cambrian chengjiang deposits in eastern Yunnan Province, China led to the discovery of many horizons containing exceptionally well preserved soft-bodied fossil concentrations, many of which can be assigned to either monospecific concentrations or paucispecific concentrations. The features of these fossil concentrations support the hypothesis that frequent storm events producing tempestites mainly contributed to the preservation of abundant soft- bodied fossils in the chengjiang deposits, and indi- cate that the balance of the ecological web in this region was probably frequently destroyed or upset by such storm events during that geological time. Ani- mals in a fossil assemblage in such fossil concentra- tions probably occupied similar ecological biotopes.

关键词： Early Cambrian chengjiang fauna preservation soft- bodied fossil concentration (SFC).

Exceptionally preserved brachiopods from the chengjiang Lagerst(a|¨)tte(Yunnan,China):Perspectives on the Cambrian explosion of metazoans

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Science Foundation in China 2013年第2期21卷 66-80页

作者： ZHANG ZhiFei HOLMER Lars Erik State Key Laboratory of Continental Dynamics Early Life InstituteNorthwest University LPS Nanjing Institute of Geology and PalaeontologyChinese Academy of Sciences Department of Earth Sciences PalaeobiologyUppsala UniversityVillavgen 16SE-752 36 UppsalaSweden

The Cambrian explosion was coined to describe the geologically sudden appearance of numerous bilaterian body plans(Phyla)around the Ediacaran-Cambrian transition,around 565-520million years *** explanations and conjectures have been postulated in order to explain the pattern and duration of this explosive radiation of many different phyla of early ***,we focus on the evolution of a phylum of marine suspension-feeding animals—the brachiopods,as exemplified by the exceptionally preserved taxa from the celebrated chengjiang Konservat Lagerst(a|¨)tte(Yunnan,China).The abundant soft-bodied preservation at these fossil quarries gives us the only firm insights into what brachiopods looked like and how they functioned and lived when they first appeared on the *** of chengjiang brachiopods demonstrate that the early animals developed a remarkably varied organization of tissues and organs shortly after the onset of Cambrian *** the marine suspension-feeding brachiopods,most importantly the tentaculate feeding structure of early brachiopods is already differentiated into two shapes of lophophore,anteriorly coiled(spiralled)and posteriorly arching tentacle crowns and the unique latter type was previously not documented from fossil and living *** unlike any known Recent brachiopod,all the known Cambrian brachiopods from chengjiang have an open digestive tract that was disposed either as a Ushaped gut in linguliform and stem group brachiopods,or straight gut with a posterior anus in some calcareous-shelled ***,in contrast toliving lingulids,all the Cambrian brachiopods have an epibenthic lifestyle either cemented by a ventral valve or attached by variable pedicles to establish complex ecological community encompassing primary tierers and variable secondary *** is therefore assumed that brachiopods were the first benthic metazoan that achieved their success in ecological stratification and tiering complexity by lat

关键词： Cambrian explosion chengjiang fauna Metazoans Brachiopods Soft-tissue preservation

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