Early Cambrian Yangtze plate Maotianshan shale macrofauna biodiversity and the evolution of predation
Chen, Junyuan (陈均远); Waloszek, Dieter; Maas, Andreas; Braun, Andreas; Huang, Diying (黄迪颖); Wang, Xiuqiang; Stein, Martin
2007-10-08
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
卷号254期号:1-2页码:250-272
摘要

The large number of soft-part preserved fossils from the Lower Cambrian Maotianshan Shale (Chengjiang) Lagerstatten suggests particularly favourable conditions for a rich life on the shelf-zone sea bottom of the Yangtze Plate, China. This high degree of biodiversity opens an excellent window into the early radiation phase of Metazoa and represents a significant data source for the study of adaptive strategies among early animals. Feeding and locomotion are the main life strategies of organisms we investigated with regard to two major benthic macrofaunal components of the Maotianshan Shale biota, the nemathelminths and the arthropods. Our attempt was to test whether food, feeding and locomotory strategies of the benthic Lower Cambrian shallow-water communities were as diversified as it appears from the morphological diversity of the organisms present. Two major types of feeders can be discerned: suspension/micro-particle feeders-mostly epibenthic sedentary taxa-and larger-particle feeders, living in benthic to bentho-pelagic realms. Scant evidence exists for exclusive vegetarians, fungi eaters, biomat utilizers and for in-faunal vertical burrowers or grazers (bioturbators). Predation, in a wider sense, seems to be a, if not the, major feeding mode among metazoans. Nemathelminths and arthropods are amongst the best examples. In the benthic shallow-water regime, as exposed by the Maotianshan Shale biota, animals and their ontogenetic stages were the most suitable and readily available food source. At least for arthropods, we propose that improvement of predatory strategies was paralleled by the enhancement of locomotory and food manipulation structures. Accumulating evidence of late Precambrian to Early Cambrian metazoans exposing diverse morphologies and life styles indicates that, on the large scale, phylogenesis progressed gradually in the Late Precambrian. This renders an "explosive" radiation of Metazoa unlikely. (c) 2007 Elsevier B.V. All rights reserved.

关键词Arthropoda Nemathelminthes Feeding And Locomotion Predation
DOI10.1016/j.palaeo.2007.03.018
语种英语
关键词[WOS]Southwest China ; Burgess Shale ; British-columbia ; Southern Shaanxi ; Stem-lineage ; Sw China ; Molecular-biology ; Microbial Mats ; Arthropod Head ; Trace Fossils
WOS研究方向Physical Geography ; Geology ; Paleontology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:000250694700013
出版者ELSEVIER SCIENCE BV
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/79
专题中国科学院南京地质古生物研究所
其他
通讯作者Waloszek, Dieter
作者单位1.Univ Ulm, Sect Biosystemat Documentat, D-98081 Ulm, Germany
2.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, Lab Paleontol & Stratig, Nanjing 210008, Peoples R China
3.Univ Bonn, Inst Paleontol, D-53115 Bonn, Germany
4.Nanjing Univ, Coll Life Sci, Lab Pharmaceut Biotechnol, Nanjing 210093, Peoples R China
5.Uppsala Univ, Dept Earth Sci, S-75236 Uppsala, Sweden
推荐引用方式
GB/T 7714
Chen, Junyuan ,Waloszek, Dieter,Maas, Andreas,et al. Early Cambrian Yangtze plate Maotianshan shale macrofauna biodiversity and the evolution of predation[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2007,254(1-2):250-272.
APA Chen, Junyuan .,Waloszek, Dieter.,Maas, Andreas.,Braun, Andreas.,Huang, Diying .,...&Stein, Martin.(2007).Early Cambrian Yangtze plate Maotianshan shale macrofauna biodiversity and the evolution of predation.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,254(1-2),250-272.
MLA Chen, Junyuan ,et al."Early Cambrian Yangtze plate Maotianshan shale macrofauna biodiversity and the evolution of predation".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 254.1-2(2007):250-272.
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