The Cambrian Fossils of Chengjiang China by Derek J Siveter pdf

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The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf free download

The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf free download. The finding in 1984 of the Chengjiang biota, in rocks of Early Cambrian age in Yunnan Province, China, was one of the most significant paleontological discoveries of the twentieth century.

The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf free download

The abundant and exquisite fossils, preserving fine details of the hard parts and soft tissues of animals and primitive plants approximately 525 million years old, are simply wondrous objects in their own right. More significantly, they are vital keys in helping to unravel the evolution of multicellular organisms during a period of time when such life forms first become common in the fossil record. The Chengjiang biota is well known to practitioners and students of geology and biology through many papers published in specialist journals and in volumes resulting from scientific meetings. Much of the primary documentation is in Chinese.

The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf free download

This is the first book in English to present an overview of the fauna, and has resulted from long established links between Professor Hou Xian-guang, the discoverer of the Chengjiang biota, and colleagues at the universities of Leicester and Oxford and the Swedish Museum of Natural History in Stockholm. The number of species known from the Chengjiang biota easily exceeds 100. Details on the authorship of each species and the date when it was established are given in the list at end of this book, together with synonyms and possible synonyms for those taxa that we are able to evaluate based on published information.

The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf free download

It was not intended that every known species should be treated herein. We have simply provided a selection, with phyla ordered in accordance with the phylogeny of Nielsen (2001), to illustrate the range and nature of the biota. The systematic position of many Chengjiang species within their phyla is controversial and has in some cases attracted widely different opinions. Within each phylum, therefore, the order of treatment of the species does not follow any one “favored” scheme; rather, they are arranged with generally “allied” taxa together. It is hoped that with the publication of this book the sheer beauty, diversity and scientific importance of these fossils from southwestern China will become more widely known and appreciated by scientists and the public at large

The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf free download

The Cambrian Fossils of Chengjiang China by Derek J Siveter, Xianguang Hou, David J. Siveter, Jan Bergström and Xiang-Hong Feng pdf

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