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March 8, 2014
Table of Contents
1 Introduction
Maotianshan shales

Wikipedia

 
The Maotianshan shale is an early Cambrian rock formation exposed in the Yunnan Province of China in the villages of Ercaicun and Chengjiang near the city of Kunming.

These shales appear very early in the Cambrian sequence in China. They were discovered around 1984 and have been extensively studied by both Chinese and Western paleontologists. The shales contain a very broad and well-preserved Fauna (animals)|fauna including many of the taxa found in the better known, and substantially younger, Burgess Shale of British Columbia. The fauna is often referred to as "the Chengjiang biota".

In addition to Anomalocaris, Opabinia, Hallucigenia, and other spectacular forms familiar from the burgess shale|Burgess shales, the Maotianshan shales include at least four possible types of chordata|chordates, two of which appear to be true fish|fishes. See Haikouella, Haikouichthys, Yunnanozooan, Myllokunmingia. More mundane forms such as trilobites, brachiopoda|brachiopods, and porifera|sponges are also present. The Maotianshan shales provide even stronger evidence than does the Burgess shale for a Cambrian Explosion wherein a large number of very different animal body plans seem to have appeared in a disconcertingly short time interval.



  • Lagerstätten

  • Geography of China

  • The book Wonderful Life


Category:Paleontology

zh:澄江动物群

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Maotianshan shales".


Last Modified:   2005-04-13


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