凯里动物群与我国早期后生动物演化的初步研究

作者所发现的中寒武世凯里动物群,属于带软躯体化石的布吉斯页岩型的动物群,是继云南澄江动物群之后我国发现的又一个早期后生动物群。它和新近发现的晚震旦世庙河生物群,分别填补了晚震旦世、中寒武世我国带软躯化石生(动)物群的空白,形成了我国多时期带软躯化石的生(动)物群体系。对于研究我国及世界早期后生动物演化并不断揭示其演化规律有重要意义。

PRELIMINARY STUDY ON KAILI FAUNA AND EVOLUTION OF EARLY METAZOAN IN CHINA

There are 8 phyla fossils including porifera, Coelenterata, Annelida, Mollusca, Arthropoda, Brachiopoda, Echinodermata, Alage in middle-upper part of Kaili Formation (Lower-Middle Cambrian) discovered in Taijiang, Guizhou. The authors now rename these fossils Kaili Fauna. Kaili Fauna belongs to Burgess Shale type fauna which was fossilized soft-bodied fauna, is another important discovery after the discovery of Chengjiang Fauna of Yunnan, China. There are longer geologic range, more sort and more geologic position of Early Metazoan in China, main Early Matazoan in China, main Early Metazoan of different periods have Jixian Fauna(middle proterozoic, Huainan Biota (Early Sinian), Miaohe Biota (late Sinian), Chengjiang Fauna (Early Cambrian), Kaili Fauna (Middle Cambrian).It is of great significance to the study of Early Metazoan, and it has been filling up the gap of some early biota, revealing the new evolution law of Early Metazoan and providing correctly biostratigraphic classification and international correlation of Precambrianin China and the whole globe.