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【Main Contents】
In the Kunming region,
the Chengjiang fauna-bearing strata of Lower Cambrian Heilinpu Formation,
especially the Yuanshan Member are well developed and widely spreaded,
having great potential in searching for new localities of the Chengjiang
fauna. From 1992 to 1998, sponsored by the Yunnan Provinceial science
& Technology Conmission and the Ministry of Geology and Mineral Resources,
we carried out searching and exploring of the Chengjiang fosssils round
the Kunming region, and about 5000 speciemens were collected at Haikou,
Kunming, including abundant soft-bodied arthropods and diversed worms,
lophophorates, sponges, brachiopods, hyolithes, macroalgal fossils, uncertain
taxa and ichnofossils.
This book gives a detailed introduction about the research history, stratigraphic
horizon and geographic distribution of Chengjiang fauna in the kunming
region. The classification and composition of the fauna are discussed
with comparison to that in the Chengjiang region. The paleoecology and
taphonomy of some early taxa are briefly reviewed. It is important to
note that a new softbodied fauna, named as Gaunshan fauna is here reported
for the first time from the Lower Cambrian Wulongqing Formation in the
Kunming region, and a comparison of its composition to the Chengjiang
and the malong faunas is made.
Altogether 111 species assigned to 101 genera of 18 fossil groups are
described from the Kunming region, among them 48 species and 36 genera
are new. They belong respectively to the Chengjiang and Guanshan faunas.
The new significant discovery greatly enriches the contents of early faunas
and is of great importance for understanding the geological and geographical
distribution of the Early Cambrian biotas in eastern Yunnan and their
paleoecological and taphonomic environments.
Contents
1. The Cambrian explosion of life
2. Features and kinds of biota assemblages of the Chengjiang fauna
3. Discovery and distribution of the Chengjiang fauna from Kunming region
4. The Chengjiang fauna in Haikou area, Kunming
5. Correlation of the fossil assemblages of the Chengjiang fauna between
Chengjiang and Kunming regions
6. Paleoecology and taphonomy of the Chengjiang fauna in Kunming region
7. The Guanshan fauna from Canglangpu Age of Early Cambrian in Kunming
region
8. Systimatic paleontology
9. Reference
10.Plates and explanation
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