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The Paleozoic strata in the Xinjiang area occur mainly in the Tianshan Mts., Kunlun Mts. And Altai Mts. Fold systems, with sediments predominantly of marine origin. The Mesozoic-Cenozoic strata are confined in the Junggar, Tarim and Turpan Basins as well as in some small intermontane basins, being all of continental origin except for the marine sediments of Upper Cretaceous and Lower Tertiary exposed in the west of the Tarim Basin. Ostracods are rich in both the Paleozoci and the Mesozoic-Cenozoic strata, but their distribution is far from homogeneous in time and space. By their occurrence in the strata, the ostracods persisting from Carboniferous to Quaternary are classified into the following the ostracods persisting from Carboniferous to Quaternary are classified into the follwing 18 assemblages. Those ostracods faunae whose biostratigraphic boundaries remaining for further study or those which are not able to be distinguished into independent assemblages, e. g. the ones of Ordovician through Devonian, are not discussed in this paper.

 

1.Preface
2.A Brief account of regional stratigraphy
(1)Ordovician System
(2)Silurian System
(3)Devonian System
(4)Carboniferous System
(5)Permian System
(6)Triassic System
(7)Jurassic System
(8)Cretaceous System
(9)Tertiary System
(10)Pleistocene Series
3.Assemblages and Distribution of Ostraoods
4.Systematic description
5.References
6.Abstract in English
7.Index of genera and species
8.Explanation of plates and plates

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