This paper is divided into 8 parts: 1. Introductory notes, 2. Brief account on stratigraphical sections, 3. Subdivision and zonation of the Cambrian strata, 4. Boundaries of the Cambrian system in western Zhejiang, 5. Correlation of the Cambrian in western Zhejian, 6. Criteria of the Cambrian trilobite fauna of western Zhejiang in the provincialism of the Cambrian World, 7. Relationships between the palaeoecology and the sedimentary environments, 8. Systematic descriptions. Reported herein are 6 sttatigraphic sections of Cambrian, containing the Hotang Formation, Dachenling Formation, Yangliugang Group, Huayansi

This paper is divided into 8 parts: 1. Introductory notes, 2. Brief account on stratigraphical sections, 3. Subdivision and zonation of the Cambrian strata, 4. Boundaries of the Cambrian system in western Zhejiang, 5. Correlation of the Cambrian in western Zhejian, 6. Criteria of the Cambrian trilobite fauna of western Zhejiang in the provincialism of the Cambrian World, 7. Relationships between the palaeoecology and the sedimentary environments, 8. Systematic descriptions. Reported herein are 6 sttatigraphic sections of Cambrian, containing the Hotang Formation, Dachenling Formation, Yangliugang Group, Huayansi