kweichouensis Assemblage is collected from the Kezilenuer Formation and the lower part of Qiakemake Formation, indicating an earlier Middle Jurassic age, probably ranging from Aalenian to Bajocian.

• kweichouensis组合产于克孜勒努尔组和恰克马克组下部,时代为中侏罗世早期,可能主要为阿林期至巴柔期;