The trace fossil assemblage of the Jidula Formation is referred to the Skolithos ichnofacies formed in high-energy subtidal shoreface and inte rtidal foreshore environments.

• 基堵拉组中的遗迹化石组合可归属于在高 能的潮下带的临滨和潮间带的前滨环境下产生的Skolithos遗迹相。