Chengkouia Lu, Chang et al., 1974

in Zhongguo Kexue Yuan, Nanking Dizhi Gushengwu Yanjiusuo [Acad. Sinica, Nanking Inst. Geol. Paleont. (Ed. )], Xinan diqu di gushengwu tuce. [A handbook of the stratigraphy and palaeontology in southwest China. ] Science Press, Peking: 91.