Authors Year Title
Chao & Liang 1974 [Carboniferous Ammonoids]. In: Handbook of the Stratigraphy and Paleontology in Southwest China. [In Chinese].
Nanjing Institute of Geology and Palaeontology, Academia Sinica, 273-274, pl.140, Nanjing.
Ruan 1981b Carboniferous Ammonoid faunas from Qixu in Nandan of Guangxi.
Mem. Nanjing Inst. Geol. Palaeont., Acad. Sinica, 15: 153-232, fig.1-89, pl.1-15; Nanjing.