Authors Year Title
Chao, Chang & Liang 1962 [Lower and Middle Carboniferous Cephalopoda.] [In Chinese].
Handbook of Index Fossils of the Yangtse Area, p.103, 108, 133, pl.55, 57-58, 69.
Chao 1965 The Permian ammonoid-bearing formations of South China.
Scientia Sinica, 14 (12): 1813-1826, fig.1-4, pl.1-2; Beijing.
Liao 1978 Subclass Ammonoidea.[In Chinese].
Atlas of the Paleontology of Southwest China, Guizhou Province Part 2: Carboniferous-Quarternary: 380-439, pl.130-141; Beijing.
Sun 1939 The uppermost Permian ammonoids from Kwangsi and their stratigraphical significance.
40th Anniversary Papers of the National University of Peking, 35-49, 2 pl.
Xu & Wei 1977 Fossil Atlas of South-Central China, part 2, Cephalopoda. [In Chinese.]
Yichang Institute of Geology and Mineral Resources 1977:   p.537-582, pl.204-218, (Geological Publishing House).
Zhao, Liang & Zheng 1978 Late Permian cephalopods of South China.
Palaeontologica Sinica, 154, N.S.B,12: 1-194, fig.1-105, pl.1-34; Beijing.