Authors Year Title
Fujikawa & Ishibashi 1999 Carboniferous and Permian Ammonoids from Northern Thailand (Paleontological Study of Paleozoic Cephalopods in Southeast Asia - 1).
Memoirs of the Faculty of Science, Kyushu University, Series D, 30 (3): 91-110, 11 fig.,  pl.2-3, Fukuoka.
Liang & Guo 1982 Cephalopoda.
Paleontological Atlas of East China. Volume of Late Paeozoic: 257-307, fig.1-90, pl.103-118; Beijing.
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.
Zhao, Sheng & Yao 1981 The Changhsingian and Permian-Triassic Boundary of South China.
Bulletin of Nanjing Institute of Geology and Palaeontology, Academia Sinica, 2: 58-111, pl.1-16, 2 tabl.