Authors Year Title
Bogoslovskaya 1990 Osnovye puti razvitiya i klassifikatsiya pozdnepaleozoyskikh ammonoidey Marathonitaceae i Cyclolobaceae.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 243: 70-86, fig.1-3; Moskva.
Glenister, Nassichuk & Furnish 1979 Ammonoid successions in the Permian of China.
Geological Magazine, 116 (3): 231-239, fig.1-4; London.
Liang & Guo 1982 Cephalopoda.
Paleontological Atlas of East China. Volume of Late Paeozoic: 257-307, fig.1-90, pl.103-118; Beijing.
Zhao & Zheng 1977 The Permian ammonoids from Zhejiang and Jiangxi.
Acta Palaeontologica Sinica, 16 (2): 217-254, 20 figs., pl.1-5; Beijing.
Zhao 1980 Origin, classification, evolution and distribution of the family Cyclolobidae.
Acta Paleontologica Sinica, 19 (2): 79-90, fig.1-5, tab.1-2; Beijing.
Zhou, Zhu & Li 1995 Permian Maokouan nearshore sea of South China and its ammonoid fauna. [Zhou Zuren, Zhu De-shou, Li-Fuyu & Hu Yao-hua. In Chinese, with English Summary].
Acta Palaeontologia Sinica, 34 (5): 525-548, 6 fig., 4 pl., Nanjing.