Authors Year Title
Frech 1897- Lethaea geognostica oder Beschreibung und Abbildung der für die Gebirgs-Formationen bezeichnendsten Versteinerungen. I. Theil. Lethaea palaeozoica. 2. Band.
35pls, 6maps, 551figs.; Stuttgart.
Liang 1976 Carboniferous and Permian ammonoids from the Mount Jolmo Lungma region. Ca Report on Scientific expedition in the Mount Iolmo Lungma region, 1966-1968.
Paleontologica Sinica, 3: 215-220, pl.1; Beijing.
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.
Zhou 1987 Early Permian ammonoid-fauna from southeastern Hunan. [In Chinese, with English abstract].
In: Nanjing Institute of Geology and Paleontology,Academia Sinica, ed.,Collection of Postgraduate Theses, 1: 285-348,33 fig., 9 pl. (Jiangsu Sci. and Technol.Publ.House), Nanjing
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.