Authors Year Title
Frest, Glenister & Furnish 1981 Pennsylvanian--Permian Cheiloceratacean Ammonoid Families Maximitidae and Pseudohaloritidae.
Journal of Paleontology, 55, Suppl. 3: 1-46, fig.1-19, pl.1-7; Tulsa, Okla.
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.
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