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.
Zhou 1979 Distribution of the Early Permian Pseudohalorites-fauna (Cephalopoda) in Hunan with notes on some new genera.
Acta Paleontologica Sinica, 18 (4): 383-394, fig.1-5, pl.1-2; 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, Glenister & Furnish 1989 Two-fold or three-fold - concerning geological time-scale of Permian period.
Acta Paleontologica Sinica, 28 (3): 269-282,fig.1-4, tab.1-4; Beijing.
Zhou, Glenister & Furnish 2002 Endemic Permian ammonoid genus Yinoceras, central Hunan, south China.
Journal of Paleontology, 76 (3): 424-430, 7 fig., Lawrence, KS.