Authors Year Title
Chao 1940 Upper Paleozoic cephalopods from central Hunan, China.
Journal of Paleontology, 14 (1): 68-73, pl.9-10; Tulsa, Oklahoma.
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.
Miller & Furnish 1957b Permian ammonoids from Southern Arabia.
Journal of Paleontology, 31 (6): 1043-1051, fig.1-6, pl.131-132; Tulsa,Oklahoma.
Xu & Wei 1977 Fossil Atlas of South-Central China, part 2, Cephalopoda. [In Chinese.]
Yichang Institute of Geology and Mineral Resources 1977:   p.537-582, pl.204-218, (Geological Publishing House).