	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.