	Authors	Year	Title
	Bond & Saunders	1989	Sublethal injury and shell repair in Upper Mississippian ammonoids. Paleobiology, 15 (4): 414-428, fig.1-6, tab.1-4; Davis, Cal.
	Elias	1956	Upper Mississippian and Lower Pennsylvanian Formations of south-central Oklahoma. In: Petroleum geology of southern Oklahoma. Volume 1. American Association of Petroleum Geologists, 1956: 56-134, 2 fig., 4 tab., 6 pl.; Tulsa, Okla.
	Gordon	1965	Carboniferous Cephalopods of Arkansas. Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
	Manger, Stephen & Meeks	1999	Possible Cephalopod Reproductive Mass Mortality Reflected by Middle Carboniferous Assemblages, Arkansas, Southern United States. In: Olóriz,F. & Rodríguez-Tovar,F.J.[eds.], Advancing Research on Living and Fossil Cephalopods,345-364, 8 figs., New York.
	Meeks & Manger	1999	Rediagnosis of the middle Carboniferous (Chesterian, Mississippian) ammonoid Fayettevillea planorbis GORDON, 1960 based on mature specimens from its type area. In: Rozanov,A.Yu. & Shevyrev,A.A. (eds.), Fossil cephalopods: Recent advances in their study,Ross.Akad.Nauk,Paleont.Inst.:139-154,4 figs.,2 pl., 2 tab
	Miller & Owen	1944	The cephalopod fauna of the Pennsylvanian Union Valley Formation of Oklahoma. Journal of Paleontology, 18 (5): 417-428,fig.1-4, pl.63-68; Tulsa, Okla.
	Saunders	1973	Upper Mississippian Ammonoids from Arkansas and Oklahoma. Special Papers of the Geological Society of America, 145: 1-110, fig.1-32, tab.1-8, pl.1-8; Boulder Colorado.
	Saunders, Manger & Gordon	1977	Upper Mississippian and lower and middle Pennsylvanian ammonoid biostratigraphy of Northern Arkansas. Oklahoma Geolological Survey Guidebook 18: 117-137, fig.1-2, tab.1-2, pl.1-6.
	Titus, Webster & Manger	1997	Biostratigraphic analysis of the Mid-Carboniferous boundary at the South Syncline Ridge section, Nevada Test Side, Nevada, United States. Proceedings of the 13th International Congress on the Carboniferous and Permian, Prace Panstwowego Institutu geologicznego,157:207-212,1 pl., 3 figs.
	Titus	2000	Late Mississippian (Arnsbergian Stage-E2 chronozone) ammonoid paleontology and biostratigraphy of the Antler foreland basin, California, Nevada, Utah. Bulletin 131 Utah Geological Survey, 1-108, 51 text-figs., 17 tabls., 16 pls., Salt Lake City.
	Titus & Manger	2001	Mid-Carboniferous ammonoid biostratigraphy, Southern Nye County, Nevada: Implications of the first North American Homoceras. Journal of Paleontology, 75 (4, Supplement, Memoir 55): 1-31, 24 figs., Lawrence, KS.