Authors Year Title
Gordon 1965 Carboniferous Cephalopods of Arkansas.
Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
Honderich 1962 A goniatite cephalopod fauna from the Brentwood Member of the Bloyd Formation.
Research Reports, National Science Foundation Undergraduate Research Participation Program, University of Arkansas,p.65-73,1 pl.,1 tabl.,Fayetteville.
Kant 1975 Biometrische Untersuchungen an Ammonoideen-Gehäusen.
Paläontologische Zeitschrift: 203-220, 19 fig., Stuttgart.
Kant 1977 Die Integrationskonstante im allometrischen Wachstum, eine konstruktionsmorphologische Analyse unter besonderer Berücksichtigung des Ammonoideen-Gehäuses.
Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 154 (3): 263-289, 13 fig., 2 tab., Stuttgart.
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.
Mapes & Davis 1996 Color Patterns in Ammonoids.
In: Ammonoid Paleobiology, N.H.Landman, K.Tanabe & R.A.Davis [eds.], 104-127, 4 figs., 3 tabls., New York (Plenum).
McCaleb 1968 Lower Pennsylvanian Ammonoids from the Bloyd Formation of Arkansas and Oklahoma.
Special Paper of the geological Society of America, 96: 1-123, fig.1-27, pl.1-12; Boulder,Colorado.
Miller & Moore 1938 Cephalopods from the Carboniferous Morrow Group of Northern Arkansas and Oklahoma.
Journal of Paleontology, 12 (4): 341-374, fig.1-4, pl.43,44; Tulsa, Oklahoma.
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, 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.
Smith 1903 The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.
Unklesbay 1962 Pennsylvanian Cephalopods of Oklahoma.
Bulletin of the Oklahoma Geological Survey, 96: 1-150, fig.1-16, tab.1-2, pl.1-19; Norman.