Authors Year Title
Gordon 1960 Some American Midcontinent Carboniferous Cephalopods.
Journal of Paleontology 34: 133-151, pls.27,28, 3 text-figs.,Tulsa, OK.
Gordon 1965 Carboniferous Cephalopods of Arkansas.
Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
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
Saunders & Work 1999 The Cravenoceras-Glaphyrites dilemma: Ammonoid sutures vs. shell shape in the Mid-Carboniferous.
In: Rozanov,A.Yu. & Shevyrev,A.A. (eds.), Fossil cephalopods: Recent advances in their study, Ross.Akad.Nauk, Paleont.Inst.:125-137,8 figs.,1 pl.,Mosk