Authors Year Title
Miller & Downs 1948 A cephalopod fauna from the type section of the Pennsylvanian "Winslow Formation" of Arkansas.
Journal of Paleontology, 22 (6): 672-680,fig.1-3, pl.101-103; Tulsa, Okla.
Miller, Downs & Youngquist 1949 Some Mississippian cephalopods from central and western United States.
Journal of Paleontology, 23: 600-612, fig.1-4, pl.97-99; Tulsa, Oklahoma.
Miller & Downs 1950a Ammonoids of the Pennsylvanian Finis Shale of Texas.
Journal of Paleontology, 24:185-218, 11 text-figs., pl.31-35.
Miller & Downs 1950b Additional ammonoids from the Mississippian Barnet Formation of Texas.
Journal of Paleontology, 24: 575-576, fig.1, pl.78; Tulsa, Okla.