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Authors |
Year |
Title |
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Gordon |
1965 |
Carboniferous Cephalopods of Arkansas.
Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
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Kyuma & Nishida |
1992 |
Welleritid Ammonoids from the Akiyoshi Limestone Group (Molluscan Paleontology of the Akiyoshi Limestone Group-IX).
Bulletin of the Akiyoshi-dai Museum of Natural History, 27: 1-21, 8 figs., 4 tabls., 8 pls., Shuho, Yamaguchi pref.
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Mapes & Furnish |
1981 |
The Pennsylvanian ammonoid family Welleritidae.
Journal of Paleontology, 55 (2): 317-330, fig.1-8, pl.1-2; Tulsa, Okla.
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McCaleb |
1963 |
The goniatite fauna from the Pennsylvanian Winslow Formation of Northwest Arkansas.
Journal of Paleontology, 37 (4): 867-888, fig.1-16, pl.110-115; Tulsa,Oklahoma.
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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.
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Miller & Furnish |
1958a |
Middle Pennsylvanian Schistoceratidae (Ammonoidea).
Journal of Paleontology, 32 (2): 253-268, fig.1-9, pl.33-34; Tulsa,Oklahoma.
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