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Authors |
Year |
Title |
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Girty |
1911 |
The fauna of the Moorefield Shale of Arkansas.
Bulletin, U.S. Geological Survey, 439: 1-148, pl.1-15; Washington.
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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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|
|
Miller & Youngquist |
1948 |
The cephalopod fauna of the Mississippian Barnett Formation of Central Texas.
Journal of Paleontology, 22: 649-671, fig.1-3, pl.94-100; Tulsa, Okla.
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|
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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.
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