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Miller & Owen |
1937 |
A new Pennsylvanian cephalopod fauna from Oklahoma.
Journal of Paleontology, 11 (5): 403-422, fig.1-5, pl.50-52; Tulsa, Oklahoma.
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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.
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