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Miller & Moore |
1938 |
Cephalopods from the Carboniferous Morrow Group of Northern Arkansas and Oklahoma.
Journal of Paleontology, 12 (4): 341-374, fig.1-4, pl.43,44; Tulsa, Oklahoma.
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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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