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Miller & Owen |
1939 |
An ammonoid fauna from the Lower Pennsylvanian Cherokee formation of Missouri.
Journal of Paleontology, 13: 141-162, fig.1-9, pl.17-20; Tulsa, Oklahoma.
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Miller & Unklesbay |
1943 |
The siphuncle in Late Paleozoic amonoids.
Journal of Paleontology, 17 (1): 1-25, fig.1-9, pl.1-5; Tulsa,Oklahoma.
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