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Furnish & Manger |
1973 |
Type Kinderhook Ammonoids.
Proceedings of the Iowa Academy of Science, 80 (1): 15-24, fig.1-3, pl.1, Iowa City.
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Miller & Collinson |
1951 |
Lower Mississippian ammonoids of Missouri.
Journal of Paleontology, 25: 454-487, fig.1-14, pl.68-71; Tulsa, Oklahoma.
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Miller & Garner |
1955 |
Lower Mississippian cephalopods of Michigan. Part III. Ammonoids and summary.
Contributions, Museum of Paleontology. Univ. Michigan, 12: 113-173, fig.1-16, pl.1-7; Michigan.
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