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Authors |
Year |
Title |
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Clardy |
1962 |
Goniatite cephalopod faunas from the Hale Formation.
Compass 39 (3): 103-109, 1fig., 1tab., pl.1-2;
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Manger & Saunders |
1980 |
Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent.
Journal of Paleontology, 54, Suppl.(3): 1-56, fig.1-21, pl.1-6, tab.1-10; Tulsa, Okla.
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McCaleb, Quinn & Furnish |
1964 |
The ammonoid family Girtyoceratidae in the Southern Midcontinent.
Circular Oklahoma geological Survey, 67: 1-41, 8 figs., pl.1-4; Norman, Okla.
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Plummer & Scott |
1937 |
Upper Paleozoic ammonites in Texas.
The geology of Texas, vol.3 pt.1, Bull. Texas. Univ., 3701: 1-516, fig.1-88, pl.1-41; Austin, Texas.
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Quinn, McCaleb & Webb |
1962 |
A Pennsylvanian Eumorphoceras from Arkansas.
Journal of Paleontology, 36: 112-114, pl.21; Tulsa, Okla.
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Quinn & Saunders |
1968 |
The ammonoids Hudsonoceras and Baschkirites in the Morrowan series of Arkansas.
Journal of Paleontology, 42; 397-402, fig.1-3, pl.57; Tulsa, Okla.
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Ruzhencev & Bogoslovskaya |
1978 |
Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 167: 1-336, fig.1-108, pl.1-44; Moskva.
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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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