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Elias |
1956 |
Upper Mississippian and Lower Pennsylvanian Formations of south-central Oklahoma. In: Petroleum geology of southern Oklahoma. Volume 1.
American Association of Petroleum Geologists, 1956: 56-134, 2 fig., 4 tab., 6 pl.; 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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Saunders |
1971 |
The Somoholitidae: Mississippian to Permian ammonoids.
Journal of Paleontology, 45 (1): 100-118, fig.1-6, pl.23-24; Tulsa, Okla.
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