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Miller |
1945c |
Late Paleozoic ammonoids from the Chinati Mountains of West Texas.
Journal of Paleontology, 19 (4): 341-346, fig.1-3, pl.50; Tulsa,Oklahoma.
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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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Spinosa, Furnish & Glenister |
1975 |
The Xenodiscidae, Permian ceratitoid ammonoids.
Journal of Paleontology, 49 (2): 239-283, fig.1-22, tab.1-5, pl.1-8.
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