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Authors |
Year |
Title |
|
Bisat |
1940 |
An early Gastrioceras (G. braneroides sp. nov.) from North Wales.
Transactions of the Leeds Geologists Association, 5: 330-335, fig.1-3; Kendal.
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|
|
McCaleb |
1968 |
Lower Pennsylvanian Ammonoids from the Bloyd Formation of Arkansas and Oklahoma.
Special Paper of the geological Society of America, 96: 1-123, fig.1-27, pl.1-12; Boulder,Colorado.
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|
|
Miller & Moore |
1938 |
Cephalopods from the Carboniferous Morrow Group of Northern Arkansas and Oklahoma.
Journal of Paleontology, 12 (4): 341-374, fig.1-4, pl.43,44; Tulsa, Oklahoma.
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|
|
Smith |
1903 |
The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.
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