|
Authors |
Year |
Title |
|
Gordon |
1964 |
California Carboniferous Cephalopods.
Geological Survey Professional Paper 483-A: A1-A27, 12 figs., pl.1-4, Washington.
|
|
Kullmann |
1983 |
Maxima im Tempo der Evolution karbonischer Ammonoideen.
Paläontologische Zeitschrift, 57 (3/4): 231-240, fig.1-4, pl.1; Stuttgart.
|
|
Miller & Owen |
1939 |
An ammonoid fauna from the Lower Pennsylvanian Cherokee formation of Missouri.
Journal of Paleontology, 13: 141-162, fig.1-9, pl.17-20; Tulsa, Oklahoma.
|
|
Miller & Unklesbay |
1943 |
The siphuncle in Late Paleozoic amonoids.
Journal of Paleontology, 17 (1): 1-25, fig.1-9, pl.1-5; Tulsa,Oklahoma.
|
|
Nassichuk |
1975 |
Carboniferous ammonoids and stratigraphy in the Canadian Arctic Archipelago.
Bulletin of the Geological Survey of Canada, 237: 1-240, fig.1-57, tab.1-33, pl.1-18; Ottawa.
|
|
Unklesbay |
1962 |
Pennsylvanian Cephalopods of Oklahoma.
Bulletin of the Oklahoma Geological Survey, 96: 1-150, fig.1-16, tab.1-2, pl.1-19; Norman.
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