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Nassichuk, Furnish & Glenister |
1965 |
The Permian ammonoids from Arctic Canada.
Bulletin of the Geological Survey of Canada, 131: 1-56, fig.1-17, tab.1-7, pl.1-5; Ottawa.
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Nassichuk |
1977 |
Upper Permian ammonoids from the Cache Creek Group in Western Canada.
Journal of Paleontology, 51 (3): 557-590, fig.1-20, tab.1-7, pl.1-3; Tulsa, Okla.
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