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Nassichuk |
1969 |
A late Pennsylvanian ammonoid from Ellesmere Island, Canadian Arctic Archipelago.
Geological Survey of Canada, Bulletin 182: 123-127, fig.15, Ottawa.
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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.
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