Graptolites with Multiple Genicular Spines from the Upper...

Graptolites with Multiple Genicular Spines from the Upper Ordovician of Western North America

Riva, John
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Volume:
11
Language:
english
Journal:
Canadian Journal of Earth Sciences
DOI:
10.1139/e74-139
Date:
October, 1974
File:
PDF, 566 KB
english, 1974
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