Llandoverian graptolites of the northern Canadian Cordillera : Petalograptus, Cephalograptus, Rhaphidograptus, Dimorphograptus, Retiolitidae, and Monograptidae
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Format: | Book |
Language: | English |
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Toronto, Royal Ontario Museum, 1982
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Online Access: | https://www.biodiversitylibrary.org/item/122473 https://doi.org/10.5962/bhl.title.60100 |
Description not available. |