Llandoverian Graptolites of the Northern Canadian Cordillera: Petalograptus, Cephalograptus, Rhaphidograptus, Dimorphogratus, Retiolitidae, and Monograptidae
Llandoverian Graptolites of the Northern Canadian Cordillera: Petalograptus, Cephalograptus, Rhaphidograptus, Dimorphogratus, Retiolitidae, and Monograptidae
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Seller's Description:
1982. Royal Ontario Museum. Softback. Book-VG. 10x6.5. 154pp. Many b/w photos & illus. Ex-libris. Graptolite-bearing strata encompassed, at least in part, within the Road River Formation, are widespread throughout the northern Canadian Cordillera. This study describes 101 species of graptolites from 13 major sections in a region extending from the southern Northwest Territories to northern Yukon.
