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By: Edgecombe, Gregory D. - Chatterton, B. D. E. (Brian D. E.)Edition:Publication info: New York, N.Y, American Museum of Natural History, c1990Volume: no. 2968Series:Holding Institution: American Museum of Natural History LibrarySubjects: Arthropoda, Fossil Mackenzie Mountains (N.W.T. and Yukon) Mackenziurus Paleontology Silurian TrilobitesBHL Collections: