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Second contribution to the studies on the Cambrian faunas of North America by Charles Doolittle Walcott.
By: Walcott, Charles D. (Charles Doolittle), - United States. Geological Survey.
Publication info: Washington :G.P.O.,1886.
Holding Institution: Canadiana.org (archive.org)
Subjects: Arthropoda, Fossil Cambrian Cambrien Canada Paleontology United States