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| Description: (a) This photograph shows the original site in the Canadian Rockies discovered by Charles Walcott. (b) A fossil of an extinct arthropod, Marrella, that was collected at this site.
Picture Stats: Views: 912 Filesize: 51.56kB Height: 177 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=635 |