1909-Charles Doolittle Walcott discovers the fossils of a number of soft-bodied animals in the Burgess Shale in the Canadian Rockies.
(1909-Charles Doolittle Walcott; discovers; the fossils of a number of soft-bodied animals in the Burgess Shale in the Canadian Rockies)
1909-Charles Doolittle Walcott
discovers
the fossils of a number of soft-bodied animals in the Burgess Shale in the Canadian Rockies