Cambrian Geology and paleontology II; Abrupt appearance of the Cambrian fauna on the North American continent
Walcott, C.D., 1910, Cambrian Geology and paleontology II; Abrupt appearance of the Cambrian fauna on the North American continent: Smithsonian Miscellaneous Collections, v. 57, p. 1-16.
Authors
Walcott, C.D.
Publication Date
1910
Citation
Smithsonian Miscellaneous Collections, v. 57, p. 1-16.
