Abrupt appearance of the Cambrian fauna on the North American continent
By: by Charles D. Walcott.
Series: Smithsonian miscellaneous collections -- v. 57, no. 1; Cambrian geology and paleontology -- v. 2, no. 1; Publication -- 1940; Publication (Smithsonian Institution) -- v. 2, no. 1.
Publisher: Smithsonian Institution
Published: 1910
Place of publication: City of Washington
Language: eng
Number of pages: 16
Subjects: Paleontology -- North America.; Paleontology -- Cambrian.
Notes: Includes bibliographical references (p. 15-16).